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Host-specific differentiation among populations of Venturia inaequalis causing scab on apple, pyracantha and loquat
Patterns of multilocus DNA sequence variation within and between closely related taxa can provide insights into the history of divergence. Here, we report on DNA polymorphism and divergence at six nuclear loci in globally distributed samples of the ascomycete Venturia inaequalis, responsible for sca...
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Published in: | Fungal genetics and biology 2010-06, Vol.47 (6), p.511-521 |
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description | Patterns of multilocus DNA sequence variation within and between closely related taxa can provide insights into the history of divergence. Here, we report on DNA polymorphism and divergence at six nuclear loci in globally distributed samples of the ascomycete
Venturia inaequalis, responsible for scab on apple, loquat, and pyracantha. Isolates from different hosts were differentiated but did not form diagnosable distinct phylogenetic species. Parameters of an Isolation-with-Migration model estimated from the data suggested that the large amount of variation shared among groups more likely resulted from recent splitting than from extensive genetic exchanges. Inferred levels of gene flow among groups were low and more concentrated toward recent times, and we identified two potentially recent one-off shifters from apple and pyracantha to loquat. These findings support a scenario of recent divergence in allopatry followed by introgression through secondary contact, with groups from loquat and pyracantha being the most recently differentiated. |
doi_str_mv | 10.1016/j.fgb.2009.12.007 |
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Venturia inaequalis, responsible for scab on apple, loquat, and pyracantha. Isolates from different hosts were differentiated but did not form diagnosable distinct phylogenetic species. Parameters of an Isolation-with-Migration model estimated from the data suggested that the large amount of variation shared among groups more likely resulted from recent splitting than from extensive genetic exchanges. Inferred levels of gene flow among groups were low and more concentrated toward recent times, and we identified two potentially recent one-off shifters from apple and pyracantha to loquat. These findings support a scenario of recent divergence in allopatry followed by introgression through secondary contact, with groups from loquat and pyracantha being the most recently differentiated.</description><identifier>ISSN: 1087-1845</identifier><identifier>EISSN: 1096-0937</identifier><identifier>DOI: 10.1016/j.fgb.2009.12.007</identifier><identifier>PMID: 20060485</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Allopatry ; Ascomycetes ; Ascomycota - classification ; Ascomycota - genetics ; Ascomycota - isolation & purification ; Divergence population genetics ; Eriobotrya ; Eriobotrya - microbiology ; Evolution, Molecular ; Gene Flow ; Genes, Fungal ; Genetics ; Haplotypes ; Host-Pathogen Interactions ; Life Sciences ; Malus ; Malus - microbiology ; Phylogenetic species recognition ; Phylogeny ; Plant Diseases - microbiology ; Polymorphism, Single Nucleotide ; Pyracantha - microbiology ; Recombination, Genetic ; Reproductive isolation ; Specialization ; Speciation ; Spilocaea</subject><ispartof>Fungal genetics and biology, 2010-06, Vol.47 (6), p.511-521</ispartof><rights>2009 Elsevier Inc.</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c357t-28b27318448219b69542f4e3fe785f1b1f252656de649dda2b3f375dc1d7c4453</citedby><cites>FETCH-LOGICAL-c357t-28b27318448219b69542f4e3fe785f1b1f252656de649dda2b3f375dc1d7c4453</cites><orcidid>0000-0003-1929-1576 ; 0000-0002-2388-3630</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/20060485$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://hal.inrae.fr/hal-02668199$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Gladieux, P.</creatorcontrib><creatorcontrib>Caffier, V.</creatorcontrib><creatorcontrib>Devaux, M.</creatorcontrib><creatorcontrib>Le Cam, B.</creatorcontrib><title>Host-specific differentiation among populations of Venturia inaequalis causing scab on apple, pyracantha and loquat</title><title>Fungal genetics and biology</title><addtitle>Fungal Genet Biol</addtitle><description>Patterns of multilocus DNA sequence variation within and between closely related taxa can provide insights into the history of divergence. Here, we report on DNA polymorphism and divergence at six nuclear loci in globally distributed samples of the ascomycete
Venturia inaequalis, responsible for scab on apple, loquat, and pyracantha. Isolates from different hosts were differentiated but did not form diagnosable distinct phylogenetic species. Parameters of an Isolation-with-Migration model estimated from the data suggested that the large amount of variation shared among groups more likely resulted from recent splitting than from extensive genetic exchanges. Inferred levels of gene flow among groups were low and more concentrated toward recent times, and we identified two potentially recent one-off shifters from apple and pyracantha to loquat. These findings support a scenario of recent divergence in allopatry followed by introgression through secondary contact, with groups from loquat and pyracantha being the most recently differentiated.</description><subject>Allopatry</subject><subject>Ascomycetes</subject><subject>Ascomycota - classification</subject><subject>Ascomycota - genetics</subject><subject>Ascomycota - isolation & purification</subject><subject>Divergence population genetics</subject><subject>Eriobotrya</subject><subject>Eriobotrya - microbiology</subject><subject>Evolution, Molecular</subject><subject>Gene Flow</subject><subject>Genes, Fungal</subject><subject>Genetics</subject><subject>Haplotypes</subject><subject>Host-Pathogen Interactions</subject><subject>Life Sciences</subject><subject>Malus</subject><subject>Malus - microbiology</subject><subject>Phylogenetic species recognition</subject><subject>Phylogeny</subject><subject>Plant Diseases - microbiology</subject><subject>Polymorphism, Single Nucleotide</subject><subject>Pyracantha - microbiology</subject><subject>Recombination, Genetic</subject><subject>Reproductive isolation</subject><subject>Specialization</subject><subject>Speciation</subject><subject>Spilocaea</subject><issn>1087-1845</issn><issn>1096-0937</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqFkc1u1DAUhSMEoqXwAGzAO4REgq8d_0RdVRUwSCOxgLK1HP9MPcrEwU4q9e1xSOkSVrauv3N15K-qXgNuAAP_eGz8oW8Ixl0DpMFYPKnOAXe8xh0VT9e7FDXIlp1VL3I-YgzAWnhenZUIx61k51XexTzXeXIm-GCQDd675MY56DnEEelTHA9oitMy_BlkFD36Wd6XFDQKo3a_Fj2EjIxecihoNrpHa3CaBvcBTfdJGz3Otxrp0aIhFnx-WT3zesju1cN5Ud18_vTjelfvv335en21rw1lYq6J7ImgpX4rCXQ971hLfOuod0IyDz14wghn3DredtZq0lNPBbMGrDBty-hF9X7be6sHNaVw0uleRR3U7mqv1hkmnEvoujso7LuNnVLp6PKsTiEbNwx6dHHJStKOUyo69l9SUEqBEckLCRtpUsw5Of9YArBaBaqjKgLVKlABUUVgybx52L70J2cfE3-NFeDtBngdlT6kkNXNd4KBYpAMJJeFuNwIV_72LriksgluNM6G5MysbAz_KPAbka20Xg</recordid><startdate>201006</startdate><enddate>201006</enddate><creator>Gladieux, P.</creator><creator>Caffier, V.</creator><creator>Devaux, M.</creator><creator>Le Cam, B.</creator><general>Elsevier Inc</general><general>Elsevier</general><scope>FBQ</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>8FD</scope><scope>FR3</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0003-1929-1576</orcidid><orcidid>https://orcid.org/0000-0002-2388-3630</orcidid></search><sort><creationdate>201006</creationdate><title>Host-specific differentiation among populations of Venturia inaequalis causing scab on apple, pyracantha and loquat</title><author>Gladieux, P. ; Caffier, V. ; Devaux, M. ; Le Cam, B.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c357t-28b27318448219b69542f4e3fe785f1b1f252656de649dda2b3f375dc1d7c4453</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Allopatry</topic><topic>Ascomycetes</topic><topic>Ascomycota - classification</topic><topic>Ascomycota - genetics</topic><topic>Ascomycota - isolation & purification</topic><topic>Divergence population genetics</topic><topic>Eriobotrya</topic><topic>Eriobotrya - microbiology</topic><topic>Evolution, Molecular</topic><topic>Gene Flow</topic><topic>Genes, Fungal</topic><topic>Genetics</topic><topic>Haplotypes</topic><topic>Host-Pathogen Interactions</topic><topic>Life Sciences</topic><topic>Malus</topic><topic>Malus - microbiology</topic><topic>Phylogenetic species recognition</topic><topic>Phylogeny</topic><topic>Plant Diseases - microbiology</topic><topic>Polymorphism, Single Nucleotide</topic><topic>Pyracantha - microbiology</topic><topic>Recombination, Genetic</topic><topic>Reproductive isolation</topic><topic>Specialization</topic><topic>Speciation</topic><topic>Spilocaea</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gladieux, P.</creatorcontrib><creatorcontrib>Caffier, V.</creatorcontrib><creatorcontrib>Devaux, M.</creatorcontrib><creatorcontrib>Le Cam, B.</creatorcontrib><collection>AGRIS</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Fungal genetics and biology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gladieux, P.</au><au>Caffier, V.</au><au>Devaux, M.</au><au>Le Cam, B.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Host-specific differentiation among populations of Venturia inaequalis causing scab on apple, pyracantha and loquat</atitle><jtitle>Fungal genetics and biology</jtitle><addtitle>Fungal Genet Biol</addtitle><date>2010-06</date><risdate>2010</risdate><volume>47</volume><issue>6</issue><spage>511</spage><epage>521</epage><pages>511-521</pages><issn>1087-1845</issn><eissn>1096-0937</eissn><abstract>Patterns of multilocus DNA sequence variation within and between closely related taxa can provide insights into the history of divergence. 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Venturia inaequalis, responsible for scab on apple, loquat, and pyracantha. Isolates from different hosts were differentiated but did not form diagnosable distinct phylogenetic species. Parameters of an Isolation-with-Migration model estimated from the data suggested that the large amount of variation shared among groups more likely resulted from recent splitting than from extensive genetic exchanges. Inferred levels of gene flow among groups were low and more concentrated toward recent times, and we identified two potentially recent one-off shifters from apple and pyracantha to loquat. These findings support a scenario of recent divergence in allopatry followed by introgression through secondary contact, with groups from loquat and pyracantha being the most recently differentiated.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>20060485</pmid><doi>10.1016/j.fgb.2009.12.007</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0003-1929-1576</orcidid><orcidid>https://orcid.org/0000-0002-2388-3630</orcidid></addata></record> |
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subjects | Allopatry Ascomycetes Ascomycota - classification Ascomycota - genetics Ascomycota - isolation & purification Divergence population genetics Eriobotrya Eriobotrya - microbiology Evolution, Molecular Gene Flow Genes, Fungal Genetics Haplotypes Host-Pathogen Interactions Life Sciences Malus Malus - microbiology Phylogenetic species recognition Phylogeny Plant Diseases - microbiology Polymorphism, Single Nucleotide Pyracantha - microbiology Recombination, Genetic Reproductive isolation Specialization Speciation Spilocaea |
title | Host-specific differentiation among populations of Venturia inaequalis causing scab on apple, pyracantha and loquat |
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