Responses of arbuscular mycorrhizal symbionts to contrasting environments: field evidence along a Tibetan elevation gradient.
Identifieur interne : 001106 ( Main/Corpus ); précédent : 001105; suivant : 001107Responses of arbuscular mycorrhizal symbionts to contrasting environments: field evidence along a Tibetan elevation gradient.
Auteurs : Rong Yang ; Shuming Li ; Xiaobu Cai ; Xiaolin Li ; Peter Christie ; Junling Zhang ; Jingping GaiSource :
- Mycorrhiza [ 1432-1890 ] ; 2016.
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Soil.
- growth & development : Plant Components, Aerial, Plant Roots.
- microbiology : Plant Roots, Plants.
- physiology : Mycorrhizae.
- Adaptation, Physiological, Altitude, Biomass, Ecosystem, Tibet.
Abstract
Plant adaptation to alpine ecosystems is not fully explained by plant physiological and morphological traits. Arbuscular mycorrhizal (AM) associations may be involved in mediating plant performance in response to environmental differences. Little is known, however, as to whether or not a close relationship exists between plant performance and arbuscular mycorrhizal fungus status across environmental gradients. We conducted a field investigation of the performance of six plant species and their associated AM fungi along higher and lower elevation gradients on Mount Segrila in Tibet. In most of our species, we observed higher shoot and inflorescence biomass production and a lower root-to-shoot ratio in the populations at those sites where the species was dominant (intermediate elevation sites) than in populations sampled at the limits of the distribution. The elevation pattern of root colonization differed with plant species on both gradients, and the extraradical hypha development of most species showed a unimodal pattern as did plant growth. The relationship between plant and fungus traits shows that AM fungus development generally matched host plant performance on the lower elevation gradient but not on the higher elevation gradient. This study provides evidence that plant distribution and productivity were significantly related to root and soil colonization by AM fungi, especially under less physically stressful conditions.
DOI: 10.1007/s00572-016-0701-8
PubMed: 27095656
Links to Exploration step
pubmed:27095656Le document en format XML
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China.</nlm:affiliation></affiliation></author><author><name sortKey="Li, Xiaolin" sort="Li, Xiaolin" uniqKey="Li X" first="Xiaolin" last="Li">Xiaolin Li</name><affiliation><nlm:affiliation>College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China.</nlm:affiliation></affiliation></author><author><name sortKey="Christie, Peter" sort="Christie, Peter" uniqKey="Christie P" first="Peter" last="Christie">Peter Christie</name><affiliation><nlm:affiliation>College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China.</nlm:affiliation></affiliation></author><author><name sortKey="Zhang, Junling" sort="Zhang, Junling" uniqKey="Zhang J" first="Junling" last="Zhang">Junling Zhang</name><affiliation><nlm:affiliation>College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China.</nlm:affiliation></affiliation></author><author><name sortKey="Gai, Jingping" sort="Gai, Jingping" uniqKey="Gai J" first="Jingping" last="Gai">Jingping Gai</name><affiliation><nlm:affiliation>College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China. gaijp@cau.edu.cn.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2016">2016</date><idno type="RBID">pubmed:27095656</idno><idno type="pmid">27095656</idno><idno type="doi">10.1007/s00572-016-0701-8</idno><idno type="wicri:Area/Main/Corpus">001106</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">001106</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Responses of arbuscular mycorrhizal symbionts to contrasting environments: field evidence along a Tibetan elevation gradient.</title><author><name sortKey="Yang, Rong" sort="Yang, Rong" uniqKey="Yang R" first="Rong" last="Yang">Rong Yang</name><affiliation><nlm:affiliation>College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China.</nlm:affiliation></affiliation></author><author><name sortKey="Li, Shuming" sort="Li, Shuming" uniqKey="Li S" first="Shuming" last="Li">Shuming Li</name><affiliation><nlm:affiliation>College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China.</nlm:affiliation></affiliation></author><author><name sortKey="Cai, Xiaobu" sort="Cai, Xiaobu" uniqKey="Cai X" first="Xiaobu" last="Cai">Xiaobu Cai</name><affiliation><nlm:affiliation>Tibet Agricultural and Animal Husbandry College, Tibet University, Linzhi, 860000, China.</nlm:affiliation></affiliation></author><author><name sortKey="Li, Xiaolin" sort="Li, Xiaolin" uniqKey="Li X" first="Xiaolin" last="Li">Xiaolin Li</name><affiliation><nlm:affiliation>College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China.</nlm:affiliation></affiliation></author><author><name sortKey="Christie, Peter" sort="Christie, Peter" uniqKey="Christie P" first="Peter" last="Christie">Peter Christie</name><affiliation><nlm:affiliation>College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China.</nlm:affiliation></affiliation></author><author><name sortKey="Zhang, Junling" sort="Zhang, Junling" uniqKey="Zhang J" first="Junling" last="Zhang">Junling Zhang</name><affiliation><nlm:affiliation>College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China.</nlm:affiliation></affiliation></author><author><name sortKey="Gai, Jingping" sort="Gai, Jingping" uniqKey="Gai J" first="Jingping" last="Gai">Jingping Gai</name><affiliation><nlm:affiliation>College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China. gaijp@cau.edu.cn.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Mycorrhiza</title><idno type="eISSN">1432-1890</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adaptation, Physiological (MeSH)</term><term>Altitude (MeSH)</term><term>Biomass (MeSH)</term><term>Ecosystem (MeSH)</term><term>Mycorrhizae (physiology)</term><term>Plant Components, Aerial (growth & development)</term><term>Plant Roots (growth & development)</term><term>Plant Roots (microbiology)</term><term>Plants (microbiology)</term><term>Soil (chemistry)</term><term>Tibet (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Soil</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Plant Components, Aerial</term><term>Plant Roots</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plant Roots</term><term>Plants</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Mycorrhizae</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adaptation, Physiological</term><term>Altitude</term><term>Biomass</term><term>Ecosystem</term><term>Tibet</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Plant adaptation to alpine ecosystems is not fully explained by plant physiological and morphological traits. Arbuscular mycorrhizal (AM) associations may be involved in mediating plant performance in response to environmental differences. Little is known, however, as to whether or not a close relationship exists between plant performance and arbuscular mycorrhizal fungus status across environmental gradients. We conducted a field investigation of the performance of six plant species and their associated AM fungi along higher and lower elevation gradients on Mount Segrila in Tibet. In most of our species, we observed higher shoot and inflorescence biomass production and a lower root-to-shoot ratio in the populations at those sites where the species was dominant (intermediate elevation sites) than in populations sampled at the limits of the distribution. The elevation pattern of root colonization differed with plant species on both gradients, and the extraradical hypha development of most species showed a unimodal pattern as did plant growth. The relationship between plant and fungus traits shows that AM fungus development generally matched host plant performance on the lower elevation gradient but not on the higher elevation gradient. This study provides evidence that plant distribution and productivity were significantly related to root and soil colonization by AM fungi, especially under less physically stressful conditions. </div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">27095656</PMID><DateCompleted><Year>2017</Year><Month>02</Month><Day>22</Day></DateCompleted><DateRevised><Year>2018</Year><Month>11</Month><Day>13</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1432-1890</ISSN><JournalIssue CitedMedium="Internet"><Volume>26</Volume><Issue>7</Issue><PubDate><Year>2016</Year><Month>Oct</Month></PubDate></JournalIssue><Title>Mycorrhiza</Title><ISOAbbreviation>Mycorrhiza</ISOAbbreviation></Journal><ArticleTitle>Responses of arbuscular mycorrhizal symbionts to contrasting environments: field evidence along a Tibetan elevation gradient.</ArticleTitle><Pagination><MedlinePgn>623-32</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s00572-016-0701-8</ELocationID><Abstract><AbstractText>Plant adaptation to alpine ecosystems is not fully explained by plant physiological and morphological traits. Arbuscular mycorrhizal (AM) associations may be involved in mediating plant performance in response to environmental differences. Little is known, however, as to whether or not a close relationship exists between plant performance and arbuscular mycorrhizal fungus status across environmental gradients. We conducted a field investigation of the performance of six plant species and their associated AM fungi along higher and lower elevation gradients on Mount Segrila in Tibet. In most of our species, we observed higher shoot and inflorescence biomass production and a lower root-to-shoot ratio in the populations at those sites where the species was dominant (intermediate elevation sites) than in populations sampled at the limits of the distribution. The elevation pattern of root colonization differed with plant species on both gradients, and the extraradical hypha development of most species showed a unimodal pattern as did plant growth. The relationship between plant and fungus traits shows that AM fungus development generally matched host plant performance on the lower elevation gradient but not on the higher elevation gradient. This study provides evidence that plant distribution and productivity were significantly related to root and soil colonization by AM fungi, especially under less physically stressful conditions. </AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Yang</LastName><ForeName>Rong</ForeName><Initials>R</Initials><AffiliationInfo><Affiliation>College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Shuming</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Cai</LastName><ForeName>Xiaobu</ForeName><Initials>X</Initials><AffiliationInfo><Affiliation>Tibet Agricultural and Animal Husbandry College, Tibet University, Linzhi, 860000, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Xiaolin</ForeName><Initials>X</Initials><AffiliationInfo><Affiliation>College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Christie</LastName><ForeName>Peter</ForeName><Initials>P</Initials><AffiliationInfo><Affiliation>College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>Junling</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Gai</LastName><ForeName>Jingping</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China. gaijp@cau.edu.cn.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2016</Year><Month>04</Month><Day>19</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="D000222" MajorTopicYN="N">Adaptation, Physiological</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000531" MajorTopicYN="Y">Altitude</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018533" MajorTopicYN="N">Biomass</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017753" MajorTopicYN="Y">Ecosystem</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D035261" MajorTopicYN="N">Plant Components, Aerial</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010944" MajorTopicYN="N">Plants</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012987" 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