title: Eye evolution: the blurry beginning.
abstract: Recent work on the expression of retinal transcription factors and other molecular cues delivers interesting but partly contradictory information on the early phases of eye evolution.
authors.affiliation: Department of Cell and Organism Biology, Lund University, Zoology Building, Helgonavägen 3, 22362, Lund, Sweden. dan-e.nilsson@cob.lu.se
authors.forename: Dan-E
authors.initials: DE
authors.lastname: Nilsson
authors.forename: Detlev
authors.initials: D
authors.lastname: Arendt
mesh_terms: D000818:Animals; D005075:Biological Evolution; D019143:Evolution, Molecular; D005123:Eye / Q000196:embryology / Q000254:growth & development* / Q000378:metabolism; D005136:Eye Proteins / Q000235:genetics / Q000378:metabolism*; D018507:Gene Expression Regulation, Developmental / Q000235:genetics*; D006801:Humans; D017956:Photoreceptor Cells, Invertebrate / Q000166:cytology / Q000378:metabolism; D020419:Photoreceptor Cells, Vertebrate / Q000166:cytology / Q000378:metabolism; D014157:Transcription Factors / Q000235:genetics / Q000378:metabolism*; D014785:Vision, Ocular / Q000235:genetics / Q000502:physiology
chemical_list: D005136:Eye Proteins; D014157:Transcription Factors