Arbuscular mycorrhizal fungi associated with sedges on the Tibetan plateau.
Identifieur interne : 003371 ( Main/Corpus ); précédent : 003370; suivant : 003372Arbuscular mycorrhizal fungi associated with sedges on the Tibetan plateau.
Auteurs : J P Gai ; X B Cai ; G. Feng ; P. Christie ; X L LiSource :
- Mycorrhiza [ 0940-6360 ] ; 2006.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Soil.
- classification : Cyperaceae, Mycorrhizae.
- isolation & purification : Mycorrhizae.
- microbiology : Cyperaceae, Plant Roots.
- Colony Count, Microbial, Ecosystem, Soil Microbiology, Species Specificity, Tibet.
Abstract
The arbuscular mycorrhizal (AM) status of nine dominant sedge species and the diversity of AM fungi in Tibetan grassland were surveyed in the autumn of 2003 and 2004. Most of the sedge species and ecotypes examined were mycorrhizal, but Carex moorcroftii and Kobresia pusilla were of doubtful AM status, and Kobresia humilis was facultatively mycorrhizal. This is the first report of the mycorrhizal status of eight of the nine sedge species examined. Intraradical vesicles and aseptate hyphae were the structures most frequently observed. Appressoria, coils, and arbuscules were found in the roots of a few sedge species. A strong negative correlation was found between soil organic matter content and the extent of mycorrhizal colonization. Using trap cultures, 26 species of AM fungi belonging to six genera, Glomus, Acaulospora, Paraglomus, Archaeospora, Pacispora, and Scutellospora, were isolated from the soil samples collected. The frequency of occurrence of different taxa of AM fungi varied greatly. Glomus and Acaulospora were the dominant genera, and Acaulospora scrobiculata was the most frequent and abundant species. The species richness of AM fungi was 2.73 in the study area. Species richness and diversity index differed among the sedge species but were not correlated with soil factors such as pH, available P, or organic matter content.
DOI: 10.1007/s00572-005-0031-8
PubMed: 16391933
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pubmed:16391933Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Arbuscular mycorrhizal fungi associated with sedges on the Tibetan plateau.</title><author><name sortKey="Gai, J P" sort="Gai, J P" uniqKey="Gai J" first="J P" last="Gai">J P Gai</name><affiliation><nlm:affiliation>Department of Plant Nutrition, China Agricultural University, 2 Yuanmingyuan Road, Beijing, 94, China.</nlm:affiliation></affiliation></author><author><name sortKey="Cai, X B" sort="Cai, X B" uniqKey="Cai X" first="X B" last="Cai">X B Cai</name><affiliation><nlm:affiliation>College of Agricultural and Animal Husbandry, University of Tibet, Linzhi, 860000, China.</nlm:affiliation></affiliation></author><author><name sortKey="Feng, G" sort="Feng, G" uniqKey="Feng G" first="G" last="Feng">G. Feng</name><affiliation><nlm:affiliation>Department of Plant Nutrition, China Agricultural University, 2 Yuanmingyuan Road, Beijing, 94, China.</nlm:affiliation></affiliation></author><author><name sortKey="Christie, P" sort="Christie, P" uniqKey="Christie P" first="P" last="Christie">P. Christie</name><affiliation><nlm:affiliation>Department of Plant Nutrition, China Agricultural University, 2 Yuanmingyuan Road, Beijing, 94, China.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>Agricultural and Environmental Science Department, Queen's University Belfast, Newforge Lane, Belfast, BT9 5PX, UK.</nlm:affiliation></affiliation></author><author><name sortKey="Li, X L" sort="Li, X L" uniqKey="Li X" first="X L" last="Li">X L Li</name><affiliation><nlm:affiliation>Department of Plant Nutrition, China Agricultural University, 2 Yuanmingyuan Road, Beijing, 94, China. lixl@cau.edu.cn.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2006">2006</date><idno type="RBID">pubmed:16391933</idno><idno type="pmid">16391933</idno><idno type="doi">10.1007/s00572-005-0031-8</idno><idno type="wicri:Area/Main/Corpus">003371</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">003371</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Arbuscular mycorrhizal fungi associated with sedges on the Tibetan plateau.</title><author><name sortKey="Gai, J P" sort="Gai, J P" uniqKey="Gai J" first="J P" last="Gai">J P Gai</name><affiliation><nlm:affiliation>Department of Plant Nutrition, China Agricultural University, 2 Yuanmingyuan Road, Beijing, 94, China.</nlm:affiliation></affiliation></author><author><name sortKey="Cai, X B" sort="Cai, X B" uniqKey="Cai X" first="X B" last="Cai">X B Cai</name><affiliation><nlm:affiliation>College of Agricultural and Animal Husbandry, University of Tibet, Linzhi, 860000, China.</nlm:affiliation></affiliation></author><author><name sortKey="Feng, G" sort="Feng, G" uniqKey="Feng G" first="G" last="Feng">G. Feng</name><affiliation><nlm:affiliation>Department of Plant Nutrition, China Agricultural University, 2 Yuanmingyuan Road, Beijing, 94, China.</nlm:affiliation></affiliation></author><author><name sortKey="Christie, P" sort="Christie, P" uniqKey="Christie P" first="P" last="Christie">P. Christie</name><affiliation><nlm:affiliation>Department of Plant Nutrition, China Agricultural University, 2 Yuanmingyuan Road, Beijing, 94, China.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>Agricultural and Environmental Science Department, Queen's University Belfast, Newforge Lane, Belfast, BT9 5PX, UK.</nlm:affiliation></affiliation></author><author><name sortKey="Li, X L" sort="Li, X L" uniqKey="Li X" first="X L" last="Li">X L Li</name><affiliation><nlm:affiliation>Department of Plant Nutrition, China Agricultural University, 2 Yuanmingyuan Road, Beijing, 94, China. lixl@cau.edu.cn.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Mycorrhiza</title><idno type="ISSN">0940-6360</idno><imprint><date when="2006" type="published">2006</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Colony Count, Microbial (MeSH)</term><term>Cyperaceae (classification)</term><term>Cyperaceae (microbiology)</term><term>Ecosystem (MeSH)</term><term>Mycorrhizae (classification)</term><term>Mycorrhizae (isolation & purification)</term><term>Plant Roots (microbiology)</term><term>Soil (analysis)</term><term>Soil Microbiology (MeSH)</term><term>Species Specificity (MeSH)</term><term>Tibet (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Soil</term></keywords><keywords scheme="MESH" qualifier="classification" xml:lang="en"><term>Cyperaceae</term><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="isolation & purification" xml:lang="en"><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Cyperaceae</term><term>Plant Roots</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Colony Count, Microbial</term><term>Ecosystem</term><term>Soil Microbiology</term><term>Species Specificity</term><term>Tibet</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The arbuscular mycorrhizal (AM) status of nine dominant sedge species and the diversity of AM fungi in Tibetan grassland were surveyed in the autumn of 2003 and 2004. Most of the sedge species and ecotypes examined were mycorrhizal, but Carex moorcroftii and Kobresia pusilla were of doubtful AM status, and Kobresia humilis was facultatively mycorrhizal. This is the first report of the mycorrhizal status of eight of the nine sedge species examined. Intraradical vesicles and aseptate hyphae were the structures most frequently observed. Appressoria, coils, and arbuscules were found in the roots of a few sedge species. A strong negative correlation was found between soil organic matter content and the extent of mycorrhizal colonization. Using trap cultures, 26 species of AM fungi belonging to six genera, Glomus, Acaulospora, Paraglomus, Archaeospora, Pacispora, and Scutellospora, were isolated from the soil samples collected. The frequency of occurrence of different taxa of AM fungi varied greatly. Glomus and Acaulospora were the dominant genera, and Acaulospora scrobiculata was the most frequent and abundant species. The species richness of AM fungi was 2.73 in the study area. Species richness and diversity index differed among the sedge species but were not correlated with soil factors such as pH, available P, or organic matter content.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">16391933</PMID><DateCompleted><Year>2007</Year><Month>03</Month><Day>22</Day></DateCompleted><DateRevised><Year>2018</Year><Month>11</Month><Day>13</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0940-6360</ISSN><JournalIssue CitedMedium="Print"><Volume>16</Volume><Issue>3</Issue><PubDate><Year>2006</Year><Month>May</Month></PubDate></JournalIssue><Title>Mycorrhiza</Title><ISOAbbreviation>Mycorrhiza</ISOAbbreviation></Journal><ArticleTitle>Arbuscular mycorrhizal fungi associated with sedges on the Tibetan plateau.</ArticleTitle><Pagination><MedlinePgn>151-157</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s00572-005-0031-8</ELocationID><Abstract><AbstractText>The arbuscular mycorrhizal (AM) status of nine dominant sedge species and the diversity of AM fungi in Tibetan grassland were surveyed in the autumn of 2003 and 2004. Most of the sedge species and ecotypes examined were mycorrhizal, but Carex moorcroftii and Kobresia pusilla were of doubtful AM status, and Kobresia humilis was facultatively mycorrhizal. This is the first report of the mycorrhizal status of eight of the nine sedge species examined. Intraradical vesicles and aseptate hyphae were the structures most frequently observed. Appressoria, coils, and arbuscules were found in the roots of a few sedge species. A strong negative correlation was found between soil organic matter content and the extent of mycorrhizal colonization. Using trap cultures, 26 species of AM fungi belonging to six genera, Glomus, Acaulospora, Paraglomus, Archaeospora, Pacispora, and Scutellospora, were isolated from the soil samples collected. The frequency of occurrence of different taxa of AM fungi varied greatly. Glomus and Acaulospora were the dominant genera, and Acaulospora scrobiculata was the most frequent and abundant species. The species richness of AM fungi was 2.73 in the study area. Species richness and diversity index differed among the sedge species but were not correlated with soil factors such as pH, available P, or organic matter content.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Gai</LastName><ForeName>J P</ForeName><Initials>JP</Initials><AffiliationInfo><Affiliation>Department of Plant Nutrition, China Agricultural University, 2 Yuanmingyuan Road, Beijing, 94, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Cai</LastName><ForeName>X B</ForeName><Initials>XB</Initials><AffiliationInfo><Affiliation>College of Agricultural and Animal Husbandry, University of Tibet, Linzhi, 860000, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Feng</LastName><ForeName>G</ForeName><Initials>G</Initials><AffiliationInfo><Affiliation>Department of Plant Nutrition, China Agricultural University, 2 Yuanmingyuan Road, Beijing, 94, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Christie</LastName><ForeName>P</ForeName><Initials>P</Initials><AffiliationInfo><Affiliation>Department of Plant Nutrition, China Agricultural University, 2 Yuanmingyuan Road, Beijing, 94, China.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Agricultural and Environmental Science Department, Queen's University Belfast, Newforge Lane, Belfast, BT9 5PX, UK.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>X L</ForeName><Initials>XL</Initials><AffiliationInfo><Affiliation>Department of Plant Nutrition, China Agricultural University, 2 Yuanmingyuan Road, Beijing, 94, China. lixl@cau.edu.cn.</Affiliation></AffiliationInfo></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>2006</Year><Month>01</Month><Day>04</Day></ArticleDate></Article><MedlineJournalInfo><Country>Germany</Country><MedlineTA>Mycorrhiza</MedlineTA><NlmUniqueID>100955036</NlmUniqueID><ISSNLinking>0940-6360</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012987">Soil</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D015169" MajorTopicYN="N">Colony Count, Microbial</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D029785" MajorTopicYN="N">Cyperaceae</DescriptorName><QualifierName UI="Q000145" MajorTopicYN="N">classification</QualifierName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D017753" MajorTopicYN="Y">Ecosystem</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000145" MajorTopicYN="N">classification</QualifierName><QualifierName UI="Q000302" MajorTopicYN="Y">isolation & purification</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012987" MajorTopicYN="N">Soil</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012988" MajorTopicYN="Y">Soil Microbiology</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013045" MajorTopicYN="N">Species Specificity</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018609" MajorTopicYN="N">Tibet</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2005</Year><Month>05</Month><Day>04</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2005</Year><Month>10</Month><Day>28</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2006</Year><Month>1</Month><Day>5</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2007</Year><Month>3</Month><Day>23</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2006</Year><Month>1</Month><Day>5</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">16391933</ArticleId><ArticleId IdType="doi">10.1007/s00572-005-0031-8</ArticleId><ArticleId IdType="pii">10.1007/s00572-005-0031-8</ArticleId></ArticleIdList><ReferenceList><Reference><Citation>Mycorrhiza. 2004 Apr;14(2):65-77</Citation><ArticleIdList><ArticleId IdType="pubmed">14999550</ArticleId></ArticleIdList></Reference><Reference><Citation>J Plant Physiol. 2003 Jun;160(6):615-26</Citation><ArticleIdList><ArticleId IdType="pubmed">12872483</ArticleId></ArticleIdList></Reference><Reference><Citation>Mycorrhiza. 2003 Dec;13(6):289-97</Citation><ArticleIdList><ArticleId IdType="pubmed">14655040</ArticleId></ArticleIdList></Reference><Reference><Citation>Mycorrhiza. 2004 Aug;14(4):277-81</Citation><ArticleIdList><ArticleId IdType="pubmed">15221579</ArticleId></ArticleIdList></Reference><Reference><Citation>Fungal Genet Biol. 1998 Apr;23(3):205-12</Citation><ArticleIdList><ArticleId IdType="pubmed">9693022</ArticleId></ArticleIdList></Reference></ReferenceList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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