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Genetic evidence for posterior specification by convergent extension in the Xenopus embryo
Author(s) -
Yamada Tuneo,
Modak Sohan P.
Publication year - 1998
Publication title -
development, growth and differentiation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.864
H-Index - 66
eISSN - 1440-169X
pISSN - 0012-1592
DOI - 10.1046/j.1440-169x.1998.00002.x
Subject(s) - gastrulation , convergent extension , xenopus , biology , anatomy , embryo , morphogenesis , mesoderm , extension (predicate logic) , dorsum , microbiology and biotechnology , embryogenesis , genetics , embryonic stem cell , gene , computer science , programming language
Genetic studies substantiate that mesodermal convergent extension expressed behind the anteroposterior borderline, in the form of a gradient with the posterior apex after gastrulation, regulates morphogenesis of the posterior zone at the dorsal and dorso‐lateral levels which is in full agreement with the model of dorsalization–caudalization. In contrast, how anteroposterior specification of mesodermal tissues occurs at the ventral and latero‐ventral levels is not yet understood.