Analyse morphologique des chimères obtenues par greffes embryonnaires chez les Amphibiens Urodèles
Open Access
- 1 April 1974
- journal article
- Published by The Company of Biologists in Development
- Vol. 31 (2) , 263-286
- https://doi.org/10.1242/dev.31.2.263
Abstract
Allogenic and heterospecific chimaeras have been made between four species of Amphibian Urodeles: Pleurodeles waltlii Michah., Triturus alpestris Laur., Triturus helveticus Raz. and Ambystoma mexicanum Shaw. These chimaeras are complementary (groups A, B, C) or not (groups D and E) and possess different morphologic types. Allogenic chimaeras develop normally, are able to breed and easy to achieve. Their principal interest, especially for E group, is that each one possesses two pairs of gonads. A number of certain types of heterogenic chimaeras have been obtained and have reached metamorphosis: 158 chimaeras between Pleurodeles waltlii and Triturus alpestris and 134 chimaeras between Pleurodeles waltlii and Triturus helveticus. Some live several years and raise interesting problems: immune reactions, growth regulation and sexual differentiation.Keywords
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