Jan 1, 1997

Hox genes and embryonic development

Poultry Science
B A Morgan


The hox genes specify regional differences along the anterior-posterior (A/P) axis of the vertebrate embryo. This function appears to reflect an ancestral role of the hox gene complex and is conserved across phyla. During the evolution of vertebrates, this gene complex has been recruited to perform other functions as well, many of which occur later in development. Although mutational analysis in the mouse is well-suited to the study of their early function, that same function limits the utility of mutational analysis in the investigation of later functions. The use of retroviral vectors to alter gene expression in the chick embryo has emerged as an effective way to address these later functions. This paper reviews that approach and its application to the study of the hox genes in the formation of the vertebrate limb.

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Mentioned in this Paper

Shuttle Vectors
Entire Embryo
Genes, Reiterated
Aphasia, Broca
Embryonic Development
Gene Expression
Limb Structure
Neoplasms, Germ Cell and Embryonal

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