Arbuscular mycorrhizal fungi reduce nitrous oxide emissions from N2 O hotspots.
Identifieur interne : 000A55 ( Main/Corpus ); précédent : 000A54; suivant : 000A56Arbuscular mycorrhizal fungi reduce nitrous oxide emissions from N2 O hotspots.
Auteurs : Kate Storer ; Aisha Coggan ; Phil Ineson ; Angela HodgeSource :
- The New phytologist [ 1469-8137 ] ; 2018.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Carbon, Nitrogen, Nitrous Oxide.
- metabolism : Hyphae, Mycorrhizae.
Abstract
Nitrous oxide (N2 O) is a potent, globally important, greenhouse gas, predominantly released from agricultural soils during nitrogen (N) cycling. Arbuscular mycorrhizal fungi (AMF) form a mutualistic symbiosis with two-thirds of land plants, providing phosphorus and/or N in exchange for carbon. As AMF acquire N, it was hypothesized that AMF hyphae may reduce N2 O production. AMF hyphae were either allowed (AMF) or prevented (nonAMF) access to a compartment containing an organic matter and soil patch in two independent microcosm experiments. Compartment and patch N2 O production was measured both before and after addition of ammonium and nitrate. In both experiments, N2 O production decreased when AMF hyphae were present before inorganic N addition. In the presence of AMF hyphae, N2 O production remained low following ammonium application, but increased in the nonAMF controls. By contrast, negligible N2 O was produced following nitrate application to either AMF treatment. Thus, the main N2 O source in this system appeared to be via nitrification, and the production of N2 O was reduced in the presence of AMF hyphae. It is hypothesized that AMF hyphae may be outcompeting slow-growing nitrifiers for ammonium. This has significant global implications for our understanding of soil N cycling pathways and N2 O production.
DOI: 10.1111/nph.14931
PubMed: 29206293
PubMed Central: PMC6282961
Links to Exploration step
pubmed:29206293Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Arbuscular mycorrhizal fungi reduce nitrous oxide emissions from N<sub>2</sub> O hotspots.</title><author><name sortKey="Storer, Kate" sort="Storer, Kate" uniqKey="Storer K" first="Kate" last="Storer">Kate Storer</name><affiliation><nlm:affiliation>Department of Biology, University of York, Wentworth Way, York, YO10 5DD, UK.</nlm:affiliation></affiliation></author><author><name sortKey="Coggan, Aisha" sort="Coggan, Aisha" uniqKey="Coggan A" first="Aisha" last="Coggan">Aisha Coggan</name><affiliation><nlm:affiliation>Department of Biology, University of York, Wentworth Way, York, YO10 5DD, UK.</nlm:affiliation></affiliation></author><author><name sortKey="Ineson, Phil" sort="Ineson, Phil" uniqKey="Ineson P" first="Phil" last="Ineson">Phil Ineson</name><affiliation><nlm:affiliation>Department of Biology, University of York, Wentworth Way, York, YO10 5DD, UK.</nlm:affiliation></affiliation></author><author><name sortKey="Hodge, Angela" sort="Hodge, Angela" uniqKey="Hodge A" first="Angela" last="Hodge">Angela Hodge</name><affiliation><nlm:affiliation>Department of Biology, University of York, Wentworth Way, York, YO10 5DD, UK.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2018">2018</date><idno type="RBID">pubmed:29206293</idno><idno type="pmid">29206293</idno><idno type="doi">10.1111/nph.14931</idno><idno type="pmc">PMC6282961</idno><idno type="wicri:Area/Main/Corpus">000A55</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">000A55</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Arbuscular mycorrhizal fungi reduce nitrous oxide emissions from N<sub>2</sub> O hotspots.</title><author><name sortKey="Storer, Kate" sort="Storer, Kate" uniqKey="Storer K" first="Kate" last="Storer">Kate Storer</name><affiliation><nlm:affiliation>Department of Biology, University of York, Wentworth Way, York, YO10 5DD, UK.</nlm:affiliation></affiliation></author><author><name sortKey="Coggan, Aisha" sort="Coggan, Aisha" uniqKey="Coggan A" first="Aisha" last="Coggan">Aisha Coggan</name><affiliation><nlm:affiliation>Department of Biology, University of York, Wentworth Way, York, YO10 5DD, UK.</nlm:affiliation></affiliation></author><author><name sortKey="Ineson, Phil" sort="Ineson, Phil" uniqKey="Ineson P" first="Phil" last="Ineson">Phil Ineson</name><affiliation><nlm:affiliation>Department of Biology, University of York, Wentworth Way, York, YO10 5DD, UK.</nlm:affiliation></affiliation></author><author><name sortKey="Hodge, Angela" sort="Hodge, Angela" uniqKey="Hodge A" first="Angela" last="Hodge">Angela Hodge</name><affiliation><nlm:affiliation>Department of Biology, University of York, Wentworth Way, York, YO10 5DD, UK.</nlm:affiliation></affiliation></author></analytic><series><title level="j">The New phytologist</title><idno type="eISSN">1469-8137</idno><imprint><date when="2018" type="published">2018</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Carbon (metabolism)</term><term>Hyphae (metabolism)</term><term>Mycorrhizae (metabolism)</term><term>Nitrogen (metabolism)</term><term>Nitrous Oxide (metabolism)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Carbon</term><term>Nitrogen</term><term>Nitrous Oxide</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Hyphae</term><term>Mycorrhizae</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Nitrous oxide (N<sub>2</sub> O) is a potent, globally important, greenhouse gas, predominantly released from agricultural soils during nitrogen (N) cycling. Arbuscular mycorrhizal fungi (AMF) form a mutualistic symbiosis with two-thirds of land plants, providing phosphorus and/or N in exchange for carbon. As AMF acquire N, it was hypothesized that AMF hyphae may reduce N<sub>2</sub> O production. AMF hyphae were either allowed (AMF) or prevented (nonAMF) access to a compartment containing an organic matter and soil patch in two independent microcosm experiments. Compartment and patch N<sub>2</sub> O production was measured both before and after addition of ammonium and nitrate. In both experiments, N<sub>2</sub> O production decreased when AMF hyphae were present before inorganic N addition. In the presence of AMF hyphae, N<sub>2</sub> O production remained low following ammonium application, but increased in the nonAMF controls. By contrast, negligible N<sub>2</sub> O was produced following nitrate application to either AMF treatment. Thus, the main N<sub>2</sub> O source in this system appeared to be via nitrification, and the production of N<sub>2</sub> O was reduced in the presence of AMF hyphae. It is hypothesized that AMF hyphae may be outcompeting slow-growing nitrifiers for ammonium. This has significant global implications for our understanding of soil N cycling pathways and N<sub>2</sub> O production.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">29206293</PMID><DateCompleted><Year>2019</Year><Month>09</Month><Day>25</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>220</Volume><Issue>4</Issue><PubDate><Year>2018</Year><Month>12</Month></PubDate></JournalIssue><Title>The New phytologist</Title><ISOAbbreviation>New Phytol</ISOAbbreviation></Journal><ArticleTitle>Arbuscular mycorrhizal fungi reduce nitrous oxide emissions from N<sub>2</sub> O hotspots.</ArticleTitle><Pagination><MedlinePgn>1285-1295</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/nph.14931</ELocationID><Abstract><AbstractText>Nitrous oxide (N<sub>2</sub> O) is a potent, globally important, greenhouse gas, predominantly released from agricultural soils during nitrogen (N) cycling. Arbuscular mycorrhizal fungi (AMF) form a mutualistic symbiosis with two-thirds of land plants, providing phosphorus and/or N in exchange for carbon. As AMF acquire N, it was hypothesized that AMF hyphae may reduce N<sub>2</sub> O production. AMF hyphae were either allowed (AMF) or prevented (nonAMF) access to a compartment containing an organic matter and soil patch in two independent microcosm experiments. Compartment and patch N<sub>2</sub> O production was measured both before and after addition of ammonium and nitrate. In both experiments, N<sub>2</sub> O production decreased when AMF hyphae were present before inorganic N addition. In the presence of AMF hyphae, N<sub>2</sub> O production remained low following ammonium application, but increased in the nonAMF controls. By contrast, negligible N<sub>2</sub> O was produced following nitrate application to either AMF treatment. Thus, the main N<sub>2</sub> O source in this system appeared to be via nitrification, and the production of N<sub>2</sub> O was reduced in the presence of AMF hyphae. It is hypothesized that AMF hyphae may be outcompeting slow-growing nitrifiers for ammonium. This has significant global implications for our understanding of soil N cycling pathways and N<sub>2</sub> O production.</AbstractText><CopyrightInformation>© 2017 The Authors. New Phytologist © 2017 New Phytologist Trust.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Storer</LastName><ForeName>Kate</ForeName><Initials>K</Initials><Identifier Source="ORCID">0000-0001-7244-7555</Identifier><AffiliationInfo><Affiliation>Department of Biology, University of York, Wentworth Way, York, YO10 5DD, UK.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Coggan</LastName><ForeName>Aisha</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>Department of Biology, University of York, Wentworth Way, York, YO10 5DD, UK.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Ineson</LastName><ForeName>Phil</ForeName><Initials>P</Initials><AffiliationInfo><Affiliation>Department of Biology, University of York, Wentworth Way, York, YO10 5DD, UK.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hodge</LastName><ForeName>Angela</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>Department of Biology, University of York, Wentworth Way, York, YO10 5DD, UK.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><GrantList CompleteYN="Y"><Grant><GrantID>BB/GO16801/1)</GrantID><Agency>Biotechnology and Biological Sciences Research Council, UK</Agency><Country>International</Country></Grant><Grant><Agency>British Mycological Society</Agency><Country>International</Country></Grant></GrantList><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2017</Year><Month>12</Month><Day>05</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>New Phytol</MedlineTA><NlmUniqueID>9882884</NlmUniqueID><ISSNLinking>0028-646X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>7440-44-0</RegistryNumber><NameOfSubstance UI="D002244">Carbon</NameOfSubstance></Chemical><Chemical><RegistryNumber>K50XQU1029</RegistryNumber><NameOfSubstance UI="D009609">Nitrous Oxide</NameOfSubstance></Chemical><Chemical><RegistryNumber>N762921K75</RegistryNumber><NameOfSubstance UI="D009584">Nitrogen</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D002244" MajorTopicYN="N">Carbon</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D025301" MajorTopicYN="N">Hyphae</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009584" MajorTopicYN="N">Nitrogen</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009609" MajorTopicYN="N">Nitrous Oxide</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="Y">N cycle</Keyword><Keyword MajorTopicYN="Y">agriculture</Keyword><Keyword MajorTopicYN="Y">arbuscular mycorrhizal fungi (AMF)</Keyword><Keyword MajorTopicYN="Y">greenhouse gas</Keyword><Keyword MajorTopicYN="Y">hyphosphere</Keyword><Keyword MajorTopicYN="Y">nitrification</Keyword><Keyword MajorTopicYN="Y">nitrogen (N)</Keyword><Keyword MajorTopicYN="Y">nitrous oxide (N2O)</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate 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