Aberration Dmel\Df(2L)TW50
| General Information | |||
|---|---|---|---|
| Symbol | Dmel\Df(2L)TW50 | Species | D. melanogaster |
| Name | Deficiency (2L) Ted Wright | FlyBase ID | FBab0001655 |
| Feature type | chromosomal_deletion | ||
| Also Known As | Df(2L)50 | ||
| Computed Breakpoints include | 36E4-36F1;38A6-38A7 | ||
| Deleted segment | 36E4--38A7 | ||
| Sequence coordinates | |||
| Member of large scale dataset(s) | |||
Recent Updates
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| Description |
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| FB2013_03 | |||
| FB2013_02 | |||
| All updates | Click here to see a list of all updates to this record from FB2010_08 and on. | ||
Nature of the Aberration
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| Cytological Order | |||
| Progenitor | |||
| Mutagen | |||
| Class of aberration (relative to progenitor) | |||
| Breakpoints | 36E4-36F1;38A6-38A7 | ||
| Causes alleles | |||
| Carries alleles | |||
| Transposon Insertions | |||
| Formalized genetic data | kel << bk1 << fs(2)eo3 << Fs(2)Ket << bk2 << barr | ||
| Genetic mapping information | |||
| Comments | Distal DNA breakpoints given (Steward, McNally, and Schedl, 1984, Nature 311: 262-65) | ||
Comments on Cytology
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All limits from polytene analysis (FBrf0028752) | |||
Sequence Crossreferences
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| DDBJ
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EMBL / GenBank | DNA sequence Protein sequence Name | ||
Gene Deletion & Duplication Data
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Genes Deleted / Disrupted
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| Complementation Data | |||
| Completely deleted / disrupted | |||
| Molecular Data | |||
| Completely deleted | |||
Genes NOT Deleted / Disrupted
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| Complementation Data | |||
| Molecular Data | |||
Genes Duplicated
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| Complementation Data | |||
| Molecular Data | |||
Genes NOT Duplicated
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| Complementation Data | |||
| Molecular Data | |||
Related Comments
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Phenotypic Data
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| In combination with other aberrations | Df(2L)MN-6 is semi-lethal in combination with Df(2L)TW50. Surviving females have reduced fertility (male adults are not recovered). Df(2L)MN-casspr shows reduced viability in combination with Df(2L)TW50. Df(2L)T317/Df(2L)TW50 animals are viable and fertile. Df(2L)TW50 is semi-lethal in combination with Df(2L)cact-255rv64. Inferred to overlap with: Df(2L)TW137. Viable and fertile in combination with Df(2L)pr2b. Viable and fertile in combination with Df(2L)pr37. Semilethal, male fertile and female subfertile in combination with Df(2L)pr11163. Semilethal and fertile in combination with Df(2L)pr-M1. Viable, male fertile and female subfertile in combination with Df(2L)pr49. Viable, male sterile and female subfertile in combination with Df(2L)pr8311. Male sterile in combination with Df(2L)pr1122. Semilethal and male and female sterile in combination with Df(2L)TW1. Semilethal in combination with Df(2L)TW161. No effect on In(1)wm4h position-effect variegation. | ||
| NOT in combination with other aberrations | Intermediate second site non-complementing phenotype with zipEbr and zipmhc-c6.1: malformed phenotype penetrance 25-75%. Shows no maternal enhancement of dpphr4. Shows a dose-sensitive interaction with pbhs.PB. Deficient embryos show an uninterpretable mutant midgut phenotype. Homozygous embryos are very abnormal compared to wild-type. The Malpighian tubule primordium forms but individual tubules do not bud out. Heterozygosity for this deletion has no effect on the mutant ovarian phenotype of ovoD2. Severe morphological defect. Associated with a dominant very weak Minute phenotype. | ||
Stocks
( 2 ) | |||
| Bloomington | |||
| Kyoto | |||
Notes on Origin
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| Discoverer | |||
Balancer / Genotype Variants of the Aberration
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Separable Components
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Other Comments
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The Df(2L)TW50 chromosome acts as a dominant moderate 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 this 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. | |||
Synonyms & Secondary IDs
( 6 ) | |||
| Reported As | |||
| Symbol Synonym | Df(2L)50 Df(2L)TW50 Df(2L)TW50 Df(2R)TW50 TW50 | ||
| Name Synonym | Deficiency (2L) Ted Wright | ||
| Secondary FlyBase IDs | |||
References
( 69 ) | |||
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Recent research papers (0)
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| All research papers listed in FlyBase were published before 2011 | |||
Recent Updates