EVIDENCE FOR STRONG INTRALOCUS SEXUAL CONFLICT IN THE INDIAN MEAL MOTH, PLODIA INTERPUNCTELLA
Males and females share a genome and express many shared phenotypic traits, which are often selected in opposite directions. This generates intralocus sexual conflict that may constrain trait evolution by preventing the sexes from reaching their optimal phenotype. Furthermore, if present across mult...
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| Veröffentlicht in: | Evolution 2011-07, Vol.65 (7), p.2085-2097 |
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| creator | Lewis, Zenobia Wedell, Nina Hunt, John |
| description | Males and females share a genome and express many shared phenotypic traits, which are often selected in opposite directions. This generates intralocus sexual conflict that may constrain trait evolution by preventing the sexes from reaching their optimal phenotype. Furthermore, if present across multiple loci, intralocus sexual conflict can result in a gender load that may diminish the benefits of sexual selection and help maintain genetic variation for fitness. Despite the importance of intralocus sexual conflict, surprisingly few empirical studies conclusively demonstrate its operation. We show that the pattern of multivariate selection acting on three sexually dimorphic life-history traits (development time, body size, and longevity) in the Indian meal moth, Plodia interpunctella, is opposing for the sexes. Moreover, we combined our estimates of selection with the additive genetic variance-covariance matrix (G) to predict the evolutionary response of the life-history traits in the sexes and showed that the angle between the vector of responses and the vector of sexually antagonistic selection was almost orthogonal at 84.70°. Thus, G biases the predicted response of life-history traits in the sexes away from the direction of sexually antagonistic selection, confirming the presence of strong intralocus sexual conflict in this species. Despite this, sexual dimorphism has evolved in all of the life-history traits examined suggesting that mechanism(s) have evolved to resolve this conflict and allow the sexes to reach their life-history optima. We argue that intralocus sexual conflict is likely to play an important role in the evolution of divergent life-history strategies between the sexes in this species. |
| doi_str_mv | 10.1111/j.1558-5646.2011.01267.x |
| format | Article |
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This generates intralocus sexual conflict that may constrain trait evolution by preventing the sexes from reaching their optimal phenotype. Furthermore, if present across multiple loci, intralocus sexual conflict can result in a gender load that may diminish the benefits of sexual selection and help maintain genetic variation for fitness. Despite the importance of intralocus sexual conflict, surprisingly few empirical studies conclusively demonstrate its operation. We show that the pattern of multivariate selection acting on three sexually dimorphic life-history traits (development time, body size, and longevity) in the Indian meal moth, Plodia interpunctella, is opposing for the sexes. Moreover, we combined our estimates of selection with the additive genetic variance-covariance matrix (G) to predict the evolutionary response of the life-history traits in the sexes and showed that the angle between the vector of responses and the vector of sexually antagonistic selection was almost orthogonal at 84.70°. Thus, G biases the predicted response of life-history traits in the sexes away from the direction of sexually antagonistic selection, confirming the presence of strong intralocus sexual conflict in this species. Despite this, sexual dimorphism has evolved in all of the life-history traits examined suggesting that mechanism(s) have evolved to resolve this conflict and allow the sexes to reach their life-history optima. We argue that intralocus sexual conflict is likely to play an important role in the evolution of divergent life-history strategies between the sexes in this species.</description><identifier>ISSN: 0014-3820</identifier><identifier>EISSN: 1558-5646</identifier><identifier>DOI: 10.1111/j.1558-5646.2011.01267.x</identifier><identifier>PMID: 21729062</identifier><language>eng</language><publisher>Malden, USA: Blackwell Publishing Inc</publisher><subject>Animals ; Antagonistic selection ; Biological Evolution ; Body Size ; Butterflies & moths ; Conflict (Psychology) ; Ecological competition ; Ecological life histories ; Evolution ; Evolution & development ; Evolutionary genetics ; Female ; Female animals ; Gene loci ; genetic covariance matrix ; Genetic Variation ; Genomes ; Genotype & phenotype ; intralocus sexual conflict ; life-history ; Longevity ; Male ; Male animals ; Mating behavior ; Models, Biological ; Moths - genetics ; Moths - growth & development ; Moths - physiology ; Multivariate Analysis ; Phenotype ; Phenotypic traits ; Plodia interpunctella ; Selection, Genetic ; Sex Characteristics ; Sexual Behavior, Animal ; Western Australia</subject><ispartof>Evolution, 2011-07, Vol.65 (7), p.2085-2097</ispartof><rights>Copyright © 2011 Society for the Study of Evolution</rights><rights>2011 The Author(s). © 2011 The Society for the Study of Evolution.</rights><rights>2011 The Author(s). Evolution© 2011 The Society for the Study of Evolution.</rights><rights>Copyright Society for the Study of Evolution Jul 2011</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4567-a42ecf17962974f6d14694017420d7126cafd35711b2723a2682902a3d1cceb23</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/41240800$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/41240800$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,776,780,799,1411,27901,27902,45550,45551,57992,58225</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21729062$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Lewis, Zenobia</creatorcontrib><creatorcontrib>Wedell, Nina</creatorcontrib><creatorcontrib>Hunt, John</creatorcontrib><title>EVIDENCE FOR STRONG INTRALOCUS SEXUAL CONFLICT IN THE INDIAN MEAL MOTH, PLODIA INTERPUNCTELLA</title><title>Evolution</title><addtitle>Evolution</addtitle><description>Males and females share a genome and express many shared phenotypic traits, which are often selected in opposite directions. This generates intralocus sexual conflict that may constrain trait evolution by preventing the sexes from reaching their optimal phenotype. Furthermore, if present across multiple loci, intralocus sexual conflict can result in a gender load that may diminish the benefits of sexual selection and help maintain genetic variation for fitness. Despite the importance of intralocus sexual conflict, surprisingly few empirical studies conclusively demonstrate its operation. We show that the pattern of multivariate selection acting on three sexually dimorphic life-history traits (development time, body size, and longevity) in the Indian meal moth, Plodia interpunctella, is opposing for the sexes. Moreover, we combined our estimates of selection with the additive genetic variance-covariance matrix (G) to predict the evolutionary response of the life-history traits in the sexes and showed that the angle between the vector of responses and the vector of sexually antagonistic selection was almost orthogonal at 84.70°. Thus, G biases the predicted response of life-history traits in the sexes away from the direction of sexually antagonistic selection, confirming the presence of strong intralocus sexual conflict in this species. Despite this, sexual dimorphism has evolved in all of the life-history traits examined suggesting that mechanism(s) have evolved to resolve this conflict and allow the sexes to reach their life-history optima. We argue that intralocus sexual conflict is likely to play an important role in the evolution of divergent life-history strategies between the sexes in this species.</description><subject>Animals</subject><subject>Antagonistic selection</subject><subject>Biological Evolution</subject><subject>Body Size</subject><subject>Butterflies & moths</subject><subject>Conflict (Psychology)</subject><subject>Ecological competition</subject><subject>Ecological life histories</subject><subject>Evolution</subject><subject>Evolution & development</subject><subject>Evolutionary genetics</subject><subject>Female</subject><subject>Female animals</subject><subject>Gene loci</subject><subject>genetic covariance matrix</subject><subject>Genetic Variation</subject><subject>Genomes</subject><subject>Genotype & phenotype</subject><subject>intralocus sexual conflict</subject><subject>life-history</subject><subject>Longevity</subject><subject>Male</subject><subject>Male animals</subject><subject>Mating behavior</subject><subject>Models, Biological</subject><subject>Moths - genetics</subject><subject>Moths - growth & development</subject><subject>Moths - physiology</subject><subject>Multivariate Analysis</subject><subject>Phenotype</subject><subject>Phenotypic traits</subject><subject>Plodia interpunctella</subject><subject>Selection, Genetic</subject><subject>Sex Characteristics</subject><subject>Sexual Behavior, Animal</subject><subject>Western Australia</subject><issn>0014-3820</issn><issn>1558-5646</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpdkU9v0zAchi0E2sq2jwCyuHAhwT_Hf5IDhyh120xe0rXpQEjIShNXamjXkbSi-_Y4dPSAL7b8PK9l-0UIA_HBjc-ND5yHHhdM-JQA-ASokP7xFRqcwWs0IASYF4SUXKK3XdcQQiIO0QW6pCBpRAQdoB_qIR2qLFF4lM_wvJjl2RinWTGLdZ4s5niuvi1ijZM8G-k0KRzCxUS5aZjGGb5Tjt3lxeQTnurcbfVRNZsusqRQWsfX6M2q3HT25mW-QouRKpKJp_NxmsTaqxgX0isZtdUKZCRoJNlK1MBExAhIRkkt3dOqclUHXAIsqaRBSUXork_LoIaqsksaXKGPp3Of2t2vg-32ZrvuKrvZlI92d-hMKDkLZSRDZ374z2x2h_bRXc5JIWeCSu6k9y_SYbm1tXlq19uyfTb_vs0JX07C7_XGPp85ENPXYxrTt2D6Fkxfj_lbjzka9ZD3K5d_d8o33X7XnvMMKCMhIY57J77u9vZ45mX707i05OZrNja3w-n8XsN3cxv8ATiHkOs</recordid><startdate>201107</startdate><enddate>201107</enddate><creator>Lewis, Zenobia</creator><creator>Wedell, Nina</creator><creator>Hunt, John</creator><general>Blackwell Publishing Inc</general><general>Wiley Subscription Services, 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>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>201107</creationdate><title>EVIDENCE FOR STRONG INTRALOCUS SEXUAL CONFLICT IN THE INDIAN MEAL MOTH, PLODIA INTERPUNCTELLA</title><author>Lewis, Zenobia ; Wedell, Nina ; Hunt, John</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4567-a42ecf17962974f6d14694017420d7126cafd35711b2723a2682902a3d1cceb23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Animals</topic><topic>Antagonistic selection</topic><topic>Biological Evolution</topic><topic>Body Size</topic><topic>Butterflies & moths</topic><topic>Conflict (Psychology)</topic><topic>Ecological competition</topic><topic>Ecological life histories</topic><topic>Evolution</topic><topic>Evolution & development</topic><topic>Evolutionary genetics</topic><topic>Female</topic><topic>Female animals</topic><topic>Gene loci</topic><topic>genetic covariance matrix</topic><topic>Genetic Variation</topic><topic>Genomes</topic><topic>Genotype & phenotype</topic><topic>intralocus sexual conflict</topic><topic>life-history</topic><topic>Longevity</topic><topic>Male</topic><topic>Male animals</topic><topic>Mating behavior</topic><topic>Models, Biological</topic><topic>Moths - genetics</topic><topic>Moths - growth & development</topic><topic>Moths - physiology</topic><topic>Multivariate Analysis</topic><topic>Phenotype</topic><topic>Phenotypic traits</topic><topic>Plodia interpunctella</topic><topic>Selection, Genetic</topic><topic>Sex Characteristics</topic><topic>Sexual Behavior, Animal</topic><topic>Western Australia</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lewis, Zenobia</creatorcontrib><creatorcontrib>Wedell, Nina</creatorcontrib><creatorcontrib>Hunt, John</creatorcontrib><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>Animal Behavior Abstracts</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Chemoreception Abstracts</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Neurosciences Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Evolution</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lewis, Zenobia</au><au>Wedell, Nina</au><au>Hunt, John</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>EVIDENCE FOR STRONG INTRALOCUS SEXUAL CONFLICT IN THE INDIAN MEAL MOTH, PLODIA INTERPUNCTELLA</atitle><jtitle>Evolution</jtitle><addtitle>Evolution</addtitle><date>2011-07</date><risdate>2011</risdate><volume>65</volume><issue>7</issue><spage>2085</spage><epage>2097</epage><pages>2085-2097</pages><issn>0014-3820</issn><eissn>1558-5646</eissn><abstract>Males and females share a genome and express many shared phenotypic traits, which are often selected in opposite directions. This generates intralocus sexual conflict that may constrain trait evolution by preventing the sexes from reaching their optimal phenotype. Furthermore, if present across multiple loci, intralocus sexual conflict can result in a gender load that may diminish the benefits of sexual selection and help maintain genetic variation for fitness. Despite the importance of intralocus sexual conflict, surprisingly few empirical studies conclusively demonstrate its operation. We show that the pattern of multivariate selection acting on three sexually dimorphic life-history traits (development time, body size, and longevity) in the Indian meal moth, Plodia interpunctella, is opposing for the sexes. Moreover, we combined our estimates of selection with the additive genetic variance-covariance matrix (G) to predict the evolutionary response of the life-history traits in the sexes and showed that the angle between the vector of responses and the vector of sexually antagonistic selection was almost orthogonal at 84.70°. Thus, G biases the predicted response of life-history traits in the sexes away from the direction of sexually antagonistic selection, confirming the presence of strong intralocus sexual conflict in this species. Despite this, sexual dimorphism has evolved in all of the life-history traits examined suggesting that mechanism(s) have evolved to resolve this conflict and allow the sexes to reach their life-history optima. We argue that intralocus sexual conflict is likely to play an important role in the evolution of divergent life-history strategies between the sexes in this species.</abstract><cop>Malden, USA</cop><pub>Blackwell Publishing Inc</pub><pmid>21729062</pmid><doi>10.1111/j.1558-5646.2011.01267.x</doi><tpages>13</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Evolution, 2011-07, Vol.65 (7), p.2085-2097 |
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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 |
| subjects | Animals Antagonistic selection Biological Evolution Body Size Butterflies & moths Conflict (Psychology) Ecological competition Ecological life histories Evolution Evolution & development Evolutionary genetics Female Female animals Gene loci genetic covariance matrix Genetic Variation Genomes Genotype & phenotype intralocus sexual conflict life-history Longevity Male Male animals Mating behavior Models, Biological Moths - genetics Moths - growth & development Moths - physiology Multivariate Analysis Phenotype Phenotypic traits Plodia interpunctella Selection, Genetic Sex Characteristics Sexual Behavior, Animal Western Australia |
| title | EVIDENCE FOR STRONG INTRALOCUS SEXUAL CONFLICT IN THE INDIAN MEAL MOTH, PLODIA INTERPUNCTELLA |
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