Structural Fe(II) Oxidation in Biotite by an Ectomycorrhizal Fungi Drives Mechanical Forcing.
Identifieur interne : 001087 ( Main/Curation ); précédent : 001086; suivant : 001088Structural Fe(II) Oxidation in Biotite by an Ectomycorrhizal Fungi Drives Mechanical Forcing.
Auteurs : Steeve Bonneville [Belgique] ; Andrew W. Bray [Royaume-Uni] ; Liane G. Benning [Royaume-Uni, Allemagne]Source :
- Environmental science & technology [ 1520-5851 ] ; 2016.
Descripteurs français
- KwdFr :
- MESH :
- métabolisme : Composés du fer II, Composés du fer III, Mycorhizes, Racines de plante.
- Symbiose.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Ferric Compounds, Ferrous Compounds.
- metabolism : Mycorrhizae, Plant Roots.
- Symbiosis.
Abstract
Microorganisms are essential agents of Earth's soil weathering engine who help transform primary rock-forming minerals into soils. Mycorrhizal fungi, with their vast filamentous networks in symbiosis with the roots of most plants can alter a large number of minerals via local acidification, targeted excretion of ligands, submicron-scale biomechanical forcing, and mobilization of Mg, Fe, Al, and K at the hypha-biotite interface. Here, we present experimental evidence that Paxillus involutus-a basidiomycete fungus-in ectomycorrhizal symbiosis with Scots pine (Pinus sylvestris), is able to oxidize a substantial amount of structural Fe(II) in biotite. Iron redox chemistry, quantified by X-ray absorption near edge spectra on 13 fungi-biotite sections along three distinct hypha colonizing the [001] basal plane of biotite, revealed variable but extensive Fe(II) oxidation up to ∼2 μm in depth and a Fe(III)/Fetotal ratio of up to ∼0.8. The growth of Fe(III) hydroxide implies a volumetric change and a strain within the biotite lattice potentially large enough to induce microcrack formation, which are abundant below the hypha-biotite interface. This Fe(II) oxidation also leads to the formation of a large pool of Fe(III) (i.e., structural Fe(III) and Fe(III) oxyhydroxides) within biotite that could participate in the Fe redox cycling in soils.
DOI: 10.1021/acs.est.5b06178
PubMed: 27128742
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F. D. Roosevelt, 1050 Brussels, Belgium.</nlm:affiliation><country xml:lang="fr">Belgique</country><wicri:regionArea>Biogéochimie et Modélisation du Système Terre, Département Géosciences, Environnement et Société, Université Libre de Bruxelles , 50 av. F. D. Roosevelt, 1050 Brussels</wicri:regionArea></affiliation></author><author><name sortKey="Bray, Andrew W" sort="Bray, Andrew W" uniqKey="Bray A" first="Andrew W" last="Bray">Andrew W. Bray</name><affiliation wicri:level="1"><nlm:affiliation>Cohen Geochemistry, School of Earth and Environment, University of Leeds , Leeds LS2 9JT, United Kingdom.</nlm:affiliation><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>Cohen Geochemistry, School of Earth and Environment, University of Leeds , Leeds LS2 9JT</wicri:regionArea></affiliation></author><author><name sortKey="Benning, Liane G" sort="Benning, Liane G" uniqKey="Benning L" first="Liane G" last="Benning">Liane G. 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Mycorrhizal fungi, with their vast filamentous networks in symbiosis with the roots of most plants can alter a large number of minerals via local acidification, targeted excretion of ligands, submicron-scale biomechanical forcing, and mobilization of Mg, Fe, Al, and K at the hypha-biotite interface. Here, we present experimental evidence that Paxillus involutus-a basidiomycete fungus-in ectomycorrhizal symbiosis with Scots pine (Pinus sylvestris), is able to oxidize a substantial amount of structural Fe(II) in biotite. Iron redox chemistry, quantified by X-ray absorption near edge spectra on 13 fungi-biotite sections along three distinct hypha colonizing the [001] basal plane of biotite, revealed variable but extensive Fe(II) oxidation up to ∼2 μm in depth and a Fe(III)/Fetotal ratio of up to ∼0.8. The growth of Fe(III) hydroxide implies a volumetric change and a strain within the biotite lattice potentially large enough to induce microcrack formation, which are abundant below the hypha-biotite interface. This Fe(II) oxidation also leads to the formation of a large pool of Fe(III) (i.e., structural Fe(III) and Fe(III) oxyhydroxides) within biotite that could participate in the Fe redox cycling in soils.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">27128742</PMID><DateCompleted><Year>2017</Year><Month>06</Month><Day>07</Day></DateCompleted><DateRevised><Year>2018</Year><Month>04</Month><Day>18</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1520-5851</ISSN><JournalIssue CitedMedium="Internet"><Volume>50</Volume><Issue>11</Issue><PubDate><Year>2016</Year><Month>06</Month><Day>07</Day></PubDate></JournalIssue><Title>Environmental science & technology</Title><ISOAbbreviation>Environ Sci Technol</ISOAbbreviation></Journal><ArticleTitle>Structural Fe(II) Oxidation in Biotite by an Ectomycorrhizal Fungi Drives Mechanical Forcing.</ArticleTitle><Pagination><MedlinePgn>5589-96</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1021/acs.est.5b06178</ELocationID><Abstract><AbstractText>Microorganisms are essential agents of Earth's soil weathering engine who help transform primary rock-forming minerals into soils. Mycorrhizal fungi, with their vast filamentous networks in symbiosis with the roots of most plants can alter a large number of minerals via local acidification, targeted excretion of ligands, submicron-scale biomechanical forcing, and mobilization of Mg, Fe, Al, and K at the hypha-biotite interface. Here, we present experimental evidence that Paxillus involutus-a basidiomycete fungus-in ectomycorrhizal symbiosis with Scots pine (Pinus sylvestris), is able to oxidize a substantial amount of structural Fe(II) in biotite. Iron redox chemistry, quantified by X-ray absorption near edge spectra on 13 fungi-biotite sections along three distinct hypha colonizing the [001] basal plane of biotite, revealed variable but extensive Fe(II) oxidation up to ∼2 μm in depth and a Fe(III)/Fetotal ratio of up to ∼0.8. The growth of Fe(III) hydroxide implies a volumetric change and a strain within the biotite lattice potentially large enough to induce microcrack formation, which are abundant below the hypha-biotite interface. This Fe(II) oxidation also leads to the formation of a large pool of Fe(III) (i.e., structural Fe(III) and Fe(III) oxyhydroxides) within biotite that could participate in the Fe redox cycling in soils.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Bonneville</LastName><ForeName>Steeve</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>Biogéochimie et Modélisation du Système Terre, Département Géosciences, Environnement et Société, Université Libre de Bruxelles , 50 av. F. D. Roosevelt, 1050 Brussels, Belgium.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Bray</LastName><ForeName>Andrew W</ForeName><Initials>AW</Initials><AffiliationInfo><Affiliation>Cohen Geochemistry, School of Earth and Environment, University of Leeds , Leeds LS2 9JT, United Kingdom.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Benning</LastName><ForeName>Liane G</ForeName><Initials>LG</Initials><AffiliationInfo><Affiliation>Cohen Geochemistry, School of Earth and Environment, University of Leeds , Leeds LS2 9JT, United Kingdom.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>GFZ, German Research Centre for Geosciences , Telegrafenberg, Potsdam 14473, Germany.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013486">Research Support, U.S. Gov't, Non-P.H.S.</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2016</Year><Month>05</Month><Day>12</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Environ Sci Technol</MedlineTA><NlmUniqueID>0213155</NlmUniqueID><ISSNLinking>0013-936X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D005290">Ferric Compounds</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D005296">Ferrous Compounds</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D005290" MajorTopicYN="N">Ferric Compounds</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005296" MajorTopicYN="N">Ferrous Compounds</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013559" MajorTopicYN="N">Symbiosis</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2016</Year><Month>4</Month><Day>30</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2016</Year><Month>4</Month><Day>30</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2017</Year><Month>6</Month><Day>8</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">27128742</ArticleId><ArticleId IdType="doi">10.1021/acs.est.5b06178</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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