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Multilocus phylogeography (mitochondrial, autosomal and Z-chromosomal loci) and genetic consequence of long-distance male dispersal in Black-throated tits (Aegithalos concinnus).
MedLine Citation:
PMID:  23299099     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Multilocus data from the different genomes are essential to understand the phylogeographic history of species, particularly when a species has the male-biased dispersal pattern. Although Black-throated tits (Aegithalos concinnus) are socially monogamous and cooperatively breeding birds, limited observational data suggested that males may have the ability of long-distance dispersal. We have previously detected three highly supported mitochondrial populations within two subspecies of Black-throated tits (A. c. concinnus and A. c. talifuensis). Here, we used several genetic markers with different inheritance patterns to gain insights about their phylogeographic history. Phylogenetic and individual-based Bayesian analysis showed weak geographical structure amongst nuclear sequences (autosomal and Z-chromosomal loci). Coalescent analysis revealed high levels of gene flow among mitochondrial populations, even between allopatric populations. These results strongly suggested that male-biased gene flow was responsible for the discordant cytonuclear phylogeographic patterns. Consistent with expectation on the genetic consequence of long-distance male dispersal, mantel tests revealed a significant pattern of isolation by distance for mitochondrial sequences, but failed to provide a similar pattern for nuclear genes within a continuous population; female Black-throated tits showed a stronger but not significantly different relationship of isolation by distance than males when using mitochondrial DNA alone. We discussed the contribution of male juveniles with delayed dispersal to the non-significantly different IBD patterns between sexes. Our results using multilocus genetic data revealed aspects of the complex evolutionary history of Black-throated tits and the important role of long-distance male dispersal in the population structuring.Heredity advance online publication, 9 January 2013; doi:10.1038/hdy.2012.114.
Authors:
C Dai; W Wang; F Lei
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-09
Journal Detail:
Title:  Heredity     Volume:  -     ISSN:  1365-2540     ISO Abbreviation:  Heredity (Edinb)     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-9     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0373007     Medline TA:  Heredity (Edinb)     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
1] Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing, China [2] School of Chemistry and Life Sciences, Guizhou Normal College, Guiyang, China.
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