Oceanibulbus indolifex

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A Microbial Biorealm page on the genus Oceanibulbus indolifex

Classification

Higher order taxa

Bacteria; Proteobacteria; Alphaproteobacteria; Rhodobacterales; Rhodobacteraceae

Species

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Oceanibulbus indolifex

Description and significance

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Genome structure

Cell and colony structure

Interesting features of cell structure. Interesting features of colony structure.

Metabolism

Oceanibulbus indolifex is an obligate aerobe, non-fermentative bacterium that requires oxygen to grow. The bacterium is a heterotroph that utilizes D-glucose, pyruvate, DL- lactate, serine, ornithine, alanine, asparagine, L-aspartate, L-glutamate, L-proline, succinate, mannitol, adipate, malate, citrate and glycerol as its carbon source and external electron donor reductant sources. Oceanibulbus indolifex contains Q10 (uibiquinone 10) as its dominant respiratory quinone in the electron transport chain to aid in ATP synthesis. Q10 is specific to members of Alphaproteobacteria class. Oceanibulbus indolifex does not hydrolyze gelatin, starch, urea, or aesculin. The bacterium tested slightly positive for the presence of cytochrome oxidase a transmembrane protein complex in the electron transport chain that transfers electrons to oxygen and translocates four protons per electron to help create a gradient for ATP synthesis. Oceanibulbus indolifex does not reduce nitrate to nitrite. The bacterium produces indole, cyclic dipeptides, and thryptanthrin.

Ecology

Oceanibulbus indolifex has optimum growth from 25-30°C but can grow in a range all the way down to 8°C. The bacterium’s optimum growth occurs at a pH of 7 but it can tolerate a range from 7-9. The optimum salts concentration for growth is 3-5% and the halotolerance range is from 1-10%. Oceanibulbus indolifex does not grow in medium lacking salts or in medium containing only sodium chloride.

metagenomic data link

Pathology

Oceanibulbus indolifex has no known pathogenic effects on humans. The bacterium does have gene coding for β-lactamases indicating resistance to β-lactam antibiotics like penicillins, cephamycins, and carbapenems. Oceanibulbus indolifex is susceptible to aminoglycosides, antibiotics derived from bacteria of the genus Streptomyces that interfere with bacterial ribosome function.

References

List your references here with hyperlinks to the papers or websites when possible. Also, provide the DOI number for articles. For example:

Sylvie Cousin, Marie-Laure Gulat-Okalla, Laurence Motreff, Catherine Gouyette, Christiane Bouchier, Dominique Clermont, and Chantal Bizet. Lactobacillus gigeriorum sp. nov., isolated from chicken crop. Int J Syst Evol Microbiol February 2012 62:330-334; published ahead of print March 18, 2011.} [doi:10.1099/ijs.0.028217-0.


Edited by Ariel Kaplan of Dr. Lisa R. Moore, University of Southern Maine, Department of Biological Sciences, http://www.usm.maine.edu/bio