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Genes Dev. 1993 Mar;7(3):441-53.

Dosage-sensitive modifiers of Drosophila abl tyrosine kinase function: prospero, a regulator of axonal outgrowth, and disabled, a novel tyrosine kinase substrate.

Author information

  • 1McArdle Laboratory for Cancer Research, University of Wisconsin, Madison 53706.

Erratum in

  • Genes Dev 1996 Sep 1;10(17):2234.

Abstract

In the absence of the Drosophila abl protein-tyrosine kinase (PTK), loss-of-function mutations in either disabled or prospero have dominant phenotypic effects on embryonic development. Molecular and genetic characterizations indicate that the products of these genes interact with the abl PTK by different mechanisms. The interaction between abl and prospero, which encodes a nuclear protein required for correct axonal outgrowth, is likely to be indirect. In contrast, the product of disabled may be a substrate for the abl PTK. The disabled protein is colocalized with abl in axons, its predicted amino acid sequence contains 10 motifs similar to the major autophosphorylation site of abl, and the protein is recognized by antibodies to phosphotyrosine.

PMID:
7680635
[PubMed - indexed for MEDLINE]
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