A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Allele Dmel\Nep4Scer\UAS.A

General Information
SymbolDmel\Nep4Scer\UAS.ASpeciesD. melanogaster
NameFlyBase IDFBal0277820
Feature typealleleAssociated geneDmel\Nep4
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
Type
Location
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Associated Sequence Data
DDBJ /
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DNA sequence
Protein sequence
Name
 
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Progenitor genotype
Nature of the lesion
Statement
Reference
Scer\UAS regulatory sequences drive expression of the full-length Nep4 A isoform.
Carried in construct
Cytology
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Statement
Reference
Expression of high levels of Nep4[Scer\UAS.A] under the control of Scer\GAL4[Mef2.5xCD] results in a reduced crawling speed in second instar larvae compared to wild type. This reduction appears to be caused by a combination of fewer and weaker muscle contractions than normal. The body wall muscles of third instar larvae expressing Nep4[Scer\UAS.A] under the control of Scer\GAL4[Mef2.5xCD] show degeneration and a loss of sarcomeric structure. Actin-myosin distribution is disorganised, the I-band pattern is completely disrupted and Z-bands are staggered. Nuclei with dispersed chromatin, swollen and severely fragmented mitochondria and swollen sarcoplasmic reticuli are seen. Larvae expressing Nep4[Scer\UAS.A] under the control of Scer\GAL4[how-24B] show muscle degeneration.
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Reported As
Symbol Synonym
Nep4Scer\UAS.A
 
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Secondary FlyBase IDs
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Research paper
Panz et al., 2012, Biol. Cell 104(9): 553--568
A novel role for the non-catalytic intracellular domain of Neprilysins in muscle physiology. [FBrf0219388]