title: News about cryptochrome photoreceptors in algae.
abstract: Cryptochromes (CRYs) are flavoproteins that are known as blue light photoreceptors in many organisms. Recently, genome sequences from a variety of algae became available. Functional characterizations of animal-like CRYs from Oestreococcus tauri, Chlamydomonas reinhardtii and Phaeodactylum tricornutum highlighted novel functions and properties. As arising from studies in fungi, certain algal CRYs of the "cryptochrome photolyase family" (PtCPF1, OtCPF1) have dual or even triple functions. They are involved in blue light perception and/or in the circadian clock and are able to repair DNA damages. On the other hand, the animal-like aCRY from C. reinhardtii is not only acting as sensory blue light- but also as sensory red light receptor thus expanding our current view of flavoproteins in general and CRYs in particular. The observed broad spectral response points to the neutral radical state of flavin, which is assumed to be the dark form in aCRY in contrast to the plant CRYs.
authors.affiliation: Institute of General Botany and Plant Physiology; Friedrich Schiller University Jena; Jena, Germany.
authors.forename: Benedikt
authors.initials: B
authors.lastname: Beel
authors.affiliation: Institute of General Botany and Plant Physiology; Friedrich Schiller University Jena; Jena, Germany.
authors.forename: Nico
authors.initials: N
authors.lastname: Müller
authors.affiliation: Physical and Biophysical Chemistry; Department of Chemistry; Bielefeld University; Bielefeld, Germany.
authors.forename: Tilman
authors.initials: T
authors.lastname: Kottke
authors.affiliation: Institute of General Botany and Plant Physiology; Friedrich Schiller University Jena; Jena, Germany.
authors.forename: Maria
authors.initials: M
authors.lastname: Mittag
mesh_terms: D016825:Chlamydomonas reinhardtii / Q000378:metabolism; D056931:Cryptochromes / Q000378:metabolism*; D017377:Diatoms / Q000378:metabolism; D055519:Photoreceptors, Plant / Q000378:metabolism*
chemical_list: D056931:Cryptochromes; D055519:Photoreceptors, Plant