Segregation in a mycorrhizal fungus alters rice growth and symbiosis-specific gene transcription.
Identifieur interne : 002638 ( Main/Corpus ); précédent : 002637; suivant : 002639Segregation in a mycorrhizal fungus alters rice growth and symbiosis-specific gene transcription.
Auteurs : Caroline Angelard ; Alexandre Colard ; Hélène Niculita-Hirzel ; Daniel Croll ; Ian R. SandersSource :
- Current biology : CB [ 1879-0445 ] ; 2010.
English descriptors
- KwdEn :
- MESH :
- genetics : Oryza.
- growth & development : Oryza.
- microbiology : Oryza.
- physiology : Mycorrhizae, Transcription, Genetic.
- Gene Frequency, Genes, Plant, Symbiosis.
Abstract
Arbuscular mycorrhizal fungi (AMF) form symbioses with the majority of plants, improving plant nutrition and diversity. Evidence exists suggesting that AMF contain populations of genetically different nucleotypes coexisting in a common cytoplasm. This potentially has two important consequences for their genetics. First, by random distribution of nuclei at spore formation, new offspring of an AMF could receive different complements of nucleotypes compared to the parent or siblings-we consider this as segregation. Second, genetic exchange between AMF would allow the mixing of nuclei, altering nucleotype diversity in new spores. Because segregation was assumed not to occur and genetic exchange has only recently been demonstrated, no attempts have been made to test whether this affects the symbiosis with plants. Here, we show that segregation occurs in the AMF Glomus intraradices and can enhance the growth of rice up to five times, even though neither parental nor crossed AMF lines induced a positive growth response. This process also resulted in an alteration of symbiosis-specific gene transcription in rice. Our results demonstrate that manipulation of AMF genetics has important consequences for the symbiotic effects on plants and could be used to enhance the growth of globally important crops.
DOI: 10.1016/j.cub.2010.05.031
PubMed: 20541408
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pubmed:20541408Le document en format XML
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Sanders</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2010">2010</date><idno type="RBID">pubmed:20541408</idno><idno type="pmid">20541408</idno><idno type="doi">10.1016/j.cub.2010.05.031</idno><idno type="wicri:Area/Main/Corpus">002638</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">002638</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Segregation in a mycorrhizal fungus alters rice growth and symbiosis-specific gene transcription.</title><author><name sortKey="Angelard, Caroline" sort="Angelard, Caroline" uniqKey="Angelard C" first="Caroline" last="Angelard">Caroline Angelard</name><affiliation><nlm:affiliation>Department of Ecology and Evolution, University of Lausanne, Biophore, CH-1015 Lausanne, Switzerland.</nlm:affiliation></affiliation></author><author><name sortKey="Colard, Alexandre" sort="Colard, Alexandre" uniqKey="Colard A" first="Alexandre" last="Colard">Alexandre Colard</name></author><author><name sortKey="Niculita Hirzel, Helene" sort="Niculita Hirzel, Helene" uniqKey="Niculita Hirzel H" first="Hélène" last="Niculita-Hirzel">Hélène Niculita-Hirzel</name></author><author><name sortKey="Croll, Daniel" sort="Croll, Daniel" uniqKey="Croll D" first="Daniel" last="Croll">Daniel Croll</name></author><author><name sortKey="Sanders, Ian R" sort="Sanders, Ian R" uniqKey="Sanders I" first="Ian R" last="Sanders">Ian R. Sanders</name></author></analytic><series><title level="j">Current biology : CB</title><idno type="eISSN">1879-0445</idno><imprint><date when="2010" type="published">2010</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Gene Frequency (MeSH)</term><term>Genes, Plant (MeSH)</term><term>Mycorrhizae (physiology)</term><term>Oryza (genetics)</term><term>Oryza (growth & development)</term><term>Oryza (microbiology)</term><term>Symbiosis (MeSH)</term><term>Transcription, Genetic (physiology)</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Oryza</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Oryza</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Oryza</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Mycorrhizae</term><term>Transcription, Genetic</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Gene Frequency</term><term>Genes, Plant</term><term>Symbiosis</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Arbuscular mycorrhizal fungi (AMF) form symbioses with the majority of plants, improving plant nutrition and diversity. Evidence exists suggesting that AMF contain populations of genetically different nucleotypes coexisting in a common cytoplasm. This potentially has two important consequences for their genetics. First, by random distribution of nuclei at spore formation, new offspring of an AMF could receive different complements of nucleotypes compared to the parent or siblings-we consider this as segregation. Second, genetic exchange between AMF would allow the mixing of nuclei, altering nucleotype diversity in new spores. Because segregation was assumed not to occur and genetic exchange has only recently been demonstrated, no attempts have been made to test whether this affects the symbiosis with plants. Here, we show that segregation occurs in the AMF Glomus intraradices and can enhance the growth of rice up to five times, even though neither parental nor crossed AMF lines induced a positive growth response. This process also resulted in an alteration of symbiosis-specific gene transcription in rice. Our results demonstrate that manipulation of AMF genetics has important consequences for the symbiotic effects on plants and could be used to enhance the growth of globally important crops.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">20541408</PMID><DateCompleted><Year>2010</Year><Month>11</Month><Day>01</Day></DateCompleted><DateRevised><Year>2015</Year><Month>11</Month><Day>19</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1879-0445</ISSN><JournalIssue CitedMedium="Internet"><Volume>20</Volume><Issue>13</Issue><PubDate><Year>2010</Year><Month>Jul</Month><Day>13</Day></PubDate></JournalIssue><Title>Current biology : CB</Title><ISOAbbreviation>Curr Biol</ISOAbbreviation></Journal><ArticleTitle>Segregation in a mycorrhizal fungus alters rice growth and symbiosis-specific gene transcription.</ArticleTitle><Pagination><MedlinePgn>1216-21</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.cub.2010.05.031</ELocationID><Abstract><AbstractText>Arbuscular mycorrhizal fungi (AMF) form symbioses with the majority of plants, improving plant nutrition and diversity. Evidence exists suggesting that AMF contain populations of genetically different nucleotypes coexisting in a common cytoplasm. This potentially has two important consequences for their genetics. First, by random distribution of nuclei at spore formation, new offspring of an AMF could receive different complements of nucleotypes compared to the parent or siblings-we consider this as segregation. Second, genetic exchange between AMF would allow the mixing of nuclei, altering nucleotype diversity in new spores. Because segregation was assumed not to occur and genetic exchange has only recently been demonstrated, no attempts have been made to test whether this affects the symbiosis with plants. Here, we show that segregation occurs in the AMF Glomus intraradices and can enhance the growth of rice up to five times, even though neither parental nor crossed AMF lines induced a positive growth response. This process also resulted in an alteration of symbiosis-specific gene transcription in rice. Our results demonstrate that manipulation of AMF genetics has important consequences for the symbiotic effects on plants and could be used to enhance the growth of globally important crops.</AbstractText><CopyrightInformation>Copyright 2010 Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Angelard</LastName><ForeName>Caroline</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>Department of Ecology and Evolution, University of Lausanne, Biophore, CH-1015 Lausanne, Switzerland.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Colard</LastName><ForeName>Alexandre</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Niculita-Hirzel</LastName><ForeName>Hélène</ForeName><Initials>H</Initials></Author><Author ValidYN="Y"><LastName>Croll</LastName><ForeName>Daniel</ForeName><Initials>D</Initials></Author><Author ValidYN="Y"><LastName>Sanders</LastName><ForeName>Ian R</ForeName><Initials>IR</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>2010</Year><Month>06</Month><Day>10</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Curr Biol</MedlineTA><NlmUniqueID>9107782</NlmUniqueID><ISSNLinking>0960-9822</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D005787" MajorTopicYN="N">Gene Frequency</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017343" MajorTopicYN="N">Genes, Plant</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012275" MajorTopicYN="N">Oryza</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013559" MajorTopicYN="Y">Symbiosis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014158" MajorTopicYN="N">Transcription, Genetic</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2010</Year><Month>03</Month><Day>16</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2010</Year><Month>05</Month><Day>10</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2010</Year><Month>05</Month><Day>11</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2010</Year><Month>6</Month><Day>15</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2010</Year><Month>6</Month><Day>15</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2010</Year><Month>11</Month><Day>3</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">20541408</ArticleId><ArticleId IdType="pii">S0960-9822(10)00599-3</ArticleId><ArticleId IdType="doi">10.1016/j.cub.2010.05.031</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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