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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Divergent selection on opsins drives incipient speciation in Lake Victoria cichlids
PLoS Biology, Volume 4, No. 12, Year 2006
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Description
Divergent natural selection acting on ecological traits, which also affect mate choice, is a key element of ecological speciation theory, but has not previously been demonstrated at the molecular gene level to our knowledge. Here we demonstrate parallel evolution in two cichlid genera under strong divergent selection in a gene that affects both. Strong divergent natural selection fixed opsin proteins with different predicted light absorbance properties at opposite ends of an environmental gradient. By expressing them and measuring absorbance, we show that the reciprocal fixation adapts populations to divergent light environments. The divergent evolution of the visual system coincides with divergence in male breeding coloration, consistent with incipient ecological by-product speciation. © 2006 Terai et al.
Available Materials
https://efashare.b-cdn.net/share/pmc/articles/PMC1750929/bin/pbio.0040433.sg001.pdf
https://efashare.b-cdn.net/share/pmc/articles/PMC1750929/bin/pbio.0040433.sg002.pdf
https://efashare.b-cdn.net/share/pmc/articles/PMC1750929/bin/pbio.0040433.sg003.pdf
https://efashare.b-cdn.net/share/pmc/articles/PMC1750929/bin/pbio.0040433.sg004.pdf
https://efashare.b-cdn.net/share/pmc/articles/PMC1750929/bin/pbio.0040433.sg005.pdf
https://efashare.b-cdn.net/share/pmc/articles/PMC1750929/bin/pbio.0040433.sg006.pdf
https://efashare.b-cdn.net/share/pmc/articles/PMC1750929/bin/pbio.0040433.sg007.pdf
https://efashare.b-cdn.net/share/pmc/articles/PMC1750929/bin/pbio.0040433.sg008.pdf
https://efashare.b-cdn.net/share/pmc/articles/PMC1750929/bin/pbio.0040433.st001.pdf
https://efashare.b-cdn.net/share/pmc/articles/PMC1750929/bin/pbio.0040433.st002.pdf
Authors & Co-Authors
Terai, Yohey
Japan, Tokyo
Tokyo Institute of Technology
Seehausen, Ole
Switzerland, Bern
University of Bern
Switzerland, Dubendorf
Eawag - Swiss Federal Institute of Aquatic Science and Technology
Sasaki, Takeshi
Japan, Okazaki
National Institutes of Natural Sciences - National Institute for Basic Biology
Takahashi, Kazuhiko
Japan, Okazaki
National Institutes of Natural Sciences - National Institute for Basic Biology
Mizoiri, Shinji
Japan, Okazaki
National Institutes of Natural Sciences - National Institute for Basic Biology
Sugawara, Tohru
Japan, Tokyo
Tokyo Institute of Technology
Sato, Tetsu
Japan, Tokyo
Tokyo Institute of Technology
Watanabe, Masakatsu
Japan, Tokyo
Tokyo Institute of Technology
Konijnendijk, Nellie
Switzerland, Bern
University of Bern
Mrosso, Hillary Deogratias John
Tanzania, Dar es Salaam
Tanzania Fisheries Research Institute Tafiri
Tachida, Hidenori
Japan, Fukuoka
Kyushu University
Imai, Hiroo
Japan, Kyoto
Kyoto University
Japan, Kawaguchi
Japan Science and Technology Agency
Shichida, Yoshinori
Japan, Kyoto
Kyoto University
Japan, Kawaguchi
Japan Science and Technology Agency
Okada, Norihiro
Japan, Tokyo
Tokyo Institute of Technology
Japan, Okazaki
National Institutes of Natural Sciences - National Institute for Basic Biology
Statistics
Citations: 196
Authors: 14
Affiliations: 8
Identifiers
Doi:
10.1371/journal.pbio.0040433
ISSN:
15457885
e-ISSN:
15457885
Research Areas
Genetics And Genomics
Participants Gender
Male