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Dev Genes Evol (2006) 216: 169184 DOI 10.1007/s00427-005-0041-8
 

Summary: Dev Genes Evol (2006) 216: 169184
DOI 10.1007/s00427-005-0041-8
ORIGINAL ARTICLE
Frederike Alwes . Gerhard Scholtz
Stages and other aspects of the embryology
of the parthenogenetic Marmorkrebs
(Decapoda, Reptantia, Astacida)
Received: 11 July 2005 / Accepted: 26 October 2005 / Published online: 3 January 2006
# Springer-Verlag 2006
Abstract The early development of the parthenogenetic
Marmorkrebs (marbled crayfish) is described with respect
to external morphology, cell lineage, and segment forma-
tion. Due to its parthenogenetic reproduction mode, the
question arises whether or not the marbled crayfish is a
suitable model organism for developmental approaches. To
address this question, we describe several aspects of the
embryonic development until hatching. We establish ten
stages based on characteristic external changes in the living
eggs such as blastoderm formation, gastrulation process,
formation and differentiation of the naupliar and post-

  

Source: Alwes, Frederike - Department of Organismic and Evolutionary Biology, Harvard University

 

Collections: Biology and Medicine