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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
2
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pubmed:dateCreated |
1997-3-21
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pubmed:abstractText |
The ruminal cellulolytic bacteria Ruminococcus flavefaciens FD-1 and Fibrobacter succinogenes S85 coexisted in substrate-excess coculture with about equal population size, but R. flavefaciens outcompeted F. succinogenes for cellobiose in the substrate-limited cocultures whether the two strains were coinoculated or a steady-state culture of F. succinogenes was challenged by R. flavefaciens. This outcome of competition between these two strains is due to a classical pure and simple competition mechanism based on affinity for cellobiose. Although the population size of F. succinogenes was much higher (> 70%) than that of another cellulolytic species, Ruminococcus albus 7 in substrate-excess coculture, F. succinogenes was replaced by a population of R. albus in the substrate-limited coculture in both coinoculation and challenge experiments. R albus outcompeted F. succinogenes, apparently due to selection in the chemostat of a population of R. albus with a higher affinity for cellobiose. R. albus also outcompeted R. flavefaciens under substrate-limited conditions.
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pubmed:commentsCorrections |
http://linkedlifedata.com/resource/pubmed/commentcorrection/9023951-1514805,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9023951-16345358,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9023951-16347769,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9023951-16347770,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9023951-2036021,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9023951-332677,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9023951-3567745,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9023951-3994365,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9023951-6767274,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9023951-7527201,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9023951-7646013,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9023951-8017905,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9023951-8239881,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9023951-827241,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9023951-8975600,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9023951-9023950
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:chemical |
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pubmed:status |
MEDLINE
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pubmed:month |
Feb
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pubmed:issn |
0099-2240
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pubmed:author |
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pubmed:issnType |
Print
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pubmed:volume |
63
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
743-8
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pubmed:dateRevised |
2010-9-10
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pubmed:meshHeading |
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pubmed:year |
1997
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pubmed:articleTitle |
Competition for cellobiose among three predominant ruminal cellulolytic bacteria under substrate-excess and substrate-limited conditions.
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pubmed:affiliation |
Department of Dairy Science, University of Wisconsin-Madison 53706, USA.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, Non-P.H.S.,
Research Support, Non-U.S. Gov't
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