A Database of Drosophila Genes & Genomes

FB2012_01, released January 20th, 2012
 

Aberration Dmel\Df(3R)6-7

General Information
SymbolDmel\Df(3R)6-7SpeciesD. melanogaster
NameFlyBase IDFBab0002478
Feature typechromosomal_deletion
Computed Breakpoints include 82D5;82F3-82F6
Deleted segment82D5--82F6
Sequence coordinates
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Description
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FB2012_01
FB2011_10
All updates Click here to see a list of all updates to this record from FB2010_08 and on.
hide Nature of the Aberration
Cytological Order
Progenitor
Mutagen
Class of aberration (relative to progenitor)
Breakpoints
82D3-82D8;82F
Causes alleles
Carries alleles
Transposon Insertions
Formalized genetic data atms << bk1 << bob << l(3)82Fc << bk2 << l(3)82Fj
Genetic mapping information
Comments
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Left limit of break 1 from non-inclusion of l(3)01456 (FBrf0104943) Right limit of break 1 from inclusion of l(3)02733 (FBrf0104943) Left limit of break 2 from inclusion of l(3)82Fc (FBrf0075380) Right limit of break 2 from polytene analysis (FBrf0064394)
 
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DDBJ /
EMBL /
GenBank
DNA sequence
Protein sequence
Name
 
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Complementation Data
Completely deleted / disrupted
Molecular Data
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Complementation Data
Molecular Data
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Complementation Data
Molecular Data
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Complementation Data
Molecular Data
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In combination with other aberrations
NOT in combination with other aberrations
Heterozygosity for Df(3R)6-7 results in 4.5% X chromosome nondisjunction and 1.4% fourth chromosome nondisjunction in In(1)FM7/X ; svspa-pol females.
Homozygous embryos have normal gut morphology.
Loss of cno activity in Ras85DV12.sev pupae does not affect over production of photoreceptor R7 cells.
Heterozygosity for this deletion suppresses the mutant ovarian phenotype of ovoD2.
Does remove 82F puff.
hide Stocks ( 3 )
Bloomington
Kyoto
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Discoverer
S. Wasserman.
 
selected by removal of a P-element in 82F
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The Df(3R)6-7 chromosome may act as a dominant suppressor of telomeric silencing (assayed using the effect of the chromosome on the eye colour phenotype of flies carrying "P{wvar}KR3-2", a stable "brown-red" variant of the P{3'WP-2,wvar}2Lt insertion), but the eye colour phenotype in the presence of Df(3R)6-7 overlaps the eye colour phenotype in a wild-type background so it cannot be unequivocally demonstrated that the deficiency chromosome uncovers a suppressor of telomeric silencing. In addition, any suppression is a false positive result (the suppressor is not within the bounds of the deficient region) because the region of the deficiency is covered by one or more nonsuppressing deficiencies.
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Secondary FlyBase IDs
hide References ( 32 )
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