A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Allele Dmel\Ced-1219F3

General Information
SymbolDmel\Ced-1219F3SpeciesD. melanogaster
NameFlyBase IDFBal0266883
Feature typealleleAssociated geneDmel\Ced-12
Also Known Aselmo19F3
Allele class
Mutagenethyl methanesulfonate
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Description
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FB2013_03
FB2013_02
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Amino acid replacement: Y393@.
Cytology
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Embryos homozygous for Ced-12[19F3] exhibit minor defects in axonal patterning. Longitudinal fascicles show a nearly wild type pattern, while occasional thinning of these tracks and increased length of adjacent segments is observed.
Ced-12[19F3] border cell clones display sever migration defects, with 35% showing no migration and the remaining 65% arresting their journey when only 25% complete. Df(2L)HO55/Ced-12[19F3] embryos have a large number of unfused myoblasts as well as missing muscles. Germline clone embryos mutant for Ced-12[19F3] die prior to myogenesis.
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Compared to Ced-12[19F3]/Ced-12[19F3] or spg[2]/spg[2] single mutants, a consistent increase in longitudinal axon defects is observed in the double homozygous mutants. There is also an increase in axons that inappropriately cross the midline, and abnormalities in the spacing between adjacent segments is enhanced. The final muscle pattern in Ced-12[19F3]/Ced-12[19F3], spg[2]/spg[2] double mutant embryos appears wild type. Ced-12[19F3], Df(2L)CadN[Δ14] double mutant exhibit a consistent enhancement of axonal breaks, although no increase in midline guidance errors. These embryos also show collapsed outer longitudinal axon tracts onto the MP1 fascicle, a phenotype that is not observed in either single mutant.
The rough eye phenotype resulting from Scer\GAL4[GMR.PU]-mediated expression of Ced-12[Scer\UAS.cGa] and mbc[Scer\UAS.cBa] is suppressed by heterozygosity for Ced-12[19F3].
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Reported As
Symbol Synonym
Ced-1219F3
 
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Research paper
Biersmith et al., 2011, PLoS ONE 6(1): e16120
The DOCK Protein Sponge Binds to ELMO and Functions in Drosophila Embryonic CNS Development. [FBrf0212890]
Geisbrecht et al., 2008, Dev. Biol. 314(1): 137--149
Drosophila ELMO/CED-12 interacts with Myoblast city to direct myoblast fusion and ommatidial organization. [FBrf0202723]