4-Hydroxyretinal, a new visual pigment chromophore found in the bioluminescent squid, Watasenia scintillans

Autor: Yuji Kito, Shinji Matsui, Isamu Uchiyama, Kenji Hiraki, Noriko Sekiya, Masatsugu Seidou, Kazuo Yoshihara
Rok vydání: 1988
Předmět:
Zdroj: Biochimica et Biophysica Acta (BBA) - General Subjects. 966:370-374
ISSN: 0304-4165
DOI: 10.1016/0304-4165(88)90087-6
Popis: The bioluminescent squid, Watasenia scintillans has three visual pigments. The major pigment, based on retinal (lambda max 484 nm), is distributed over the whole retina. Another pigment based on 3-dehydroretinal (lambda max approximately 500 nm) and the third pigment (lambda max approximately 470 nm) are localized in the specific area of the ventral retina just receiving the downwelling light. Visual pigment was extracted and purified from the dissected retina. The chromophores were then extracted and analyzed with HPLC, NMR, infrared and mass spectroscopy, being compared with the synthetic 4-hydroxyretinal. A new retinal derivative, 11-cis-4-hydroxyretinal, is identified as the chromophore of the third visual pigment of the squid.
Databáze: OpenAIRE