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Article

pipsqueak encodes a novel nuclear protein required downstream of seven-up for the development of photoreceptors R3 and R4.

The EMBO journal - 15 Dec 1995

Weber U, Siegel V, Mlodzik M

Abstract excerpt

Photoreceptor induction in the Drosophila eye is mediated by activation of the Ras signal transduction cascade. Although this process is well understood, little is known about how the diversity of photoreceptor subtypes is generated. The pipsqueak (psq) gene is expressed at high levels in the R3/R4 precursors during eye development and this expression depends on seven-up (svp) gene function. Moreover, strong psq...

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Identifiers

PMID: 8557044
DOI: 10.1002/j.1460-2075.1995.tb00315.x
PMCID: PMC394749

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