期刊
BIOLOGICAL JOURNAL OF THE LINNEAN SOCIETY
卷 110, 期 2, 页码 346-361出版社
OXFORD UNIV PRESS
DOI: 10.1111/bij.12138
关键词
discordance; gene flow; reproductive isolation
资金
- Key Construction Program of the National '985' Project
- Key Construction Program of the National '211' Project
- BBSRC China Partnering award
- Marie Curie International Incoming Fellowship
- Royal Society Fellowship
- National Foundation for Science and Technology Development of Vietnam (NAFOSTED) [106.11-2012.02]
- University of Tuebingen (Germany)
- National Program Tay Nguyen III [TN3/T07]
- Institute of Ecology and Biological Resources
Phylogenetic discordance among taxa can provide powerful insights into past episodes of introgressive hybridization, as well as lineage sorting. Previously, we showed that the taxonomically distinct taxon Rhinolophus sinicus septentrionalis has undergone historical introgression with its sympatric sister subspecies Rhinolophus sinicus sinicus. To examine in more detail the extent of gene flow between these two taxa, and also between these and their sister species Rhinolophus thomasi, we obtained new samples from China, Myanmar, and Vietnam, and combined new and published genetic data from these, Rhinolophus rouxii, and Rhinolophus indorouxii from India. Phylogenetic analyses revealed three separate cases of discordance: between R.s. septentrionalis and adjacent populations of R.s. sinicus, between R.s. septentrionalis and R.thomasi and between eastern populations of R.s. sinicus and a newly-identified lineage. In both former cases, the mitochondrial DNA introgression appears to be asymmetric, which is likely to have resulted from mating between R.s. septentrionalis females with smaller R.s. sinicus and R.thomasi males, although we cannot rule out other scenarios completely. Further conflicts between genetic data and accepted species arrangements across the genus, with paraphyly of members of the rouxii-group, suggest the need for a thorough systematic revision of relationships within this group.(c) 2013 The Linnean Society of London, Biological Journal of the Linnean Society, 2013, 110, 346-361.
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