Gastrulation in frogs with various modes of reproduction

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Eugenia del Pino

Abstract

The characteristics of gastrulation were analyzed in the following Ecuadorian frogs Gastrotheca riobambae, Colostethus (=Epipedobates) machalilla and Engystomops (=Physalaemus) randi in comparison with Xenopus laevis, the frog studied as an organism of embryonic development. Profound differences have been found in the gastrulation process in these frogs. The comparison indicates that in C. machalilla and G. riobambae, slow-developing frogs, dorsal convergence and extension (DEC) is a process that occurs after gastrulation while in fast-developing frogs (X. laevis, and E. randi) CED occurs during gastrulation.

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1.
del Pino E. Gastrulation in frogs with various modes of reproduction. REMCB [Internet]. 2010Oct.1 [cited 2024Jul.3];31(1-2). Available from: https://remcb-puce.edu.ec/remcb/article/view/46
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Artículos de Revisión

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