title: Photosensitivity in sponge due to cytochrome c oxidase?
abstract: An action spectrum for photosensitivity in sponge larvae published by Leys et al. [J. Comp. Physiol., A, 2002, 188, 199-202] was interpreted by the authors as being due to a combination of light absorption by flavin or carotenoid in the blue region, and another pigment such as pterin in the long-wavelength region. Here we show here that their action spectrum closely matches the absorption spectrum of reduced cytochrome c oxidase that is present in sponges, and compare with other photoreactions which are thought to be due to this chromoprotein.
authors.affiliation: Department of Cell and Organism Biology, Lund University, 223 62 Lund, Sweden. Lars_Olof.Bjorn@cob.lu.se
authors.forename: Lars Olof
authors.initials: LO
authors.lastname: Björn
authors.forename: Allan G
authors.initials: AG
authors.lastname: Rasmusson
mesh_terms: D000042:Absorption; D000595:Amino Acid Sequence; D000818:Animals; D002417:Cattle; D003576:Electron Transport Complex IV / Q000737:chemistry / Q000378:metabolism*; D007814:Larva / Q000201:enzymology / Q000528:radiation effects; D008027:Light; D008969:Molecular Sequence Data; D011161:Porifera / Q000201:enzymology* / Q000528:radiation effects*; D016415:Sequence Alignment
chemical_list: D003576:Electron Transport Complex IV