Biology:Bacteroides ureolyticus

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Short description: Species of bacterium

Bacteroides ureolyticus
Scientific classification
Domain:
Bacteria
Phylum:
Bacteroidota
Class:
Bacteroidia
Order:
Bacteroidales
Family:
Bacteroidaceae
Genus:
Bacteroides

Castellani & Chalmers 1919
Species:
B. ureolyticus
Binomial name
Bacteroides ureolyticus
Jackson, 1978

Bacteroides ureolyticus is a species in the bacterial genus of Gram-negative, obligately anaerobic bacteria. Bacteroides species are non-endospore-forming bacilli, and may be either motile or non-motile, depending on the species.[1] The DNA base composition is 40–48% GC. Unusual in bacterial organisms, Bacteroides membranes contain sphingolipids. They also contain meso-diaminopimelic acid in their peptidoglycan layer.[citation needed]

Bacteroides are normally mutualistic, a substantial portion of the mammalian gastrointestinal flora,[2] and they process complex molecules into simpler ones.[3][4][5] As many as 1010-1011 cells per gram of human feces have been reported.[6] They can use simple sugars when available; however, the main sources of energy for Bacteroides species in the gut are complex host-derived and plant glycans.[7]

Pathophysiology

Bacteroides ureolyticus has been isolated from pregnant women with symptoms of bacterial vaginosis.[8]

See also

References

  1. ↑ Brock Biology of Microorganisms (11th ed.). Prentice Hall. 2005. ISBN 978-0-13-144329-7. 
  2. ↑ Dorland WAN, ed (2003). Dorland's Illustrated Medical Dictionary (30th ed.). W.B. Saunders. ISBN 978-0-7216-0146-5. 
  3. ↑ Wexler, H. M. (Oct 2007). "Bacteroides: the good, the bad, and the nitty-gritty". Clinical Microbiology Reviews 20 (4): 593–621. doi:10.1128/CMR.00008-07. ISSN 0893-8512. PMID 17934076. 
  4. ↑ Xu, J. .; Gordon, I. . (Sep 2003). "Inaugural Article: Honor thy symbionts". Proceedings of the National Academy of Sciences of the United States of America 100 (18): 10452–10459. doi:10.1073/pnas.1734063100. ISSN 0027-8424. PMID 12923294. Bibcode: 2003PNAS..10010452X. 
  5. ↑ Xu, J.; Mahowald, A.; Ley, E.; Lozupone, A.; Hamady, M.; Martens, C.; Henrissat, B.; Coutinho, M. et al. (Jul 2007). "Evolution of symbiotic bacteria in the distal human intestine". PLOS Biology 5 (7): e156. doi:10.1371/journal.pbio.0050156. ISSN 1544-9173. PMID 17579514. 
  6. ↑ Normal indigenous intestinal flora (pp. 3-31) in Human intestinal microflora in health and disease. Academic Press. 1983. ISBN 978-0-12-341280-5. 
  7. ↑ "Mucosal Glycan Foraging Enhances Fitness and Transmission of a Saccharolytic Human Gut Bacterial Symbiont". Cell Host Microbe 4 (5): 447–57. 2008. doi:10.1016/j.chom.2008.09.007. PMID 18996345. 
  8. ↑ Petrova, Mariya I.; Lievens, Elke; Malik, Shweta; Imholz, Nicole; Lebeer, Sarah (2015). "Lactobacillus species as biomarkers and agents that can promote various aspects of vaginal health". Frontiers in Physiology 6: 81. doi:10.3389/fphys.2015.00081. ISSN 1664-042X. PMID 25859220. 

External links

Wikidata ☰ Q19972191 entry



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