Associations between arbuscular mycorrhizal fungi and grasses in the successional context of a two-phase mosaic in the Chihuahuan Desert.
Identifieur interne : 003296 ( Main/Corpus ); précédent : 003295; suivant : 003297Associations between arbuscular mycorrhizal fungi and grasses in the successional context of a two-phase mosaic in the Chihuahuan Desert.
Auteurs : Fabiana Pezzani ; Carlos Monta A ; Roger GuevaraSource :
- Mycorrhiza [ 0940-6360 ] ; 2006.
English descriptors
- KwdEn :
- MESH :
- geographic : Mexico.
- growth & development : Poaceae.
- isolation & purification : Mycorrhizae.
- microbiology : Poaceae.
- physiology : Mycorrhizae.
- Biomass, Colony Count, Microbial, Desert Climate.
Abstract
The hypothesis that plant species are more responsive to mycorrhiza in late than in early successional stages was assessed in grasses from a successional process occurring in two-phase mosaics from the Mexican Chihuahuan Desert. We estimated the density of spores of arbuscular mycorrhizal (AM) fungi and the AM colonization of pioneer and late-successional grasses in the field. In growth chamber experiments, we tested the effect of the native AM fungal community on grasses growing in soils from different successional stages. Spore density was higher in late than in early successional stages. Late-successional species were more responsive to AM (positive AM responsiveness) whereas pioneer species were nondependent on mycorrhiza or if associated to AM fungi, the interaction showed a negative AM responsiveness for the seedling stage. Our findings showed that late successional species fitted the proposed models of mycorrhizal performance, but the two pioneer species differed in their AM condition and responsiveness. This further supports the idea that AM interactions are more complex along the successional processes than the predictions of the more widely cited hypotheses.
DOI: 10.1007/s00572-006-0044-y
PubMed: 16614817
Links to Exploration step
pubmed:16614817Le document en format XML
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C, Km 2.5 Carretera Antigua a Coatepec Apartado Postal 63, Xalapa, Veracruz, México. montana@ecologia.edu.mx.</nlm:affiliation></affiliation></author><author><name sortKey="Guevara, Roger" sort="Guevara, Roger" uniqKey="Guevara R" first="Roger" last="Guevara">Roger Guevara</name><affiliation><nlm:affiliation>Departamento de Biología Evolutiva, Instituto de Ecología A. 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C, Km 2.5 Carretera Antigua a Coatepec Apartado Postal 63, Xalapa, Veracruz, México.</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>Biomass (MeSH)</term><term>Colony Count, Microbial (MeSH)</term><term>Desert Climate (MeSH)</term><term>Mexico (MeSH)</term><term>Mycorrhizae (isolation & purification)</term><term>Mycorrhizae (physiology)</term><term>Poaceae (growth & development)</term><term>Poaceae (microbiology)</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>Mexico</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Poaceae</term></keywords><keywords scheme="MESH" qualifier="isolation & purification" xml:lang="en"><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Poaceae</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Mycorrhizae</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biomass</term><term>Colony Count, Microbial</term><term>Desert Climate</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The hypothesis that plant species are more responsive to mycorrhiza in late than in early successional stages was assessed in grasses from a successional process occurring in two-phase mosaics from the Mexican Chihuahuan Desert. We estimated the density of spores of arbuscular mycorrhizal (AM) fungi and the AM colonization of pioneer and late-successional grasses in the field. In growth chamber experiments, we tested the effect of the native AM fungal community on grasses growing in soils from different successional stages. Spore density was higher in late than in early successional stages. Late-successional species were more responsive to AM (positive AM responsiveness) whereas pioneer species were nondependent on mycorrhiza or if associated to AM fungi, the interaction showed a negative AM responsiveness for the seedling stage. Our findings showed that late successional species fitted the proposed models of mycorrhizal performance, but the two pioneer species differed in their AM condition and responsiveness. This further supports the idea that AM interactions are more complex along the successional processes than the predictions of the more widely cited hypotheses.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">16614817</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>4</Issue><PubDate><Year>2006</Year><Month>Jun</Month></PubDate></JournalIssue><Title>Mycorrhiza</Title><ISOAbbreviation>Mycorrhiza</ISOAbbreviation></Journal><ArticleTitle>Associations between arbuscular mycorrhizal fungi and grasses in the successional context of a two-phase mosaic in the Chihuahuan Desert.</ArticleTitle><Pagination><MedlinePgn>285-295</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s00572-006-0044-y</ELocationID><Abstract><AbstractText>The hypothesis that plant species are more responsive to mycorrhiza in late than in early successional stages was assessed in grasses from a successional process occurring in two-phase mosaics from the Mexican Chihuahuan Desert. We estimated the density of spores of arbuscular mycorrhizal (AM) fungi and the AM colonization of pioneer and late-successional grasses in the field. In growth chamber experiments, we tested the effect of the native AM fungal community on grasses growing in soils from different successional stages. Spore density was higher in late than in early successional stages. Late-successional species were more responsive to AM (positive AM responsiveness) whereas pioneer species were nondependent on mycorrhiza or if associated to AM fungi, the interaction showed a negative AM responsiveness for the seedling stage. Our findings showed that late successional species fitted the proposed models of mycorrhizal performance, but the two pioneer species differed in their AM condition and responsiveness. This further supports the idea that AM interactions are more complex along the successional processes than the predictions of the more widely cited hypotheses.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Pezzani</LastName><ForeName>Fabiana</ForeName><Initials>F</Initials><AffiliationInfo><Affiliation>Departamento de Biología Evolutiva, Instituto de Ecología A. C, Km 2.5 Carretera Antigua a Coatepec Apartado Postal 63, Xalapa, Veracruz, México.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Montaña</LastName><ForeName>Carlos</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>Departamento de Biología Evolutiva, Instituto de Ecología A. C, Km 2.5 Carretera Antigua a Coatepec Apartado Postal 63, Xalapa, Veracruz, México. montana@ecologia.edu.mx.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Guevara</LastName><ForeName>Roger</ForeName><Initials>R</Initials><AffiliationInfo><Affiliation>Departamento de Biología Evolutiva, Instituto de Ecología A. C, Km 2.5 Carretera Antigua a Coatepec Apartado Postal 63, Xalapa, Veracruz, México.</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>04</Month><Day>14</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="D018533" MajorTopicYN="N">Biomass</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D015169" MajorTopicYN="N">Colony Count, Microbial</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003889" MajorTopicYN="N">Desert Climate</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008800" MajorTopicYN="N" Type="Geographic">Mexico</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000302" MajorTopicYN="N">isolation & purification</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006109" MajorTopicYN="N">Poaceae</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2005</Year><Month>06</Month><Day>23</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2006</Year><Month>01</Month><Day>10</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2006</Year><Month>4</Month><Day>15</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>4</Month><Day>15</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">16614817</ArticleId><ArticleId IdType="doi">10.1007/s00572-006-0044-y</ArticleId><ArticleId IdType="pii">10.1007/s00572-006-0044-y</ArticleId></ArticleIdList><ReferenceList><Reference><Citation>Mycorrhiza. 2003 Apr;13(2):77-83</Citation><ArticleIdList><ArticleId IdType="pubmed">12682829</ArticleId></ArticleIdList></Reference><Reference><Citation>Mycorrhiza. 2003 Jun;13(3):129-36</Citation><ArticleIdList><ArticleId IdType="pubmed">12836080</ArticleId></ArticleIdList></Reference><Reference><Citation>Am J Bot. 1998 Dec;85(12):1732-8</Citation><ArticleIdList><ArticleId IdType="pubmed">21680333</ArticleId></ArticleIdList></Reference></ReferenceList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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