Inconsistent phylogeographic pattern between a sperm dependent fish and its host: in situ hybridization vs dispersal.

ABSTRACT:

Background

Co-dispersal of sperm-dependent hybrids and their sexual relatives is expected to result in consistent spatial patterns between assemblages of hybrids and genetic structure of parental species. However, local hybridization events may blur this signal as assemblages could be organized under different connectivity constraints. This study aims at testing the hypothesis of local hybridization events by comparing the assemblage of hybrid fish Chrosomus eos-neogaeus to the genetic diversity of one of its parental species, Chrosomus eos.

Results

An extensive survey performed on a total of 132 sites located in two regions of Southern Quebec (West-Qc and East-Qc) revealed a distinct organization of hybrid lineages. One of the six hybrid lineages detected in West-Qc is wide

SUBMITTER: Vergilino R 

PROVIDER: S-EPMC5012089 | biostudies-literature | 2016 Sep

REPOSITORIES: biostudies-literature