Mutations affecting the stability of the fushi tarazu protein of Drosophila.

Abstract excerpt

We present a molecular analysis of four dominant alleles of the pair-rule gene ftz. Three of these, the ftzUal alleles, cause anti-ftz segmentation defects and homeotic transformations of the first abdominal segment to the third. These alleles are shown to be missense changes affecting two nearby proline codons. Embryos homozygous for these mutations accumulate higher levels of ftz protein than wild type and show...

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