A paucity of useful characters, morphological convergence, and potential rapid radiation has hindered systematists in elucidating evolutionary relationships within Vespertilioninae. In this study >8,500 base pairs of digenomic DNA for 113 taxa were sequenced and analyzed using maximum parsimony and Bayesian phylogenetic procedures to construct gene trees and test hypotheses of supergeneric evolutionary relationships in Vespertilioninae. Results of these analyses validate monophyly of Vespertilioninae with the exclusion of Myotis and support recognition of 6 tribes: Antrozoini, Lasiurini, Scotophilini, Vespertilionini, and 2 new unnamed tribal clades, the Perimyotine group and the Hypsugine group. Tree topologies indicate a Nycticeiini-Eptesicini group, but it is not supported. The heuristically pleasing tribe Plecotini also is unresolved in these gene trees. These results provided further support and greater resolution for previously proposed hypotheses of Vespertilioninae evolution based on mtDNA and, although deep branching patterns are not fully resolved, these data increase our understanding of the evolution of this ecologically important and diverse group of bats.
|Advisor:||Bussche, Ronald A. Van Den|
|Commitee:||Braun, Janet K., Hamilton, Meredith J., Leslie, David M., Jr., Tyrl, Ronald J.|
|School:||Oklahoma State University|
|School Location:||United States -- Oklahoma|
|Source:||DAI-B 71/02, Dissertation Abstracts International|
|Subjects:||Molecular biology, Genetics, Zoology|
|Keywords:||Chiroptera, Nuclear DNA, Phylogenetics, Systematics, Vespertilioninae, mtDNA|
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