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Molecular Insights Into the Eye Evolution of Bivalvian Molluscs
Lukas Keller
Livre broché | Allemand
68,95 €
+ 137 points
Description
The wealth of eye diversity found in nature caused Neo-Darwinist to propose that photoreceptor organs originated independently at least in 40, but possible up to 65 or more different phyletic lines. However, recent molecular genetic evidence points to a common genetic program for eye development in all eye-bearing organisms. Based on these findings it was proposed that the various eye types found in Metazoa derive from a common ancestor prototype eye. The author, Lukas Keller, reviews the various eye types found in the animal kingdom and the recent molecular data that lead to the hypothesis of a monophyletic origin of the eye. His own research on eye selector and opsin genes in bivalvian molluscs further strengthen the idea that all animal eyes derive from a common ancestor eye. Furthermore, his results suggest a functional role of Pax-6 and Six1/2 genes in the gills of the bivalves Arca noae and Pecten maximus and raises the interesting question whether these genes are implicated in the establishment of the chemosensory field.
Spécifications
Parties prenantes
- Auteur(s) :
- Editeur:
Contenu
- Nombre de pages :
- 140
- Langue:
- Allemand
Caractéristiques
- EAN:
- 9783838104904
- Date de parution :
- 26-03-09
- Format:
- Livre broché
- Format numérique:
- Trade paperback (VS)
- Dimensions :
- 152 mm x 229 mm
- Poids :
- 195 g
