Differential responses of arbuscular mycorrhizal fungi to nitrogen addition in a near pristine Tibetan alpine meadow.
Identifieur interne : 001850 ( Main/Corpus ); précédent : 001849; suivant : 001851Differential responses of arbuscular mycorrhizal fungi to nitrogen addition in a near pristine Tibetan alpine meadow.
Auteurs : Yong Zheng ; Yong-Chan Kim ; Xiao-Fang Tian ; Liang Chen ; Wei Yang ; Cheng Gao ; Ming-Hua Song ; Xing-Liang Xu ; Liang-Dong GuoSource :
- FEMS microbiology ecology [ 1574-6941 ] ; 2014.
English descriptors
- KwdEn :
- Fungi (classification), Fungi (growth & development), Fungi (isolation & purification), Fungi (metabolism), Grassland (MeSH), Hyphae (growth & development), Mycorrhizae (classification), Mycorrhizae (growth & development), Mycorrhizae (isolation & purification), Mycorrhizae (metabolism), Nitrogen (metabolism), Soil Microbiology (MeSH), Spores, Fungal (growth & development), Tibet (MeSH).
- MESH :
- chemical , metabolism : Nitrogen.
- classification : Fungi, Mycorrhizae.
- growth & development : Fungi, Hyphae, Mycorrhizae, Spores, Fungal.
- isolation & purification : Fungi, Mycorrhizae.
- metabolism : Fungi, Mycorrhizae.
- Grassland, Soil Microbiology, Tibet.
Abstract
Elucidating the responses of soil microbial abundance and community composition to nitrogen (N) addition is important for predicting ecosystem function under increased atmospheric N deposition. We examined the arbuscular mycorrhizal (AM) fungal community under three N forms (NH4(+)-N, NO3(-)-N, and NH4NO3-N) and two N rates (1.5 and 7.5 g N m(-2) year(-1)) in an alpine meadow of the Qinghai-Tibetan Plateau. AM fungal extraradical hyphal density was significantly decreased by NH4(+)-N in May, but was not affected by N form nor N rate in August. N rate, but not N form, significantly affected AM fungal spore density; high N rate decreased spore density. No direct N addition effect was observed on AM fungal community; however, soil available phosphorus, pH, and NO3(-)-N were considered as important factors that influenced AM fungal community composition. Structural equation model results showed that N rate, not N form, strongly affected soil characteristics, which directly influenced community compositions of plants and AM fungi, as well as spore density. Therefore, AM fungal community was influenced by N addition, primarily because of altered soil characteristics, and partially by a modified plant community, but not or just slightly by direct N addition effects in this alpine meadow ecosystem.
DOI: 10.1111/1574-6941.12361
PubMed: 24890754
Links to Exploration step
pubmed:24890754Le document en format XML
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Yang</name></author><author><name sortKey="Gao, Cheng" sort="Gao, Cheng" uniqKey="Gao C" first="Cheng" last="Gao">Cheng Gao</name></author><author><name sortKey="Song, Ming Hua" sort="Song, Ming Hua" uniqKey="Song M" first="Ming-Hua" last="Song">Ming-Hua Song</name></author><author><name sortKey="Xu, Xing Liang" sort="Xu, Xing Liang" uniqKey="Xu X" first="Xing-Liang" last="Xu">Xing-Liang Xu</name></author><author><name sortKey="Guo, Liang Dong" sort="Guo, Liang Dong" uniqKey="Guo L" first="Liang-Dong" last="Guo">Liang-Dong Guo</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2014">2014</date><idno type="RBID">pubmed:24890754</idno><idno type="pmid">24890754</idno><idno type="doi">10.1111/1574-6941.12361</idno><idno type="wicri:Area/Main/Corpus">001850</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">001850</idno></publicationStmt><sourceDesc><biblStruct><analytic><title 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uniqKey="Gao C" first="Cheng" last="Gao">Cheng Gao</name></author><author><name sortKey="Song, Ming Hua" sort="Song, Ming Hua" uniqKey="Song M" first="Ming-Hua" last="Song">Ming-Hua Song</name></author><author><name sortKey="Xu, Xing Liang" sort="Xu, Xing Liang" uniqKey="Xu X" first="Xing-Liang" last="Xu">Xing-Liang Xu</name></author><author><name sortKey="Guo, Liang Dong" sort="Guo, Liang Dong" uniqKey="Guo L" first="Liang-Dong" last="Guo">Liang-Dong Guo</name></author></analytic><series><title level="j">FEMS microbiology ecology</title><idno type="eISSN">1574-6941</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Fungi (classification)</term><term>Fungi (growth & development)</term><term>Fungi (isolation & purification)</term><term>Fungi (metabolism)</term><term>Grassland (MeSH)</term><term>Hyphae (growth & development)</term><term>Mycorrhizae (classification)</term><term>Mycorrhizae (growth & development)</term><term>Mycorrhizae (isolation & purification)</term><term>Mycorrhizae (metabolism)</term><term>Nitrogen (metabolism)</term><term>Soil Microbiology (MeSH)</term><term>Spores, Fungal (growth & development)</term><term>Tibet (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Nitrogen</term></keywords><keywords scheme="MESH" qualifier="classification" xml:lang="en"><term>Fungi</term><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Fungi</term><term>Hyphae</term><term>Mycorrhizae</term><term>Spores, Fungal</term></keywords><keywords scheme="MESH" qualifier="isolation & purification" xml:lang="en"><term>Fungi</term><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Fungi</term><term>Mycorrhizae</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Grassland</term><term>Soil Microbiology</term><term>Tibet</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Elucidating the responses of soil microbial abundance and community composition to nitrogen (N) addition is important for predicting ecosystem function under increased atmospheric N deposition. We examined the arbuscular mycorrhizal (AM) fungal community under three N forms (NH4(+)-N, NO3(-)-N, and NH4NO3-N) and two N rates (1.5 and 7.5 g N m(-2) year(-1)) in an alpine meadow of the Qinghai-Tibetan Plateau. AM fungal extraradical hyphal density was significantly decreased by NH4(+)-N in May, but was not affected by N form nor N rate in August. N rate, but not N form, significantly affected AM fungal spore density; high N rate decreased spore density. No direct N addition effect was observed on AM fungal community; however, soil available phosphorus, pH, and NO3(-)-N were considered as important factors that influenced AM fungal community composition. Structural equation model results showed that N rate, not N form, strongly affected soil characteristics, which directly influenced community compositions of plants and AM fungi, as well as spore density. Therefore, AM fungal community was influenced by N addition, primarily because of altered soil characteristics, and partially by a modified plant community, but not or just slightly by direct N addition effects in this alpine meadow ecosystem.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Curated" Owner="NLM"><PMID Version="1">24890754</PMID><DateCompleted><Year>2014</Year><Month>12</Month><Day>22</Day></DateCompleted><DateRevised><Year>2018</Year><Month>12</Month><Day>02</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1574-6941</ISSN><JournalIssue CitedMedium="Internet"><Volume>89</Volume><Issue>3</Issue><PubDate><Year>2014</Year><Month>Sep</Month></PubDate></JournalIssue><Title>FEMS microbiology ecology</Title><ISOAbbreviation>FEMS Microbiol Ecol</ISOAbbreviation></Journal><ArticleTitle>Differential responses of arbuscular mycorrhizal fungi to nitrogen addition in a near pristine Tibetan alpine meadow.</ArticleTitle><Pagination><MedlinePgn>594-605</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/1574-6941.12361</ELocationID><Abstract><AbstractText>Elucidating the responses of soil microbial abundance and community composition to nitrogen (N) addition is important for predicting ecosystem function under increased atmospheric N deposition. We examined the arbuscular mycorrhizal (AM) fungal community under three N forms (NH4(+)-N, NO3(-)-N, and NH4NO3-N) and two N rates (1.5 and 7.5 g N m(-2) year(-1)) in an alpine meadow of the Qinghai-Tibetan Plateau. AM fungal extraradical hyphal density was significantly decreased by NH4(+)-N in May, but was not affected by N form nor N rate in August. N rate, but not N form, significantly affected AM fungal spore density; high N rate decreased spore density. No direct N addition effect was observed on AM fungal community; however, soil available phosphorus, pH, and NO3(-)-N were considered as important factors that influenced AM fungal community composition. Structural equation model results showed that N rate, not N form, strongly affected soil characteristics, which directly influenced community compositions of plants and AM fungi, as well as spore density. Therefore, AM fungal community was influenced by N addition, primarily because of altered soil characteristics, and partially by a modified plant community, but not or just slightly by direct N addition effects in this alpine meadow ecosystem.</AbstractText><CopyrightInformation>© 2014 Federation of European Microbiological Societies. Published by John Wiley & Sons Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Zheng</LastName><ForeName>Yong</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Kim</LastName><ForeName>Yong-Chan</ForeName><Initials>YC</Initials></Author><Author ValidYN="Y"><LastName>Tian</LastName><ForeName>Xiao-Fang</ForeName><Initials>XF</Initials></Author><Author ValidYN="Y"><LastName>Chen</LastName><ForeName>Liang</ForeName><Initials>L</Initials></Author><Author ValidYN="Y"><LastName>Yang</LastName><ForeName>Wei</ForeName><Initials>W</Initials></Author><Author ValidYN="Y"><LastName>Gao</LastName><ForeName>Cheng</ForeName><Initials>C</Initials></Author><Author ValidYN="Y"><LastName>Song</LastName><ForeName>Ming-Hua</ForeName><Initials>MH</Initials></Author><Author ValidYN="Y"><LastName>Xu</LastName><ForeName>Xing-Liang</ForeName><Initials>XL</Initials></Author><Author ValidYN="Y"><LastName>Guo</LastName><ForeName>Liang-Dong</ForeName><Initials>LD</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>2014</Year><Month>06</Month><Day>19</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>FEMS Microbiol Ecol</MedlineTA><NlmUniqueID>8901229</NlmUniqueID><ISSNLinking>0168-6496</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>N762921K75</RegistryNumber><NameOfSubstance UI="D009584">Nitrogen</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D005658" MajorTopicYN="N">Fungi</DescriptorName><QualifierName UI="Q000145" MajorTopicYN="Y">classification</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000302" MajorTopicYN="N">isolation & purification</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D065948" MajorTopicYN="Y">Grassland</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D025301" MajorTopicYN="N">Hyphae</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000145" MajorTopicYN="Y">classification</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000302" MajorTopicYN="N">isolation & purification</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009584" MajorTopicYN="N">Nitrogen</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012988" MajorTopicYN="N">Soil Microbiology</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013172" MajorTopicYN="N">Spores, Fungal</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018609" MajorTopicYN="N">Tibet</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">454 pyrosequencing</Keyword><Keyword MajorTopicYN="N">AMF</Keyword><Keyword MajorTopicYN="N">Qinghai-Tibetan Plateau</Keyword><Keyword MajorTopicYN="N">community composition</Keyword><Keyword MajorTopicYN="N">nitrogen deposition</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2014</Year><Month>02</Month><Day>11</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2014</Year><Month>05</Month><Day>20</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2014</Year><Month>05</Month><Day>20</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2014</Year><Month>6</Month><Day>4</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2014</Year><Month>6</Month><Day>4</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2014</Year><Month>12</Month><Day>23</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">24890754</ArticleId><ArticleId IdType="doi">10.1111/1574-6941.12361</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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