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Amphibacillus xylanus information


Amphibacillus xylanus
Scientific classification
Domain:
Bacteria
Phylum:
Bacillota
Class:
Bacilli
Order:
Bacillales
Family:
Bacillaceae
Genus:
Amphibacillus
Species:
A. xylanus
Binomial name
Amphibacillus xylanus
Niimura et al., 1990

Amphibacillus xylanus is a gram-positive-spore forming bacterium with cells 0.3 μm to 0.5 μm in diameter and 0.9 μm to 1.9 μm in length. A. xylanus is a facultative anaerobic organism which can grow in several different environments. Its success in a multitude of environments stems from multiple metabolic pathways, each with high ATP yields. It is flagellated and motile. It grows best at pH 8.0-10.0 but not at pH 7.0. It is catalase and oxidase negative. This helps to explain better the unique method of metabolism on which the organism relies.[1]

The cells have meso-diaminopimelic acid. The cellular fatty acids consists of iso-branched and anteiso-branched acids and considerable amounts of straight-chain acids. The DNA base composition of these strains ranged from 36 to 38 G+C % (guanine plus cytosine). This in combination with DNA homology determined that A. xylanus was not related to strains of representative species of the genera bacillus, clostridium, and sporolactobacillus. Considering these and its unique metabolism along with 5S rRNA (ribosomal RNA) sequencing the bacterium is hard to relate to other bacteria in its taxonomic schemes as so little of its genome matched any other bacterium.

  1. ^ Niimura, Y.; Koh, E.; Yanagida, F.; Suzuki, K.-I.; Komagata, K.; Kozaki, M. (1 July 1990). "Amphibacillus xylanus gen. nov., sp. nov., a Facultatively Anaerobic Sporeforming Xylan-Digesting Bacterium Which Lacks Cytochrome, Quinone, and Catalase". International Journal of Systematic Bacteriology. 40 (3): 297–301. doi:10.1099/00207713-40-3-297. ProQuest 15725591.

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Amphibacillus xylanus

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Amphibacillus xylanus is a gram-positive-spore forming bacterium with cells 0.3 μm to 0.5 μm in diameter and 0.9 μm to 1.9 μm in length. A. xylanus is...

Word Count : 436

Amphibacillus

Last Update:

Amphibacillus is a Gram-positive, spore-forming, rod-shaped and facultatively anaerobic genus of bacteria from the family of Bacillaceae. Amphibacillus...

Word Count : 271

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