Interspecific competitive interactions between pairs of fungal species in natural substrates.
Identifieur interne : 001A17 ( PubMed/Corpus ); précédent : 001A16; suivant : 001A18Interspecific competitive interactions between pairs of fungal species in natural substrates.
Auteurs : D A Wardle ; D. Parkinson ; J E WallerSource :
- Oecologia [ 1432-1939 ] ; 1993.
Abstract
The role of interspecific competition in fungal communities in natural substrates is poorly understood because fungi do not form easily definable populations. A new approach to investigating fungal competition, using natural substrates containing a range of known biomass concentrations of each of two species, is described. Relative competitive success of each species is assessed over time in terms of propagule production and substrate colonisation by each species. In an agricultural soil Mucor hiemalis usually out-competed Trichoderma harzianum. After 27 days, the success of both species in the mixtures was independent of the initial biomass concentration of either species, although the success of T. harzianum in these mixtures was substantially inhibited relative to the T. harzianum monocultures. In a forest soil, T. polysporum maintained a competitive advantage over M. hiemalis, and induced M. hiemalis to produce propagules rather than mycelia. Coexistence of both species always occurred in both experiments, and in the forest soil experiment the two-species mixtures all contained a higher total microbial biomass than the monocultures of either species by day 47, suggesting some niche differentiation.
DOI: 10.1007/BF00341313
PubMed: 28314028
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Parkinson</name><affiliation><nlm:affiliation>Department of Biological Sciences, University of Calgary, 2500 University Dr. N.W., T2N 1N4, Calgary, Alberta, Canada.</nlm:affiliation></affiliation></author><author><name sortKey="Waller, J E" sort="Waller, J E" uniqKey="Waller J" first="J E" last="Waller">J E Waller</name><affiliation><nlm:affiliation>Ruakura Agricultural Centre, Private Bag, Hamilton, New Zealand.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="1993">1993</date><idno type="RBID">pubmed:28314028</idno><idno type="pmid">28314028</idno><idno type="doi">10.1007/BF00341313</idno><idno type="wicri:Area/PubMed/Corpus">001A17</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">001A17</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Interspecific competitive interactions between pairs of fungal species in natural substrates.</title><author><name sortKey="Wardle, D A" sort="Wardle, D A" uniqKey="Wardle D" first="D A" last="Wardle">D A Wardle</name><affiliation><nlm:affiliation>Department of Biological Sciences, University of Calgary, 2500 University Dr. N.W., T2N 1N4, Calgary, Alberta, Canada.</nlm:affiliation></affiliation></author><author><name sortKey="Parkinson, D" sort="Parkinson, D" uniqKey="Parkinson D" first="D" last="Parkinson">D. Parkinson</name><affiliation><nlm:affiliation>Department of Biological Sciences, University of Calgary, 2500 University Dr. N.W., T2N 1N4, Calgary, Alberta, Canada.</nlm:affiliation></affiliation></author><author><name sortKey="Waller, J E" sort="Waller, J E" uniqKey="Waller J" first="J E" last="Waller">J E Waller</name><affiliation><nlm:affiliation>Ruakura Agricultural Centre, Private Bag, Hamilton, New Zealand.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Oecologia</title><idno type="eISSN">1432-1939</idno><imprint><date when="1993" type="published">1993</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The role of interspecific competition in fungal communities in natural substrates is poorly understood because fungi do not form easily definable populations. A new approach to investigating fungal competition, using natural substrates containing a range of known biomass concentrations of each of two species, is described. Relative competitive success of each species is assessed over time in terms of propagule production and substrate colonisation by each species. In an agricultural soil Mucor hiemalis usually out-competed Trichoderma harzianum. After 27 days, the success of both species in the mixtures was independent of the initial biomass concentration of either species, although the success of T. harzianum in these mixtures was substantially inhibited relative to the T. harzianum monocultures. In a forest soil, T. polysporum maintained a competitive advantage over M. hiemalis, and induced M. hiemalis to produce propagules rather than mycelia. Coexistence of both species always occurred in both experiments, and in the forest soil experiment the two-species mixtures all contained a higher total microbial biomass than the monocultures of either species by day 47, suggesting some niche differentiation.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">28314028</PMID><DateCreated><Year>2017</Year><Month>03</Month><Day>17</Day></DateCreated><DateRevised><Year>2017</Year><Month>03</Month><Day>17</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1432-1939</ISSN><JournalIssue CitedMedium="Internet"><Volume>94</Volume><Issue>2</Issue><PubDate><Year>1993</Year><Month>May</Month></PubDate></JournalIssue><Title>Oecologia</Title><ISOAbbreviation>Oecologia</ISOAbbreviation></Journal><ArticleTitle>Interspecific competitive interactions between pairs of fungal species in natural substrates.</ArticleTitle><Pagination><MedlinePgn>165-172</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/BF00341313</ELocationID><Abstract><AbstractText>The role of interspecific competition in fungal communities in natural substrates is poorly understood because fungi do not form easily definable populations. A new approach to investigating fungal competition, using natural substrates containing a range of known biomass concentrations of each of two species, is described. Relative competitive success of each species is assessed over time in terms of propagule production and substrate colonisation by each species. In an agricultural soil Mucor hiemalis usually out-competed Trichoderma harzianum. After 27 days, the success of both species in the mixtures was independent of the initial biomass concentration of either species, although the success of T. harzianum in these mixtures was substantially inhibited relative to the T. harzianum monocultures. In a forest soil, T. polysporum maintained a competitive advantage over M. hiemalis, and induced M. hiemalis to produce propagules rather than mycelia. Coexistence of both species always occurred in both experiments, and in the forest soil experiment the two-species mixtures all contained a higher total microbial biomass than the monocultures of either species by day 47, suggesting some niche differentiation.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Wardle</LastName><ForeName>D A</ForeName><Initials>DA</Initials><AffiliationInfo><Affiliation>Department of Biological Sciences, University of Calgary, 2500 University Dr. N.W., T2N 1N4, Calgary, Alberta, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Parkinson</LastName><ForeName>D</ForeName><Initials>D</Initials><AffiliationInfo><Affiliation>Department of Biological Sciences, University of Calgary, 2500 University Dr. N.W., T2N 1N4, Calgary, Alberta, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Waller</LastName><ForeName>J E</ForeName><Initials>JE</Initials><AffiliationInfo><Affiliation>Ruakura Agricultural Centre, Private Bag, Hamilton, New Zealand.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>Germany</Country><MedlineTA>Oecologia</MedlineTA><NlmUniqueID>0150372</NlmUniqueID><ISSNLinking>0029-8549</ISSNLinking></MedlineJournalInfo><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Competition</Keyword><Keyword MajorTopicYN="N">Fungi</Keyword><Keyword MajorTopicYN="N">Microbial ecology</Keyword><Keyword MajorTopicYN="N">Mixture experiment</Keyword><Keyword MajorTopicYN="N">Niche differentiation</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>1992</Year><Month>05</Month><Day>05</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>1992</Year><Month>09</Month><Day>30</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2017</Year><Month>3</Month><Day>18</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>1993</Year><Month>5</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1993</Year><Month>5</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">28314028</ArticleId><ArticleId IdType="doi">10.1007/BF00341313</ArticleId><ArticleId IdType="pii">10.1007/BF00341313</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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