The Drosophila single-minded gene encodes a nuclear protein with sequence similarity to the per gene product.

Abstract:

:Mutations in the single-minded (sim) gene of Drosophila result in the loss of the precursor cells giving rise to the midline cells of the embryonic central nervous system. We have examined the structure of the sim product by sequencing a sim cDNA clone, and have also determined the subcellular localization of the protein and its developmental expression by staining embryos with an antiserum against a sim fusion protein. The results indicate that sim is a nuclear protein specifically expressed along the midline of the neuroepithelium, the same subset of cells that are missing in the mutant. No similarity is observed between sim and any known nuclear protein, but, surprisingly, it is similar to the Drosophila period (per) locus gene product, which controls the periodicity of biological rhythms.

journal_name

Cell

journal_title

Cell

authors

Crews ST,Thomas JB,Goodman CS

doi

10.1016/0092-8674(88)90538-7

subject

Has Abstract

pub_date

1988-01-15 00:00:00

pages

143-51

issue

1

eissn

0092-8674

issn

1097-4172

pii

0092-8674(88)90538-7

journal_volume

52

pub_type

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