Ecotypic mode of regional differentiation caused by restricted gene migration: a case in black cottonwood (Populus trichocarpa) along the Pacific Northwest coast
Genetic differentiation of black cottonwood (Populus balsamifera subsp. trichocarpa (Torr. & A. Gray ex Hook) Brayshaw) across a “no-cottonwood” belt on the coast of central British Columbia (BC), Canada, was examined using data on 3 year height, severity of infection by Valsa sordida Nitschke a...
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| Veröffentlicht in: | Canadian journal of forest research 2009-03, Vol.39 (3), p.519-526 |
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| creator | Xie, Chang-Yi Ying, Cheng C Yanchuk, Alvin D Holowachuk, Diane L |
| description | Genetic differentiation of black cottonwood (Populus balsamifera subsp. trichocarpa (Torr. & A. Gray ex Hook) Brayshaw) across a “no-cottonwood” belt on the coast of central British Columbia (BC), Canada, was examined using data on 3 year height, severity of infection by Valsa sordida Nitschke and Melampsora occidentalis H. Jacks., and abnormality of leaf flushing. The data were collected in a common-garden test consisting of 180 provenances of 36 drainages ranging from northern BC to Oregon, USA. The results demonstrated an ecotypic mode, north-south regional differentiation. Valsa sordida and M. occidentalis infected 41% and 89%, respectively, of the trees from the northern region, while 66% showed flushing abnormality. In contrast, only 1% and 27% of their southern counterparts were infected by the same diseases, and 1% had abnormal flushing. Trees from the northern region averaged 87% shorter than those from the south. Regional differentiation accounted for the highest amount of variation observed in all traits, with 60% in 3 year height, 34% in V. sordida, 76% in M. occidentalis, and 50% in abnormal leaf flushing. Regression analysis revealed geographic patterns that essentially reflected regional differentiation along the no-cottonwood belt. The species' distribution biography, ecological characteristics, and life history suggest that restricted gene migration was the main factor responsible for the observed geographic patterns of genetic differentiation. |
| doi_str_mv | 10.1139/x08-190 |
| format | Article |
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Gray ex Hook) Brayshaw) across a “no-cottonwood” belt on the coast of central British Columbia (BC), Canada, was examined using data on 3 year height, severity of infection by Valsa sordida Nitschke and Melampsora occidentalis H. Jacks., and abnormality of leaf flushing. The data were collected in a common-garden test consisting of 180 provenances of 36 drainages ranging from northern BC to Oregon, USA. The results demonstrated an ecotypic mode, north-south regional differentiation. Valsa sordida and M. occidentalis infected 41% and 89%, respectively, of the trees from the northern region, while 66% showed flushing abnormality. In contrast, only 1% and 27% of their southern counterparts were infected by the same diseases, and 1% had abnormal flushing. Trees from the northern region averaged 87% shorter than those from the south. Regional differentiation accounted for the highest amount of variation observed in all traits, with 60% in 3 year height, 34% in V. sordida, 76% in M. occidentalis, and 50% in abnormal leaf flushing. Regression analysis revealed geographic patterns that essentially reflected regional differentiation along the no-cottonwood belt. The species' distribution biography, ecological characteristics, and life history suggest that restricted gene migration was the main factor responsible for the observed geographic patterns of genetic differentiation.</description><identifier>ISSN: 0045-5067</identifier><identifier>EISSN: 1208-6037</identifier><identifier>DOI: 10.1139/x08-190</identifier><identifier>CODEN: CJFRAR</identifier><language>eng</language><publisher>Ottawa, ON: National Research Council of Canada</publisher><subject>Analysis ; Biological and medical sciences ; budbreak ; Cottonwood ; disease resistance ; Distribution ; Environmental aspects ; environmental factors ; Flushing ; forest trees ; Forestry ; Forests ; Fundamental and applied biological sciences. Psychology ; gene flow ; Genes ; Genetic aspects ; Genetic diversity ; genetic variation ; Genetics ; geographical variation ; isolated populations ; latitude ; Leaves ; Life history ; Melampsora ; Melampsora occidentalis ; paleogeology ; phenology ; Plant cell differentiation ; population genetics ; Populus balsamifera subsp. trichocarpa ; provenance ; Regression analysis ; spatial distribution ; Structure ; traits ; tree growth ; tree mortality ; Trees ; Valsa sordida</subject><ispartof>Canadian journal of forest research, 2009-03, Vol.39 (3), p.519-526</ispartof><rights>2015 INIST-CNRS</rights><rights>COPYRIGHT 2009 NRC Research Press</rights><rights>Copyright National Research Council of Canada Mar 2009</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c610t-2f30cf0dabde2f9a002dd6e9566d6a07de7bc0825857452ab576432d22bf0833</citedby><cites>FETCH-LOGICAL-c610t-2f30cf0dabde2f9a002dd6e9566d6a07de7bc0825857452ab576432d22bf0833</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=21378688$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Xie, Chang-Yi</creatorcontrib><creatorcontrib>Ying, Cheng C</creatorcontrib><creatorcontrib>Yanchuk, Alvin D</creatorcontrib><creatorcontrib>Holowachuk, Diane L</creatorcontrib><title>Ecotypic mode of regional differentiation caused by restricted gene migration: a case in black cottonwood (Populus trichocarpa) along the Pacific Northwest coast</title><title>Canadian journal of forest research</title><addtitle>Revue canadienne de recherche forestière</addtitle><description>Genetic differentiation of black cottonwood (Populus balsamifera subsp. trichocarpa (Torr. & A. Gray ex Hook) Brayshaw) across a “no-cottonwood” belt on the coast of central British Columbia (BC), Canada, was examined using data on 3 year height, severity of infection by Valsa sordida Nitschke and Melampsora occidentalis H. Jacks., and abnormality of leaf flushing. The data were collected in a common-garden test consisting of 180 provenances of 36 drainages ranging from northern BC to Oregon, USA. The results demonstrated an ecotypic mode, north-south regional differentiation. Valsa sordida and M. occidentalis infected 41% and 89%, respectively, of the trees from the northern region, while 66% showed flushing abnormality. In contrast, only 1% and 27% of their southern counterparts were infected by the same diseases, and 1% had abnormal flushing. Trees from the northern region averaged 87% shorter than those from the south. Regional differentiation accounted for the highest amount of variation observed in all traits, with 60% in 3 year height, 34% in V. sordida, 76% in M. occidentalis, and 50% in abnormal leaf flushing. Regression analysis revealed geographic patterns that essentially reflected regional differentiation along the no-cottonwood belt. The species' distribution biography, ecological characteristics, and life history suggest that restricted gene migration was the main factor responsible for the observed geographic patterns of genetic differentiation.</description><subject>Analysis</subject><subject>Biological and medical sciences</subject><subject>budbreak</subject><subject>Cottonwood</subject><subject>disease resistance</subject><subject>Distribution</subject><subject>Environmental aspects</subject><subject>environmental factors</subject><subject>Flushing</subject><subject>forest trees</subject><subject>Forestry</subject><subject>Forests</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>gene flow</subject><subject>Genes</subject><subject>Genetic aspects</subject><subject>Genetic diversity</subject><subject>genetic variation</subject><subject>Genetics</subject><subject>geographical variation</subject><subject>isolated populations</subject><subject>latitude</subject><subject>Leaves</subject><subject>Life history</subject><subject>Melampsora</subject><subject>Melampsora occidentalis</subject><subject>paleogeology</subject><subject>phenology</subject><subject>Plant cell differentiation</subject><subject>population genetics</subject><subject>Populus balsamifera subsp. trichocarpa</subject><subject>provenance</subject><subject>Regression analysis</subject><subject>spatial distribution</subject><subject>Structure</subject><subject>traits</subject><subject>tree growth</subject><subject>tree mortality</subject><subject>Trees</subject><subject>Valsa sordida</subject><issn>0045-5067</issn><issn>1208-6037</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqV0t9r1TAUB_AiCl6n-CcYBKcTOk-S2zb1bYypgzGHm-BbSfOjN7O36ZJctvvn-J96rh3Ti_NB-tAmfM73JGmy7DmFfUp5_e4GRE5reJDNKMPPEnj1MJsBzIu8gLJ6nD2J8RIAeMlhlv04Uj6tR6fI0mtDvCXBdM4PsifaWWuCGZKTCWeIkqtoNGnXSGIKTiUcdWYwZOm68Mu8JxJZNMQNpO2l-k4wPfnh2ntN3pz5cdWvItnULrySYZR7RPZ-6EhaGHImlbO4kFMf0uIaW2CxjOlp9sjKPppnt--d7OLD0cXhp_zk88fjw4OTXJUUUs4sB2VBy1YbZmsJwLQuTV2UpS4lVNpUrQLBClFU84LJtqjKOWeasdaC4HwneznFjsFfrbB7c-lXAc8hNowDphSiQpRPqJO9adxgfQpSbc4gbPZhrMPpA1oLQYED_R265dXorpo_0f49CB9tlk7dm7q3VYAmmZvU4f-JzfH5l_-wp9v29WRV8DEGY5sxuKUM64ZCs7lbzTcQuHBA-er2sGRUsrdBDsrFO84or0QpBLrdyQ1B4aUxMqjFnbqZwppRW4Rv_w3_7v5iwlb6RnYBO389Z7gBoCUVVS34TyEs8Uw</recordid><startdate>20090301</startdate><enddate>20090301</enddate><creator>Xie, Chang-Yi</creator><creator>Ying, Cheng C</creator><creator>Yanchuk, Alvin D</creator><creator>Holowachuk, Diane L</creator><general>National Research Council of Canada</general><general>NRC Research Press</general><general>Canadian Science Publishing NRC Research Press</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>ISN</scope><scope>ISR</scope><scope>7SN</scope><scope>7SS</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>RC3</scope><scope>U9A</scope></search><sort><creationdate>20090301</creationdate><title>Ecotypic mode of regional differentiation caused by restricted gene migration: a case in black cottonwood (Populus trichocarpa) along the Pacific Northwest coast</title><author>Xie, Chang-Yi ; Ying, Cheng C ; Yanchuk, Alvin D ; Holowachuk, Diane L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c610t-2f30cf0dabde2f9a002dd6e9566d6a07de7bc0825857452ab576432d22bf0833</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Analysis</topic><topic>Biological and medical sciences</topic><topic>budbreak</topic><topic>Cottonwood</topic><topic>disease resistance</topic><topic>Distribution</topic><topic>Environmental aspects</topic><topic>environmental factors</topic><topic>Flushing</topic><topic>forest trees</topic><topic>Forestry</topic><topic>Forests</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>gene flow</topic><topic>Genes</topic><topic>Genetic aspects</topic><topic>Genetic diversity</topic><topic>genetic variation</topic><topic>Genetics</topic><topic>geographical variation</topic><topic>isolated populations</topic><topic>latitude</topic><topic>Leaves</topic><topic>Life history</topic><topic>Melampsora</topic><topic>Melampsora occidentalis</topic><topic>paleogeology</topic><topic>phenology</topic><topic>Plant cell differentiation</topic><topic>population genetics</topic><topic>Populus balsamifera subsp. trichocarpa</topic><topic>provenance</topic><topic>Regression analysis</topic><topic>spatial distribution</topic><topic>Structure</topic><topic>traits</topic><topic>tree growth</topic><topic>tree mortality</topic><topic>Trees</topic><topic>Valsa sordida</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xie, Chang-Yi</creatorcontrib><creatorcontrib>Ying, Cheng C</creatorcontrib><creatorcontrib>Yanchuk, Alvin D</creatorcontrib><creatorcontrib>Holowachuk, Diane L</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Gale In Context: Canada</collection><collection>Gale In Context: Science</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><jtitle>Canadian journal of forest research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xie, Chang-Yi</au><au>Ying, Cheng C</au><au>Yanchuk, Alvin D</au><au>Holowachuk, Diane L</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ecotypic mode of regional differentiation caused by restricted gene migration: a case in black cottonwood (Populus trichocarpa) along the Pacific Northwest coast</atitle><jtitle>Canadian journal of forest research</jtitle><addtitle>Revue canadienne de recherche forestière</addtitle><date>2009-03-01</date><risdate>2009</risdate><volume>39</volume><issue>3</issue><spage>519</spage><epage>526</epage><pages>519-526</pages><issn>0045-5067</issn><eissn>1208-6037</eissn><coden>CJFRAR</coden><abstract>Genetic differentiation of black cottonwood (Populus balsamifera subsp. trichocarpa (Torr. & A. Gray ex Hook) Brayshaw) across a “no-cottonwood” belt on the coast of central British Columbia (BC), Canada, was examined using data on 3 year height, severity of infection by Valsa sordida Nitschke and Melampsora occidentalis H. Jacks., and abnormality of leaf flushing. The data were collected in a common-garden test consisting of 180 provenances of 36 drainages ranging from northern BC to Oregon, USA. The results demonstrated an ecotypic mode, north-south regional differentiation. Valsa sordida and M. occidentalis infected 41% and 89%, respectively, of the trees from the northern region, while 66% showed flushing abnormality. In contrast, only 1% and 27% of their southern counterparts were infected by the same diseases, and 1% had abnormal flushing. Trees from the northern region averaged 87% shorter than those from the south. Regional differentiation accounted for the highest amount of variation observed in all traits, with 60% in 3 year height, 34% in V. sordida, 76% in M. occidentalis, and 50% in abnormal leaf flushing. Regression analysis revealed geographic patterns that essentially reflected regional differentiation along the no-cottonwood belt. The species' distribution biography, ecological characteristics, and life history suggest that restricted gene migration was the main factor responsible for the observed geographic patterns of genetic differentiation.</abstract><cop>Ottawa, ON</cop><pub>National Research Council of Canada</pub><doi>10.1139/x08-190</doi><tpages>8</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0045-5067 |
| ispartof | Canadian journal of forest research, 2009-03, Vol.39 (3), p.519-526 |
| issn | 0045-5067 1208-6037 |
| language | eng |
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| source | Alma/SFX Local Collection |
| subjects | Analysis Biological and medical sciences budbreak Cottonwood disease resistance Distribution Environmental aspects environmental factors Flushing forest trees Forestry Forests Fundamental and applied biological sciences. Psychology gene flow Genes Genetic aspects Genetic diversity genetic variation Genetics geographical variation isolated populations latitude Leaves Life history Melampsora Melampsora occidentalis paleogeology phenology Plant cell differentiation population genetics Populus balsamifera subsp. trichocarpa provenance Regression analysis spatial distribution Structure traits tree growth tree mortality Trees Valsa sordida |
| title | Ecotypic mode of regional differentiation caused by restricted gene migration: a case in black cottonwood (Populus trichocarpa) along the Pacific Northwest coast |
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