Divergent selection on opsins drives incipient speciation in Lake Victoria cichlids

Yohey Terai, Ole Seehausen, Takeshi Sasaki, Kazuhiko Takahashi, Shinji Mizoiri, Tohru Sugawara, Tetsu Sato, Masakatsu Watanabe, Nellie Konijnendijk, Hillary D.J. Mrosso, Hidenori Tachida, Hiroo Imai, Yoshinori Shichida, Norihiro Okada

Research output: Contribution to journalArticle

128 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)2244-2251
Number of pages8
JournalPLoS Biology
Volume4
Issue number12
DOIs
Publication statusPublished - Dec 1 2006

Fingerprint

Opsins
Cichlids
opsin
Lake Victoria
Victoria
Genetic Selection
Lakes
absorbance
natural selection
Genes
Light
parallel evolution
divergent evolution
mating behavior
Breeding
Byproducts
genes
color
breeding
Population

All Science Journal Classification (ASJC) codes

  • Neuroscience(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Immunology and Microbiology(all)
  • Agricultural and Biological Sciences(all)

Cite this

Terai, Y., Seehausen, O., Sasaki, T., Takahashi, K., Mizoiri, S., Sugawara, T., ... Okada, N. (2006). Divergent selection on opsins drives incipient speciation in Lake Victoria cichlids. PLoS Biology, 4(12), 2244-2251. https://doi.org/10.1371/journal.pbio.0040433

Divergent selection on opsins drives incipient speciation in Lake Victoria cichlids. / Terai, Yohey; Seehausen, Ole; Sasaki, Takeshi; Takahashi, Kazuhiko; Mizoiri, Shinji; Sugawara, Tohru; Sato, Tetsu; Watanabe, Masakatsu; Konijnendijk, Nellie; Mrosso, Hillary D.J.; Tachida, Hidenori; Imai, Hiroo; Shichida, Yoshinori; Okada, Norihiro.

In: PLoS Biology, Vol. 4, No. 12, 01.12.2006, p. 2244-2251.

Research output: Contribution to journalArticle

Terai, Y, Seehausen, O, Sasaki, T, Takahashi, K, Mizoiri, S, Sugawara, T, Sato, T, Watanabe, M, Konijnendijk, N, Mrosso, HDJ, Tachida, H, Imai, H, Shichida, Y & Okada, N 2006, 'Divergent selection on opsins drives incipient speciation in Lake Victoria cichlids', PLoS Biology, vol. 4, no. 12, pp. 2244-2251. https://doi.org/10.1371/journal.pbio.0040433
Terai Y, Seehausen O, Sasaki T, Takahashi K, Mizoiri S, Sugawara T et al. Divergent selection on opsins drives incipient speciation in Lake Victoria cichlids. PLoS Biology. 2006 Dec 1;4(12):2244-2251. https://doi.org/10.1371/journal.pbio.0040433
Terai, Yohey ; Seehausen, Ole ; Sasaki, Takeshi ; Takahashi, Kazuhiko ; Mizoiri, Shinji ; Sugawara, Tohru ; Sato, Tetsu ; Watanabe, Masakatsu ; Konijnendijk, Nellie ; Mrosso, Hillary D.J. ; Tachida, Hidenori ; Imai, Hiroo ; Shichida, Yoshinori ; Okada, Norihiro. / Divergent selection on opsins drives incipient speciation in Lake Victoria cichlids. In: PLoS Biology. 2006 ; Vol. 4, No. 12. pp. 2244-2251.
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