A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Allele Dmel\PhmP(29)

General Information
SymbolDmel\PhmP(29)SpeciesD. melanogaster
NameFlyBase IDFBal0120693
Feature typealleleAssociated geneDmel\Phm
Allele classloss of function allele
MutagenDelta2-3
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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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References
Associated Sequence Data
DDBJ /
EMBL /
GenBank
DNA sequence
Protein sequence
Name
 
UniProtKB/Swiss-Prot
UniProtKB/TrEMBL
Progenitor genotype
Nature of the lesion
Statement
Reference
Imprecise excision of the Phmk07623 insertion has produced a deletion that removes 1309 bp of Phm genomic sequence. About 0.4kb of the original P{lacW} insertion also remains.
Caused by aberration
Cytology
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Statement
Reference
With very few exceptions homozygotes fail to hatch, those that do are nearly immobile and die within a few hours. Although failing to hatch, most embryos complete the large part of embryogenesis prior to their death. Little evidence for tissue disorganisation or morphological abnormality is seen. The G2 progeny of PhmP(29) adults rescued by PhmA5.hs have apparently normal central nervous systems (CNSs) about 3/4 of these embryos complete embryogenesis and hatch, about 3/5 reach pupal stages and about 1/5 complete metamorphosis. Puparium formation is often aberrant: puparia typically display a slight curvature, a failure to shorten normally, and a failure to evert anterior spiracles properly. The gas bubble fails to move anteriorly, leaving pupae in anterior position with abnormal posterior gas spaces. The majority of these non eclosing puparia die after completing pupation and proper eversion of the head wing and legs, but reveal no further adult differentiation, dying between stages P4ii and P7. Many animals also reaching the same stage display aberrant disc eversion, retention of larval mouthparts and imprecise elimination of apolysed tracheal cuticle. Almost none of the prepupae that fail to eclose differentiate past stage P7. Daily heatshock inductions do not increase the survival of these G2 animals.
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Rescued by
Partially rescued by
PhmP(29) is partially rescued by PhmA5.hs
Not rescued by
Comments
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hide Synonyms & Secondary IDs ( 3 )
Reported As
Symbol Synonym
PhmP(29)
 
Name Synonym
Secondary FlyBase IDs
hide References ( 2 )
Research paper
Taghert et al., 2001, J. Neurosci. 21(17): 6673--6686
Multiple amidated neuropeptides are required for normal circadian locomotor rhythms in Drosophila. [FBrf0138448]
Jiang et al., 2000, Dev. Biol. 226(1): 118--136
PHM is required for normal developmental transitions and for biosynthesis of secretory peptides in Drosophila. [FBrf0129874]