Isolation of a putative phospholipase c gene of drosophila, norpA, and its role in phototransduction

B. T. Bloomquist, R. D. Shortridge, S. Schneuwly, M. Perdew, C. Montell, H. Steller, G. Rubin, W. L. Pak

Research output: Contribution to journalArticle

Abstract

Severe norpA mutations in Drosophila eliminate the photoreceptor potential and render the fly completely blind. Recent biochemical analyses have shown that norpA mutants lack phospholipase C (PLC) activity in the eye. A combination of chromosomal walking and transposon-mediated mutagenesis was used to clone the norpA gene. This gene encodes a 7.5 kb RNA that is expressed in the adult head. In situ hybridizations of norpA cDNA to adult tissue sections show that this gene is expressed abundantly in the retina. The putative norpA protein is composed of 1095 amino acid residues and has extensive sequence similarity to a PLC amino acid sequence from bovine brain. We suggest that the norpA gene encodes a PLC expressed in the eye of Drosophila and that PLC is an essential component of the Drosophila phototransduction pathway.

Original languageEnglish (US)
Pages (from-to)723-733
Number of pages11
JournalCell
Volume54
Issue number5
DOIs
StatePublished - Aug 26 1988
Externally publishedYes

Fingerprint

Light Signal Transduction
Phospholipases
Type C Phospholipases
Drosophila
Genes
Amino Acids
Mutagenesis
Diptera
Walking
In Situ Hybridization
Retina
Amino Acid Sequence
Brain
Complementary DNA
Clone Cells
Head
RNA
Tissue
Mutation
Proteins

ASJC Scopus subject areas

  • Cell Biology
  • Molecular Biology

Cite this

Bloomquist, B. T., Shortridge, R. D., Schneuwly, S., Perdew, M., Montell, C., Steller, H., ... Pak, W. L. (1988). Isolation of a putative phospholipase c gene of drosophila, norpA, and its role in phototransduction. Cell, 54(5), 723-733. https://doi.org/10.1016/S0092-8674(88)80017-5

Isolation of a putative phospholipase c gene of drosophila, norpA, and its role in phototransduction. / Bloomquist, B. T.; Shortridge, R. D.; Schneuwly, S.; Perdew, M.; Montell, C.; Steller, H.; Rubin, G.; Pak, W. L.

In: Cell, Vol. 54, No. 5, 26.08.1988, p. 723-733.

Research output: Contribution to journalArticle

Bloomquist, BT, Shortridge, RD, Schneuwly, S, Perdew, M, Montell, C, Steller, H, Rubin, G & Pak, WL 1988, 'Isolation of a putative phospholipase c gene of drosophila, norpA, and its role in phototransduction', Cell, vol. 54, no. 5, pp. 723-733. https://doi.org/10.1016/S0092-8674(88)80017-5
Bloomquist BT, Shortridge RD, Schneuwly S, Perdew M, Montell C, Steller H et al. Isolation of a putative phospholipase c gene of drosophila, norpA, and its role in phototransduction. Cell. 1988 Aug 26;54(5):723-733. https://doi.org/10.1016/S0092-8674(88)80017-5
Bloomquist, B. T. ; Shortridge, R. D. ; Schneuwly, S. ; Perdew, M. ; Montell, C. ; Steller, H. ; Rubin, G. ; Pak, W. L. / Isolation of a putative phospholipase c gene of drosophila, norpA, and its role in phototransduction. In: Cell. 1988 ; Vol. 54, No. 5. pp. 723-733.
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