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- Capnophile abstract "Capnophiles are microorganisms which thrive in the presence of high concentrations of carbon dioxide.Some capnophiles may have a metabolic requirement for carbon dioxide, while others merely compete more successfully for resources under these conditions. The term is a generally descriptive one and has less relevance as a means of establishing a taxonomic or evolutionary relationship among organisms with this characteristic.For example, the ability of capnophiles to tolerate (or utilize) the amount of oxygen that is also in their environment may vary widely and may be far more critical to their survival. Species of Campylobacter are bacterial capnophiles that are more easily identified because they are also microaerophiles, organisms that can grow in high carbon dioxide as long as a small amount of free oxygen is present, but at a dramatically reduced concentration. (In the earth's atmosphere carbon dioxide levels are approximately five hundred times lower than that of oxygen, 0.04% and 21% of the total, respectively.) Obligate anaerobes are microbes that will die in the presence of oxygen without respect to the concentration of carbon dioxide in their environment, and typically acquire energy through anaerobic respiration, or fermentation (biochemistry). In 2004, a capnophilic bacterium was characterized that appears to require carbon dioxide. This organism, Mannheimia succiniciproducens, has a unique metabolism involving carbon fixation. While carbon fixation is common to most plant life on earth since it is the key initial step in the biosynthesis of complex carbon compounds during photosynthesis (the Calvin cycle), it is found in relatively few microorganisms and not found in animals. Mannheimia succiniciproducens can attach carbon dioxide to the three-carbon backbone of phosphoenolpyruvate, an endproduct in glycolysis, to generate the four-carbon compound, oxaloacetic acid, an intermediate in the Krebs cycle. Although Mannheimia succiniciproducens has most of the intermediates in the Krebs cycle, it is not capable of oxidative phosphorylation, the final step in the electron transport chain that would allow it to carry out the highly efficient process of harvesting energy by aerobic respiration.".
- Capnophile thumbnail ARS_Campylobacter_jejuni.jpg?width=300.
- Capnophile wikiPageID "3379444".
- Capnophile wikiPageLength "4551".
- Capnophile wikiPageOutDegree "20".
- Capnophile wikiPageRevisionID "677190553".
- Capnophile wikiPageWikiLink Aerobic_respiration.
- Capnophile wikiPageWikiLink Aggregatibacter_actinomycetemcomitans.
- Capnophile wikiPageWikiLink Atmosphere_of_Earth.
- Capnophile wikiPageWikiLink Calvin_cycle.
- Capnophile wikiPageWikiLink Campylobacter.
- Capnophile wikiPageWikiLink Carbon_dioxide.
- Capnophile wikiPageWikiLink Carbon_fixation.
- Capnophile wikiPageWikiLink Category:Capnophiles.
- Capnophile wikiPageWikiLink Cellular_respiration.
- Capnophile wikiPageWikiLink Citric_acid_cycle.
- Capnophile wikiPageWikiLink Earths_atmosphere.
- Capnophile wikiPageWikiLink Electron_transport_chain.
- Capnophile wikiPageWikiLink Fermentation.
- Capnophile wikiPageWikiLink Fermentation_(biochemistry).
- Capnophile wikiPageWikiLink Glycolysis.
- Capnophile wikiPageWikiLink Krebs_cycle.
- Capnophile wikiPageWikiLink Light-independent_reactions.
- Capnophile wikiPageWikiLink Microaerophile.
- Capnophile wikiPageWikiLink Obligate_anaerobe.
- Capnophile wikiPageWikiLink Oxaloacetic_acid.
- Capnophile wikiPageWikiLink Oxidative_phosphorylation.
- Capnophile wikiPageWikiLink Periodontitis.
- Capnophile wikiPageWikiLink Phosphoenolpyruvate.
- Capnophile wikiPageWikiLink Phosphoenolpyruvic_acid.
- Capnophile wikiPageWikiLink File:ARS_Campylobacter_jejuni.jpg.
- Capnophile wikiPageWikiLinkText "Capnophile".
- Capnophile wikiPageWikiLinkText "capnophile".
- Capnophile wikiPageWikiLinkText "capnophilic".
- Capnophile hasPhotoCollection Capnophile.
- Capnophile wikiPageUsesTemplate Template:Extremophile.
- Capnophile wikiPageUsesTemplate Template:Reflist.
- Capnophile subject Category:Capnophiles.
- Capnophile hypernym Microorganisms.
- Capnophile type Article.
- Capnophile type Species.
- Capnophile type Article.
- Capnophile type Extremophile.
- Capnophile comment "Capnophiles are microorganisms which thrive in the presence of high concentrations of carbon dioxide.Some capnophiles may have a metabolic requirement for carbon dioxide, while others merely compete more successfully for resources under these conditions.".
- Capnophile label "Capnophile".
- Capnophile sameAs Capnófilo.
- Capnophile sameAs Kapnofili.
- Capnophile sameAs m.098jzd.
- Capnophile sameAs Капнофилы.
- Capnophile sameAs Капнофіли.
- Capnophile sameAs Q2072863.
- Capnophile sameAs Q2072863.
- Capnophile sameAs 嗜二氧化碳菌.
- Capnophile wasDerivedFrom Capnophile?oldid=677190553.
- Capnophile depiction ARS_Campylobacter_jejuni.jpg.
- Capnophile isPrimaryTopicOf Capnophile.