Colonization of roots by arbuscular mycorrhizal fungi using different sources of inoculum.
Identifieur interne : 003A31 ( Main/Corpus ); précédent : 003A30; suivant : 003A32Colonization of roots by arbuscular mycorrhizal fungi using different sources of inoculum.
Auteurs : John N. Klironomos ; Miranda M. HartSource :
- Mycorrhiza [ 0940-6360 ] ; 2002.
English descriptors
- KwdEn :
- MESH :
- microbiology : Plant Roots.
- physiology : Ascomycota, Fungi, Mycorrhizae.
- Species Specificity.
Abstract
Arbuscular mycorrhizal fungi (AMF) form a number of different infective propagules that are used to form new mycorrhizal associations. These are spores, extraradical hyphae and infected roots. However, not all fungi are equally capable of colonizing roots with all of the above-mentioned propagules and there is conflicting evidence of major differences in colonization strategy between members of the Glomineae and Gigasporineae. In this study, we tested the abilities of eight fungal species from four different genera to colonize roots using three different types of inoculum. Glomus and Acaulospora isolates colonized from all inoculum types, whereas Gigaspora and Scutellospora isolates colonized mainly from spores and to a limited degree from root fragments. Extraradical hyphae were not suitable propagules for the species of Gigaspora and Scutellospora tested. This indicates that AMF have different colonization strategies and that this is largely differentiated at the suborder level. It is unclear why there is such a difference among the fungi in inoculum types. Future research should examine differences in the anatomy and physiology to discern a mechanism for such differences in life-history strategies.
DOI: 10.1007/s00572-002-0169-6
PubMed: 12189472
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pubmed:12189472Le document en format XML
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Hart</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2002">2002</date><idno type="RBID">pubmed:12189472</idno><idno type="pmid">12189472</idno><idno type="doi">10.1007/s00572-002-0169-6</idno><idno type="wicri:Area/Main/Corpus">003A31</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">003A31</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Colonization of roots by arbuscular mycorrhizal fungi using different sources of inoculum.</title><author><name sortKey="Klironomos, John N" sort="Klironomos, John N" uniqKey="Klironomos J" first="John N" last="Klironomos">John N. Klironomos</name><affiliation><nlm:affiliation>Department of Botany, University of Guelph, Guelph, Ontario, Canada N1G 2W1. jklirono@uoguelph.ca</nlm:affiliation></affiliation></author><author><name sortKey="Hart, Miranda M" sort="Hart, Miranda M" uniqKey="Hart M" first="Miranda M" last="Hart">Miranda M. Hart</name></author></analytic><series><title level="j">Mycorrhiza</title><idno type="ISSN">0940-6360</idno><imprint><date when="2002" type="published">2002</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Ascomycota (physiology)</term><term>Fungi (physiology)</term><term>Mycorrhizae (physiology)</term><term>Plant Roots (microbiology)</term><term>Species Specificity (MeSH)</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plant Roots</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Ascomycota</term><term>Fungi</term><term>Mycorrhizae</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Species Specificity</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Arbuscular mycorrhizal fungi (AMF) form a number of different infective propagules that are used to form new mycorrhizal associations. These are spores, extraradical hyphae and infected roots. However, not all fungi are equally capable of colonizing roots with all of the above-mentioned propagules and there is conflicting evidence of major differences in colonization strategy between members of the Glomineae and Gigasporineae. In this study, we tested the abilities of eight fungal species from four different genera to colonize roots using three different types of inoculum. Glomus and Acaulospora isolates colonized from all inoculum types, whereas Gigaspora and Scutellospora isolates colonized mainly from spores and to a limited degree from root fragments. Extraradical hyphae were not suitable propagules for the species of Gigaspora and Scutellospora tested. This indicates that AMF have different colonization strategies and that this is largely differentiated at the suborder level. It is unclear why there is such a difference among the fungi in inoculum types. Future research should examine differences in the anatomy and physiology to discern a mechanism for such differences in life-history strategies.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">12189472</PMID><DateCompleted><Year>2003</Year><Month>02</Month><Day>06</Day></DateCompleted><DateRevised><Year>2008</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0940-6360</ISSN><JournalIssue CitedMedium="Print"><Volume>12</Volume><Issue>4</Issue><PubDate><Year>2002</Year><Month>Aug</Month></PubDate></JournalIssue><Title>Mycorrhiza</Title><ISOAbbreviation>Mycorrhiza</ISOAbbreviation></Journal><ArticleTitle>Colonization of roots by arbuscular mycorrhizal fungi using different sources of inoculum.</ArticleTitle><Pagination><MedlinePgn>181-4</MedlinePgn></Pagination><Abstract><AbstractText>Arbuscular mycorrhizal fungi (AMF) form a number of different infective propagules that are used to form new mycorrhizal associations. These are spores, extraradical hyphae and infected roots. However, not all fungi are equally capable of colonizing roots with all of the above-mentioned propagules and there is conflicting evidence of major differences in colonization strategy between members of the Glomineae and Gigasporineae. In this study, we tested the abilities of eight fungal species from four different genera to colonize roots using three different types of inoculum. Glomus and Acaulospora isolates colonized from all inoculum types, whereas Gigaspora and Scutellospora isolates colonized mainly from spores and to a limited degree from root fragments. Extraradical hyphae were not suitable propagules for the species of Gigaspora and Scutellospora tested. This indicates that AMF have different colonization strategies and that this is largely differentiated at the suborder level. It is unclear why there is such a difference among the fungi in inoculum types. Future research should examine differences in the anatomy and physiology to discern a mechanism for such differences in life-history strategies.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Klironomos</LastName><ForeName>John N</ForeName><Initials>JN</Initials><AffiliationInfo><Affiliation>Department of Botany, University of Guelph, Guelph, Ontario, Canada N1G 2W1. jklirono@uoguelph.ca</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hart</LastName><ForeName>Miranda M</ForeName><Initials>MM</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2002</Year><Month>04</Month><Day>24</Day></ArticleDate></Article><MedlineJournalInfo><Country>Germany</Country><MedlineTA>Mycorrhiza</MedlineTA><NlmUniqueID>100955036</NlmUniqueID><ISSNLinking>0940-6360</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D001203" MajorTopicYN="N">Ascomycota</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005658" MajorTopicYN="N">Fungi</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013045" MajorTopicYN="N">Species Specificity</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2001</Year><Month>11</Month><Day>27</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2002</Year><Month>03</Month><Day>08</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2002</Year><Month>8</Month><Day>22</Day><Hour>10</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2003</Year><Month>2</Month><Day>7</Day><Hour>4</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2002</Year><Month>8</Month><Day>22</Day><Hour>10</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">12189472</ArticleId><ArticleId IdType="doi">10.1007/s00572-002-0169-6</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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