This paper reports the cloning of the full length Xenopus laevis Lmx1b gene, Xlmx1b. Xlmx1b is a LIM homeodomain protein with high conservation to homologues identified in human, mouse, hamster and chick. In situ hybridisation and RT-PCR analysis showed that Xlmx1b has a specific temporal expression pattern which can be separated into three main spatial domains.
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