A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Allele Dmel\rhoScer\UAS.cBa

General Information
SymbolDmel\rhoScer\UAS.cBaSpeciesD. melanogaster
NameSaccharomyces cerevisiae UAS construct a of BierFlyBase IDFBal0090071
Feature typealleleAssociated geneDmel\rho
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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Mutations Mapped to the Genome
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Construct: Scer\UAS regulatory sequences drive expression of rho.
Carried in construct
Cytology
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rho[Scer\UAS.cBa]; Scer\GAL4[GMR.PF] adults have rough eyes and the proportion of ommatidia with pale-type R8 cells is significantly increased. Many of these cells are found in ommatidia with a yellow-type R7.
In rhoScer\UAS.cBa; Scer\GAL4sim.PS embryos, about a fifth of ganglionic tracheal branch 1s turn posteriorly prematurely, before reaching their characteristic positions close to the midline. Ganglionic branch 1s turn prematurely before reaching the midline in rhoScer\UAS.cBa; Scer\GAL4bs-23.26 embryos. Longitudinal fascicles of the ventral nerve cord appear normal in these embryos.
The wings of rhoScer\UAS.cBa; Scer\GAL4Bx-MS1096 flies have ectopic vein material.
When stetScer\UAS.cGa is driven by Scer\GAL4CY2 a strong dorsalisation of the eggshell is seen, resulting in a fused dorsal appendage covering the anterior end of the egg.
Misexpression of rhoScer\UAS.cBa driven by Scer\GAL4Bx-MS1096 converts almost the entire wing blade into solid vein material and dramatically reduces the size of the wing.
Embryos expressing rhoScer\UAS.cBa under the control of Scer\GAL4twi.PG show a marked overproduction of eve-positive mesodermal founder cells.
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rhoScer\UAS.cBa; Scer\GAL4sli.PS and rhoScer\UAS.cBa; Scer\GAL4sim.PS partially suppress ventral midline crossing by ganglionic tracheal branches in ruunspecified mutant stage 16 embryos.
Expression of rhoScer\UAS.cBa under the control of Scer\GAL4kni.L2 rescues the L2 wing vein phenotype of kniri-1 flies. Co-expression of SScer\UAS.cGb and rhoScer\UAS.cBa under the control of Scer\GAL4kni.L2 results in ectopic veins that are displaced from the endogenous L2 wing vein by a few cells.
Co-expression of EgfrDN.Scer\UAS.cBa and rhoScer\UAS.cBa driven by Scer\GAL4Bx-MS1096 in females deletes parts of dorsal veins L3, L5 and the distal portion of L4, reduces the width of the wing, and causes mis-alignment between dorsal and ventral components of the veins. This is an almost identical phenotype to Scer\GAL4Bx-MS1096 driven EgfrDN.Scer\UAS.cBa expression alone. In males a stronger vein-loss phenotype is seen. Co-expression of EgfrDN.Scer\UAS.cBa, EgfrScer\UAS.cBa and rhoScer\UAS.cBa driven by Scer\GAL4Bx-MS1096 fully restores the rhoScer\UAS.cBa induced ectopic vein phenotype. Overexpression of rhoScer\UAS.cBa driven by Scer\GAL4Bx-MS1096 in SX155 heterozygotes, leads to a partial suppression of the rhoScer\UAS.cBa induced solid vein phenotype. Overexpression of rhoScer\UAS.cBa driven by Scer\GAL4Bx-MS1096 in SX155 homozygous clones, produced a SX155 type phenotype, the rhoScer\UAS.cBa induced solid wing phenotype is completely suppressed.
The overproduction of eve-positive mesodermal founder cells seen in embryos expressing rhoScer\UAS.cBa under the control of Scer\GAL4twi.PG is partly suppressed if they are also carrying EgfrDN.Scer\UAS.cBa.
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Discoverer
E. Bier
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Reported As
Symbol Synonym
rhoScer\UAS.cBa
 
veScer\UAS.cBa
veUAS.cBa
 
Name Synonym
Saccharomyces cerevisiae UAS construct a of Bier
Secondary FlyBase IDs
hide References ( 9 )
Research paper
Birkholz et al., 2009, J. Neurosci. 29(9): 2666--2675
rhomboid mediates specification of blue- and green-sensitive R8 photoreceptor cells in Drosophila. [FBrf0207540]
Gallio et al., 2004, Development 131(15): 3605--3614
Rhomboid 3 orchestrates Slit-independent repulsion of tracheal branches at the CNS midline. [FBrf0179216]
Lunde et al., 2003, Development 130(2): 235--248
Activation of the knirps locus links patterning to morphogenesis of the second wing vein in Drosophila. [FBrf0155705]
Ghiglione et al., 2002, Development 129(1): 175--186
Mechanism of activation of the Drosophila EGF Receptor by the TGFalpha ligand Gurken during oogenesis. [FBrf0141506]
Guichard et al., 2002, Proc. Natl. Acad. Sci. U.S.A. 99(6): 3752--3757
A screen for dominant mutations applied to components in the Drosophila EGF-R pathway. [FBrf0147188]
Schulz et al., 2002, Development 129(19): 4523--4534
Signaling from germ cells mediated by the rhomboid homolog stet organizes encapsulation by somatic support cells. [FBrf0151926]
Guichard et al., 2000, Dev. Biol. 226(2): 255--266
brother of rhomboid, a rhomboid-related gene expressed during early Drosophila oogenesis, promotes EGF-R/MAPK signaling. [FBrf0129841]
Guichard et al., 1999, Development 126(12): 2663--2676
rhomboid and Star interact synergistically to promote EGFR/MAPK signaling during Drosophila wing vein development. [FBrf0108778]
Buff et al., 1998, Development 125(11): 2075--2086
Signalling by the Drosophila epidermal growth factor receptor is required for the specification and diversification of embryonic muscle progenitors. [FBrf0102731]