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Development, Vol 122, Issue 8 2385-2394, Copyright © 1996 by Company of Biologists
JOURNAL ARTICLES |
R Ladher, TJ Mohun, JC Smith and AM Snape
Division of Developmental Biology, National Institute for Medical Research, London, UK.
Bone morphogenetic protein-4 (BMP-4) is thought to play an important role in early Xenopus development by acting as a "ventralizing factor' and as an epidermal determinant: local inhibition of BMP-4 function in whole embryos causes the formation of an additional dorsal axis, and inhibition of BMP-4 function in isolated ectodermal cells causes the formation of neural tissue. In this paper we describe a homeobox-containing gene whose expression pattern is similar to that of BMP-4, whose expression requires BMP-4 signalling and which, when over-expressed, causes a phenotype similar to that caused by over-expression of BMP-4. We suggest that this gene, which we call Xom, acts downstream of BMP-4 to mediate its effects.
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