Eye evolution: lens and cornea as an upgrade of animal visual system
Language English Country Great Britain, England Media print-electronic
Document type Journal Article, Research Support, Non-U.S. Gov't, Review
PubMed
18035562
DOI
10.1016/j.semcdb.2007.10.005
PII: S1084-9521(07)00163-2
Knihovny.cz E-resources
- MeSH
- Biodiversity MeSH
- Biological Evolution * MeSH
- Models, Biological MeSH
- Phylogeny MeSH
- Crystallins genetics metabolism MeSH
- Ocular Physiological Phenomena * MeSH
- Lens, Crystalline metabolism physiology MeSH
- Gene Expression Regulation MeSH
- Regulatory Sequences, Nucleic Acid physiology MeSH
- Cornea physiology MeSH
- Paired Box Transcription Factors genetics MeSH
- Environment MeSH
- Vision, Ocular genetics physiology MeSH
- Animals MeSH
- Check Tag
- Animals MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Review MeSH
- Names of Substances
- Crystallins MeSH
- Paired Box Transcription Factors MeSH
Lens-containing eyes are a feature of surprisingly broad spectrum of organisms across the animal kingdom that represent a significant improvement of simple eye composed of just photoreceptor cells and pigment cells. It is apparent that such an upgrade of animal visual system has originated numerous times during evolution since many distinct strategies to enhance light refraction through the use of lens and cornea have been utilized. In addition to having an ancient role in prototypical eye formation Pax transcription factors were convergently recruited for regulation of structurally diverse crystallins and genes affecting morphogenesis of various lens-containing eyes.
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