Population Differentiation and Genetic Variation in Performance on Eight Hosts in the Pea Aphid Complex
Phytophagous insects frequently use multiple host-plant species leading to the evolution of specialized host-adapted populations and sometimes eventually to speciation. Some insects are confronted with a large number of host-plant species, which may provide complex routes of gene flow between host-a...
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| Veröffentlicht in: | Evolution 2008-10, Vol.62 (10), p.2508-2524 |
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| creator | Ferrari, Julia Via, Sara Godfray, H. Charles J. |
| description | Phytophagous insects frequently use multiple host-plant species leading to the evolution of specialized host-adapted populations and sometimes eventually to speciation. Some insects are confronted with a large number of host-plant species, which may provide complex routes of gene flow between host-adapted populations. The pea aphid (Acyrthosiphon pisum) attacks a broad range of plants in the Fabaceae and it is known that populations on Trifolium pratense and Medicago sativa can be highly specialized at exploiting these species. To find out whether adaptation to a broad range of co-occurring hosts has occurred, we tested the performance of pea aphid clones collected from eight host-plant genera on all of these plants in a reciprocal transfer experiment. We provide evidence for pervasive host-plant specialization. The high performance of all aphid clones on Vicia faba suggests that this host plant could be a site of gene flow between different populations that could limit further host-associated divergence. The genetic variance in host-plant usage was partitioned into within- and among-population components, which represent different levels of host adaptation. Little evidence of within-population trade-offs in performance on different plant species was found. |
| doi_str_mv | 10.1111/j.1558-5646.2008.00468.x |
| format | Article |
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Charles J.</creator><contributor>Feder, J</contributor><creatorcontrib>Ferrari, Julia ; Via, Sara ; Godfray, H. Charles J. ; Feder, J</creatorcontrib><description>Phytophagous insects frequently use multiple host-plant species leading to the evolution of specialized host-adapted populations and sometimes eventually to speciation. Some insects are confronted with a large number of host-plant species, which may provide complex routes of gene flow between host-adapted populations. The pea aphid (Acyrthosiphon pisum) attacks a broad range of plants in the Fabaceae and it is known that populations on Trifolium pratense and Medicago sativa can be highly specialized at exploiting these species. To find out whether adaptation to a broad range of co-occurring hosts has occurred, we tested the performance of pea aphid clones collected from eight host-plant genera on all of these plants in a reciprocal transfer experiment. We provide evidence for pervasive host-plant specialization. The high performance of all aphid clones on Vicia faba suggests that this host plant could be a site of gene flow between different populations that could limit further host-associated divergence. The genetic variance in host-plant usage was partitioned into within- and among-population components, which represent different levels of host adaptation. Little evidence of within-population trade-offs in performance on different plant species was found.</description><identifier>ISSN: 0014-3820</identifier><identifier>EISSN: 1558-5646</identifier><identifier>DOI: 10.1111/j.1558-5646.2008.00468.x</identifier><identifier>PMID: 18647340</identifier><language>eng</language><publisher>Malden, USA: Blackwell Publishing Inc</publisher><subject>Acyrthosiphon pisum ; Adaptation, Physiological ; Animal populations ; Animals ; Aphididae ; Aphids - genetics ; Aphids - physiology ; Cloning ; Ecological genetics ; ecological speciation ; England ; Entomology ; Environment ; Evolution ; evolution of specialization ; Evolutionary biology ; Fabaceae ; Fecundity ; Flowers & plants ; Gene Flow ; Genetic Speciation ; Genotype ; Genotypes ; Host plants ; Insects ; Medicago sativa ; Nonnative species ; Original s ; Peas ; Plant collections ; Plants ; Population genetics ; reciprocal transfer experiment ; Test plants ; Trifolium pratense ; Vicia faba</subject><ispartof>Evolution, 2008-10, Vol.62 (10), p.2508-2524</ispartof><rights>2008 The Author(s). Journal compilation © 2008 The Society for the Study of Evolution</rights><rights>Copyright 2008 The Society for the Study of Evolution</rights><rights>Copyright Society for the Study of Evolution Oct 2008</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-b4968-9153a38fff5d38753babf700e5fd4de43255ef8ff9be1b2a662b560347c6f5f23</citedby><cites>FETCH-LOGICAL-b4968-9153a38fff5d38753babf700e5fd4de43255ef8ff9be1b2a662b560347c6f5f23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://bioone.org/doi/pdf/10.1111/j.1558-5646.2008.00468.x$$EPDF$$P50$$Gbioone$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/25150857$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,776,780,799,1411,26955,27901,27902,45550,45551,52338,57992,58225</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18647340$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><contributor>Feder, J</contributor><creatorcontrib>Ferrari, Julia</creatorcontrib><creatorcontrib>Via, Sara</creatorcontrib><creatorcontrib>Godfray, H. Charles J.</creatorcontrib><title>Population Differentiation and Genetic Variation in Performance on Eight Hosts in the Pea Aphid Complex</title><title>Evolution</title><addtitle>Evolution</addtitle><description>Phytophagous insects frequently use multiple host-plant species leading to the evolution of specialized host-adapted populations and sometimes eventually to speciation. Some insects are confronted with a large number of host-plant species, which may provide complex routes of gene flow between host-adapted populations. The pea aphid (Acyrthosiphon pisum) attacks a broad range of plants in the Fabaceae and it is known that populations on Trifolium pratense and Medicago sativa can be highly specialized at exploiting these species. To find out whether adaptation to a broad range of co-occurring hosts has occurred, we tested the performance of pea aphid clones collected from eight host-plant genera on all of these plants in a reciprocal transfer experiment. We provide evidence for pervasive host-plant specialization. The high performance of all aphid clones on Vicia faba suggests that this host plant could be a site of gene flow between different populations that could limit further host-associated divergence. The genetic variance in host-plant usage was partitioned into within- and among-population components, which represent different levels of host adaptation. Little evidence of within-population trade-offs in performance on different plant species was found.</description><subject>Acyrthosiphon pisum</subject><subject>Adaptation, Physiological</subject><subject>Animal populations</subject><subject>Animals</subject><subject>Aphididae</subject><subject>Aphids - genetics</subject><subject>Aphids - physiology</subject><subject>Cloning</subject><subject>Ecological genetics</subject><subject>ecological speciation</subject><subject>England</subject><subject>Entomology</subject><subject>Environment</subject><subject>Evolution</subject><subject>evolution of specialization</subject><subject>Evolutionary biology</subject><subject>Fabaceae</subject><subject>Fecundity</subject><subject>Flowers & plants</subject><subject>Gene Flow</subject><subject>Genetic Speciation</subject><subject>Genotype</subject><subject>Genotypes</subject><subject>Host plants</subject><subject>Insects</subject><subject>Medicago sativa</subject><subject>Nonnative species</subject><subject>Original s</subject><subject>Peas</subject><subject>Plant collections</subject><subject>Plants</subject><subject>Population genetics</subject><subject>reciprocal transfer experiment</subject><subject>Test plants</subject><subject>Trifolium pratense</subject><subject>Vicia faba</subject><issn>0014-3820</issn><issn>1558-5646</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkU9v1DAQxSMEokvhI4AiDtyy-H8ciUu1bLeVCq2q0kpcLCcZdx2y8dZOxPbb1yGrReJCfbE97_dGmnlJkmI0x_F8buaYc5lxwcScICTnCDEh57sXyewgvExmCGGWUUnQUfImhAYhVHBcvE6OsBQspwzNkvsrtx1a3VvXpV-tMeCh6-30112drqCD3lbprfb7qu3SK_DG-Y3uKkhjZWnv13165kIfRrVfQyR0erJd2zpduM22hd3b5JXRbYB3-_s4-XG6vFmcZReXq_PFyUVWskLIrMCcaiqNMbymMue01KXJEQJualYDo4RzMFEvSsAl0UKQkgtEWV4Jww2hx8mnqe_Wu4cBQq82NlTQtroDNwQlipzmssD_BQkigjI2gh__ARs3-C4OoQjJkaBxjxGSE1R5F4IHo7bebrR_VBipMTLVqDEZNSajxsjUn8jULlo_7PsP5Qbqv8Z9RhH4MgG_bQuPz26slreX8RHt7yd7E3rnD3bCMUeS51HPJt2GHnYHXftfSsRdcXX3faXE6c31Nfn2U91FXkx8aZ3r4PmDPgH4T81y</recordid><startdate>200810</startdate><enddate>200810</enddate><creator>Ferrari, Julia</creator><creator>Via, Sara</creator><creator>Godfray, H. Charles J.</creator><general>Blackwell Publishing Inc</general><general>Blackwell Publishing, Inc</general><general>Oxford University Press</general><scope>BSCLL</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>7QG</scope><scope>7QL</scope><scope>7QP</scope><scope>7QR</scope><scope>7SN</scope><scope>7SS</scope><scope>7TK</scope><scope>7TM</scope><scope>7U9</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>H94</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>7X8</scope></search><sort><creationdate>200810</creationdate><title>Population Differentiation and Genetic Variation in Performance on Eight Hosts in the Pea Aphid Complex</title><author>Ferrari, Julia ; Via, Sara ; Godfray, H. Charles J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-b4968-9153a38fff5d38753babf700e5fd4de43255ef8ff9be1b2a662b560347c6f5f23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Acyrthosiphon pisum</topic><topic>Adaptation, Physiological</topic><topic>Animal populations</topic><topic>Animals</topic><topic>Aphididae</topic><topic>Aphids - genetics</topic><topic>Aphids - physiology</topic><topic>Cloning</topic><topic>Ecological genetics</topic><topic>ecological speciation</topic><topic>England</topic><topic>Entomology</topic><topic>Environment</topic><topic>Evolution</topic><topic>evolution of specialization</topic><topic>Evolutionary biology</topic><topic>Fabaceae</topic><topic>Fecundity</topic><topic>Flowers & plants</topic><topic>Gene Flow</topic><topic>Genetic Speciation</topic><topic>Genotype</topic><topic>Genotypes</topic><topic>Host plants</topic><topic>Insects</topic><topic>Medicago sativa</topic><topic>Nonnative species</topic><topic>Original s</topic><topic>Peas</topic><topic>Plant collections</topic><topic>Plants</topic><topic>Population genetics</topic><topic>reciprocal transfer experiment</topic><topic>Test plants</topic><topic>Trifolium pratense</topic><topic>Vicia faba</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ferrari, Julia</creatorcontrib><creatorcontrib>Via, Sara</creatorcontrib><creatorcontrib>Godfray, H. 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Charles J.</au><au>Feder, J</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Population Differentiation and Genetic Variation in Performance on Eight Hosts in the Pea Aphid Complex</atitle><jtitle>Evolution</jtitle><addtitle>Evolution</addtitle><date>2008-10</date><risdate>2008</risdate><volume>62</volume><issue>10</issue><spage>2508</spage><epage>2524</epage><pages>2508-2524</pages><issn>0014-3820</issn><eissn>1558-5646</eissn><abstract>Phytophagous insects frequently use multiple host-plant species leading to the evolution of specialized host-adapted populations and sometimes eventually to speciation. Some insects are confronted with a large number of host-plant species, which may provide complex routes of gene flow between host-adapted populations. The pea aphid (Acyrthosiphon pisum) attacks a broad range of plants in the Fabaceae and it is known that populations on Trifolium pratense and Medicago sativa can be highly specialized at exploiting these species. To find out whether adaptation to a broad range of co-occurring hosts has occurred, we tested the performance of pea aphid clones collected from eight host-plant genera on all of these plants in a reciprocal transfer experiment. We provide evidence for pervasive host-plant specialization. The high performance of all aphid clones on Vicia faba suggests that this host plant could be a site of gene flow between different populations that could limit further host-associated divergence. The genetic variance in host-plant usage was partitioned into within- and among-population components, which represent different levels of host adaptation. Little evidence of within-population trade-offs in performance on different plant species was found.</abstract><cop>Malden, USA</cop><pub>Blackwell Publishing Inc</pub><pmid>18647340</pmid><doi>10.1111/j.1558-5646.2008.00468.x</doi><tpages>17</tpages><oa>free_for_read</oa></addata></record> |
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| source | Jstor Complete Legacy; Oxford University Press Journals All Titles (1996-Current); MEDLINE; Wiley Online Library Journals Frontfile Complete; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; BioOne Complete |
| subjects | Acyrthosiphon pisum Adaptation, Physiological Animal populations Animals Aphididae Aphids - genetics Aphids - physiology Cloning Ecological genetics ecological speciation England Entomology Environment Evolution evolution of specialization Evolutionary biology Fabaceae Fecundity Flowers & plants Gene Flow Genetic Speciation Genotype Genotypes Host plants Insects Medicago sativa Nonnative species Original s Peas Plant collections Plants Population genetics reciprocal transfer experiment Test plants Trifolium pratense Vicia faba |
| title | Population Differentiation and Genetic Variation in Performance on Eight Hosts in the Pea Aphid Complex |
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