Jodi Kalubi, Teodora Riglea, Erin K O'Loughlin, Louise Potvin, Jennifer O'Loughlin
Health-Promoting School Culture: How Do We Measure it and Does it Vary by School Neighborhood Deprivation?
The Journal of school health
rapid growth diatoms makes one pervasive productive types plankton worlds ocean physiological basis high growth rates remains poorly understood evaluate factors elevate diatom growth rates relative plankton using steadystate metabolic flux model computes photosynthetic c source intracellular light attenuation carbon cost growth empirical cell c quotas across wide range cell sizes diatoms phytoplankton growth rates decline increased cell volume consistent observations c cost division increases size faster photosynthesis however model predicts overall higher growth rates diatoms due reduced c requirements low energetic cost si deposition c savings silica frustule supported metatranscriptomic data tara oceans show abundance transcripts cytoskeleton components diatoms lower phytoplankton results highlight importance understanding origins phylogenetic differences cellular c quotas suggest evolution silica frustules may play critical role global dominance marine diatoms importance study addresses longstanding issue regarding diatoms namely fast growth diatoms broadly phytoplankton silica frustules worlds productive microorganisms dominate polar upwelling regions dominance largely supported high growth rate physiological reasoning behind characteristic obscure study combine quantitative model metatranscriptomic approaches show diatoms low carbon requirements low energy costs silica frustule production key factors supporting fast growth study suggests effective use energyefficient silica cellular structure instead carbon enables diatoms productive organisms global ocean