期刊
GENE
卷 306, 期 -, 页码 91-98出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0378-1119(03)00424-4
关键词
visual pigments; wavelength absorption; color vision; vertebrates
资金
- NIGMS NIH HHS [GM42379] Funding Source: Medline
Using site-directed mutagenesis and multiple regression analysis, we have studied the molecular genetics and evolution of short wavelength-sensitive (SWS2) pigments in vertebrates. These analyses suggest that the SWS2 pigment in the vertebrate ancestor had the wavelength of maximum absorption (lambda(max)) of similar to440 nm and that various lambda(max)'s of the contemporary SWS2 pigments in vertebrates are caused mainly by additive effects of amino acid replacements at ten sites. (C) 2003 Elsevier Science B.V. All rights reserved.
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