Buch, Englisch, Band 91, 205 Seiten, Format (B × H): 170 mm x 244 mm, Gewicht: 389 g
Reihe: Experientia Supplementum
Buch, Englisch, Band 91, 205 Seiten, Format (B × H): 170 mm x 244 mm, Gewicht: 389 g
Reihe: Experientia Supplementum
ISBN: 978-3-0348-7783-1
Verlag: Birkhäuser Basel
Following an opening chapter by the late Susumu Ohno on paralogues of sex-determining genes, the five best-studied genes essential for early mammalian gonadal development are portrayed in detail: SF-1 and WT1 and their roles in early events in gonadal development, SRY and SOX9 in testis determination, and the anti-testis gene DAX-1. Subsequent chapters look at the roles of these genes in sex determination in marsupial mammals, birds, reptiles, amphibians and fish, and review the different sex-determining mechanisms, genetic and environmental, that operate in these different vertebrate classes. Two insights emerge: one, that the same basic set of genes appears to operate during early gonadal development in all vertebrates, despite the differences in mechanisms; the other, that sex determination in vertebrates results from a complex network of regulatory interactions and not from a simple hierarchical cascade of gene actions.
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Weitere Infos & Material
The one-to-four rule and paralogues of sex-determining genes.- Genes essential for early events in gonadal development.- Sry, Sox9 and mammalian sex determination.- DAX-1, an “antitestis” gene.- Sex chromosomes and sex determining genes: insights from marsupials and monotremes.- An overview of factors influencing sex determination and gonadal development in birds.- Temperature-dependent sex determination and gonadal differentiation in reptiles.- Sex chromosomes, sex-linked genes, and sex determination in the vertebrate class Amphibia.- Endocrine and environmental aspects of sex differentiation in gonochoristic fish.
