Arid
DOI10.1007/s10709-006-9011-y
Hybridization and the colonization of novel habitats by annual sunflowers
Rieseberg, Loren H.; Kim, Scung-Chul; Randell, Rebecca A.; Whitney, Kenneth D.; Gross, Briana L.; Lexer, Christian; Clay, Keith
通讯作者Rieseberg, Loren H.
来源期刊GENETICA
ISSN0016-6707
EISSN1573-6857
出版年2007
卷号129期号:2页码:149-165
英文摘要

Although invasive plant species often have a hybrid ancestry, unambiguous evidence that hybridization has stimulated the evolution of invasive behaviors has been difficult to come by. Here, we briefly review how hybridization might contribute to the colonization of novel habitats, range expansions, and invasiveness and then describe work on hybrid sunflowers that forges a direct link between hybridization and ecological divergence. We first discuss the invasion of Texas by the common sunflower and show that the introgression of chromosomal segments from a locally adapted species may have facilitated range expansion. We then present evidence that the colonization of sand dune, desert floor, and salt marsh habitats by three hybrid sunflower species was made possible by selection on extreme or "transgressive" phenotypes generated by hybridization. This body of work corroborates earlier claims regarding the role of hybridization in adaptive evolution and provides an experimental and conceptual framework for ongoing studies in this area.


英文关键词colonization Helianthus hybridizatio introgression invasiveness QTLs range expansion
类型Review
语种英语
国家USA ; England
收录类别SCI-E
WOS记录号WOS:000244180400003
WOS关键词HOMOPLOID RETICULATE EVOLUTION ; HYBRID SPECIATION ; HELIANTHUS-ANNUUS ; GENE FLOW ; SPECIES-DIFFERENCES ; NATURAL-SELECTION ; CHLOROPLAST DNA ; WILD SUNFLOWERS ; INTERSPECIFIC HYBRIDIZATION ; TRANSGRESSIVE SEGREGATION
WOS类目Genetics & Heredity
WOS研究方向Genetics & Heredity
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/154263
作者单位(1)Indiana Univ, Dept Biol, Bloomington, IN 47405 USA;(2)Univ Calif Riverside, Dept Bot & Plant Sci, Riverside, CA 92521 USA;(3)Royal Bot Gardens, Jodrell Lab, Richmond TW9 3DS, Surrey, England
推荐引用方式
GB/T 7714
Rieseberg, Loren H.,Kim, Scung-Chul,Randell, Rebecca A.,et al. Hybridization and the colonization of novel habitats by annual sunflowers[J],2007,129(2):149-165.
APA Rieseberg, Loren H..,Kim, Scung-Chul.,Randell, Rebecca A..,Whitney, Kenneth D..,Gross, Briana L..,...&Clay, Keith.(2007).Hybridization and the colonization of novel habitats by annual sunflowers.GENETICA,129(2),149-165.
MLA Rieseberg, Loren H.,et al."Hybridization and the colonization of novel habitats by annual sunflowers".GENETICA 129.2(2007):149-165.
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