Evol Ecol Res 12: 987-994 (2010) Full PDF if your library subscribes.
Correlation of life-history traits with the molecular diversity of bird nuclear coding elements
Tangjie Zhang1, Yuzhi Liu2 and Zhiyue Wang3
1College of Veterinary Medicine, Yangzhou University, Yangzhou, China, 2College of Animal Science and Technology, Agricultural University of Hebei, Baoding, China and 3College of Animal Science and Technology, Yangzhou University, Yangzhou, China
Question: Is there a relationship between mutations in nuclear coding genes sites and life-history traits? Analyses of polymorphism data of Aves nuclear genes suggest that this is the case.
Data: Obtained from Polymorphix and Popset of GenBank: 752 groups of polymorphism data from 104 Aves nuclear genes of 15 families, 53 genera, 297 species.
Search method: We used Watterson’s estimator (θw ), calculated separately from the non-synonymous (θa ) and synonymous (θs ) sites of the various gene fragments. We performed correlation analysis of the proportion of average non-synonymous mutation sites in coding genes sites and four life-history traits (body mass, metabolic rate, generation time, and longevity).
Conclusions: The proportion of non-synonymous sites is significantly negatively correlated with body mass. But the proportion of non-synonymous sites is not significantly correlated with generation time. A larger fraction of slightly deleterious mutations is fixed in species with either a bigger body mass or a low effective population size (Ne).
Keywords: Aves, life-history traits, mutation, nearly neutral theory.
IF you are connected using the IP of a subscribing institution (library, laboratory, etc.)
or through its VPN.
© 2010 Tangjie Zhang. All EER articles are copyrighted by their authors. All authors endorse, permit and license Evolutionary Ecology Ltd. to grant its subscribing institutions/libraries the copying privileges specified below without additional consideration or payment to them or to Evolutionary Ecology, Ltd. These endorsements, in writing, are on file in the office of Evolutionary Ecology, Ltd. Consult authors for permission to use any portion of their work in derivative works, compilations or to distribute their work in any commercial manner.
All copies of abstracts and articles must preserve their copyright notice without modification.