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GATA-3 is essential for murine embryonic development, but elucidating the genetic controls over the complex temporal and tissue-specific transcriptional regulatory pattern of this transcription factor gene has been problematic. Here we report the isolation and characterization of two yeast artificial chromosomes (YACs) bearing the murine GATA-3 gene. Ordered deletions of both YACs show that they define...
GATA-3 is expressed in a temporally dynamic manner and fulfills vital functions during vertebrate fetal development. Homozygous mGATA-3 mutant embryos die at midgestation, thus complicating the analysis of its contribution to the development of specific cell fates in the many tissues where it is expressed during embryogenesis. We show here that the elements controlling GATA-3 regulation can be precisely...