Host Genotype and Colonist Arrival Order Jointly Govern Plant Microbiome Composition and Function.
Identifieur interne : 000348 ( Main/Exploration ); précédent : 000347; suivant : 000349Host Genotype and Colonist Arrival Order Jointly Govern Plant Microbiome Composition and Function.
Auteurs : Devin R. Leopold [États-Unis] ; Posy E. Busby [États-Unis]Source :
- Current biology : CB [ 1879-0445 ] ; 2020.
Abstract
The composition of host-associated microbiomes can have important consequences for host health and fitness [1-3]. Yet we still lack understanding of many fundamental processes that determine microbiome composition [4, 5]. There is mounting evidence that historical contingency during microbiome assembly may overshadow more deterministic processes, such as the selective filters imposed by host traits [6-8]. More specifically, species arrival order has been frequently shown to affect microbiome composition [9-12], a phenomenon known as priority effects [13-15]. However, it is less clear whether priority effects during microbiome assembly are consequential for the host [16] or whether intraspecific variation in host traits can alter the trajectory of microbiome assembly under priority effects. In a greenhouse inoculation experiment using the black cottonwood (Populus trichocarpa) foliar microbiome, we manipulated host genotype and the colonization order of common foliar fungi. We quantified microbiome assembly outcomes using fungal marker gene sequencing and measured susceptibility of the colonized host to a leaf rust pathogen, Melampsora × columbiana. We found that the effect of species arrival order on microbiome composition, and subsequent disease susceptibility, depended on the host genotype. Additionally, we found that microbiome assembly history can affect host disease susceptibility independent of microbiome composition at the time of pathogen exposure, suggesting that the interactive effects of species arrival order and host genotype can decouple community composition and function. Overall, these results highlight the importance of a key process underlying stochasticity in microbiome assembly while also revealing which hosts are most likely to experience these effects.
DOI: 10.1016/j.cub.2020.06.011
PubMed: 32679100
Affiliations:
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Leopold</name><affiliation wicri:level="2"><nlm:affiliation>Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331, USA. Electronic address: devin.leopold@gmail.com.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331</wicri:regionArea><placeName><region type="state">Oregon</region></placeName></affiliation></author><author><name sortKey="Busby, Posy E" sort="Busby, Posy E" uniqKey="Busby P" first="Posy E" last="Busby">Posy E. Busby</name><affiliation wicri:level="2"><nlm:affiliation>Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331, USA. Electronic address: posy.busby@oregonstate.edu.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331</wicri:regionArea><placeName><region type="state">Oregon</region></placeName></affiliation></author></analytic><series><title level="j">Current biology : CB</title><idno type="eISSN">1879-0445</idno><imprint><date when="2020" type="published">2020</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The composition of host-associated microbiomes can have important consequences for host health and fitness [1-3]. Yet we still lack understanding of many fundamental processes that determine microbiome composition [4, 5]. There is mounting evidence that historical contingency during microbiome assembly may overshadow more deterministic processes, such as the selective filters imposed by host traits [6-8]. More specifically, species arrival order has been frequently shown to affect microbiome composition [9-12], a phenomenon known as priority effects [13-15]. However, it is less clear whether priority effects during microbiome assembly are consequential for the host [16] or whether intraspecific variation in host traits can alter the trajectory of microbiome assembly under priority effects. In a greenhouse inoculation experiment using the black cottonwood (Populus trichocarpa) foliar microbiome, we manipulated host genotype and the colonization order of common foliar fungi. We quantified microbiome assembly outcomes using fungal marker gene sequencing and measured susceptibility of the colonized host to a leaf rust pathogen, Melampsora × columbiana. We found that the effect of species arrival order on microbiome composition, and subsequent disease susceptibility, depended on the host genotype. Additionally, we found that microbiome assembly history can affect host disease susceptibility independent of microbiome composition at the time of pathogen exposure, suggesting that the interactive effects of species arrival order and host genotype can decouple community composition and function. Overall, these results highlight the importance of a key process underlying stochasticity in microbiome assembly while also revealing which hosts are most likely to experience these effects.</div></front></TEI><pubmed><MedlineCitation Status="In-Data-Review" Owner="NLM"><PMID Version="1">32679100</PMID><DateRevised><Year>2020</Year><Month>08</Month><Day>19</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1879-0445</ISSN><JournalIssue CitedMedium="Internet"><Volume>30</Volume><Issue>16</Issue><PubDate><Year>2020</Year><Month>Aug</Month><Day>17</Day></PubDate></JournalIssue><Title>Current biology : CB</Title><ISOAbbreviation>Curr Biol</ISOAbbreviation></Journal><ArticleTitle>Host Genotype and Colonist Arrival Order Jointly Govern Plant Microbiome Composition and Function.</ArticleTitle><Pagination><MedlinePgn>3260-3266.e5</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0960-9822(20)30827-7</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.cub.2020.06.011</ELocationID><Abstract><AbstractText>The composition of host-associated microbiomes can have important consequences for host health and fitness [1-3]. Yet we still lack understanding of many fundamental processes that determine microbiome composition [4, 5]. There is mounting evidence that historical contingency during microbiome assembly may overshadow more deterministic processes, such as the selective filters imposed by host traits [6-8]. More specifically, species arrival order has been frequently shown to affect microbiome composition [9-12], a phenomenon known as priority effects [13-15]. However, it is less clear whether priority effects during microbiome assembly are consequential for the host [16] or whether intraspecific variation in host traits can alter the trajectory of microbiome assembly under priority effects. In a greenhouse inoculation experiment using the black cottonwood (Populus trichocarpa) foliar microbiome, we manipulated host genotype and the colonization order of common foliar fungi. We quantified microbiome assembly outcomes using fungal marker gene sequencing and measured susceptibility of the colonized host to a leaf rust pathogen, Melampsora × columbiana. We found that the effect of species arrival order on microbiome composition, and subsequent disease susceptibility, depended on the host genotype. Additionally, we found that microbiome assembly history can affect host disease susceptibility independent of microbiome composition at the time of pathogen exposure, suggesting that the interactive effects of species arrival order and host genotype can decouple community composition and function. Overall, these results highlight the importance of a key process underlying stochasticity in microbiome assembly while also revealing which hosts are most likely to experience these effects.</AbstractText><CopyrightInformation>Copyright © 2020 Elsevier Inc. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Leopold</LastName><ForeName>Devin R</ForeName><Initials>DR</Initials><AffiliationInfo><Affiliation>Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331, USA. Electronic address: devin.leopold@gmail.com.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Busby</LastName><ForeName>Posy E</ForeName><Initials>PE</Initials><AffiliationInfo><Affiliation>Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331, USA. Electronic address: posy.busby@oregonstate.edu.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2020</Year><Month>07</Month><Day>16</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Curr Biol</MedlineTA><NlmUniqueID>9107782</NlmUniqueID><ISSNLinking>0960-9822</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Populus trichocarpa</Keyword><Keyword MajorTopicYN="N">community assembly</Keyword><Keyword MajorTopicYN="N">endophyte</Keyword><Keyword MajorTopicYN="N">foliar fungi</Keyword><Keyword MajorTopicYN="N">historical contingency</Keyword><Keyword MajorTopicYN="N">plant microbiome</Keyword><Keyword MajorTopicYN="N">priority effects</Keyword></KeywordList><CoiStatement>Declaration of Interests The authors declare no competing interests.</CoiStatement></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2020</Year><Month>04</Month><Day>09</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2020</Year><Month>05</Month><Day>28</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2020</Year><Month>06</Month><Day>02</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2020</Year><Month>7</Month><Day>18</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>7</Month><Day>18</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2020</Year><Month>7</Month><Day>18</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">32679100</ArticleId><ArticleId IdType="pii">S0960-9822(20)30827-7</ArticleId><ArticleId IdType="doi">10.1016/j.cub.2020.06.011</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Oregon</li></region></list><tree><country name="États-Unis"><region name="Oregon"><name sortKey="Leopold, Devin R" sort="Leopold, Devin R" uniqKey="Leopold D" first="Devin R" last="Leopold">Devin R. 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