Mycorrhizal phenotypes and the Law of the Minimum.
Identifieur interne : 001653 ( Main/Corpus ); précédent : 001652; suivant : 001654Mycorrhizal phenotypes and the Law of the Minimum.
Auteurs : Nancy Collins Johnson ; Gail W T. Wilson ; Jacqueline A. Wilson ; R Michael Miller ; Matthew A. BowkerSource :
- The New phytologist [ 1469-8137 ] ; 2015.
English descriptors
- KwdEn :
- Analysis of Variance (MeSH), Andropogon (metabolism), Andropogon (microbiology), Andropogon (radiation effects), Carbon (metabolism), Fertilizers (MeSH), Light (MeSH), Models, Biological (MeSH), Mycorrhizae (growth & development), Mycorrhizae (physiology), Nitrogen (metabolism), Phenotype (MeSH), Phosphorus (metabolism), Soil (chemistry).
- MESH :
- chemical , chemistry : Soil.
- chemical , metabolism : Carbon, Nitrogen, Phosphorus.
- growth & development : Mycorrhizae.
- metabolism : Andropogon.
- microbiology : Andropogon.
- physiology : Mycorrhizae.
- radiation effects : Andropogon.
- Analysis of Variance, Fertilizers, Light, Models, Biological, Phenotype.
Abstract
Mycorrhizal phenotypes arise from interactions among plant and fungal genotypes and the environment. Differences in the stoichiometry and uptake capacity of fungi and plants make arbuscular mycorrhizal (AM) fungi inherently more nitrogen (N) limited and less phosphorus (P) limited than their host plants. Mutualistic phenotypes are most likely in P-limited systems and commensal or parasitic phenotypes in N-limited systems. Carbon (C) limitation is expected to cause phenotypes to shift from mutualism to commensalism and even parasitism. Two experiments compared the influence of fertilizer and shade on mycorrhizas in Andropogon gerardii across three naturally N-limited or P-limited grasslands. A third experiment examined the interactive effects of N and P enrichment and shade on A. gerardii mycorrhizas. Our experiments generated the full spectrum of mycorrhizal phenotypes. These findings support the hypothesis that mutualism is likely in P-limited systems and commensalism or parasitism is likely in N-limited systems. Furthermore, shade decreased C-assimilation and generated less mutualistic mycorrhizal phenotypes with reduced plant and fungal biomass. Soil fertility is a key controller of mycorrhizal costs and benefits and the Law of the Minimum is a useful predictor of mycorrhizal phenotype. In our experimental grasslands arbuscular mycorrhizas can ameliorate P-limitation but not N-limitation.
DOI: 10.1111/nph.13172
PubMed: 25417818
Links to Exploration step
pubmed:25417818Le document en format XML
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Wilson</name></author><author><name sortKey="Miller, R Michael" sort="Miller, R Michael" uniqKey="Miller R" first="R Michael" last="Miller">R Michael Miller</name></author><author><name sortKey="Bowker, Matthew A" sort="Bowker, Matthew A" uniqKey="Bowker M" first="Matthew A" last="Bowker">Matthew A. 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Wilson</name></author><author><name sortKey="Wilson, Jacqueline A" sort="Wilson, Jacqueline A" uniqKey="Wilson J" first="Jacqueline A" last="Wilson">Jacqueline A. Wilson</name></author><author><name sortKey="Miller, R Michael" sort="Miller, R Michael" uniqKey="Miller R" first="R Michael" last="Miller">R Michael Miller</name></author><author><name sortKey="Bowker, Matthew A" sort="Bowker, Matthew A" uniqKey="Bowker M" first="Matthew A" last="Bowker">Matthew A. Bowker</name></author></analytic><series><title level="j">The New phytologist</title><idno type="eISSN">1469-8137</idno><imprint><date when="2015" type="published">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Analysis of Variance (MeSH)</term><term>Andropogon (metabolism)</term><term>Andropogon (microbiology)</term><term>Andropogon (radiation effects)</term><term>Carbon (metabolism)</term><term>Fertilizers (MeSH)</term><term>Light (MeSH)</term><term>Models, Biological (MeSH)</term><term>Mycorrhizae (growth & development)</term><term>Mycorrhizae (physiology)</term><term>Nitrogen (metabolism)</term><term>Phenotype (MeSH)</term><term>Phosphorus (metabolism)</term><term>Soil (chemistry)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Soil</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Carbon</term><term>Nitrogen</term><term>Phosphorus</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Andropogon</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Andropogon</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="radiation effects" xml:lang="en"><term>Andropogon</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Analysis of Variance</term><term>Fertilizers</term><term>Light</term><term>Models, Biological</term><term>Phenotype</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Mycorrhizal phenotypes arise from interactions among plant and fungal genotypes and the environment. Differences in the stoichiometry and uptake capacity of fungi and plants make arbuscular mycorrhizal (AM) fungi inherently more nitrogen (N) limited and less phosphorus (P) limited than their host plants. Mutualistic phenotypes are most likely in P-limited systems and commensal or parasitic phenotypes in N-limited systems. Carbon (C) limitation is expected to cause phenotypes to shift from mutualism to commensalism and even parasitism. Two experiments compared the influence of fertilizer and shade on mycorrhizas in Andropogon gerardii across three naturally N-limited or P-limited grasslands. A third experiment examined the interactive effects of N and P enrichment and shade on A. gerardii mycorrhizas. Our experiments generated the full spectrum of mycorrhizal phenotypes. These findings support the hypothesis that mutualism is likely in P-limited systems and commensalism or parasitism is likely in N-limited systems. Furthermore, shade decreased C-assimilation and generated less mutualistic mycorrhizal phenotypes with reduced plant and fungal biomass. Soil fertility is a key controller of mycorrhizal costs and benefits and the Law of the Minimum is a useful predictor of mycorrhizal phenotype. In our experimental grasslands arbuscular mycorrhizas can ameliorate P-limitation but not N-limitation. </div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">25417818</PMID><DateCompleted><Year>2015</Year><Month>09</Month><Day>28</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1469-8137</ISSN><JournalIssue CitedMedium="Internet"><Volume>205</Volume><Issue>4</Issue><PubDate><Year>2015</Year><Month>Mar</Month></PubDate></JournalIssue><Title>The New phytologist</Title><ISOAbbreviation>New Phytol</ISOAbbreviation></Journal><ArticleTitle>Mycorrhizal phenotypes and the Law of the Minimum.</ArticleTitle><Pagination><MedlinePgn>1473-84</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/nph.13172</ELocationID><Abstract><AbstractText>Mycorrhizal phenotypes arise from interactions among plant and fungal genotypes and the environment. Differences in the stoichiometry and uptake capacity of fungi and plants make arbuscular mycorrhizal (AM) fungi inherently more nitrogen (N) limited and less phosphorus (P) limited than their host plants. Mutualistic phenotypes are most likely in P-limited systems and commensal or parasitic phenotypes in N-limited systems. Carbon (C) limitation is expected to cause phenotypes to shift from mutualism to commensalism and even parasitism. Two experiments compared the influence of fertilizer and shade on mycorrhizas in Andropogon gerardii across three naturally N-limited or P-limited grasslands. A third experiment examined the interactive effects of N and P enrichment and shade on A. gerardii mycorrhizas. Our experiments generated the full spectrum of mycorrhizal phenotypes. These findings support the hypothesis that mutualism is likely in P-limited systems and commensalism or parasitism is likely in N-limited systems. Furthermore, shade decreased C-assimilation and generated less mutualistic mycorrhizal phenotypes with reduced plant and fungal biomass. Soil fertility is a key controller of mycorrhizal costs and benefits and the Law of the Minimum is a useful predictor of mycorrhizal phenotype. In our experimental grasslands arbuscular mycorrhizas can ameliorate P-limitation but not N-limitation. </AbstractText><CopyrightInformation>© 2014 The Authors New Phytologist © 2014 New Phytologist Trust.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Johnson</LastName><ForeName>Nancy Collins</ForeName><Initials>NC</Initials><AffiliationInfo><Affiliation>School of Earth Sciences and Environmental Sustainability and Department of Biological Sciences, Northern Arizona University Flagstaff, Flagstaff, AZ, 86011, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wilson</LastName><ForeName>Gail W T</ForeName><Initials>GW</Initials></Author><Author ValidYN="Y"><LastName>Wilson</LastName><ForeName>Jacqueline A</ForeName><Initials>JA</Initials></Author><Author ValidYN="Y"><LastName>Miller</LastName><ForeName>R Michael</ForeName><Initials>RM</Initials></Author><Author ValidYN="Y"><LastName>Bowker</LastName><ForeName>Matthew 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MajorTopicYN="N">Light</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008954" MajorTopicYN="Y">Models, Biological</DescriptorName></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="D009584" MajorTopicYN="N">Nitrogen</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010641" MajorTopicYN="N">Phenotype</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010758" MajorTopicYN="N">Phosphorus</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012987" MajorTopicYN="N">Soil</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">arbuscular mycorrhizas</Keyword><Keyword MajorTopicYN="N">context dependency</Keyword><Keyword MajorTopicYN="N">light</Keyword><Keyword MajorTopicYN="N">mutualism</Keyword><Keyword MajorTopicYN="N">nitrogen (N)</Keyword><Keyword MajorTopicYN="N">parasitism</Keyword><Keyword MajorTopicYN="N">phosphorus (P)</Keyword><Keyword MajorTopicYN="N">stoichiometry</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2014</Year><Month>07</Month><Day>01</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2014</Year><Month>10</Month><Day>06</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2014</Year><Month>11</Month><Day>25</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate 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