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Effects of mutation in a soluble guanylyl cyclase gene

ABSTRACT: Genomic and behavioral investigations were performed to determine the effects of a mutation in a Drosophila soluble guanylyl cyclase gene. A mutant DGCalpha1[3] third chromosome was crossed into a natural rover (for[R]) or natural sitter (for[s]) genetic background. (See Osborne et al. 1997; PMID: 9242616.) First instar larvae were collected and grown on 60mm Petri plates containing 10 mL of food until mid-third instar. (Approximate density was 3 animals per mL food). Larvae were collected and washed quickly with distilled water and were flash frozen in liquid nitrogen. Co-reared larvae were tested for behavioural effects. Four independent collections were made for each of the two conditions (Rover_DGCalpha1[3] or sitter_DGCalpha1[3]). Keywords = Drosophila Keywords = foraging Keywords = behavior Keywords = cGMP Keywords = guanylyl cyclase Keywords = genetic background

ORGANISM(S): Drosophila melanogaster  

SUBMITTER: J T Westwood   Marla B Sokolowski  Craig A Riedl  Alain Robichon  Scott J Neal 

PROVIDER: E-GEOD-2136 | ArrayExpress | 2010-06-10



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Drosophila soluble guanylyl cyclase mutants exhibit increased foraging locomotion: behavioral and genomic investigations.

Riedl Craig A L CA   Neal Scott J SJ   Robichon Alain A   Westwood J Timothy JT   Sokolowski Marla B MB  

Behavior genetics 20050501 3

Genetic variation in the gene foraging (for) is associated with a natural behavioral dimorphism in the fruit fly, Drosophila melanogaster. Some larvae, called 'rovers', have increased foraging locomotion compared to others, called 'sitters', and this difference is directly related to for-encoded cGMP-dependent protein kinase (PKG) activity. Here we report that larvae with mutations in the gene dgcalpha1, which encodes a soluble guanylyl cyclase (sGC) subunit, have increases in both PKG activity  ...[more]

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