Extensive membrane systems at the host-arbuscular mycorrhizal fungus interface.
Identifieur interne : 000547 ( Main/Exploration ); précédent : 000546; suivant : 000548Extensive membrane systems at the host-arbuscular mycorrhizal fungus interface.
Auteurs : Sergey Ivanov [États-Unis] ; Jotham Austin [États-Unis] ; R Howard Berg [États-Unis] ; Maria J. Harrison [États-Unis]Source :
- Nature plants [ 2055-0278 ] ; 2019.
Descripteurs français
- KwdFr :
- Cellules végétales (microbiologie), Cellules végétales (métabolisme), Medicago truncatula (génétique), Medicago truncatula (microbiologie), Membrane cellulaire (physiologie), Membrane cellulaire (ultrastructure), Microscopie électronique (MeSH), Mutation (MeSH), Mycorhizes (physiologie), Mycorhizes (ultrastructure), Protéines végétales (métabolisme), Racines de plante (cytologie), Racines de plante (microbiologie), Symbiose (MeSH), Tomographie en microscopie électronique (MeSH), Végétaux génétiquement modifiés (MeSH).
- MESH :
- cytologie : Racines de plante.
- génétique : Medicago truncatula.
- microbiologie : Cellules végétales, Medicago truncatula, Racines de plante.
- métabolisme : Cellules végétales, Protéines végétales.
- physiologie : Membrane cellulaire, Mycorhizes.
- ultrastructure : Membrane cellulaire, Microscopie électronique, Mutation, Mycorhizes, Symbiose, Tomographie en microscopie électronique, Végétaux génétiquement modifiés.
English descriptors
- KwdEn :
- Cell Membrane (physiology), Cell Membrane (ultrastructure), Electron Microscope Tomography (MeSH), Medicago truncatula (genetics), Medicago truncatula (microbiology), Microscopy, Electron (MeSH), Mutation (MeSH), Mycorrhizae (physiology), Mycorrhizae (ultrastructure), Plant Cells (metabolism), Plant Cells (microbiology), Plant Proteins (metabolism), Plant Roots (cytology), Plant Roots (microbiology), Plants, Genetically Modified (MeSH), Symbiosis (MeSH).
- MESH :
- chemical , metabolism : Plant Proteins.
- cytology : Plant Roots.
- genetics : Medicago truncatula.
- metabolism : Plant Cells.
- microbiology : Medicago truncatula, Plant Cells, Plant Roots.
- physiology : Cell Membrane, Mycorrhizae.
- ultrastructure : Cell Membrane, Mycorrhizae.
- Electron Microscope Tomography, Microscopy, Electron, Mutation, Plants, Genetically Modified, Symbiosis.
Abstract
During arbuscular mycorrhizal (AM) symbiosis, cells within the root cortex develop a matrix-filled apoplastic compartment in which differentiated AM fungal hyphae called arbuscules reside. Development of the compartment occurs rapidly, coincident with intracellular penetration and rapid branching of the fungal hypha, and it requires much of the plant cell's secretory machinery to generate the periarbuscular membrane that delimits the compartment. Despite recent advances, our understanding of the development of the periarbuscular membrane and the transfer of molecules across the symbiotic interface is limited. Here, using electron microscopy and tomography, we reveal that the periarbuscular matrix contains two types of membrane-bound compartments. We propose that one of these arises as a consequence of biogenesis of the periarbuscular membrane and may facilitate movement of molecules between symbiotic partners. Additionally, we show that the arbuscule contains massive arrays of membrane tubules located between the protoplast and the cell wall. We speculate that these tubules may provide the absorptive capacity needed for nutrient assimilation and possibly water absorption to enable rapid hyphal expansion.
DOI: 10.1038/s41477-019-0364-5
PubMed: 30737512
Affiliations:
Links toward previous steps (curation, corpus...)
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Development of the compartment occurs rapidly, coincident with intracellular penetration and rapid branching of the fungal hypha, and it requires much of the plant cell's secretory machinery to generate the periarbuscular membrane that delimits the compartment. Despite recent advances, our understanding of the development of the periarbuscular membrane and the transfer of molecules across the symbiotic interface is limited. Here, using electron microscopy and tomography, we reveal that the periarbuscular matrix contains two types of membrane-bound compartments. We propose that one of these arises as a consequence of biogenesis of the periarbuscular membrane and may facilitate movement of molecules between symbiotic partners. Additionally, we show that the arbuscule contains massive arrays of membrane tubules located between the protoplast and the cell wall. We speculate that these tubules may provide the absorptive capacity needed for nutrient assimilation and possibly water absorption to enable rapid hyphal expansion.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">30737512</PMID><DateCompleted><Year>2019</Year><Month>07</Month><Day>01</Day></DateCompleted><DateRevised><Year>2019</Year><Month>08</Month><Day>09</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">2055-0278</ISSN><JournalIssue CitedMedium="Internet"><Volume>5</Volume><Issue>2</Issue><PubDate><Year>2019</Year><Month>02</Month></PubDate></JournalIssue><Title>Nature plants</Title><ISOAbbreviation>Nat Plants</ISOAbbreviation></Journal><ArticleTitle>Extensive membrane systems at the host-arbuscular mycorrhizal fungus interface.</ArticleTitle><Pagination><MedlinePgn>194-203</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1038/s41477-019-0364-5</ELocationID><Abstract><AbstractText>During arbuscular mycorrhizal (AM) symbiosis, cells within the root cortex develop a matrix-filled apoplastic compartment in which differentiated AM fungal hyphae called arbuscules reside. Development of the compartment occurs rapidly, coincident with intracellular penetration and rapid branching of the fungal hypha, and it requires much of the plant cell's secretory machinery to generate the periarbuscular membrane that delimits the compartment. Despite recent advances, our understanding of the development of the periarbuscular membrane and the transfer of molecules across the symbiotic interface is limited. Here, using electron microscopy and tomography, we reveal that the periarbuscular matrix contains two types of membrane-bound compartments. We propose that one of these arises as a consequence of biogenesis of the periarbuscular membrane and may facilitate movement of molecules between symbiotic partners. Additionally, we show that the arbuscule contains massive arrays of membrane tubules located between the protoplast and the cell wall. We speculate that these tubules may provide the absorptive capacity needed for nutrient assimilation and possibly water absorption to enable rapid hyphal expansion.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Ivanov</LastName><ForeName>Sergey</ForeName><Initials>S</Initials><Identifier Source="ORCID">http://orcid.org/0000-0002-4191-3928</Identifier><AffiliationInfo><Affiliation>Boyce Thompson Institute, Ithaca, NY, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Austin</LastName><ForeName>Jotham</ForeName><Initials>J</Initials><Suffix>2nd</Suffix><Identifier Source="ORCID">http://orcid.org/0000-0002-1070-9262</Identifier><AffiliationInfo><Affiliation>Advanced Electron Microscopy Facility, University of Chicago, Chicago, IL, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Berg</LastName><ForeName>R Howard</ForeName><Initials>RH</Initials><Identifier Source="ORCID">http://orcid.org/0000-0001-5081-2769</Identifier><AffiliationInfo><Affiliation>Integrated Microscopy Facility, Donald Danforth Plant Science Center, St Louis, MS, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Harrison</LastName><ForeName>Maria J</ForeName><Initials>MJ</Initials><Identifier Source="ORCID">http://orcid.org/0000-0001-8716-1875</Identifier><AffiliationInfo><Affiliation>Boyce Thompson Institute, Ithaca, NY, USA. mjh78@cornell.edu.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType><PublicationType UI="D013486">Research Support, U.S. Gov't, Non-P.H.S.</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2019</Year><Month>02</Month><Day>08</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Nat Plants</MedlineTA><NlmUniqueID>101651677</NlmUniqueID><ISSNLinking>2055-0278</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D010940">Plant Proteins</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><CommentsCorrectionsList><CommentsCorrections RefType="CommentIn"><RefSource>Nat Plants. 2019 Feb;5(2):131-132</RefSource><PMID Version="1">30737510</PMID></CommentsCorrections></CommentsCorrectionsList><MeshHeadingList><MeshHeading><DescriptorName UI="D002462" MajorTopicYN="N">Cell Membrane</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName><QualifierName UI="Q000648" MajorTopicYN="N">ultrastructure</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D055032" MajorTopicYN="N">Electron Microscope Tomography</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D046913" MajorTopicYN="N">Medicago truncatula</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008854" MajorTopicYN="N">Microscopy, Electron</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009154" MajorTopicYN="N">Mutation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName><QualifierName UI="Q000648" MajorTopicYN="N">ultrastructure</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D059828" MajorTopicYN="N">Plant Cells</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000382" 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PubStatus="entrez"><Year>2019</Year><Month>2</Month><Day>10</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2019</Year><Month>2</Month><Day>10</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2019</Year><Month>7</Month><Day>2</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">30737512</ArticleId><ArticleId IdType="doi">10.1038/s41477-019-0364-5</ArticleId><ArticleId IdType="pii">10.1038/s41477-019-0364-5</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Illinois</li><li>État de New York</li><li>État du Mississippi</li></region><settlement><li>Chicago</li></settlement><orgName><li>Université de Chicago</li></orgName></list><tree><country name="États-Unis"><region name="État de New York"><name sortKey="Ivanov, Sergey" sort="Ivanov, 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