Author: Zhao, Huabin; Ru, Binghua; Teeling, Emma C.; Faulkes, Christopher G.; Zhang, Shuyi; Rossiter, Stephen J.
Title: Rhodopsin Molecular Evolution in Mammals Inhabiting Low Light Environments Document date: 2009_12_16
ID: 02uqygfs_17
Snippet: We applied codon based models to test for heterogeneous selection pressures acting on the rhodopsin gene across the mammal phylogenetic tree. We focused on several groups that inhabit low photopic environments, including cetaceans, pinnipeds, bats and molerats, some of which have lost their SWS1 opsins (summarized in Figure 1 ). In addition, we undertook a more focused study on selection among clades of bats that exhibit contrasting sensory modal.....
Document: We applied codon based models to test for heterogeneous selection pressures acting on the rhodopsin gene across the mammal phylogenetic tree. We focused on several groups that inhabit low photopic environments, including cetaceans, pinnipeds, bats and molerats, some of which have lost their SWS1 opsins (summarized in Figure 1 ). In addition, we undertook a more focused study on selection among clades of bats that exhibit contrasting sensory modalities based on vision and echolocation [22] . The results of model comparisons with likelihood ratio tests are given in Table 2 and full details of all model parameters are given in Table S3 .
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