A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Allele Dmel\trioScer\UAS.cBa

General Information
SymbolDmel\trioScer\UAS.cBaSpeciesD. melanogaster
NameSaccharomyces cerevisiae UAS construct a of BatemanFlyBase IDFBal0117278
Feature typealleleAssociated geneDmel\trio
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
Mutagen
Mutations Mapped to the Genome
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Associated Sequence Data
DDBJ /
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DNA sequence
Protein sequence
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Nature of the lesion
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Construct: Full length wild type trio cDNA is expressed under the influence of Scer\UAS regulatory sequences.
Carried in construct
Cytology
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Statement
Reference
Overexpression of a single copy of trio[Scer\UAS.cBa] during eye development driven by Scer\GAL4[GMR.PFa] causes a mild rough-eye phenotype, and expression of two copies results in a reduced number of ommatidia and a smaller bar shaped eye.
Pan-neuronal expression of trio[Scer\UAS.cBa] under the control of Scer\GAL4[elav-C155] does not produce any dominant axon patterning defects in a wild-type background.
Third instar larvae expressing trio[Scer\UAS.cBa] in motor neurons under the control of Scer\GAL4[BG380] show a similar number of boutons per muscle surface area as in wild type.
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Reference
Scer\GAL4GMR.PFa, trioScer\UAS.cBa has visible phenotype, enhanceable by kst[+]/kst1
Scer\GAL4GMR.PFa, trioScer\UAS.cBa has visible phenotype, enhanceable by kst[+]/kst2
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Reference
Scer\GAL4GMR.PFa, trioScer\UAS.cBa has eye phenotype, enhanceable by kst[+]/kst1
Scer\GAL4GMR.PFa, trioScer\UAS.cBa has eye phenotype, enhanceable by kst[+]/kst2
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Reference
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Statement
Reference
Scer\GAL4elav-C155/trioScer\UAS.cBa is an enhancer of intersegmental nerve | heat sensitive phenotype of Nl1N-ts1, trio123.4/trio[+]
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Reference
Heterozygosity for kst[1] significantly enhances the rough-eye phenotype induced by overexpression of trio[Scer\UAS.cBa] via Scer\GAL4[GMR.PFa]. Heterozygosity for kst[2] significantly enhances the rough-eye phenotype induced by overexpression of trio[Scer\UAS.cBa] via Scer\GAL4[GMR.PFa]. Heterozygosity for kst[B1-14.1] significantly enhances the rough-eye phenotype induced by overexpression of trio[Scer\UAS.cBa] via Scer\GAL4[GMR.PFa]. Co-expression of kst[Δ.Scer\UAS] with trio[Scer\UAS.cBa] under the control of Scer\GAL4[GMR.PFa] does not modify the eye phenotype of trio[Scer\UAS.cBa]-overexpression alone. Co-expression of kst[βH33.Scer\UAS] and trio[Scer\UAS.cBa] under the control of Scer\GAL4[GMR.PFa] suppresses the roughness of both the kst[βH33.Scer\UAS] and the trio[Scer\UAS.cBa] eye phenotype. Co-expression of trio[Scer\UAS.cBa] with kst[βH33.Scer\UAS] under the control of Scer\GAL4[ey.200.Exel] suppresses the eye phenotype resulting from the overexpression of kst[βH33.Scer\UAS].
A trio[123.4] heterozygous background significantly restores the ability of ISNb axons to enter the ventrolateral muscle field in N[l1N-ts1] mutants. This suppression is reverted upon pan-neural expression of trio[Scer\UAS.cBa] under the control of Scer\GAL4[elav-C155].
Scer\GAL4[how-24B]- or Scer\GAL4[elav-C155]-mediated expression of trio[Scer\UAS.cBa] restores the number of boutons in Liprin-β[Δ83] animals to control levels. Scer\GAL4[elav-C155]-mediated expression of trio[Scer\UAS.cBa] restores the number of boutons in Liprin-α[oos] animals to control levels.
Expression of trio[Scer\UAS.cBa] in motor neurons under the control of Scer\GAL4[BG380] partially suppresses the reduced bouton number phenotype seen in Mad[1]/Mad[k00237] larval neuromuscular junctions. Expression of trio[Scer\UAS.cBa] in motor neurons under the control of Scer\GAL4[BG380] partially suppresses the reduced bouton number phenotype seen in wit[A12]/wit[HA3] larval neuromuscular junctions.
Expression of trio[Scer\UAS.cBa] under the control of either the Scer\GAL4[arm.PS] or the Scer\GAL4[αTub84B.PL] driver cannot suppress the semi-lethality seen in vav[2] male homozygotes. Expression of trio[Scer\UAS.cBa] under the control of either the Scer\GAL4[arm.PS] or the Scer\GAL4[αTub84B.PL] driver cannot suppress the semi-lethality seen in vav[3] male homozygotes.
The border follicle cell migration defect seen in egg chambers expressing Rac1N17.Scer\UAS under the control of Scer\GAL4slbo.2.6 is partially suppressed by coexpression of trioScer\UAS.cBa.
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Comments
Expression of trio[Scer\UAS.cBa] in neurons under the control of Scer\GAL4[OK6] rescues the reduction in synaptic bouton phenotype seen in trio[S137203]/trio[6A] third instar larvae. Expression of trio[Scer\UAS.cBa] in muscles using Scer\GAL4[G14] is unable to rescue the phenotype. Expression of trio[Scer\UAS.cBa] only in the larval stages using the neuronal driver Scer\GAL4[elav.Switch.PO] rescues the reduction in synaptic bouton phenotype seen in trio[S137203]/trio[6A] third instar larvae.
When expression is driven by Scer\GAL4T155, wing posture of trioS138606/Df(3L)Ar12-1 is substantially rescued. When expression is driven by Scer\GAL4elav-C155, larval lethality is rescued to pupal lethality. When expression is driven by Scer\GAL4elav-C155, short stop phenotype of ISNb is reduced and short stop phenotype of SNa is eliminated.
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Bloomington
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Reported As
Symbol Synonym
trioScer\UAS.cBa
 
Name Synonym
Saccharomyces cerevisiae UAS construct a of Bateman
Secondary FlyBase IDs
hide References ( 7 )
Research paper
Lee and Thomas, 2011, Mech. Dev. 128(1-2): 116--128
Rac1 modulation of the apical domain is negatively regulated by β(Heavy)-spectrin. [FBrf0213021]
Song and Giniger, 2011, Dev. Dyn. 240(2): 324--332
Noncanonical notch function in motor axon guidance is mediated by Rac GTPase and the GEF1 domain of trio. [FBrf0212819]
Astigarraga et al., 2010, J. Neurosci. 30(46): 15358--15368
Three Drosophila liprins interact to control synapse formation. [FBrf0212351]
Ball et al., 2010, Neuron 66(4): 536--549
Retrograde BMP Signaling Controls Synaptic Growth at the NMJ by Regulating Trio Expression in Motor Neurons. [FBrf0210920]
Malartre et al., 2010, J. Neurosci. 30(6): 2257--2267
The Guanine Exchange Factor vav Controls Axon Growth and Guidance during Drosophila Development. [FBrf0209937]
Geisbrecht and Montell, 2004, Cell 118(1): 111--125
A role for Drosophila IAP1-mediated caspase inhibition in Rac-dependent cell migration. [FBrf0179220]
Bateman et al., 2000, Neuron 26(1): 93--106
The guanine nucleotide exchange factor trio mediates axonal development in the Drosophila embryo. [FBrf0127003]