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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.[1][2][3][4][5]
| Allochromatium phaeobacterium | |
|---|---|
| Scientific classification | |
| Domain: | |
| Phylum: | |
| Class: | |
| Order: | Chromatiales |
| Family: | |
| Genus: | |
| Species: | A. phaeobacterium |
| Binomial name | |
| Allochromatium phaeobacterium Srinivas et al. 2009[1] | |
| Type strain | |
| DSM 19781, JCM 14796, strain JA144[2] | |
| Synonyms | |
|
Allochromatium sequicentenarium[2] | |
A. phaeobacterium was first isolated from anoxic sediment in 2007, and isolated on a modified Bielbl and Pfennig medium.[5]
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 in length. A. phaeobacterium is motile and reproduces through binary fission.[5] It has been observed growing photoautotrophically, photolithoautotrophically, photolithotrophically, and photoorganoheterotrophically.[5]
Absoprtion spectra has confirmed photoreceptors bacteriochlorophyll α, rhodopinals, and carotenoids.[5]
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%.[5] Based on phylogenetic analysis from this 16s sequence, Allochromatium phaeobacterium is considered morphologically and physiologically distinct from others in the Allochromatium genus.[5]
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