A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Allele Dmel\aosrlt

General Information
SymbolDmel\aosrltSpeciesD. melanogaster
NameFlyBase IDFBal0035517
Feature typealleleAssociated geneDmel\aos
Also Known Asrlt1, argosrlt
Allele class
Mutagen
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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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GenBank
DNA sequence
Protein sequence
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Nature of the lesion
Statement
Reference
Contains a truncated P-element in the 5' UTR of argos within the proposed transcriptional start at bp 55.
Cytology
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Statement
Reference
Many argos[rlt] ommatidia mis-rotate; the variance (s.d.) in degree of rotation is greater than in wild type in adult eyes and the mean angle of orientation of the ommatidia is only 77.84[o] (compared to 90[o] in wild type).
Homozygotes, argosrlt/argosΔ7 or argosrlt/Df(3L)st7P animals exhibit a ommatidial rotation phenotype. Clusters are seen that are both over and under-rotated with respect to their neighbours and developmental stage. Mutant animals do not exhibit any photoreceptor R3/R4 cell fate defects.
The addition of argosrlt/+ enhances the eye cell polarity phenotype seen in fz19/fz20 animals.
About 12% of ommatidia in homozygous argosrlt animals exhibit extra R cells. Of those that ommatidia that remain about 49% exhibit misrotations, about 6% exhibit achirality, and about 1% exhibit the wrong chirality. About 11% of ommatidia in argosΔ7/argosrlt animals exhibit extra R cells. Of those that ommatidia that remain about 52% exhibit misrotations, about 1% exhibit achirality, and about 1% exhibit the wrong chirality. About 16% of ommatidia in argos5F4/argosrlt animals exhibit extra R cells. Of those that ommatidia that remain about 53% exhibit misrotations, about 2% exhibit achirality, and about 0.3% exhibit the wrong chirality.
Photoreceptor orientation is abnormal. The majority of ommatidia have the normal number of photoreceptors, in normal trapezoidal configuration, though 17% of ommatidia have an extra photoreceptor cell. But 47% of photoreceptor clusters actually rotate more than 90o. nmo mutants are epistatic to argosrlt with respect to ommatidial precluster orientation.
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Reference
argos[+]/aosrlt is a non-enhancer of visible phenotype of Scer\GAL4en-e16E, kermitGS2053
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Reference
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Statement
Reference
argos[+]/aosrlt is a non-suppressor of visible phenotype of Scer\GAL4en-e16E, kermitGS2053
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Reference
aosrlt has ommatidium phenotype, suppressible | partially by Egfrt1
aosrlt has ommatidium phenotype, suppressible | partially by nmoP1
aosrlt has ommatidium phenotype, suppressible | partially by pntΔ88
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Statement
Reference
aosrlt is an enhancer of ommatidium phenotype of fz20/fz19
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Statement
Reference
argos[+]/aosrlt is a non-enhancer of wing hair phenotype of Scer\GAL4en-e16E, kermitGS2053
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Statement
Reference
aosrlt is a suppressor of ommatidium phenotype of Rac1V12.hs.sev
aosrlt is a suppressor of ommatidium phenotype of Ras64BV14.Act5C
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Statement
Reference
aosrlt is a non-suppressor of ommatidium phenotype of ecspok
argos[+]/aosrlt is a non-suppressor of ommatidium phenotype of Scer\GAL4hs.2sev, nmoScer\UAS.cUa
argos[+]/aosrlt is a non-suppressor of wing hair phenotype of Scer\GAL4en-e16E, kermitGS2053
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Statement
Reference
The small-eye phenotype observed in animals expressing H[Scer\UAS.cMa] in the eye under the control of Scer\GAL4[GMR.PU] is partially suppressed in a argos[rlt]/+ mutant background.
The ommatidial rotation defects observed in ec[spok] hemizygous adult eyes are not suppressed by argos[rlt]/+.
S48-5/argosrlt mutants show 3.74%+-1.99 misrotated ommatidia compared to 9.55%+-1.43 seen in S48-5 mutants alone.
Heterozygotes suppress the ommatidial polarity defects seen in Ras64BV14.Act5C.
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Bloomington
7336
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hide References ( 15 )
Research paper
Harris et al., 2011, J. Cell Biol. 194(1): 77--87
Cargo sorting to lysosome-related organelles regulates siRNA-mediated gene silencing. [FBrf0214287]
Djiane and Mlodzik, 2010, PLoS ONE 5(6): e11228
The Drosophila GIPC homologue can modulate myosin based processes and planar cell polarity but is not essential for development. [FBrf0211141]
Fetting et al., 2009, Development 136(19): 3323--3333
The cell adhesion molecules Echinoid and Friend of Echinoid coordinate cell adhesion and cell signaling to regulate the fidelity of ommatidial rotation in the Drosophila eye. [FBrf0208836]
Fiehler and Wolff, 2008, Dev. Biol. 313(2): 533--544
Nemo is required in a subset of photoreceptors to regulate the speed of ommatidial rotation. [FBrf0203152]
Protzer et al., 2008, J. Cell Sci. 121(19): 3167--3176
Hairless induces cell death by downregulation of EGFR signalling activity. [FBrf0207053]
Montrasio et al., 2007, Dev. Dyn. 236(10): 2936--2942
A new allele uncovers the role of echinus in the control of ommatidial rotation in the Drosophila eye. [FBrf0202297]
Muñoz-Descalzo et al., 2007, Int. J. Dev. Biol. 51(5): 379--387
Analysis of the role of the Rac/Cdc42 GTPases during planar cell polarity generation in Drosophila. [FBrf0200938]
Brown and Freeman, 2003, Development 130(22): 5401--5412
Egfr signalling defines a protective function for ommatidial orientation in the Drosophila eye. [FBrf0167498]
Gaengel and Mlodzik, 2003, Development 130(22): 5413--5423
Egfr signaling regulates ommatidial rotation and cell motility in the Drosophila eye via MAPK/Pnt signaling and the Ras effector Canoe/AF6. [FBrf0167499]
Strutt and Strutt, 2003, Curr. Biol. 13(16): 1451--1457
EGF signaling and ommatidial rotation in the Drosophila eye. [FBrf0162001]
Fanto et al., 2000, Curr. Biol. 10(16): 979--988
Nuclear signaling by Rac and Rho GTPases is required in the establishment of epithelial planar polarity in the Drosophila eye. [FBrf0129802]
Choi and Benzer, 1994, Cell 78(1): 125--136
Rotation of photoreceptor clusters in the developing Drosophila eye requires the nemo gene. [FBrf0072827]
Supplementary material
Strutt and Strutt, 2003, Curr. Biol. 13(16):
EGF signaling and ommatidial rotation in the Drosophila eye. [FBrf0173057]
Fanto, 2000, Curr. Biol. 10(16):
Nuclear signaling by Rac and Rho GTPases is required in the establishment of epithelial planar polarity in the Drosophila eye. [FBrf0131040]
Review
Wolff, 2003, Curr. Biol. 13(20): R813--R814
EGF receptor signaling: putting a new spin on eye development. [FBrf0173121]