A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Allele Dmel\ThorLL.Scer\UAS

General Information
SymbolDmel\ThorLL.Scer\UASSpeciesD. melanogaster
NameFlyBase IDFBal0147362
Feature typealleleAssociated geneDmel\Thor
Allele class
Mutagenin vitro construct - regulatory fusionin vitro construct - amino acid replacement
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Description
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FB2013_03
FB2013_02
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Construct: Amino acid replacement: M59L. Amino acid replacement: K60L. Scer\UAS regulatory sequences drive expression of a mutated form of Thor.
Carried in construct
Cytology
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Statement
Reference
Overexpression of Thor[LL.Scer\UAS] in muscles under the control of Scer\GAL4[Mhc.PW] significantly preserves muscle protein homeostasis, while the muscles of wild-type animals display increased accumulation of protein aggregates. Compared to syngenic controls, the age-related accumulation of protein aggregates in retinas, brains and the peripheral fat body of the abdomen is also decreased in flies overexpressing foxo[Scer\UAS.cFa] under the control of Scer\GAL4[Mhc.PW]. Muscle functionality gradually decreases in wild-type aging flies, resulting in impaired climbing and flight ability. Overexpression of Thor[LL.Scer\UAS] under the control of Scer\GAL4[Mhc.PW] significantly preserves muscle strength during aging. Overexpression of Thor[LL.Scer\UAS] under the control of Scer\GAL4[Mhc.PW] in muscles is sufficient to significantly extend longevity compared with wild type by increasing the median and maximum life span of flies. Food intake of flies is decreased in response to overexpression of Thor[LL.Scer\UAS] in muscles via Scer\GAL4[Mhc.PW]. The body weight of adult flies overexpressing Thor[LL.Scer\UAS] under the control of Scer\GAL4[Mhc.PW] does not significantly differ from that of syngenic controls. There is a significant decrease in the hemolymph glucose concentration compared with syngenic control in flies overexpressing Thor[LL.Scer\UAS] under the control of Scer\GAL4[Mhc.PW]
Overexpression of Thor[LL.Scer\UAS] under the control of Scer\GAL4[arm.PS] extends the mean life-span of females by 14% on rich food, but does not seem to affect males. In contrast, under dietary restriction, there is no lifespan extension, beyond the effect of dietary restriction alone.
When expression is driven in the wing, by Scer\GAL4Bx-MS1096, wing size is reduced, though pattern is unaffected. The effect on size is evident in the wing disc. The reduction in size is caused by reduction in cell number. When expression is driven in the eye disc, via Scer\GAL4GMR.PF, the resulting eyes, though normally patterned, have ommatidia reduced in size (not number) compared to those of control eyes. When expression is driven by Scer\GAL4Act5C.PP, in clones in the larval fat body, the size of the fat body cells is reduced.
Expression of ThorLL.Scer\UAS under the control of Scer\GAL4Bx-MS1096 using the P{UAS-Thor.LL}w transgene causes a marked reduction in wing size (11.2 +/- 3.4%) without affecting cell number. Wing discs in these animals are indistinguishable from control discs. Expression of ThorLL.Scer\UAS under the control of Scer\GAL4Bx-MS1096 using the P{UAS-Thor.LL}s transgene causes a marked reduction in wing size (37.1 +/- 2.7%) which is partly due to a decrease in cell number (19.0 +/- 4.3%). Wing discs in these animals are 52% smaller than normal and contain many apoptotic cells. The flies take 1-2 days longer to eclose than normal. Clones in the wing disc expressing ThorLL.Scer\UAS under the control of Scer\GAL4Act5C.PP using the P{UAS-Thor.LL}w transgene have fewer cells than wild-type clones. Few clones in the wing disc expressing ThorLL.Scer\UAS under the control of Scer\GAL4Act5C.PP using the P{UAS-Thor.LL}s transgene are recovered and they usually contain 1-2 cells. Clones in the wing disc expressing ThorLL.Scer\UAS under the control of Scer\GAL4Act5C.PP are smaller in size than wild type. Clones in the fat body expressing ThorLL.Scer\UAS under the control of Scer\GAL4Act5C.PP using the P{UAS-Thor.LL}s transgene are 45-70% smaller than neighbouring wild-type cells. Clones in the fat body expressing ThorLL.Scer\UAS under the control of Scer\GAL4Act5C.PP using the P{UAS-Thor.LL}s transgene are recovered in the posterior of the eye disc but are absent from the anterior of the eye disc and the antennal disc. Expression of ThorLL.Scer\UAS under the control of Scer\GAL4dpp.blk1 using the P{UAS-Thor.LL}s transgene results in reduction in size of the region encompassed by wing veins 3 and 4, the anterior crossvein and the wing margin.
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Statement
Reference
Scer\GAL4Mhc.PW, ThorLL.Scer\UAS has long lived phenotype, non-suppressible by foxo21/foxo[+]
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Statement
Reference
Overexpression of Thor[LL.Scer\UAS] under the control of Scer\GAL4[Mhc.PW] in a heterozygous foxo[21] mutant genetic background is sufficient to significantly extend longevity compared with wild type by increasing the median and maximum life span of flies.
Co-expression of BacA\p35Scer\UAS.cHa partially rescues the reduced size of wing discs in animals expressing ThorLL.Scer\UAS under the control of Scer\GAL4Bx-MS1096 using the P{UAS-Thor.LL}s transgene. The number of cells in clones in the wing disc expressing ThorLL.Scer\UAS under the control of Scer\GAL4Act5C.PP using the P{UAS-Thor.LL}w is not affected by co-expression of BacA\p35Scer\UAS.cHa. Co-expression of BacA\p35Scer\UAS.cHa greatly increases the number of clones recovered in the wing disc expressing ThorLL.Scer\UAS under the control of Scer\GAL4Act5C.PP using the P{UAS-Thor.LL}s transgene, but only marginally increases the number of cells per clone. The region of the wing encompassed by wing veins 3 and 4, the anterior crossvein and the wing margin is reduced in size when ThorLL.Scer\UAS is expressed under the control of Scer\GAL4dpp.blk1 using the P{UAS-Thor.LL}s transgene in a Df(2L)Pi3K21B-A/+; P{U2af38.gR10} background.
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Bloomington
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hide Synonyms & Secondary IDs ( 1 )
Reported As
Symbol Synonym
ThorLL.Scer\UAS
 
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hide References ( 6 )
Research paper
Demontis and Perrimon, 2010, Cell 143(5): 813--825
FOXO/4E-BP Signaling in Drosophila Muscles Regulates Organism-wide Proteostasis during Aging. [FBrf0212347]
Gehrke et al., 2010, Nature 466(7306): 637--641
Pathogenic LRRK2 negatively regulates microRNA-mediated translational repression. [FBrf0211387]
Lee et al., 2010, Science 327(5970): 1223--1228
Sestrin as a feedback inhibitor of TOR that prevents age-related pathologies. [FBrf0210161]
Zid et al., 2009, Cell 139(1): 149--160
4E-BP extends lifespan upon dietary restriction by enhancing mitochondrial activity in Drosophila. [FBrf0209084]
Roy et al., 2004, Mol. Cell. Biol. 24(3): 1143--1154
The Drosophila poly(A) binding protein-interacting protein, dPaip2, is a novel effector of cell growth. [FBrf0167891]
Miron et al., 2001, Nat. Cell Biol. 3(6): 596--601
The translational inhibitor 4E-BP is an effector of PI(3)K/Akt signalling and cell growth in Drosophila. [FBrf0137059]