Strong reproductive isolation despite occasional hybridization between a widely distributed and a narrow endemic Rhododendron species
Reproductive isolation (RI) plays an important role for speciation, but assessing reproductive barriers at all life-cycle stages remains challenging. In plants, most studies addressing the topic have been focusing on herbs with short generation times. The present study attempted to quantify several...
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| Veröffentlicht in: | Scientific reports 2016-01, Vol.6 (1), p.19146-19146, Article 19146 |
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| creator | Ma, Yong-Peng Xie, Wei-Jia Sun, Wei-Bang Marczewski, Tobias |
| description | Reproductive isolation (RI) plays an important role for speciation, but assessing reproductive barriers at all life-cycle stages remains challenging. In plants, most studies addressing the topic have been focusing on herbs with short generation times. The present study attempted to quantify several reproductive barriers between a hybridizing species pair of long-lived woody rhododendrons. Consistent with findings of previous studies, pre-zygotic reproductive barriers contributed more to total RI than post-zygotic reproductive barriers. Especially in the more widespread species geographic isolation was an important barrier and pollinator constancy contributed exceptionally to RI in both species. Additionally to strong pre-zygotic reproductive barriers, post-zygotic reproductive barriers were considerable and had asymmetric tendencies favoring one of the species as maternal parent. Overall, despite occasional hybridization, the present study provides evidence for strong RI between
R. cyanocarpum
and
R. delavayi
. |
| doi_str_mv | 10.1038/srep19146 |
| format | Article |
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R. cyanocarpum
and
R. delavayi
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R. cyanocarpum
and
R. delavayi
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Xie, Wei-Jia ; Sun, Wei-Bang ; Marczewski, Tobias</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c438t-17594ed400b6f5d82fc51248409c5e44e3d1befbbbff0d2ead9b35739e942ed83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>631/158</topic><topic>631/181</topic><topic>Ecology</topic><topic>Endemic species</topic><topic>Humanities and Social Sciences</topic><topic>Hybridization</topic><topic>Hybridization, Genetic</topic><topic>multidisciplinary</topic><topic>Plant populations</topic><topic>Pollination</topic><topic>Pollinators</topic><topic>Reproduction</topic><topic>Reproductive Isolation</topic><topic>Rhododendron - chemistry</topic><topic>Rhododendron - genetics</topic><topic>Science</topic><topic>Soil - chemistry</topic><topic>Speciation</topic><topic>Species composition</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ma, Yong-Peng</creatorcontrib><creatorcontrib>Xie, Wei-Jia</creatorcontrib><creatorcontrib>Sun, Wei-Bang</creatorcontrib><creatorcontrib>Marczewski, Tobias</creatorcontrib><collection>Springer Nature OA Free Journals</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Biology Database (Alumni Edition)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ProQuest Biological Science Collection</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Science Database</collection><collection>Biological Science Database</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central Basic</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Scientific reports</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ma, Yong-Peng</au><au>Xie, Wei-Jia</au><au>Sun, Wei-Bang</au><au>Marczewski, Tobias</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Strong reproductive isolation despite occasional hybridization between a widely distributed and a narrow endemic Rhododendron species</atitle><jtitle>Scientific reports</jtitle><stitle>Sci Rep</stitle><addtitle>Sci Rep</addtitle><date>2016-01-11</date><risdate>2016</risdate><volume>6</volume><issue>1</issue><spage>19146</spage><epage>19146</epage><pages>19146-19146</pages><artnum>19146</artnum><issn>2045-2322</issn><eissn>2045-2322</eissn><abstract>Reproductive isolation (RI) plays an important role for speciation, but assessing reproductive barriers at all life-cycle stages remains challenging. In plants, most studies addressing the topic have been focusing on herbs with short generation times. The present study attempted to quantify several reproductive barriers between a hybridizing species pair of long-lived woody rhododendrons. Consistent with findings of previous studies, pre-zygotic reproductive barriers contributed more to total RI than post-zygotic reproductive barriers. Especially in the more widespread species geographic isolation was an important barrier and pollinator constancy contributed exceptionally to RI in both species. Additionally to strong pre-zygotic reproductive barriers, post-zygotic reproductive barriers were considerable and had asymmetric tendencies favoring one of the species as maternal parent. Overall, despite occasional hybridization, the present study provides evidence for strong RI between
R. cyanocarpum
and
R. delavayi
.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>26751844</pmid><doi>10.1038/srep19146</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | 631/158 631/181 Ecology Endemic species Humanities and Social Sciences Hybridization Hybridization, Genetic multidisciplinary Plant populations Pollination Pollinators Reproduction Reproductive Isolation Rhododendron - chemistry Rhododendron - genetics Science Soil - chemistry Speciation Species composition |
| title | Strong reproductive isolation despite occasional hybridization between a widely distributed and a narrow endemic Rhododendron species |
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