A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Allele Dmel\RhebScer\UAS.cPa

General Information
SymbolDmel\RhebScer\UAS.cPaSpeciesD. melanogaster
NameUAS construct a of PatelFlyBase IDFBal0181935
Feature typealleleAssociated geneDmel\Rheb
Allele class
Mutagenin vitro construct - regulatory fusion
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Description
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FB2013_03
FB2013_02
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Allele class
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Construct: Scer\UAS sequences regulate expression of a XhoI/BglII fragment of a full length Rheb EST (GH15143).
Carried in construct
Cytology
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Statement
Reference
Scer\GAL4[elav.PLu]-mediated expression of Rheb[Scer\UAS.cPa] produces phototaxis deficits and a significantly lower phototaxis index. It also results in a failure of some R7 and R8 photoreceptors to terminate at their proper locations, produces substantial synaptic overgrowth at the larval neuromuscular junction, and increased excitatory junctional potentials. The Scer\GAL4[elav.PLu], Rheb[Scer\UAS.cPa] phototaxis deficits are significantly rescued when flies are reared on a yeast-restricted or calorie-restricted diet. Raised at 25[o]C, the Scer\GAL4[elav.PLu], Rheb[Scer\UAS.cPa] axon guidance phenotype is significantly rescued when flies are reared on a yeast-restricted or calorie-restricted or sugar-restricted diet. Raised at 21[o]C, the Scer\GAL4[elav-C155], Rheb[Scer\UAS.cPa] flies show a mild axon guidance phenotype that is significantly rescued when flies are reared on a yeast-restricted or calorie-restricted diet. The Scer\GAL4[elav.PLu], Rheb[Scer\UAS.cPa] synaptic overgrowth and increased excitatory junctional potential phenotypes cannot be rescued by dietary restriction. Flies raised on a sugar restricted diet actually show an increase in synaptic overgrowth.
Expression of Rheb[Scer\UAS.cPa] in mushroom body γ-neurons, under the control of Scer\GAL4[Tab2-201Y] does not affect mushroom body morphology.
Overexpression of Rheb[Scer\UAS.cPa] using either Scer\GAL4[elav-C155] or Scer\GAL4[P2.4.Pdf] increases ethanol sensitivity.
Overexpression of Rheb[Scer\UAS.cPa] via Scer\GAL4[GMR.PF] causes a hyperplastic phenotype in the eye.
Expression of Rheb[Scer\UAS.cPa] in the developing eye under the control of Scer\GAL4[GMR.PF] results in a rough eye phenotype with bristle disorganization.
Expression of RhebScer\UAS.cPa driven by Scer\GAL4ap-md544 in the dorsal epithelial of the wing disc results in enlargement of the dorsal compartment, which causes the wing to curve downwards. When expression of RhebScer\UAS.cPa is driven by Scer\GAL4ap-md544 in the posterior compartment of the wing, the posterior area is increased but cell density is lower and total cell number is not significantly different to wild type. Therefore, cell size is increased. The anterior compartment of these wings is reduced compared to wild type, while the cell density is increased.
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Heterozygosity for Tor[Δ6B] in a Rheb[Scer\UAS.cPa], Scer\GAL4[elav.PLu] background rescues the phototaxis phenotype and photoreceptor axon guidance abnormalities to almost control levels, and causes a significant rescue of the synapse overgrowth phenotype. Co-expression of SNF1A[TD.Scer\UAS] significantly rescues the phototaxis and axon guidance phenotypes, while it enhances the synapse overgrowth and excitatory junctional potential phenotypes, of Rheb[Scer\UAS.cPa], Scer\GAL4[elav.PLu] flies. Co-expression of raptor[GD5138] or S6k[GD6646] significantly rescues the axon guidance phenotypes of Rheb[Scer\UAS.cPa], Scer\GAL4[elav.PLu] flies. The axon guidance phenotypes of Rheb[Scer\UAS.cPa], Scer\GAL4[elav.PLu] flies are not significantly rescued in a rictor[Δ1]/rictor[Δ2] or Sin1[e03756]/Sin1[e03756] background. Co-expression of raptor[GD5138] or S6k[GD6646] does not rescue the Rheb[Scer\UAS.cPa], Scer\GAL4[elav.PLu] synapse overgrowth phenotype. The Rheb[Scer\UAS.cPa], Scer\GAL4[elav.PLu] synapse overgrowth phenotype is significantly rescued in a rictor[Δ1]/rictor[Δ2] or Sin1[e03756]/Sin1[e03756] background.
Expression of Rheb[Scer\UAS.cPa] in Hr51[LL04325] MARCM neuroblast clones partially suppresses the developmental regrowth defect. In addition these double mutants exhibit severe axon guidance defects. In these clones, γ axons do not occupy the entire adult lobe but instead grow to the dorsal and ventral extremities of the adult γ-lobe and in some cases only to its ventral portion.
Co-expression of Sesn[d04539] with Rheb[Scer\UAS.cPa] via Scer\GAL4[GMR.PF] suppresses the Rheb[Scer\UAS.cPa] hyperplastic eye phenotype.
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Overexpression of Rheb[Scer\UAS.cPa] in the developing eye enhances the phenotype seen in mutant flies co-expressing Hsap\HTT[152Q.Ex1.Scer\UAS.T:Avic\GFP-EGFP] and Hsap\HTT[48Q.Ex1.Scer\UAS.T:Avic\GFP-EGFP.T:Zzzz\nls1] under the control of Scer\GAL4[GMR.PF], with a severe rough eye phenotype and enhancement of pigment cell loss. Overexpression of Rheb[Scer\UAS.cPa] in the developing eye of Hsap\HTT[18Q.Ex1.Scer\UAS.T:Avic\GFP-EGFP.T:Zzzz\nls1] mutants (both transgene under the control of Scer\GAL4[GMR.PF] results in a rough eye phenotype with bristle disorganization. Co-expression of Rheb[Scer\UAS.cPa] in a Hsap\HTT[98Q.Ex1.Scer\UAS.T:Avic\GFP-EGFP.T:Zzzz\nls1] mutant brain (with both transgenes under the control of Scer\GAL4[elav-C155]) does not significantly increase the average number of brain aggregate inclusions compared to flies expressing Hsap\HTT[98Q.Ex1.Scer\UAS.T:Avic\GFP-EGFP.T:Zzzz\nls1] alone, but does increase the average aggregate size.
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Bloomington
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Reported As
Symbol Synonym
RhebScer\UAS.cPa
 
Name Synonym
UAS construct a of Patel
Secondary FlyBase IDs
hide References ( 7 )
Research paper
Dimitroff et al., 2012, PLoS ONE 7(2): e30722
Diet and Energy-Sensing Inputs Affect TorC1-Mediated Axon Misrouting but Not TorC2-Directed Synapse Growth in a Drosophila Model of Tuberous Sclerosis. [FBrf0217461]
Yaniv et al., 2012, Curr. Biol. 22(19): 1774--1782
Axon Regrowth during Development and Regeneration Following Injury Share Molecular Mechanisms. [FBrf0219661]
Eddison et al., 2011, Neuron 70(5): 979--990
arouser Reveals a Role for Synapse Number in the Regulation of Ethanol Sensitivity. [FBrf0213908]
Lee et al., 2010, Science 327(5970): 1223--1228
Sestrin as a feedback inhibitor of TOR that prevents age-related pathologies. [FBrf0210161]
Doumanis et al., 2009, PLoS ONE 4(9): e7275
RNAi screening in Drosophila cells identifies new modifiers of mutant huntingtin aggregation. [FBrf0209128]
Lee et al., 2007, EMBO Rep. 8(4): 360--365
ATG1, an autophagy regulator, inhibits cell growth by negatively regulating S6 kinase. [FBrf0201708]
Patel et al., 2003, J. Cell Sci. 116(17): 3601--3610
Drosophila Rheb GTPase is required for cell cycle progression and cell growth. [FBrf0162194]