Encounter with New Resources Causes Polarized Growth of the Cord-Forming Basidiomycete Phanerochaete velutina on Soil.
Identifieur interne : 000B78 ( Main/Exploration ); précédent : 000B77; suivant : 000B79Encounter with New Resources Causes Polarized Growth of the Cord-Forming Basidiomycete Phanerochaete velutina on Soil.
Auteurs : Wells [Royaume-Uni] ; Harris ; BoddySource :
- Microbial ecology [ 1432-184X ] ; 1998.
Abstract
Abstract The development and physiology of cord-forming saprotrophic basidiomycetes, which form extensive and persistent mycelial networks in woodland ecosystems, can be conveniently studied on non-sterile soil in laboratory microcosms mimicking field conditions. Morphological responses of Phanerochaete velutina mycelial systems to resource encounters, and decay partitioning following encounters, varied according to whether simulated woody litter was unsterile or autoclaved and on whether encounter took place at the mycelial foraging front or behind the margin (simulating litter fall onto established systems in the field). Results show that encounter of discrete resources by P. velutina is rapidly communicated to the entire mycelial system; that resource capture takes high priority at the expense of continued system extension and decay-derived carbon reallocation; and that polarized growth toward newly encountered resources, previously considered to occur infrequently with this species, may be readily detected using image analysis techniques. Potential advantages of polarized development of P. velutina are discussed.
DOI: 10.1007/s002489900123
PubMed: 9852516
Affiliations:
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Morphological responses of Phanerochaete velutina mycelial systems to resource encounters, and decay partitioning following encounters, varied according to whether simulated woody litter was unsterile or autoclaved and on whether encounter took place at the mycelial foraging front or behind the margin (simulating litter fall onto established systems in the field). Results show that encounter of discrete resources by P. velutina is rapidly communicated to the entire mycelial system; that resource capture takes high priority at the expense of continued system extension and decay-derived carbon reallocation; and that polarized growth toward newly encountered resources, previously considered to occur infrequently with this species, may be readily detected using image analysis techniques. Potential advantages of polarized development of P. velutina are discussed.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">9852516</PMID><DateRevised><Year>2019</Year><Month>11</Month><Day>20</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1432-184X</ISSN><JournalIssue CitedMedium="Internet"><Volume>36</Volume><Issue>3</Issue><PubDate><Year>1998</Year><Month>Nov</Month></PubDate></JournalIssue><Title>Microbial ecology</Title><ISOAbbreviation>Microb Ecol</ISOAbbreviation></Journal><ArticleTitle>Encounter with New Resources Causes Polarized Growth of the Cord-Forming Basidiomycete Phanerochaete velutina on Soil.</ArticleTitle><Pagination><MedlinePgn>372-382</MedlinePgn></Pagination><Abstract><AbstractText>Abstract The development and physiology of cord-forming saprotrophic basidiomycetes, which form extensive and persistent mycelial networks in woodland ecosystems, can be conveniently studied on non-sterile soil in laboratory microcosms mimicking field conditions. Morphological responses of Phanerochaete velutina mycelial systems to resource encounters, and decay partitioning following encounters, varied according to whether simulated woody litter was unsterile or autoclaved and on whether encounter took place at the mycelial foraging front or behind the margin (simulating litter fall onto established systems in the field). Results show that encounter of discrete resources by P. velutina is rapidly communicated to the entire mycelial system; that resource capture takes high priority at the expense of continued system extension and decay-derived carbon reallocation; and that polarized growth toward newly encountered resources, previously considered to occur infrequently with this species, may be readily detected using image analysis techniques. Potential advantages of polarized development of P. velutina are discussed.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Wells</LastName><Initials>JM</Initials><AffiliationInfo><Affiliation>School of Pure and Applied Biology, University of Wales, Cardiff, PO Box 915, Cardiff CF1 3TL, UK</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Harris</LastName><Initials>MJ</Initials></Author><Author ValidYN="Y"><LastName>Boddy</LastName><Initials>L</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Microb Ecol</MedlineTA><NlmUniqueID>7500663</NlmUniqueID><ISSNLinking>0095-3628</ISSNLinking></MedlineJournalInfo></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1998</Year><Month>12</Month><Day>16</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1998</Year><Month>12</Month><Day>16</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1998</Year><Month>12</Month><Day>16</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">9852516</ArticleId><ArticleId IdType="pii">MECOJKF98-23</ArticleId><ArticleId IdType="doi">10.1007/s002489900123</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Royaume-Uni</li></country></list><tree><noCountry><name sortKey="Boddy" sort="Boddy" uniqKey="Boddy" last="Boddy">Boddy</name><name sortKey="Harris" sort="Harris" uniqKey="Harris" last="Harris">Harris</name></noCountry><country name="Royaume-Uni"><noRegion><name sortKey="Wells" sort="Wells" uniqKey="Wells" last="Wells">Wells</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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