Rapid genotypic change and plasticity in arbuscular mycorrhizal fungi is caused by a host shift and enhanced by segregation.
Identifieur interne : 001B04 ( Main/Corpus ); précédent : 001B03; suivant : 001B05Rapid genotypic change and plasticity in arbuscular mycorrhizal fungi is caused by a host shift and enhanced by segregation.
Auteurs : Caroline Angelard ; Colby J. Tanner ; Pierre Fontanillas ; Hélène Niculita-Hirzel ; Frédéric Masclaux ; Ian R. SandersSource :
- The ISME journal [ 1751-7370 ] ; 2014.
English descriptors
- KwdEn :
- Adaptation, Physiological (genetics), Amplified Fragment Length Polymorphism Analysis (MeSH), Environment (MeSH), Genome, Fungal (MeSH), Genotype (MeSH), Host-Pathogen Interactions (MeSH), Linear Models (MeSH), Molecular Sequence Data (MeSH), Mycorrhizae (genetics), Mycorrhizae (physiology), Phenotype (MeSH), Plants (microbiology).
- MESH :
- genetics : Adaptation, Physiological, Mycorrhizae.
- microbiology : Plants.
- physiology : Mycorrhizae.
- Amplified Fragment Length Polymorphism Analysis, Environment, Genome, Fungal, Genotype, Host-Pathogen Interactions, Linear Models, Molecular Sequence Data, Phenotype.
Abstract
Arbuscular mycorrhizal fungi (AMF) are among the most abundant symbionts of plants, improving plant productivity and diversity. They are thought to mostly grow vegetatively, a trait assumed to limit adaptability. However, AMF can also harbor genetically different nuclei (nucleotypes). It has been shown that one AMF can produce genotypically novel offspring with proportions of different nucleotypes. We hypothesized that (1) AMF respond rapidly to a change of environment (plant host) through changes in the frequency of nucleotypes; (2) genotypically novel offspring exhibit different genetic responses to environmental change than the parent; and (3) genotypically novel offspring exhibit a wide range of phenotypic plasticity to a change of environment. We subjected AMF parents and offspring to a host shift. We observed rapid and large genotypic changes in all AMF lines that were not random. Genotypic and phenotypic responses were different among offspring and their parents. Even though growing vegetatively, AMF offspring display a broad range of genotypic and phenotypic changes in response to host shift. We conclude that AMF have the ability to rapidly produce variable progeny, increasing their probability to produce offspring with different fitness than their parents and, consequently, their potential adaptability to new environmental conditions. Such genotypic and phenotypic flexibility could be a fast alternative to sexual reproduction and is likely to be a key to the ecological success of AMF.
DOI: 10.1038/ismej.2013.154
PubMed: 24030596
PubMed Central: PMC3906815
Links to Exploration step
pubmed:24030596Le document en format XML
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Tanner</name><affiliation><nlm:affiliation>Ecology Center, Utah State University, Logan, UT, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Fontanillas, Pierre" sort="Fontanillas, Pierre" uniqKey="Fontanillas P" first="Pierre" last="Fontanillas">Pierre Fontanillas</name><affiliation><nlm:affiliation>Broad Institute of MIT and Harvard, Cambridge, MA, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Niculita Hirzel, Helene" sort="Niculita Hirzel, Helene" uniqKey="Niculita Hirzel H" first="Hélène" last="Niculita-Hirzel">Hélène Niculita-Hirzel</name><affiliation><nlm:affiliation>Institute for Work and Health, University of Lausanne and Geneva, Lausanne, Switzerland.</nlm:affiliation></affiliation></author><author><name sortKey="Masclaux, Frederic" sort="Masclaux, Frederic" uniqKey="Masclaux F" first="Frédéric" last="Masclaux">Frédéric Masclaux</name><affiliation><nlm:affiliation>1] Department of Ecology and Evolution, University of Lausanne, Lausanne, Switzerland [2] Vital-IT Group, Swiss Institute for Bioinformatics, University of Lausanne, Lausanne, Switzerland.</nlm:affiliation></affiliation></author><author><name sortKey="Sanders, Ian R" sort="Sanders, Ian R" uniqKey="Sanders I" first="Ian R" last="Sanders">Ian R. 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Tanner</name><affiliation><nlm:affiliation>Ecology Center, Utah State University, Logan, UT, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Fontanillas, Pierre" sort="Fontanillas, Pierre" uniqKey="Fontanillas P" first="Pierre" last="Fontanillas">Pierre Fontanillas</name><affiliation><nlm:affiliation>Broad Institute of MIT and Harvard, Cambridge, MA, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Niculita Hirzel, Helene" sort="Niculita Hirzel, Helene" uniqKey="Niculita Hirzel H" first="Hélène" last="Niculita-Hirzel">Hélène Niculita-Hirzel</name><affiliation><nlm:affiliation>Institute for Work and Health, University of Lausanne and Geneva, Lausanne, Switzerland.</nlm:affiliation></affiliation></author><author><name sortKey="Masclaux, Frederic" sort="Masclaux, Frederic" uniqKey="Masclaux F" first="Frédéric" last="Masclaux">Frédéric Masclaux</name><affiliation><nlm:affiliation>1] Department of Ecology and Evolution, University of Lausanne, Lausanne, Switzerland [2] Vital-IT Group, Swiss Institute for Bioinformatics, University of Lausanne, Lausanne, Switzerland.</nlm:affiliation></affiliation></author><author><name sortKey="Sanders, Ian R" sort="Sanders, Ian R" uniqKey="Sanders I" first="Ian R" last="Sanders">Ian R. Sanders</name><affiliation><nlm:affiliation>Department of Ecology and Evolution, University of Lausanne, Lausanne, Switzerland.</nlm:affiliation></affiliation></author></analytic><series><title level="j">The ISME journal</title><idno type="eISSN">1751-7370</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adaptation, Physiological (genetics)</term><term>Amplified Fragment Length Polymorphism Analysis (MeSH)</term><term>Environment (MeSH)</term><term>Genome, Fungal (MeSH)</term><term>Genotype (MeSH)</term><term>Host-Pathogen Interactions (MeSH)</term><term>Linear Models (MeSH)</term><term>Molecular Sequence Data (MeSH)</term><term>Mycorrhizae (genetics)</term><term>Mycorrhizae (physiology)</term><term>Phenotype (MeSH)</term><term>Plants (microbiology)</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Adaptation, Physiological</term><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plants</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Mycorrhizae</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Amplified Fragment Length Polymorphism Analysis</term><term>Environment</term><term>Genome, Fungal</term><term>Genotype</term><term>Host-Pathogen Interactions</term><term>Linear Models</term><term>Molecular Sequence Data</term><term>Phenotype</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Arbuscular mycorrhizal fungi (AMF) are among the most abundant symbionts of plants, improving plant productivity and diversity. They are thought to mostly grow vegetatively, a trait assumed to limit adaptability. However, AMF can also harbor genetically different nuclei (nucleotypes). It has been shown that one AMF can produce genotypically novel offspring with proportions of different nucleotypes. We hypothesized that (1) AMF respond rapidly to a change of environment (plant host) through changes in the frequency of nucleotypes; (2) genotypically novel offspring exhibit different genetic responses to environmental change than the parent; and (3) genotypically novel offspring exhibit a wide range of phenotypic plasticity to a change of environment. We subjected AMF parents and offspring to a host shift. We observed rapid and large genotypic changes in all AMF lines that were not random. Genotypic and phenotypic responses were different among offspring and their parents. Even though growing vegetatively, AMF offspring display a broad range of genotypic and phenotypic changes in response to host shift. We conclude that AMF have the ability to rapidly produce variable progeny, increasing their probability to produce offspring with different fitness than their parents and, consequently, their potential adaptability to new environmental conditions. Such genotypic and phenotypic flexibility could be a fast alternative to sexual reproduction and is likely to be a key to the ecological success of AMF. </div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Curated" Owner="NLM"><PMID Version="1">24030596</PMID><DateCompleted><Year>2014</Year><Month>04</Month><Day>03</Day></DateCompleted><DateRevised><Year>2019</Year><Month>03</Month><Day>18</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1751-7370</ISSN><JournalIssue CitedMedium="Internet"><Volume>8</Volume><Issue>2</Issue><PubDate><Year>2014</Year><Month>Feb</Month></PubDate></JournalIssue><Title>The ISME journal</Title><ISOAbbreviation>ISME J</ISOAbbreviation></Journal><ArticleTitle>Rapid genotypic change and plasticity in arbuscular mycorrhizal fungi is caused by a host shift and enhanced by segregation.</ArticleTitle><Pagination><MedlinePgn>284-94</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1038/ismej.2013.154</ELocationID><Abstract><AbstractText>Arbuscular mycorrhizal fungi (AMF) are among the most abundant symbionts of plants, improving plant productivity and diversity. They are thought to mostly grow vegetatively, a trait assumed to limit adaptability. However, AMF can also harbor genetically different nuclei (nucleotypes). It has been shown that one AMF can produce genotypically novel offspring with proportions of different nucleotypes. We hypothesized that (1) AMF respond rapidly to a change of environment (plant host) through changes in the frequency of nucleotypes; (2) genotypically novel offspring exhibit different genetic responses to environmental change than the parent; and (3) genotypically novel offspring exhibit a wide range of phenotypic plasticity to a change of environment. We subjected AMF parents and offspring to a host shift. We observed rapid and large genotypic changes in all AMF lines that were not random. Genotypic and phenotypic responses were different among offspring and their parents. Even though growing vegetatively, AMF offspring display a broad range of genotypic and phenotypic changes in response to host shift. We conclude that AMF have the ability to rapidly produce variable progeny, increasing their probability to produce offspring with different fitness than their parents and, consequently, their potential adaptability to new environmental conditions. Such genotypic and phenotypic flexibility could be a fast alternative to sexual reproduction and is likely to be a key to the ecological success of AMF. </AbstractText></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, Lausanne, Switzerland.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Tanner</LastName><ForeName>Colby J</ForeName><Initials>CJ</Initials><AffiliationInfo><Affiliation>Ecology Center, Utah State University, Logan, UT, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Fontanillas</LastName><ForeName>Pierre</ForeName><Initials>P</Initials><AffiliationInfo><Affiliation>Broad Institute of MIT and Harvard, Cambridge, MA, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Niculita-Hirzel</LastName><ForeName>Hélène</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>Institute for Work and Health, University of Lausanne and Geneva, Lausanne, Switzerland.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Masclaux</LastName><ForeName>Frédéric</ForeName><Initials>F</Initials><AffiliationInfo><Affiliation>1] Department of Ecology and Evolution, University of Lausanne, Lausanne, Switzerland [2] Vital-IT Group, Swiss Institute for Bioinformatics, University of Lausanne, Lausanne, Switzerland.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Sanders</LastName><ForeName>Ian R</ForeName><Initials>IR</Initials><AffiliationInfo><Affiliation>Department of Ecology and Evolution, University of Lausanne, Lausanne, Switzerland.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><DataBankList 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