Arid
DOI10.1111/mec.12814
Diversification and asymmetrical gene flow across time and space: lineage sorting and hybridization in polytypic barking frogs
Streicher, Jeffrey W.1; Devitt, Thomas J.2; Goldberg, Caren S.3; Malone, John H.4; Blackmon, Heath1; Fujita, Matthew K.1
通讯作者Streicher, Jeffrey W.
来源期刊MOLECULAR ECOLOGY
ISSN0962-1083
EISSN1365-294X
出版年2014
卷号23期号:13页码:3273-3291
英文摘要

Young species complexes that are widespread across ecologically disparate regions offer important insights into the process of speciation because of their relevance to how local adaptation and gene flow influence diversification. We used mitochondrial DNA and up to 28152 genomewide single nucleotide polymorphisms from polytypic barking frogs (Craugastor augusti complex) to infer phylogenetic relationships and test for the signature of introgressive hybridization among diverging lineages. Our phylogenetic reconstructions suggest (i) a rapid Pliocene-Pleistocene radiation that produced at least nine distinct lineages and (ii) that geographic features of the arid Central Mexican Plateau contributed to two independent northward expansions. Despite clear lineage differentiation (many private alleles and high between-lineage FST scores), D-statistic tests, which differentiate introgression from ancestral polymorphism, allowed us to identify two putative instances of reticulate gene flow. Partitioned D-statistics provided evidence that these events occurred in the same direction between clades but at different points in time. After correcting for geographic distance, we found that lineages involved in hybrid gene flow interactions had higher levels of genetic variation than independently evolving lineages. These findings suggest that the nature of hybrid compatibility can be conserved overlong periods of evolutionary time and that hybridization between diverging lineages may contribute to standing levels of genetic variation.


英文关键词ABBA-BABA tests Eleutherodactylus phylogeography RADseq snapp species trees
类型Review
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000338014900011
WOS关键词REPRODUCTIVE ISOLATION ; PHYLOGENETIC ANALYSIS ; POPULATION-STRUCTURE ; BIOLOGICAL INVASION ; MONTANE FROG ; INTROGRESSION ; DIVERGENCE ; SPECIATION ; DIVERSITY ; EVOLUTION
WOS类目Biochemistry & Molecular Biology ; Ecology ; Evolutionary Biology
WOS研究方向Biochemistry & Molecular Biology ; Environmental Sciences & Ecology ; Evolutionary Biology
来源机构University of Arizona
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/183899
作者单位1.Univ Texas Arlington, Dept Biol, Arlington, TX 76010 USA;
2.Univ Texas Austin, Dept Integrat Biol, Austin, TX 78712 USA;
3.Univ Idaho, Moscow, ID 83844 USA;
4.Univ Connecticut, Dept Mol & Cell Biol, Storrs, CT 06269 USA
推荐引用方式
GB/T 7714
Streicher, Jeffrey W.,Devitt, Thomas J.,Goldberg, Caren S.,et al. Diversification and asymmetrical gene flow across time and space: lineage sorting and hybridization in polytypic barking frogs[J]. University of Arizona,2014,23(13):3273-3291.
APA Streicher, Jeffrey W.,Devitt, Thomas J.,Goldberg, Caren S.,Malone, John H.,Blackmon, Heath,&Fujita, Matthew K..(2014).Diversification and asymmetrical gene flow across time and space: lineage sorting and hybridization in polytypic barking frogs.MOLECULAR ECOLOGY,23(13),3273-3291.
MLA Streicher, Jeffrey W.,et al."Diversification and asymmetrical gene flow across time and space: lineage sorting and hybridization in polytypic barking frogs".MOLECULAR ECOLOGY 23.13(2014):3273-3291.
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