A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Aberration Dmel\Df(3R)e-F1

General Information
SymbolDmel\Df(3R)e-F1SpeciesD. melanogaster
NameDeficiency (3R) ebonyFlyBase IDFBab0002771
Feature typechromosomal_deletion
Also Known AsDf(3R)eF1, Df(3R)eF1
Computed Breakpoints include 93C6-93D1;93E1
Deleted segment93C6--93E1
Sequence coordinates
Member of large scale dataset(s)
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Description
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FB2013_03
FB2013_02
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hide Nature of the Aberration
Cytological Order
Progenitor
Mutagen
Class of aberration (relative to progenitor)
Breakpoints
93B6-93B7;93E1-93E2
93B8-93B13;93D7-93D10
Causes alleles
Carries alleles
Transposon Insertions
Formalized genetic data l(3)93Ca << bk1 << l(3)AFA7 << l(3)93Dk << bk2 << lbe
Genetic mapping information
Comments
Breakpoint(s) molecularly mapped
hide Comments on Cytology
Left limit of break 1 from non-inclusion of l(3)93Ca (FBrf0040940) Right limit of break 1 from inclusion of l(3)93Cb (FBrf0040940) Left limit of break 2 from inclusion of bap (FBrf0091087) Right limit of break 2 from non-inclusion of lbe (FBrf0091087)
 
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DDBJ /
EMBL /
GenBank
DNA sequence
Protein sequence
Name
 
hide Gene Deletion & Duplication Data
hide Genes Deleted / Disrupted
Complementation Data
Completely deleted / disrupted
Molecular Data
Partially deleted
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Complementation Data
Molecular Data
hide Genes Duplicated
Complementation Data
Molecular Data
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Complementation Data
Molecular Data
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hide Phenotypic Data
In combination with other aberrations
Df(3R)lb/Df(3R)e-F1 are uncovered for lbl, lbe and bap. In these embryos no dramatic change is seen in the ventral nerve cord morphology. However, there seem to be slightly more lateral projections compared to wild-type. The glial cell population is also affected in its positioning and number. An increased number of medially located glial cells is seen, as is a partial loss or abnormal positioning of lateral exit and subperineural glial cells. An additional ~2.3 glial cells are seen per hemineuromere. Defects are also seen i the segmental nerves. The distance between the ISN and SN bundles is much more variable and larger than seen in wild-type.
bap null embryos (Df(3R)e-F1/Df(3R)e-D7 embryos carrying tin+t10.7, referred to as "bapDf") show visceral mesoderm defects; the presumptive visceral mesoderm cells do internalise, but they show incomplete coalescence of the clusters during stage 11. At later stages, very few of the visceral mesoderm cells are attached to the endoderm. Cells which originate from trunk visceral mesoderm primordia fuse into syncytia of somatic muscles.
Df(3R)e-D7/Df(3R)e-F1 embryos carrying a tin rescue transgene have an increased number of somatic gonadal precursor cells.
NOT in combination with other aberrations
tin+t10.7 Df(3R)e-D7/Df(3R)e-F1 embryos lack muscle fibres at the position of the segmental border muscle (SBM) and have unfused myoblasts in or around the SBM position in 57% of hemisegments. In the remaining 43% of hemisegments, the muscle fibres lying within or close to the segmental borders have abnormal shapes and have insertion sites clearly distinct from those of the SBM. The lateral adult muscle precursors are absent or reduced in number, and the ventral adult muscle precursors are duplicated.
Homozygous embryos do not develop the anal plate and display defects in the dorsal cuticle. Anal plate is restored by heat induced expression of P{hs-lbl}.
hide Stocks ( 2 )
Bloomington
Kyoto
hide Notes on Origin
Discoverer
hide Balancer / Genotype Variants of the Aberration
hide Separable Components
hide Other Comments
Primer targetted to lbe shows it is located outside the deleted region but lack of lbe activity in homozygous embryos suggests the chromosome carries an additional mutation in lbe or deletes some regulatory sequences located downstream of the gene.
hide Synonyms & Secondary IDs ( 4 )
Reported As
Symbol Synonym
Df(3R)e-F1
 
Name Synonym
Deficiency (3R) ebony
 
Secondary FlyBase IDs
hide References ( 32 )
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