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In the leaf epidermis of Arabidopsis thaliana, where do flavonols predominantly accumulate? | CELL BIOLOGY AND CELL SIGNALING | [
"Arabidopsis thaliana"
] | [
"Equally distributed between guard cells and pavement cells.",
"Primarily in pavement cells, with negligible amounts in guard cells.",
"Primarily in guard cells, with negligible amounts in pavement cells."
] | 10.1104/pp.113.233528 | Model Organisms | CELL BIOLOGY AND CELL SIGNALING | 10.1104/pp.113.233528 | 2,014 | 187 | 2 | Plant phys | false |
What role do flavonols play in Arabidopsis thaliana guard cells regarding Reactive Oxygen Species (ROS) levels? | PHYSIOLOGY AND METABOLISM | [
"Arabidopsis thaliana"
] | [
"Flavonols have no interaction with ROS.",
"Flavonols promote the production of ROS.",
"Flavonols act as antioxidants, suppressing ROS accumulation."
] | 10.1104/pp.113.233528 | Model Organisms | PHYSIOLOGY AND METABOLISM | 10.1104/pp.113.233528 | 2,014 | 187 | 2 | Plant phys | false |
How does the absence of flavonols, as seen in the Arabidopsis thaliana tt4 mutant, affect ABA-induced stomatal closure? | HORMONES | [
"Arabidopsis thaliana"
] | [
"It leads to a slower ABA-induced stomatal closure compared to the wild type.",
"It completely prevents ABA-induced stomatal closure.",
"It leads to a more rapid ABA-induced stomatal closure compared to the wild type."
] | 10.1104/pp.113.233528 | Model Organisms | HORMONES | 10.1104/pp.113.233528 | 2,014 | 187 | 2 | Plant phys | false |
Which signaling pathway is required for ethylene to induce flavonol accumulation in Arabidopsis thaliana guard cells? | HORMONES | [
"Arabidopsis thaliana"
] | [
"The EIN2-dependent ethylene signaling pathway.",
"The cytokinin signaling pathway.",
"The ABA signaling pathway."
] | 10.1104/pp.113.233528 | Model Organisms | HORMONES | 10.1104/pp.113.233528 | 2,014 | 187 | 0 | Plant phys | false |
What is the overall effect of ethylene-induced flavonol accumulation on ROS levels and ABA-mediated stomatal closure rate in Arabidopsis thaliana guard cells? | CELL BIOLOGY AND CELL SIGNALING | [
"Arabidopsis thaliana"
] | [
"No significant change in ROS levels or the rate of ABA-mediated stomatal closure.",
"Decreased ROS levels and a slower rate of ABA-mediated stomatal closure.",
"Increased ROS levels and a faster rate of ABA-mediated stomatal closure."
] | 10.1104/pp.113.233528 | Model Organisms | CELL BIOLOGY AND CELL SIGNALING | 10.1104/pp.113.233528 | 2,014 | 187 | 1 | Plant phys | false |
What is the function of the WRKY42 transcription factor in Oryza sativa resistance to Magnaporthe oryzae? | GENE REGULATION | [
"Oryza sativa"
] | [
"It acts as a transcriptional repressor and negatively regulates resistance.",
"It has no significant role in resistance to Magnaporthe oryzae.",
"It acts as a transcriptional activator and positively regulates resistance."
] | 10.1104/pp.114.256016 | Model Organisms | GENE REGULATION | 10.1104/pp.114.256016 | 2,015 | 130 | 0 | Plant phys | false |
How does the WRKY45-2 protein function transcriptionally in Oryza sativa? | GENE REGULATION | [
"Oryza sativa"
] | [
"It functions as a transcriptional activator.",
"It functions as a transcriptional repressor.",
"It functions as both an activator and a repressor depending on the target gene."
] | 10.1104/pp.114.256016 | Model Organisms | GENE REGULATION | 10.1104/pp.114.256016 | 2,015 | 130 | 0 | Plant phys | false |
Which sequence describes the transcriptional regulatory cascade involving WRKY45-2, WRKY13, and WRKY42 in Oryza sativa defense against Magnaporthe oryzae? | GENE REGULATION | [
"Oryza sativa"
] | [
"WRKY13 activates WRKY45-2, which represses WRKY42.",
"WRKY42 activates WRKY13, which represses WRKY45-2.",
"WRKY45-2 activates WRKY13, which represses WRKY42."
] | 10.1104/pp.114.256016 | Model Organisms | GENE REGULATION | 10.1104/pp.114.256016 | 2,015 | 130 | 2 | Plant phys | false |
The negative regulatory role of WRKY42 in Oryza sativa resistance to Magnaporthe oryzae is primarily associated with the suppression of which signaling pathway? | CELL BIOLOGY AND CELL SIGNALING | [
"Oryza sativa"
] | [
"Ethylene (ET) signaling pathway.",
"Jasmonic acid (JA) signaling pathway.",
"Salicylic acid (SA) signaling pathway."
] | 10.1104/pp.114.256016 | Model Organisms | CELL BIOLOGY AND CELL SIGNALING | 10.1104/pp.114.256016 | 2,015 | 130 | 1 | Plant phys | false |
Which rice WRKY transcription factor acts as a repressor and directly suppresses the expression of both WRKY42 and WRKY45-2? | GENE REGULATION | [
"Oryza sativa"
] | [
"WRKY13",
"WRKY42",
"WRKY45-2"
] | 10.1104/pp.114.256016 | Model Organisms | GENE REGULATION | 10.1104/pp.114.256016 | 2,015 | 130 | 0 | Plant phys | false |
What is the primary consequence of losing AtPAT14 function in Arabidopsis thaliana? | GROWTH AND DEVELOPMENT | [
"Arabidopsis thaliana"
] | [
"Delayed leaf senescence and increased plant height.",
"Enhanced resistance to all pathogen types.",
"Accelerated leaf senescence and smaller plant stature."
] | 10.1104/pp.15.00448 | Model Organisms | GROWTH AND DEVELOPMENT | 10.1104/pp.15.00448 | 2,015 | 30 | 2 | Plant phys | false |
Which signaling pathway is primarily implicated in the early senescence observed in Arabidopsis thaliana *atpat14* mutants? | HORMONES | [
"Arabidopsis thaliana"
] | [
"Abscisic acid (ABA) signaling pathway.",
"Salicylic acid (SA) signaling pathway.",
"Jasmonic acid (JA) signaling pathway."
] | 10.1104/pp.15.00448 | Model Organisms | HORMONES | 10.1104/pp.15.00448 | 2,015 | 30 | 1 | Plant phys | false |
What type of enzyme is AtPAT14 and what is its role concerning leaf senescence in Arabidopsis thaliana? | GENE REGULATION | [
"Arabidopsis thaliana"
] | [
"It is a kinase that positively regulates leaf senescence.",
"It is a Protein S-Acyl Transferase (PAT) that negatively regulates leaf senescence.",
"It is a phosphatase involved in delaying flowering time."
] | 10.1104/pp.15.00448 | Model Organisms | GENE REGULATION | 10.1104/pp.15.00448 | 2,015 | 30 | 1 | Plant phys | false |
Where is the AtPAT14 protein predominantly located within Arabidopsis thaliana cells? | CELL BIOLOGY AND CELL SIGNALING | [
"Arabidopsis thaliana"
] | [
"Nucleus.",
"Golgi apparatus.",
"Plasma membrane."
] | 10.1104/pp.15.00448 | Model Organisms | CELL BIOLOGY AND CELL SIGNALING | 10.1104/pp.15.00448 | 2,015 | 30 | 1 | Plant phys | false |
How does the early senescence phenotype in Arabidopsis thaliana *atpat14* mutants relate to autophagy? | CELL BIOLOGY AND CELL SIGNALING | [
"Arabidopsis thaliana"
] | [
"The early senescence is caused by hyperactive autophagy.",
"The early senescence is directly caused by a blockage in autophagy.",
"The early senescence is independent of defects in the autophagy process."
] | 10.1104/pp.15.00448 | Model Organisms | CELL BIOLOGY AND CELL SIGNALING | 10.1104/pp.15.00448 | 2,015 | 30 | 2 | Plant phys | false |
What is the effect of the auxin influx inhibitors 1-NOA and 2-NOA on nodulation in Medicago truncatula? | HORMONES | [
"Medicago truncatula"
] | [
"They have no effect on nodulation.",
"They reduce nodulation.",
"They increase nodulation."
] | 10.1104/pp.16.01473 | Model Organisms | HORMONES | 10.1104/pp.16.01473 | 2,017 | 57 | 1 | Plant phys | false |
Which auxin influx transporter gene in Medicago truncatula is induced during early nodule development and functions similarly to Arabidopsis AUX1? | GENE REGULATION | [
"Medicago truncatula"
] | [
"AtAUX1",
"MtLAX2",
"MtLAX1"
] | 10.1104/pp.16.01473 | Model Organisms | GENE REGULATION | 10.1104/pp.16.01473 | 2,017 | 57 | 1 | Plant phys | false |
What phenotypes are observed in Medicago truncatula mtlax2 mutants compared to wild-type plants? | GROWTH AND DEVELOPMENT | [
"Medicago truncatula"
] | [
"Reduced auxin response, fewer lateral roots, and fewer nodules.",
"Increased auxin response, more lateral roots, and more nodules.",
"Normal auxin response, but increased root hair length and faster gravitropism."
] | 10.1104/pp.16.01473 | Model Organisms | GROWTH AND DEVELOPMENT | 10.1104/pp.16.01473 | 2,017 | 57 | 0 | Plant phys | false |
What is the role of MtLAX2-mediated auxin accumulation in Medicago truncatula nodule development? | HORMONES | [
"Medicago truncatula"
] | [
"It is important for nodule formation.",
"It inhibits nodule formation.",
"It is only required for lateral root development, not nodulation."
] | 10.1104/pp.16.01473 | Model Organisms | HORMONES | 10.1104/pp.16.01473 | 2,017 | 57 | 0 | Plant phys | false |
How does the mutation of MtLAX2 in Medicago truncatula affect the expression of the early auxin responsive gene ARF16a after rhizobial inoculation? | GENE REGULATION | [
"Medicago truncatula"
] | [
"ARF16a expression is decreased.",
"ARF16a expression remains unchanged.",
"ARF16a expression is increased."
] | 10.1104/pp.16.01473 | Model Organisms | GENE REGULATION | 10.1104/pp.16.01473 | 2,017 | 57 | 0 | Plant phys | false |
What is the proposed evolutionary origin of the FT-like and TFL1-like clades within the plant PEBP gene family? | EVOLUTION | [
"non-specific"
] | [
"They are thought to have arisen from an ancestral MFT-like clade through gene duplication events.",
"The MFT-like clade is believed to have originated from the TFL1-like clade.",
"They evolved independently from different ancestral genes outside the PEBP family."
] | 10.1104/pp.18.00725 | Non-specific | EVOLUTION | 10.1104/pp.18.00725 | 2,018 | 34 | 0 | Plant phys | false |
What is the function of the NsCET1 gene, identified in Nicotiana sylvestris, in relation to flowering? | GENE REGULATION | [
"Nicotiana sylvestris"
] | [
"It acts cell-autonomously within the shoot apex to directly activate floral meristem identity genes.",
"It functions as a mobile florigen, promoting flowering in response to photoperiod.",
"It acts as a mobile, non-cell-autonomous inhibitor of flowering, similar to Arabidopsis ATC."
] | 10.1104/pp.18.00725 | Solanaceae & Relatives | GENE REGULATION | 10.1104/pp.18.00725 | 2,018 | 34 | 2 | Plant phys | false |
What characteristic regarding mobility was demonstrated for the NsCET1 transcript in grafting experiments involving tobacco and Arabidopsis? | CELL BIOLOGY AND CELL SIGNALING | [
"non-specific"
] | [
"NsCET1 mRNA was shown to be mobile, capable of moving long distances between grafted plants, including across species.",
"NsCET1 mRNA movement was restricted to within the source plant and could not cross the graft union.",
"Only the NsCET1 protein, but not its mRNA, was found to be mobile across graft junctions."
] | 10.1104/pp.18.00725 | Non-specific | CELL BIOLOGY AND CELL SIGNALING | 10.1104/pp.18.00725 | 2,018 | 34 | 0 | Plant phys | false |
What did heterografting experiments between tobacco and tomato reveal about the mobility of mRNAs from different PEBP gene family clades? | CELL BIOLOGY AND CELL SIGNALING | [
"non-specific"
] | [
"mRNA mobility was limited to TFL1-like (antiflorigen) genes, but not observed for FT-like or MFT-like genes.",
"Only mRNAs from the FT-like (florigen) clade were mobile, while TFL1-like and MFT-like mRNAs were not.",
"mRNAs from multiple members of the FT-like, TFL1-like, and MFT-like clades were found to be mobile between the two species."
] | 10.1104/pp.18.00725 | Non-specific | CELL BIOLOGY AND CELL SIGNALING | 10.1104/pp.18.00725 | 2,018 | 34 | 2 | Plant phys | false |
How does the function of some FT-like genes (NtFT1, NtFT2, NtFT3) in Nicotiana tabacum differ from the typical function of FT in Arabidopsis? | GENE REGULATION | [
"Nicotiana tabacum; Arabidopsis thaliana"
] | [
"In tobacco, these specific FT-like genes act as floral inhibitors, whereas Arabidopsis FT typically promotes flowering.",
"These tobacco FT-like genes have no role in flowering time regulation, unlike Arabidopsis FT.",
"In tobacco, these FT-like genes promote flowering more strongly than Arabidopsis FT."
] | 10.1104/pp.18.00725 | Other Herbaceous Crops, Spices, Fibers & Weeds | GENE REGULATION | 10.1104/pp.18.00725 | 2,018 | 34 | 0 | Plant phys | false |
What is the primary site of temperature perception required for hypocotyl elongation in Arabidopsis thaliana seedlings? | GROWTH AND DEVELOPMENT | [
"Arabidopsis thaliana"
] | [
"Roots",
"Cotyledons",
"Hypocotyl"
] | 10.1104/pp.18.01377 | Model Organisms | GROWTH AND DEVELOPMENT | 10.1104/pp.18.01377 | 2,019 | 107 | 1 | Plant phys | false |
Which hormone pathway is locally activated in the Arabidopsis hypocotyl by the mobile auxin signal originating from warm-sensing cotyledons? | HORMONES | [
"Arabidopsis thaliana"
] | [
"Brassinosteroid signaling",
"Gibberellin signaling",
"Ethylene signaling"
] | 10.1104/pp.18.01377 | Model Organisms | HORMONES | 10.1104/pp.18.01377 | 2,019 | 107 | 0 | Plant phys | false |
Besides temperature sensing in the cotyledons, what additional component is required within the Arabidopsis hypocotyl for temperature-induced elongation? | PHYSIOLOGY AND METABOLISM | [
"Arabidopsis thaliana"
] | [
"Direct light perception via phototropins",
"Autonomous auxin synthesis independent of cotyledons",
"A permissive temperature sensor that gates the auxin response"
] | 10.1104/pp.18.01377 | Model Organisms | PHYSIOLOGY AND METABOLISM | 10.1104/pp.18.01377 | 2,019 | 107 | 2 | Plant phys | false |
How does the temperature response mechanism of Arabidopsis roots differ fundamentally from that of hypocotyls? | GROWTH AND DEVELOPMENT | [
"Arabidopsis thaliana"
] | [
"Roots are completely insensitive to ambient temperature fluctuations.",
"Roots rely entirely on auxin transported downwards from the shoot apex.",
"Roots can sense and respond to temperature changes autonomously, without shoot-derived signals."
] | 10.1104/pp.18.01377 | Model Organisms | GROWTH AND DEVELOPMENT | 10.1104/pp.18.01377 | 2,019 | 107 | 2 | Plant phys | false |
What is a primary transcriptional function of the PIF4 factor in the cotyledons of Arabidopsis during the thermomorphogenesis response? | GENE REGULATION | [
"Arabidopsis thaliana"
] | [
"Repressing the transcription of photoreceptor genes like phytochrome B.",
"Directly activating genes involved in cell wall modification.",
"Inducing the expression of auxin biosynthesis genes like YUC8."
] | 10.1104/pp.18.01377 | Model Organisms | GENE REGULATION | 10.1104/pp.18.01377 | 2,019 | 107 | 2 | Plant phys | false |
How do AGAMOUS-LIKE67 (AGL67) and EARLY BOLTING IN SHORT DAY (EBS) regulate SOMNUS (SOM) expression in Arabidopsis thaliana under high temperature? | GENE REGULATION | [
"Arabidopsis thaliana"
] | [
"They cooperate to epigenetically activate SOM expression by reading H3K4me3 and mediating H4K5 acetylation.",
"AGL67 represses EBS, which in turn activates SOM expression via H3K27me3.",
"They independently repress SOM expression through DNA methylation."
] | 10.1104/pp.20.00056 | Model Organisms | GENE REGULATION | 10.1104/pp.20.00056 | 2,020 | 29 | 0 | Plant phys | false |
What is the role of the SOMNUS (SOM) protein in regulating its own gene expression in Arabidopsis thaliana? | GENE REGULATION | [
"Arabidopsis thaliana"
] | [
"SOM binds to its own promoter and represses its transcription.",
"SOM is degraded upon binding to its own promoter, leading to reduced expression.",
"SOM binds to its own promoter and activates its transcription."
] | 10.1104/pp.20.00056 | Model Organisms | GENE REGULATION | 10.1104/pp.20.00056 | 2,020 | 29 | 2 | Plant phys | false |
Which specific cis-regulatory elements in the SOMNUS (SOM) promoter does AGAMOUS-LIKE67 (AGL67) bind to in Arabidopsis thaliana? | GENE REGULATION | [
"Arabidopsis thaliana"
] | [
"RY motifs in the distal region of the promoter.",
"G-box elements scattered throughout the promoter.",
"The cis-j and cis-k CArG-box motifs within the proximal P3 region."
] | 10.1104/pp.20.00056 | Model Organisms | GENE REGULATION | 10.1104/pp.20.00056 | 2,020 | 29 | 2 | Plant phys | false |
What is the epigenetic function of EARLY BOLTING IN SHORT DAY (EBS) at the SOMNUS (SOM) locus in Arabidopsis thaliana during thermoinhibition? | GENE REGULATION | [
"Arabidopsis thaliana"
] | [
"EBS removes H3K4me3 marks, leading to SOM repression.",
"EBS reads H3K4me3 marks and facilitates H4K5 acetylation, activating SOM expression.",
"EBS deposits H3K27me3 marks, silencing the SOM locus."
] | 10.1104/pp.20.00056 | Model Organisms | GENE REGULATION | 10.1104/pp.20.00056 | 2,020 | 29 | 1 | Plant phys | false |
What is the genetic relationship between AGAMOUS-LIKE67 (AGL67) and SOMNUS (SOM) in controlling seed germination thermotolerance in Arabidopsis thaliana? | GENE REGULATION | [
"Arabidopsis thaliana"
] | [
"SOM acts downstream of AGL67; AGL67 targets SOM to control thermotolerance.",
"AGL67 and SOM function in parallel, independent pathways.",
"AGL67 acts downstream of SOM; SOM targets AGL67 to control thermotolerance."
] | 10.1104/pp.20.00056 | Model Organisms | GENE REGULATION | 10.1104/pp.20.00056 | 2,020 | 29 | 0 | Plant phys | false |
At which growth stage is the secretion of α-tomatine by tomato (Solanum lycopersicum) roots generally highest in hydroponic culture? | PHYSIOLOGY AND METABOLISM | [
"Solanum lycopersicum"
] | [
"Green-fruit stage",
"Flowering stage",
"Early vegetative growth stage"
] | 10.1093/plphys/kiab069 | Solanaceae & Relatives | PHYSIOLOGY AND METABOLISM | 10.1093/plphys/kiab069 | 2,021 | 57 | 2 | Plant phys | false |
How do α-tomatine and its aglycone tomatidine affect soil bacterial communities? | ENVIRONMENT | [
"Solanum lycopersicum"
] | [
"They primarily enhance fungal growth while suppressing bacteria",
"They modulate the communities in a concentration-dependent manner",
"They specifically inhibit all Gram-negative bacteria regardless of concentration"
] | 10.1093/plphys/kiab069 | Solanaceae & Relatives | ENVIRONMENT | 10.1093/plphys/kiab069 | 2,021 | 57 | 1 | Plant phys | false |
Which bacterial family is consistently observed to be enriched in the rhizosphere of tomato (Solanum lycopersicum) and also increases in abundance when soil is treated with tomatine or tomatidine? | ENVIRONMENT | [
"Solanum lycopersicum"
] | [
"Enterobacteriaceae",
"Rhizobiaceae",
"Sphingomonadaceae"
] | 10.1093/plphys/kiab069 | Solanaceae & Relatives | ENVIRONMENT | 10.1093/plphys/kiab069 | 2,021 | 57 | 2 | Plant phys | false |
What is a key characteristic of the jre4-1 mutant of tomato (Solanum lycopersicum) concerning its interaction with rhizosphere bacteria? | GENE REGULATION | [
"Solanum lycopersicum"
] | [
"Complete sterility of the rhizosphere due to altered root exudates",
"Reduced abundance of Sphingomonadaceae associated with low tomatine production",
"Increased secretion of tomatine leading to higher overall bacterial diversity"
] | 10.1093/plphys/kiab069 | Solanaceae & Relatives | GENE REGULATION | 10.1093/plphys/kiab069 | 2,021 | 57 | 1 | Plant phys | false |
What metabolic transformation can α-tomatine undergo in the soil environment due to microbial activity? | PHYSIOLOGY AND METABOLISM | [
"Solanum lycopersicum"
] | [
"Polymerization into complex carbohydrate structures",
"Conversion into volatile organic compounds",
"Degradation to its aglycone, tomatidine"
] | 10.1093/plphys/kiab069 | Solanaceae & Relatives | PHYSIOLOGY AND METABOLISM | 10.1093/plphys/kiab069 | 2,021 | 57 | 2 | Plant phys | false |
What type of genetic alteration underlies the short fiber phenotype in the Ligon lintless-2 (Li₂) mutant of Gossypium hirsutum L.? | GENOME AND GENOMICS | [
"Gossypium hirsutum L."
] | [
"Loss of the entire D13 chromosome.",
"A single point mutation within a key fiber elongation gene.",
"A large structural rearrangement on chromosome D13 involving a deletion and a tandem inverted duplication."
] | 10.1093/plphys/kiac384 | Other Herbaceous Crops, Spices, Fibers & Weeds | GENOME AND GENOMICS | 10.1093/plphys/kiac384 | 2,022 | 7 | 2 | Plant phys | false |
Which molecular mechanism is triggered by the structural rearrangement at the Ligon lintless-2 (Li₂) locus in Gossypium hirsutum L., leading to reduced fiber length? | GENE REGULATION | [
"Gossypium hirsutum L."
] | [
"Disruption of a microRNA gene essential for fiber development.",
"Formation of a hairpin RNA structure from the Gh_D13G2437 gene, resulting in siRNA production and gene silencing.",
"Overexpression of a fiber growth inhibitor due to promoter capture."
] | 10.1093/plphys/kiac384 | Other Herbaceous Crops, Spices, Fibers & Weeds | GENE REGULATION | 10.1093/plphys/kiac384 | 2,022 | 7 | 1 | Plant phys | false |
The gene Gh_D13G2437, affected by the Ligon lintless-2 (Li₂) mutation in Gossypium hirsutum L., encodes a protein belonging to which family? | CELL BIOLOGY AND CELL SIGNALING | [
"Gossypium hirsutum L."
] | [
"MYB Transcription Factor",
"Cellulose Synthase (CesA)",
"Ran-Binding Protein 1 (RanBP1)"
] | 10.1093/plphys/kiac384 | Other Herbaceous Crops, Spices, Fibers & Weeds | CELL BIOLOGY AND CELL SIGNALING | 10.1093/plphys/kiac384 | 2,022 | 7 | 2 | Plant phys | false |
What molecules, produced as a consequence of the structural rearrangement in the Ligon lintless-2 (Li₂) cotton mutant, directly inhibit the expression of RanBP1 family genes during fiber elongation? | GENE REGULATION | [
"Gossypium hirsutum L."
] | [
"Transfer RNAs (tRNAs)",
"Small interfering RNAs (siRNAs)",
"Long non-coding RNAs (lncRNAs)"
] | 10.1093/plphys/kiac384 | Other Herbaceous Crops, Spices, Fibers & Weeds | GENE REGULATION | 10.1093/plphys/kiac384 | 2,022 | 7 | 1 | Plant phys | false |
What phenotypic effect was observed when the Gh_D13G2437 gene was overexpressed in the Ligon lintless-2 (Li₂) cotton mutant? | BIOTECHNOLOGY | [
"Gossypium hirsutum L."
] | [
"Exacerbation of the short lint fiber phenotype.",
"Partial recovery of the long lint fiber phenotype.",
"Complete restoration of the wild-type long lint fiber phenotype."
] | 10.1093/plphys/kiac384 | Other Herbaceous Crops, Spices, Fibers & Weeds | BIOTECHNOLOGY | 10.1093/plphys/kiac384 | 2,022 | 7 | 1 | Plant phys | false |
What role do the splicing factors SCL33 and its paralog SCL33L play in regulating alternative splicing during the development of *Brachypodium distachyon*? | GENE REGULATION | [
"Brachypodium distachyon"
] | [
"They play redundant and sometimes antagonistic roles in regulating intron assembly across distinct developmental stages.",
"SCL33 is the primary regulator, while SCL33L enhances its activity synergistically.",
"They exclusively control the splicing of non-coding RNAs, having no impact on protein-coding gene development."
] | 10.1093/plphys/kiad223 | Model Organisms | GENE REGULATION | 10.1093/plphys/kiad223 | 2,023 | 3 | 0 | Plant phys | false |
Which type of alternative splicing event was found to be the most predominant across different developmental stages in *Brachypodium distachyon*? | GENOME AND GENOMICS | [
"Brachypodium distachyon"
] | [
"Exon Skipping (SE)",
"Intron Retention (IR)",
"Mutually Exclusive Exons (MXE)"
] | 10.1093/plphys/kiad223 | Model Organisms | GENOME AND GENOMICS | 10.1093/plphys/kiad223 | 2,023 | 3 | 1 | Plant phys | false |
What is a key function of microRNA156 (miR156) related to developmental transitions in *Brachypodium distachyon*? | GROWTH AND DEVELOPMENT | [
"Brachypodium distachyon"
] | [
"It primarily regulates root development independent of shoot developmental stage.",
"It acts as an age monitor influencing phase transitions, partly by modulating alternative splicing profiles.",
"It accelerates developmental transitions by promoting the degradation of floral repressors."
] | 10.1093/plphys/kiad223 | Model Organisms | GROWTH AND DEVELOPMENT | 10.1093/plphys/kiad223 | 2,023 | 3 | 1 | Plant phys | false |
How does miR156 regulate the expression of its target SQUAMOSA PROMOTER BINDING PROTEIN-LIKE (SPL) genes in *Brachypodium distachyon*, beyond canonical mRNA cleavage or translational repression? | GENE REGULATION | [
"Brachypodium distachyon"
] | [
"miR156 promotes the export of SPL transcripts from the nucleus, increasing their cytoplasmic abundance.",
"miR156 guides epigenetic modifications, specifically DNA methylation, at SPL gene loci.",
"miR156 influences the alternative splicing of SPL transcripts, such as altering intron retention patterns."
] | 10.1093/plphys/kiad223 | Model Organisms | GENE REGULATION | 10.1093/plphys/kiad223 | 2,023 | 3 | 2 | Plant phys | false |
What is the relationship between the regulatory networks of miR156 and the SCL33/SCL33L splicing factors in controlling age-dependent alternative splicing in *Brachypodium distachyon*? | GENE REGULATION | [
"Brachypodium distachyon"
] | [
"Age-dependent alternative splicing events can be regulated coincidently or separately by both miR156 and SCL33/SCL33L.",
"miR156 acts upstream, solely controlling the expression levels of SCL33 and SCL33L.",
"SCL33/SCL33L function is entirely dependent on miR156 levels for regulating any alternative splicing."
] | 10.1093/plphys/kiad223 | Model Organisms | GENE REGULATION | 10.1093/plphys/kiad223 | 2,023 | 3 | 0 | Plant phys | false |
How does the transcription factor HY5 modulate sugar transport in tomato fruit? | GENE REGULATION | [
"Solanum lycopersicum"
] | [
"Represses the expression of the SWEET12c promoter, thereby decreasing sugar transport.",
"Binds to the promoter of Sucrose Synthase (Susy) to enhance its activity.",
"Binds directly to the G-box cis-element in the SWEET12c promoter to activate its expression."
] | 10.1093/plphys/kiae195 | Solanaceae & Relatives | GENE REGULATION | 10.1093/plphys/kiae195 | 2,024 | 20 | 2 | Plant phys | false |
What is the role of the APETALA2a (AP2a) transcription factor in tomato fruit ripening regarding ethylene? | HORMONES | [
"Solanum lycopersicum"
] | [
"It acts as a positive regulator, increasing ethylene production.",
"It acts as a negative regulator of ethylene biosynthesis.",
"It directly mediates ethylene signal transduction downstream of the receptors."
] | 10.1093/plphys/kiae195 | Solanaceae & Relatives | HORMONES | 10.1093/plphys/kiae195 | 2,024 | 20 | 1 | Plant phys | false |
What is the role of RIN, TDR4, and MBP7 transcription factors concerning steroidal glycoalkaloids (SGAs) during tomato ripening? | PHYSIOLOGY AND METABOLISM | [
"Solanum lycopersicum"
] | [
"They inhibit the degradation pathway of all alkaloid compounds.",
"They promote the conversion of SGAs to less toxic metabolites.",
"They significantly increase the de novo synthesis of SGAs."
] | 10.1093/plphys/kiae195 | Solanaceae & Relatives | PHYSIOLOGY AND METABOLISM | 10.1093/plphys/kiae195 | 2,024 | 20 | 1 | Plant phys | false |
What are the primary effects on major metabolite classes when the HY5 gene is knocked out in tomato fruit? | PHYSIOLOGY AND METABOLISM | [
"Solanum lycopersicum"
] | [
"Flavonoid content decreases, while fructose and glucose contents increase.",
"Both flavonoid and sugar contents decrease significantly.",
"Carotenoid content significantly increases, while sugar content decreases."
] | 10.1093/plphys/kiae195 | Solanaceae & Relatives | PHYSIOLOGY AND METABOLISM | 10.1093/plphys/kiae195 | 2,024 | 20 | 0 | Plant phys | false |
What is the general function of the RIN transcription factor in the context of tomato fruit ripening? | GENE REGULATION | [
"Solanum lycopersicum"
] | [
"It functions primarily as a repressor, delaying the onset of ripening.",
"It specifically controls only carotenoid biosynthesis, independent of other ripening processes.",
"It acts as a master positive regulator, critical for ripening by targeting numerous ripening-related genes."
] | 10.1093/plphys/kiae195 | Solanaceae & Relatives | GENE REGULATION | 10.1093/plphys/kiae195 | 2,024 | 20 | 2 | Plant phys | false |
What is the primary mechanism by which the enzyme F3'H (flavonoid 3'-hydroxylase) enhances freezing tolerance in *Solanum commersonii*? | PHYSIOLOGY AND METABOLISM | [
"Solanum commersonii"
] | [
"By directly stabilizing cell membranes.",
"By increasing the production of flavonoids with higher ROS scavenging capacity.",
"By decreasing sugar accumulation."
] | 10.1093/plphys/kiaf070 | Solanaceae & Relatives | PHYSIOLOGY AND METABOLISM | 10.1093/plphys/kiaf070 | 2,025 | 0 | 1 | Plant phys | false |
Which transcription factor directly activates the *F3'H* gene in *Solanum commersonii* in response to cold by binding its promoter? | GENE REGULATION | [
"Solanum commersonii"
] | [
"ScWRKY41",
"ScMYB113",
"ScHAC1"
] | 10.1093/plphys/kiaf070 | Solanaceae & Relatives | GENE REGULATION | 10.1093/plphys/kiaf070 | 2,025 | 0 | 0 | Plant phys | false |
How does the transcription factor ScWRKY41 activate *ScF3'H* gene expression epigenetically in *Solanum commersonii*? | GENE REGULATION | [
"Solanum commersonii"
] | [
"By recruiting a histone deacetylase to remove acetylation marks.",
"By directly methylating the DNA in the promoter region.",
"By recruiting the histone acetyltransferase ScHAC1 to increase H3K27 acetylation at the promoter."
] | 10.1093/plphys/kiaf070 | Solanaceae & Relatives | GENE REGULATION | 10.1093/plphys/kiaf070 | 2,025 | 0 | 2 | Plant phys | false |
What is a major metabolic consequence of overexpressing *ScF3'H* in cultivated potato (*Solanum tuberosum*) that contributes to enhanced freezing tolerance? | PHYSIOLOGY AND METABOLISM | [
"Solanum tuberosum"
] | [
"Increased accumulation of kaempferol derivatives.",
"Increased accumulation of quercetin derivatives.",
"Decreased levels of all flavonoid types."
] | 10.1093/plphys/kiaf070 | Solanaceae & Relatives | PHYSIOLOGY AND METABOLISM | 10.1093/plphys/kiaf070 | 2,025 | 0 | 1 | Plant phys | false |
How do flavonoids, particularly those influenced by F3'H activity, enhance plant tolerance to freezing stress? | PHYSIOLOGY AND METABOLISM | [
"non-specific"
] | [
"By acting as antifreeze proteins.",
"By scavenging reactive oxygen species (ROS) via their hydroxyl groups.",
"By directly altering ice crystal formation."
] | 10.1093/plphys/kiaf070 | Non-specific | PHYSIOLOGY AND METABOLISM | 10.1093/plphys/kiaf070 | 2,025 | 0 | 1 | Plant phys | false |
What is a key advantage of modifying the chloroplast genome compared to the nuclear genome in plants regarding gene flow? | BIOTECHNOLOGY | [
"non-specific"
] | [
"Complete prevention of gene transfer through seeds.",
"Enhanced gene expression stability in subsequent generations.",
"Reduced risk of transgene escape via pollen due to maternal inheritance of chloroplasts."
] | 10.1016/s1360-1385(01)01949-5 | Non-specific | BIOTECHNOLOGY | 10.1016/s1360-1385(01)01949-5 | 2,001 | 27 | 2 | TIPS | false |
What is a primary environmental concern associated with the use of antibiotic resistance genes as selectable markers in transgenic plants? | ENVIRONMENT | [
"non-specific"
] | [
"The potential horizontal transfer of these resistance genes to soil or gut microbes.",
"The antibiotic resistance protein being toxic to beneficial insects.",
"The marker gene reducing the overall yield of the genetically modified crop."
] | 10.1016/s1360-1385(01)01949-5 | Non-specific | ENVIRONMENT | 10.1016/s1360-1385(01)01949-5 | 2,001 | 27 | 0 | TIPS | false |
Which molecular mechanism allows for the removal of selectable marker genes, like aadA, from the chloroplast genome after transformation, facilitated by flanking direct repeats? | BIOTECHNOLOGY | [
"Nicotiana tabacum"
] | [
"Homologous recombination between the direct repeat sequences leading to excision of the flanked gene(s).",
"Site-specific cleavage by restriction enzymes naturally present in the chloroplast.",
"Epigenetic silencing of the marker gene during plant development."
] | 10.1016/s1360-1385(01)01949-5 | Solanaceae & Relatives | BIOTECHNOLOGY | 10.1016/s1360-1385(01)01949-5 | 2,001 | 27 | 0 | TIPS | false |
What principle underlies the use of the betaine aldehyde dehydrogenase (BADH) gene as an antibiotic-free selectable marker for chloroplast transformation? | BIOTECHNOLOGY | [
"Spinacia oleracea"
] | [
"The BADH enzyme produces a visible pigment, enabling visual selection of transformed shoots.",
"The BADH enzyme detoxifies a toxic compound (betaine aldehyde) applied in the selection medium, allowing only transformed cells to survive.",
"The BADH enzyme confers resistance to a common herbicide used for selection."
] | 10.1016/s1360-1385(01)01949-5 | Other Herbaceous Crops, Spices, Fibers & Weeds | BIOTECHNOLOGY | 10.1016/s1360-1385(01)01949-5 | 2,001 | 27 | 1 | TIPS | false |
How does the efficiency of selecting tobacco chloroplast transformants using betaine aldehyde (BA) compare to selection using the antibiotic spectinomycin? | BIOTECHNOLOGY | [
"Nicotiana tabacum"
] | [
"Both BA and spectinomycin selection methods yielded comparable transformation efficiencies and regeneration times.",
"Spectinomycin selection was found to be more efficient and rapid than BA selection.",
"BA selection demonstrated significantly higher transformation efficiency and faster regeneration of transgenic shoots."
] | 10.1016/s1360-1385(01)01949-5 | Solanaceae & Relatives | BIOTECHNOLOGY | 10.1016/s1360-1385(01)01949-5 | 2,001 | 27 | 2 | TIPS | false |
How does the gene family size encoding GSK3/SHAGGY-like kinases differ between Arabidopsis thaliana and mammals? | GENOME AND GENOMICS | [
"Arabidopsis thaliana"
] | [
"Mammals possess a significantly larger multigene family compared to Arabidopsis.",
"Both Arabidopsis and mammals have only two genes encoding these kinases.",
"Arabidopsis possesses a larger multigene family (ten genes) compared to mammals (two genes)."
] | 10.1016/s1360-1385(02)02331-2 | Model Organisms | GENOME AND GENOMICS | 10.1016/s1360-1385(02)02331-2 | 2,002 | 102 | 2 | TIPS | false |
What developmental process in Arabidopsis thaliana is regulated by the GSKs AtSK11 and AtSK12? | GROWTH AND DEVELOPMENT | [
"Arabidopsis thaliana"
] | [
"They regulate flower patterning, influencing meristem and perianth organ numbers.",
"They are primarily responsible for root hair elongation.",
"They control the timing of seed germination."
] | 10.1016/s1360-1385(02)02331-2 | Model Organisms | GROWTH AND DEVELOPMENT | 10.1016/s1360-1385(02)02331-2 | 2,002 | 102 | 0 | TIPS | false |
What is the established role of the GSK homolog BIN2 (also known as ASKη or UCU1) in the Arabidopsis brassinosteroid signaling pathway? | HORMONES | [
"Arabidopsis thaliana"
] | [
"BIN2 acts as a positive regulator, directly activated by brassinosteroid binding.",
"BIN2 functions upstream of the BRI1 receptor, controlling its localization.",
"BIN2 acts as a negative regulator downstream of the BRI1 receptor kinase."
] | 10.1016/s1360-1385(02)02331-2 | Model Organisms | HORMONES | 10.1016/s1360-1385(02)02331-2 | 2,002 | 102 | 2 | TIPS | false |
Which specific GSK homolog in Medicago sativa is rapidly activated in response to wounding? | PHYSIOLOGY AND METABOLISM | [
"Medicago sativa"
] | [
"AtGSK1, the salt-stress related kinase, is activated by wounding.",
"WIG (Wound-Induced GSK) kinase activity is induced upon injury.",
"MSK1, another Medicago GSK, shows reduced activity upon wounding."
] | 10.1016/s1360-1385(02)02331-2 | Legumes | PHYSIOLOGY AND METABOLISM | 10.1016/s1360-1385(02)02331-2 | 2,002 | 102 | 1 | TIPS | false |
Regarding post-translational regulation, what significant difference exists at the N-terminus between plant GSKs and mammalian GSK-3? | CELL BIOLOGY AND CELL SIGNALING | [
"non-specific"
] | [
"Plant GSKs possess an extra N-terminal domain that enhances their activity upon phosphorylation, unlike mammalian GSK-3.",
"Plant GSKs lack the conserved N-terminal Serine residue (Ser9 in mammals) that is phosphorylated by PKB/AKT to inhibit activity.",
"Mammalian GSK-3 lacks the N-terminal regulatory region found in all plant GSKs."
] | 10.1016/s1360-1385(02)02331-2 | Non-specific | CELL BIOLOGY AND CELL SIGNALING | 10.1016/s1360-1385(02)02331-2 | 2,002 | 102 | 1 | TIPS | false |
What type of dormancy involves growth inhibition due to signals generated within the bud itself? | GROWTH AND DEVELOPMENT | [
"non-specific"
] | [
"Ecodormancy",
"Endodormancy",
"Paradormancy"
] | 10.1016/j.tplants.2003.09.013 | Non-specific | GROWTH AND DEVELOPMENT | 10.1016/j.tplants.2003.09.013 | 2,003 | 462 | 1 | TIPS | false |
At which phase of the cell cycle do cells in dormant vegetative buds typically arrest? | CELL BIOLOGY AND CELL SIGNALING | [
"non-specific"
] | [
"S phase",
"G1 phase",
"G2 phase"
] | 10.1016/j.tplants.2003.09.013 | Non-specific | CELL BIOLOGY AND CELL SIGNALING | 10.1016/j.tplants.2003.09.013 | 2,003 | 462 | 1 | TIPS | false |
What protein complex phosphorylation of the retinoblastoma protein (RB) initiates the G1-S phase transition in the plant cell cycle? | CELL BIOLOGY AND CELL SIGNALING | [
"non-specific"
] | [
"CYCD-CDK complex",
"CYCB-CDKB complex",
"RB-E2F complex"
] | 10.1016/j.tplants.2003.09.013 | Non-specific | CELL BIOLOGY AND CELL SIGNALING | 10.1016/j.tplants.2003.09.013 | 2,003 | 462 | 0 | TIPS | false |
Which plant hormone, primarily transported downwards from the shoot apex, plays a key role in regulating paradormancy (apical dominance)? | HORMONES | [
"non-specific"
] | [
"Abscisic acid (ABA)",
"Auxin",
"Gibberellic acid (GA)"
] | 10.1016/j.tplants.2003.09.013 | Non-specific | HORMONES | 10.1016/j.tplants.2003.09.013 | 2,003 | 462 | 1 | TIPS | false |
What environmental cue primarily induces endodormancy and associated developmental changes in the terminal buds of deciduous trees like *Betula papyrifera*? | ENVIRONMENT | [
"Betula papyrifera"
] | [
"High nutrient availability",
"Extended chilling periods",
"Shortening day length"
] | 10.1016/j.tplants.2003.09.013 | Woody Perennials & Trees | ENVIRONMENT | 10.1016/j.tplants.2003.09.013 | 2,003 | 462 | 2 | TIPS | false |
What strategy do plant viruses typically employ to counteract the host's antiviral RNA silencing defense? | GENE REGULATION | [
"non-specific"
] | [
"Mimicking host microRNAs to overload the silencing machinery.",
"Integrating viral RNA directly into the host genome to evade detection.",
"Expressing specific proteins that suppress the RNA silencing pathway."
] | 10.1016/j.tplants.2003.12.010 | Non-specific | GENE REGULATION | 10.1016/j.tplants.2003.12.010 | 2,004 | 153 | 2 | TIPS | false |
What is the function of the DICER enzyme family in RNA silencing? | GENE REGULATION | [
"non-specific"
] | [
"Synthesizing complementary RNA strands using short RNAs as primers.",
"Processing long double-stranded RNAs or precursor miRNAs into short RNA molecules (siRNAs or miRNAs).",
"Binding directly to target mRNA sequences to block translation."
] | 10.1016/j.tplants.2003.12.010 | Non-specific | GENE REGULATION | 10.1016/j.tplants.2003.12.010 | 2,004 | 153 | 1 | TIPS | false |
How does the Tombusvirus p19 protein primarily interfere with RNA silencing? | GENE REGULATION | [
"non-specific"
] | [
"By binding to short interfering RNA (siRNA) duplexes, preventing their incorporation into the RISC complex.",
"By directly inhibiting the activity of the DICER enzyme.",
"By promoting the degradation of the RNA-dependent RNA polymerase (RdRP)."
] | 10.1016/j.tplants.2003.12.010 | Non-specific | GENE REGULATION | 10.1016/j.tplants.2003.12.010 | 2,004 | 153 | 0 | TIPS | false |
Which key component of the RNA silencing pathway is targeted by the Potyvirus HC-Pro suppressor protein? | GENE REGULATION | [
"non-specific"
] | [
"The RNA-induced silencing complex (RISC).",
"The primary viral RNA transcripts before processing.",
"The DICER enzyme responsible for siRNA production."
] | 10.1016/j.tplants.2003.12.010 | Non-specific | GENE REGULATION | 10.1016/j.tplants.2003.12.010 | 2,004 | 153 | 0 | TIPS | false |
Besides suppressing antiviral defense, what significant side-effect can viral silencing suppressors have on host plants? | GROWTH AND DEVELOPMENT | [
"non-specific"
] | [
"Enhancing the plant's systemic acquired resistance (SAR) pathway.",
"Interfering with endogenous small RNA pathways, such as miRNA regulation, leading to developmental defects.",
"Specifically inducing the production of host antiviral proteins."
] | 10.1016/j.tplants.2003.12.010 | Non-specific | GROWTH AND DEVELOPMENT | 10.1016/j.tplants.2003.12.010 | 2,004 | 153 | 1 | TIPS | false |
What are the primary roles of glycosylation mediated by UGTs in plants? | PHYSIOLOGY AND METABOLISM | [
"non-specific"
] | [
"Synthesis of primary metabolites and structural cell wall components.",
"Direct catalysis of photosynthesis and respiration pathways.",
"Regulation of hormone levels, detoxification, and modification of secondary metabolites."
] | 10.1016/j.tplants.2005.09.007 | Non-specific | PHYSIOLOGY AND METABOLISM | 10.1016/j.tplants.2005.09.007 | 2,005 | 406 | 2 | TIPS | false |
What conserved sequence motif is characteristic of the plant-specific secondary metabolism glycosyltransferase family? | GENOME AND GENOMICS | [
"non-specific"
] | [
"The P450 heme-binding motif.",
"The Walker A ATP-binding motif.",
"The PSPG (Plant Secondary Product Glycosyltransferase) motif."
] | 10.1016/j.tplants.2005.09.007 | Non-specific | GENOME AND GENOMICS | 10.1016/j.tplants.2005.09.007 | 2,005 | 406 | 2 | TIPS | false |
Besides inactivation or detoxification, what other functional consequence can glycosylation have on plant molecules, as exemplified by oat saponins or piceid? | PHYSIOLOGY AND METABOLISM | [
"non-specific"
] | [
"It primarily increases the molecule's volatility for scent production.",
"It exclusively leads to the breakdown and catabolism of the molecule.",
"It can be essential for the molecule's biological activity, such as antifungal properties."
] | 10.1016/j.tplants.2005.09.007 | Non-specific | PHYSIOLOGY AND METABOLISM | 10.1016/j.tplants.2005.09.007 | 2,005 | 406 | 2 | TIPS | false |
How is the substrate specificity of plant UGTs typically described? | PHYSIOLOGY AND METABOLISM | [
"non-specific"
] | [
"Absolutely specific to a single substrate both in vitro and in vivo.",
"Completely random and non-selective under all conditions.",
"Often broad in vitro but can exhibit significant regio-selectivity in vivo, sometimes conserved within UGT groups."
] | 10.1016/j.tplants.2005.09.007 | Non-specific | PHYSIOLOGY AND METABOLISM | 10.1016/j.tplants.2005.09.007 | 2,005 | 406 | 2 | TIPS | false |
Which approaches have significantly advanced the functional characterization of plant UGTs, overcoming challenges like broad in vitro specificity? | GENOME AND GENOMICS | [
"non-specific"
] | [
"Combining functional genomics (transcriptomics, metabolomics) with reverse genetics (mutant analysis).",
"Focusing exclusively on phylogenetic analysis without experimental validation.",
"Relying solely on classical protein purification and in vitro assays."
] | 10.1016/j.tplants.2005.09.007 | Non-specific | GENOME AND GENOMICS | 10.1016/j.tplants.2005.09.007 | 2,005 | 406 | 0 | TIPS | false |
What is the proposed base chromosome number for the ancestral karyotype of the Brassicaceae family used as a reference for comparative genomics? | GENOME AND GENOMICS | [
"non-specific"
] | [
"n = 12",
"n = 5",
"n = 8"
] | 10.1016/j.tplants.2006.09.002 | Non-specific | GENOME AND GENOMICS | 10.1016/j.tplants.2006.09.002 | 2,006 | 456 | 2 | TIPS | false |
What sequence of events is proposed as a common mechanism for chromosome number reduction in Brassicaceae evolution? | GENOME AND GENOMICS | [
"non-specific"
] | [
"Whole-genome duplication followed by gene loss.",
"Chromosome fission followed by neocentromere formation.",
"Pericentric inversion followed by reciprocal translocation and mini-chromosome elimination."
] | 10.1016/j.tplants.2006.09.002 | Non-specific | GENOME AND GENOMICS | 10.1016/j.tplants.2006.09.002 | 2,006 | 456 | 2 | TIPS | false |
Why is Arabidopsis thaliana sometimes considered less suitable than the proposed ancestral karyotype as a standard for comparative genomics within the Brassicaceae family? | GENOME AND GENOMICS | [
"Arabidopsis thaliana"
] | [
"Its genome has undergone significant reduction and rearrangement (n=5) compared to the ancestral state (n=8).",
"Its genome size is too large for easy comparison.",
"It lacks conserved gene blocks found in other Brassicaceae."
] | 10.1016/j.tplants.2006.09.002 | Model Organisms | GENOME AND GENOMICS | 10.1016/j.tplants.2006.09.002 | 2,006 | 456 | 0 | TIPS | false |
What major genomic event is hypothesized to have occurred uniquely in the ancestry of the Brassica genus after its divergence from Arabidopsis? | GENOME AND GENOMICS | [
"Brassica"
] | [
"An ancient genome triplication (hexaploidy).",
"A significant reduction in chromosome number.",
"An ancient genome duplication (tetraploidy)."
] | 10.1016/j.tplants.2006.09.002 | Other Herbaceous Crops, Spices, Fibers & Weeds | GENOME AND GENOMICS | 10.1016/j.tplants.2006.09.002 | 2,006 | 456 | 0 | TIPS | false |
How are the 24 conserved chromosomal blocks (A-X) primarily ordered and named in the proposed unified framework for Brassicaceae comparative genomics? | GENOME AND GENOMICS | [
"non-specific"
] | [
"Based on the alphabetical order of the genes they contain.",
"Based on their position and orientation in the Arabidopsis thaliana genome (n=5).",
"Based on their position and orientation in the proposed ancestral karyotype (n=8)."
] | 10.1016/j.tplants.2006.09.002 | Non-specific | GENOME AND GENOMICS | 10.1016/j.tplants.2006.09.002 | 2,006 | 456 | 2 | TIPS | false |
What type of proteins are Phytochrome Interacting Factors (PIFs) in plants like Arabidopsis thaliana? | GENE REGULATION | [
"Arabidopsis thaliana"
] | [
"Basic helix-loop-helix (bHLH) transcription factors",
"Receptor-like kinases involved in cell surface signaling",
"Ubiquitin E3 ligases targeting proteins for degradation"
] | 10.1016/j.tplants.2007.10.001 | Model Organisms | GENE REGULATION | 10.1016/j.tplants.2007.10.001 | 2,007 | 384 | 0 | TIPS | false |
Which molecular event initiates the light-induced degradation of the PIF3 protein? | CELL BIOLOGY AND CELL SIGNALING | [
"Arabidopsis thaliana"
] | [
"Phosphorylation of PIF3 following direct interaction with photoactivated phytochromes",
"Direct cleavage of PIF3 by activated phytochrome proteases",
"Binding of PIF3 to cytoplasmic chaperone proteins"
] | 10.1016/j.tplants.2007.10.001 | Model Organisms | CELL BIOLOGY AND CELL SIGNALING | 10.1016/j.tplants.2007.10.001 | 2,007 | 384 | 0 | TIPS | false |
With which form of phytochrome do PIFs, such as PIF3, preferentially interact? | CELL BIOLOGY AND CELL SIGNALING | [
"Arabidopsis thaliana"
] | [
"The biologically inactive, red light-absorbing form (Pr)",
"The biologically active, far-red light-absorbing form (Pfr)",
"Both Pr and Pfr forms with equal affinity"
] | 10.1016/j.tplants.2007.10.001 | Model Organisms | CELL BIOLOGY AND CELL SIGNALING | 10.1016/j.tplants.2007.10.001 | 2,007 | 384 | 1 | TIPS | false |
What is a primary role of PIF1 in regulating seed germination in Arabidopsis thaliana? | GROWTH AND DEVELOPMENT | [
"Arabidopsis thaliana"
] | [
"Inhibiting germination in the dark by suppressing gibberellin (GA) signaling and promoting abscisic acid (ABA) pathways",
"Promoting germination by activating chlorophyll biosynthesis genes",
"Enhancing germination under far-red light by stabilizing phytochrome A"
] | 10.1016/j.tplants.2007.10.001 | Model Organisms | GROWTH AND DEVELOPMENT | 10.1016/j.tplants.2007.10.001 | 2,007 | 384 | 0 | TIPS | false |
What is the function of the conserved Active Phytochrome-Binding (APB) motif located at the N-terminus of PIF proteins? | GENE REGULATION | [
"Arabidopsis thaliana"
] | [
"It targets the PIF protein for degradation by the 26S proteasome independently of light",
"It is required for the specific binding interaction with the active Pfr form of phytochrome B",
"It mediates the binding of PIFs to G-box DNA sequences in target gene promoters"
] | 10.1016/j.tplants.2007.10.001 | Model Organisms | GENE REGULATION | 10.1016/j.tplants.2007.10.001 | 2,007 | 384 | 1 | TIPS | false |
How does introducing glycinebetaine (GB) biosynthesis capabilities generally affect plants that don't naturally produce it? | BIOTECHNOLOGY | [
"non-specific"
] | [
"It has no significant effect on their stress tolerance but increases vegetative growth.",
"It increases their tolerance to various abiotic stresses like drought, salt, and chilling.",
"It decreases their tolerance to abiotic stresses."
] | 10.1016/j.tplants.2008.06.007 | Non-specific | BIOTECHNOLOGY | 10.1016/j.tplants.2008.06.007 | 2,008 | 465 | 1 | TIPS | false |
Following foliar application to tomato (Lycopersicon esculentum), where is glycinebetaine primarily translocated? | PHYSIOLOGY AND METABOLISM | [
"Lycopersicon esculentum"
] | [
"To actively growing meristematic tissues such as flower buds and shoot apices via the phloem.",
"It remains localized within the treated leaf tissues only.",
"It is primarily transported to the roots via the xylem."
] | 10.1016/j.tplants.2008.06.007 | Solanaceae & Relatives | PHYSIOLOGY AND METABOLISM | 10.1016/j.tplants.2008.06.007 | 2,008 | 465 | 0 | TIPS | false |
In transgenic Arabidopsis thaliana accumulating glycinebetaine, what specific benefit is observed for reproductive structures under salt stress? | GROWTH AND DEVELOPMENT | [
"Arabidopsis thaliana"
] | [
"Enhanced development and reduced abortion of flower buds, leading to more siliques and seeds.",
"Increased petal size but reduced seed viability.",
"Delayed flowering to avoid the stress period."
] | 10.1016/j.tplants.2008.06.007 | Model Organisms | GROWTH AND DEVELOPMENT | 10.1016/j.tplants.2008.06.007 | 2,008 | 465 | 0 | TIPS | false |
Regarding subcellular localization, where does glycinebetaine (GB) accumulation often prove more effective for enhancing abiotic stress tolerance in transgenic plants? | CELL BIOLOGY AND CELL SIGNALING | [
"non-specific"
] | [
"Targeting GB accumulation to the chloroplasts.",
"Targeting GB accumulation to the mitochondria.",
"Targeting GB accumulation exclusively to the cytosol."
] | 10.1016/j.tplants.2008.06.007 | Non-specific | CELL BIOLOGY AND CELL SIGNALING | 10.1016/j.tplants.2008.06.007 | 2,008 | 465 | 0 | TIPS | false |
Besides direct osmoprotection, how else might glycinebetaine (GB) enhance plant stress tolerance at a molecular level? | GENE REGULATION | [
"non-specific"
] | [
"By directly inhibiting photosynthesis to conserve energy.",
"By inducing the expression of specific stress-responsive genes, such as those encoding ROS-scavenging enzymes or membrane transporters.",
"By breaking down toxic compounds produced under stress."
] | 10.1016/j.tplants.2008.06.007 | Non-specific | GENE REGULATION | 10.1016/j.tplants.2008.06.007 | 2,008 | 465 | 1 | TIPS | false |
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