A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Allele Dmel\tkvScer\UAS.cNa

General Information
SymbolDmel\tkvScer\UAS.cNaSpeciesD. melanogaster
NameSaccharomyces cerevisiae UAS construct a of NellenFlyBase IDFBal0050627
Feature typealleleAssociated geneDmel\tkv
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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Nature of the lesion
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Construct: Expression of a 2.5kb EcoRI-DraI fragment of cDNA STK-A fused to αTub84B transcriptional termination sequences is influences by Scer\UAS Scer\GAL4 binding sites.
Carried in construct
Cytology
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Statement
Reference
In early third instar larvae, expression of tkv[Scer\UAS.cNa] in the dorsal wing disc under the control of Scer\GAL4[ap-md544] results in an apical-basal cell length 1.4 times longer than in control cells. Expressing cells are pseudostratified, and the apical cell circumference is decreased compared to control cells. The shape of the prospective dorsal hinge cells are not altered. In late third instar larval wing discs, dorsal pouch cells are moderately longer along their apical-basal axis compared with control cells.
Anterior overexpression of tkv[Scer\UAS.cNa] by Scer\GAL4[ptc-559.1] results in ectopic apical fold formation along the anteroposterior boundary of the larval wing pouch leading to gap formation in the prepupal and adult wing.
The wings of flies that express tkvScer\UAS.cNa under the control of Scer\GAL4tub are ~30% smaller than wild-type wings.
Expression of tkvScer\UAS.cNa in the wing and haltere, driven by Scer\GAL4tub and Scer\GAL4vg.int2.1, results in wings that are smaller than wild-type flies. Cell size in tkvScer\UAS.cNa-overexpressing wings is the same as for wild-type wings. Furthermore, wing disc size is reduced in larvae expressing tkvScer\UAS.cNa under the control of only Scer\GAL4tub.
Expression of tkvScer\UAS.cNa under the control of Scer\GAL4Act5C.PI in clones in the wing results in bifurcation of veins and transformation of bristles.
Expression of tkvScer\UAS.cNa under the control of Scer\GAL4dpp.blk1 results in small wings with abnormal patterning in the central region of the wing. Veins 4 and 5 appear to partially fuse and there is abnormal overgrowth of the region between veins 3 and 4.
Coexpression of P{UAS-tkv} and P{UAS-put.N} with Scer\GAL469B causes strong dorsalisation of the embryo. Such embryos fail to develop ventral denticle belts and exhibit dorsal hairs along the entire dorsoventral axis. Expression of P{UAS-tkv} alone with Scer\GAL469B has no effect on embryonic patterning.
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Statement
Reference
Expression of tkvScer\UAS.cNa under the control of Scer\GAL4Act5C in a Ubxpbx-1/Ubx9.22 background reduces the size of the P compartment of haltere discs relative to that observed in Ubxpbx-1/Ubx9.22 discs (from 1.45 to 0.83), although this ratio is still greater than that of wild-type discs.
Flies that express tkvScer\UAS.cNa, under the control of Scer\GAL4tub, in a dpphr4/dppd6 background, have smaller wings than flies expressing the transgene in a wild-type background and than dpphr4/dppd6 flies that do not express tkvScer\UAS.cNa.
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hide Synonyms & Secondary IDs ( 3 )
Reported As
Symbol Synonym
tkvScer\UAS.cNa
 
tkvUAS.cNa
 
Name Synonym
Saccharomyces cerevisiae UAS construct a of Nellen
Secondary FlyBase IDs
hide References ( 15 )
Research paper
Widmann and Dahmann, 2009, J. Cell Sci. 122(9): 1362--1373
Dpp signaling promotes the cuboidal-to-columnar shape transition of Drosophila wing disc epithelia by regulating Rho1. [FBrf0207672]
Shen et al., 2008, Mech. Dev. 125(3-4): 233--246
optomotor-blind suppresses instability at the A/P compartment boundary of the Drosophila wing. [FBrf0202782]
Terriente et al., 2008, Dev. Biol. 320(1): 102--112
The Drosophila gene zfh2 is required to establish proximal-distal domains in the wing disc. [FBrf0207390]
Crickmore and Mann, 2007, Development 134(2): 327--334
Hox control of morphogen mobility and organ development through regulation of glypican expression. [FBrf0194329]
Crickmore and Mann, 2006, Science 313(5783): 63--68
Hox control of organ size by regulation of morphogen production and mobility. [FBrf0195181]
Gibson and Perrimon, 2005, Science 307(5716): 1785--1789
Extrusion and death of DPP/BMP-compromised epithelial cells in the developing Drosophila wing. [FBrf0184250]
Myat et al., 2005, Dev. Biol. 281(1): 38--52
A molecular link between FGF and Dpp signaling in branch-specific migration of the Drosophila trachea. [FBrf0187390]
Reim and Frasch, 2005, Development 132(22): 4911--4925
The Dorsocross T-box genes are key components of the regulatory network controlling early cardiogenesis in Drosophila. [FBrf0190316]
Shen and Dahmann, 2005, Dev. Biol. 279(1): 31--43
The role of Dpp signaling in maintaining the Drosophila anteroposterior compartment boundary. [FBrf0183859]
Kruse et al., 2004, Development 131(19): 4843--4856
Dpp gradient formation by dynamin-dependent endocytosis: receptor trafficking and the diffusion model. [FBrf0180152]
Funakoshi et al., 2001, Development 128(1): 67--74
mtv shapes the activity gradient of the Dpp morphogen through regulation of thickveins. [FBrf0131291]
Tanimoto et al., 2000, Mol. Cell 5(1): 59--71
Hedgehog creates a gradient of DPP activity in Drosophila wing imaginal discs. [FBrf0125394]
Vincent et al., 1997, Development 124(14): 2741--2750
DPP controls tracheal cell migration along the dorsoventral body axis of the Drosophila embryo. [FBrf0097693]
Nellen et al., 1996, Cell 85(3): 357--368
Direct and long-range action of a DPP morphogen gradient. [FBrf0087626]
Supplementary material
Crickmore and Mann, 2006, Science 3485(5783):
Supporting online material. [FBrf0199087]