Genus of bacteria
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Allochromatium phaeobacterium ("A. phaeobacterium") is a phototrophic and rod-shaped purple sulfur bacterium from the genus of "Allochromatium" which has been isolated from brackish water in Bheemli, Visakhapatnam, India.
"A. phaeobacterium" was first isolated from anoxic sediment in 2007, and isolated on a modified Bielbl and Pfennig medium.
Description.
"A. phaeobacterium" is a rod-shaped, gram-negative species of bacteria. This species appears brown in color, and is 1.0–1.5x2.0–4.0 formula_1in length. "A. phaeobacterium" is motile and reproduces through binary fission. It has been observed growing photoautotrophically, photolithoautotrophically, photolithotrophically, and photoorganoheterotrophically.
Absoprtion spectra has confirmed photoreceptors bacteriochlorophyll α, rhodopinals, and carotenoids.
Genome.
"A. phaeobacterium" has been partially sequenced through 16s rRNA gene sequencing with a sequence of approximately 1400 base pairs. The G/C content is 59.8%. Based on phylogenetic analysis from this 16s sequence, "Allochromatium phaeobacterium" is considered morphologically and physiologically distinct from others in the "Allochromatium" genus.
References.
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