Multivariate phenotypic differentiation among bottleneck lines of the housefly
Multivariate phenotypic differentiation in eight morphometric traits was examined in bottleneck lines of the housefly initiated with one, four, or 16 pairs of flies from a natural outbred population. Differentiation was assessed using a Mahalanobis' distance metric in units of additive genetic...
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| Veröffentlicht in: | Evolution 1990-05, Vol.44 (3), p.660-668 |
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| container_title | Evolution |
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| creator | Bryant, E.H. (University of Houston, Houston, TX) Meffert, L.M |
| description | Multivariate phenotypic differentiation in eight morphometric traits was examined in bottleneck lines of the housefly initiated with one, four, or 16 pairs of flies from a natural outbred population. Differentiation was assessed using a Mahalanobis' distance metric in units of additive genetic variance and covariance estimated from the ancestral population (i.e., generalized genetic distance). This distance metric was partitioned into contributions of size and shape to total distance. Bottleneck lines of all sizes diverged significantly from the ancestral line, but the direction of these shifts differed among the lines of different initial founding size. Those populations founded with single pairs diverged from the ancestral line mostly in shape; the 16-pair lines differentiated almost entirely in size, and the four-pair lines were intermediate in the relative contribution of shape to differentiation from the control. Bottlenecks serve to alter the genetic relationships among traits within the derived populations and in doing so could promote speciation by permitting differentiation of the populations along evolutionary trajectories less accessible to the base population. |
| doi_str_mv | 10.1111/j.1558-5646.1990.tb05946.x |
| format | Article |
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(University of Houston, Houston, TX) ; Meffert, L.M</creator><creatorcontrib>Bryant, E.H. (University of Houston, Houston, TX) ; Meffert, L.M</creatorcontrib><description>Multivariate phenotypic differentiation in eight morphometric traits was examined in bottleneck lines of the housefly initiated with one, four, or 16 pairs of flies from a natural outbred population. Differentiation was assessed using a Mahalanobis' distance metric in units of additive genetic variance and covariance estimated from the ancestral population (i.e., generalized genetic distance). This distance metric was partitioned into contributions of size and shape to total distance. Bottleneck lines of all sizes diverged significantly from the ancestral line, but the direction of these shifts differed among the lines of different initial founding size. Those populations founded with single pairs diverged from the ancestral line mostly in shape; the 16-pair lines differentiated almost entirely in size, and the four-pair lines were intermediate in the relative contribution of shape to differentiation from the control. Bottlenecks serve to alter the genetic relationships among traits within the derived populations and in doing so could promote speciation by permitting differentiation of the populations along evolutionary trajectories less accessible to the base population.</description><identifier>ISSN: 0014-3820</identifier><identifier>EISSN: 1558-5646</identifier><identifier>DOI: 10.1111/j.1558-5646.1990.tb05946.x</identifier><identifier>PMID: 28567987</identifier><language>eng</language><publisher>Malden, MA: Society for the Study of Evolution</publisher><subject>Animals ; Biological and medical sciences ; Covariance matrices ; Diptera ; EVOLUCION ; EVOLUTION ; Evolutionary genetics ; FENOTIPOS ; FILOGENIA ; Flies ; Fundamental and applied biological sciences. Psychology ; Genetic covariance ; Genetic variance ; GENETIC VARIATION ; Genetic vectors ; Genetics ; Genetics of eukaryotes. Biological and molecular evolution ; Insects ; Invertebrata ; Invertebrates ; Mathematical vectors ; MUSCA DOMESTICA ; Muscidae ; PHENOTYPE ; PHENOTYPES ; PHENOTYPIC CORRELATION ; Phenotypic traits ; PHYLOGENIE ; PHYLOGENY ; Population genetics ; Population genetics, reproduction patterns ; SPECIATION ; VARIACION GENETICA ; VARIATION GENETIQUE</subject><ispartof>Evolution, 1990-05, Vol.44 (3), p.660-668</ispartof><rights>1990 The Society for the Study of Evolution</rights><rights>1991 INIST-CNRS</rights><rights>1990 The Society for the Study of Evolution.</rights><rights>Copyright Society for the Study of Evolution May 1990</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5626-ba17a802551bacdee58dc97d6785403b8a467128a187b24e74b5074897d6f3563</citedby><cites>FETCH-LOGICAL-c5626-ba17a802551bacdee58dc97d6785403b8a467128a187b24e74b5074897d6f3563</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/2409443$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/2409443$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,780,784,803,27924,27925,58017,58250</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=19826046$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/28567987$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Bryant, E.H. (University of Houston, Houston, TX)</creatorcontrib><creatorcontrib>Meffert, L.M</creatorcontrib><title>Multivariate phenotypic differentiation among bottleneck lines of the housefly</title><title>Evolution</title><addtitle>Evolution</addtitle><description>Multivariate phenotypic differentiation in eight morphometric traits was examined in bottleneck lines of the housefly initiated with one, four, or 16 pairs of flies from a natural outbred population. Differentiation was assessed using a Mahalanobis' distance metric in units of additive genetic variance and covariance estimated from the ancestral population (i.e., generalized genetic distance). This distance metric was partitioned into contributions of size and shape to total distance. Bottleneck lines of all sizes diverged significantly from the ancestral line, but the direction of these shifts differed among the lines of different initial founding size. Those populations founded with single pairs diverged from the ancestral line mostly in shape; the 16-pair lines differentiated almost entirely in size, and the four-pair lines were intermediate in the relative contribution of shape to differentiation from the control. Bottlenecks serve to alter the genetic relationships among traits within the derived populations and in doing so could promote speciation by permitting differentiation of the populations along evolutionary trajectories less accessible to the base population.</description><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Covariance matrices</subject><subject>Diptera</subject><subject>EVOLUCION</subject><subject>EVOLUTION</subject><subject>Evolutionary genetics</subject><subject>FENOTIPOS</subject><subject>FILOGENIA</subject><subject>Flies</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Genetic covariance</subject><subject>Genetic variance</subject><subject>GENETIC VARIATION</subject><subject>Genetic vectors</subject><subject>Genetics</subject><subject>Genetics of eukaryotes. Biological and molecular evolution</subject><subject>Insects</subject><subject>Invertebrata</subject><subject>Invertebrates</subject><subject>Mathematical vectors</subject><subject>MUSCA DOMESTICA</subject><subject>Muscidae</subject><subject>PHENOTYPE</subject><subject>PHENOTYPES</subject><subject>PHENOTYPIC CORRELATION</subject><subject>Phenotypic traits</subject><subject>PHYLOGENIE</subject><subject>PHYLOGENY</subject><subject>Population genetics</subject><subject>Population genetics, reproduction patterns</subject><subject>SPECIATION</subject><subject>VARIACION GENETICA</subject><subject>VARIATION GENETIQUE</subject><issn>0014-3820</issn><issn>1558-5646</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1990</creationdate><recordtype>article</recordtype><recordid>eNqVkUtv1DAUhS0EokPhD7BAUQWITYZrx09WoKo8pEIXULaWkzgdh0w82A50_j0OGQpigYQ3tnU_n3t8D0InGNY4r-f9GjMmS8YpX2OlYJ1qYCpfrm-h1U3pNloBYFpWksARuhdjDwCKYXUXHRHJuFBSrNCH99OQ3DcTnEm22G3s6NN-55qidV1ngx1TLjg_Fmbrx6ui9ikNdrTNl2Jwo42F74q0scXGT9F2w_4-utOZIdoHh_0YXb4--3T6tjy_ePPu9NV52TBOeFkbLIwEwhiuTdNay2TbKNFyIRmFqpaGcoGJNFiKmlAraM1AUDkjXcV4dYyeLbq74L9ONia9dbGxw2BGm61orIAqAA5VRp_-G83DAgWz5slfYO-nMOZvaEIEEMH5DL1YoCb4GIPt9C64rQl7jUHP6ehezxHoOQI9p6MP6ejr_PjRocNUb2178_RXHBl4cgBMbMzQBTM2Lv5uoSThQGcXLxfuuxvs_j8s6LPPFz-PWeLxItHH5MOfEqQCoUmeCaXz9B4uWGe8Nlchu7n8qDBUUNHqBzVtv0s</recordid><startdate>199005</startdate><enddate>199005</enddate><creator>Bryant, E.H. 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(University of Houston, Houston, TX) ; Meffert, L.M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5626-ba17a802551bacdee58dc97d6785403b8a467128a187b24e74b5074897d6f3563</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1990</creationdate><topic>Animals</topic><topic>Biological and medical sciences</topic><topic>Covariance matrices</topic><topic>Diptera</topic><topic>EVOLUCION</topic><topic>EVOLUTION</topic><topic>Evolutionary genetics</topic><topic>FENOTIPOS</topic><topic>FILOGENIA</topic><topic>Flies</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Genetic covariance</topic><topic>Genetic variance</topic><topic>GENETIC VARIATION</topic><topic>Genetic vectors</topic><topic>Genetics</topic><topic>Genetics of eukaryotes. Biological and molecular evolution</topic><topic>Insects</topic><topic>Invertebrata</topic><topic>Invertebrates</topic><topic>Mathematical vectors</topic><topic>MUSCA DOMESTICA</topic><topic>Muscidae</topic><topic>PHENOTYPE</topic><topic>PHENOTYPES</topic><topic>PHENOTYPIC CORRELATION</topic><topic>Phenotypic traits</topic><topic>PHYLOGENIE</topic><topic>PHYLOGENY</topic><topic>Population genetics</topic><topic>Population genetics, reproduction patterns</topic><topic>SPECIATION</topic><topic>VARIACION GENETICA</topic><topic>VARIATION GENETIQUE</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bryant, E.H. 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(University of Houston, Houston, TX)</au><au>Meffert, L.M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Multivariate phenotypic differentiation among bottleneck lines of the housefly</atitle><jtitle>Evolution</jtitle><addtitle>Evolution</addtitle><date>1990-05</date><risdate>1990</risdate><volume>44</volume><issue>3</issue><spage>660</spage><epage>668</epage><pages>660-668</pages><issn>0014-3820</issn><eissn>1558-5646</eissn><abstract>Multivariate phenotypic differentiation in eight morphometric traits was examined in bottleneck lines of the housefly initiated with one, four, or 16 pairs of flies from a natural outbred population. Differentiation was assessed using a Mahalanobis' distance metric in units of additive genetic variance and covariance estimated from the ancestral population (i.e., generalized genetic distance). This distance metric was partitioned into contributions of size and shape to total distance. Bottleneck lines of all sizes diverged significantly from the ancestral line, but the direction of these shifts differed among the lines of different initial founding size. Those populations founded with single pairs diverged from the ancestral line mostly in shape; the 16-pair lines differentiated almost entirely in size, and the four-pair lines were intermediate in the relative contribution of shape to differentiation from the control. Bottlenecks serve to alter the genetic relationships among traits within the derived populations and in doing so could promote speciation by permitting differentiation of the populations along evolutionary trajectories less accessible to the base population.</abstract><cop>Malden, MA</cop><pub>Society for the Study of Evolution</pub><pmid>28567987</pmid><doi>10.1111/j.1558-5646.1990.tb05946.x</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Animals Biological and medical sciences Covariance matrices Diptera EVOLUCION EVOLUTION Evolutionary genetics FENOTIPOS FILOGENIA Flies Fundamental and applied biological sciences. Psychology Genetic covariance Genetic variance GENETIC VARIATION Genetic vectors Genetics Genetics of eukaryotes. Biological and molecular evolution Insects Invertebrata Invertebrates Mathematical vectors MUSCA DOMESTICA Muscidae PHENOTYPE PHENOTYPES PHENOTYPIC CORRELATION Phenotypic traits PHYLOGENIE PHYLOGENY Population genetics Population genetics, reproduction patterns SPECIATION VARIACION GENETICA VARIATION GENETIQUE |
| title | Multivariate phenotypic differentiation among bottleneck lines of the housefly |
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