Pelobacter acetylenicus

Pelobacter acetylenicus is a strictly anaerobic Gram-negative rod-shaped non-sporeforming bacterium of the genus Pelobacter. It was isolated from marine and freshwater sediments and can use acetylene (ethyne) as sole source of carbon and energy.[2]

Pelobacter acetylenicus
Scientific classification
Kingdom:
Bacteria
Phylum:
Proteobacteria
Class:
Deltaproteobacteria
Order:
Desulfuromonadales
Family:
Pelobacteraceae
Genus:
Pelobacter
Species:
P. acetylenicus
Binomial name
Pelobacter acetylenicus
Schink 1986[1]

Metabolism

P. acetylenicus can grow on acetylene, acetoin, ethanolamine, choline, propylene glycol (1,2-propanediol), or glycerol, although the latter two support growth only in the presence of small amounts of acetate. P. acetylenicus ferments substrates by disproportionation to acetate and ethanol or the respective higher acids and alcohols.[2]

Genome

The genomes of several strains have been sequenced. The genome of P. acetylenicus strain DSM 3247 was assembled into a 3,176,363-bp circular chromosome while strain DSM 3246 has a circular chromosome of 3,192,352-bp. Annotation of DSM 3246 identified 2,774 protein-coding genes, 16 rRNAs, 53 tRNAs, five noncoding RNAs, and 132 pseudogenes. DSM 3247 encodes 2,805 proteins, nine rRNAs, 51 tRNAs, five noncoding RNAs, and 44 pseudogenes.[3]

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References
  1. Parte, A.C. "Pelobacter". LPSN.
  2. Schink, Bernhard (1985-08-01). "Fermentation of acetylene by an obligate anaerobe, Pelobacter acetylenicus sp. nov". Archives of Microbiology. 142 (3): 295–301. doi:10.1007/bf00693407. ISSN 0302-8933.
  3. Sutton, John M.; Baesman, Shaun M.; Fierst, Janna L.; Poret-Peterson, Amisha T.; Oremland, Ronald S.; Dunlap, Darren S.; Akob, Denise M. (2017-02-09). "Complete Genome Sequences of Two Acetylene-Fermenting Pelobacter acetylenicus Strains". Genome Announcements. 5 (6). doi:10.1128/genomeA.01572-16. PMC 5331499. PMID 28183759.


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