Tolerance of ectomycorrhizal fungus mycelium to low temperature and freezing-thawing.
Identifieur interne : 002340 ( Main/Corpus ); précédent : 002339; suivant : 002341Tolerance of ectomycorrhizal fungus mycelium to low temperature and freezing-thawing.
Auteurs : Dalong Ma ; Guoting Yang ; Liqiang Mu ; Chun LiSource :
- Canadian journal of microbiology [ 1480-3275 ] ; 2011.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Electrolytes.
- growth & development : Mycelium, Mycorrhizae.
- physiology : Mycorrhizae.
- Cold Temperature, Freezing, Time Factors.
Abstract
Very little is known about the tolerance of ectomycorrhizal fungi to the freezing and repetitive freezing-thawing in northern coniferous forests. Isolates of Cortinarius multiformis , Russula densifolia , Suillus granulatus , and Lactarius deliciosus were exposed to a series of temperatures between +4 and -40 °C. The relative electrolyte leakage test indicated that the lethal temperature for 50% of samples was between -7.6 and -13.7 °C. Resume growth experiments showed that the 4 species of ectomycorrhizal fungi had a relatively high tolerance to the low temperatures, with L. deliciosus having the highest tolerance and C. multiformis the lowest. The repeated freezing-thawing delayed the growth of mycelium, which decreased with an increase in the number of freeze-thaw cycles.
DOI: 10.1139/w11-001
PubMed: 21491984
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pubmed:21491984Le document en format XML
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Isolates of Cortinarius multiformis , Russula densifolia , Suillus granulatus , and Lactarius deliciosus were exposed to a series of temperatures between +4 and -40 °C. The relative electrolyte leakage test indicated that the lethal temperature for 50% of samples was between -7.6 and -13.7 °C. Resume growth experiments showed that the 4 species of ectomycorrhizal fungi had a relatively high tolerance to the low temperatures, with L. deliciosus having the highest tolerance and C. multiformis the lowest. The repeated freezing-thawing delayed the growth of mycelium, which decreased with an increase in the number of freeze-thaw cycles.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Curated" Owner="NLM"><PMID Version="1">21491984</PMID><DateCompleted><Year>2012</Year><Month>01</Month><Day>23</Day></DateCompleted><DateRevised><Year>2018</Year><Month>12</Month><Day>01</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1480-3275</ISSN><JournalIssue CitedMedium="Internet"><Volume>57</Volume><Issue>4</Issue><PubDate><Year>2011</Year><Month>Apr</Month></PubDate></JournalIssue><Title>Canadian journal of microbiology</Title><ISOAbbreviation>Can J Microbiol</ISOAbbreviation></Journal><ArticleTitle>Tolerance of ectomycorrhizal fungus mycelium to low temperature and freezing-thawing.</ArticleTitle><Pagination><MedlinePgn>328-32</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1139/w11-001</ELocationID><Abstract><AbstractText>Very little is known about the tolerance of ectomycorrhizal fungi to the freezing and repetitive freezing-thawing in northern coniferous forests. Isolates of Cortinarius multiformis , Russula densifolia , Suillus granulatus , and Lactarius deliciosus were exposed to a series of temperatures between +4 and -40 °C. The relative electrolyte leakage test indicated that the lethal temperature for 50% of samples was between -7.6 and -13.7 °C. Resume growth experiments showed that the 4 species of ectomycorrhizal fungi had a relatively high tolerance to the low temperatures, with L. deliciosus having the highest tolerance and C. multiformis the lowest. The repeated freezing-thawing delayed the growth of mycelium, which decreased with an increase in the number of freeze-thaw cycles.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Ma</LastName><ForeName>Dalong</ForeName><Initials>D</Initials><AffiliationInfo><Affiliation>College of Forestry, Northeast Forestry University, Harbin, Heilongjiang Province, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Yang</LastName><ForeName>Guoting</ForeName><Initials>G</Initials></Author><Author ValidYN="Y"><LastName>Mu</LastName><ForeName>Liqiang</ForeName><Initials>L</Initials></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Chun</ForeName><Initials>C</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></Article><MedlineJournalInfo><Country>Canada</Country><MedlineTA>Can J Microbiol</MedlineTA><NlmUniqueID>0372707</NlmUniqueID><ISSNLinking>0008-4166</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D004573">Electrolytes</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D003080" MajorTopicYN="Y">Cold Temperature</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D004573" MajorTopicYN="N">Electrolytes</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005615" MajorTopicYN="Y">Freezing</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D025282" MajorTopicYN="N">Mycelium</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013997" MajorTopicYN="N">Time Factors</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2011</Year><Month>4</Month><Day>16</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2011</Year><Month>4</Month><Day>16</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2012</Year><Month>1</Month><Day>24</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">21491984</ArticleId><ArticleId IdType="doi">10.1139/w11-001</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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