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Dev Genet. 1994;15(4):383-9.

Frizzled gene expression and development of tissue polarity in the Drosophila wing.

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1
Biology Department, University of Virginia, Charlottesville 22903.

Abstract

Almost every cell in the Drosophila pupal wing forms a single, distally pointing cuticular hair. The function of the frizzled (fz) gene is essential for the elaboration of the normal wing hair pattern. In the absence of fz function hairs develop, but they display an abnormal polarity. We have examined the developmental expression of the fz gene at the RNA level via in situ hybridization and at the protein level via Western blotting. We have found that fz is expressed in all regions of the epidermis before, during, and after the fz cold sensitive period. We have also found that fz function is not required for normal fz expression. We have further found that mutations in several other tissue polarity genes do not noticeably alter the expression or the modification state of the Fz protein.

PMID:
7923941
DOI:
10.1002/dvg.1020150410
[Indexed for MEDLINE]
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