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General Information
D. melanogaster
FlyBase ID
Feature type
Computed Breakpoints include
Sequence coordinates
Member of large scale dataset(s)
Nature of Aberration
Cytological Order
Class of aberration (relative to wild type)
Class of aberration (relative to progenitor)
Causes alleles
Carries alleles
Transposon Insertions
Formalized genetic data
Genetic mapping information
Crei\I-CreI has been used to generate a deletion within the Ybb rRNA array (a degenerate consensus for the Crei\I-CreI endonuclease is present within the Ybb array).
Comments on Cytology
Sequence Crossreferences
DNA sequence
Protein sequence
Gene Deletion and Duplication Data
Genes Deleted / Disrupted
Complementation Data
Completely deleted / disrupted
Partially deleted / disrupted
Molecular Data
Completely deleted
Partially deleted
Genes NOT Deleted / Disrupted
Complementation Data
Molecular Data
Genes Duplicated
Complementation Data
Completely duplicated
Partially duplicated
Molecular Data
Completely duplicated
Partially duplicated
Genes NOT Duplicated
Complementation Data
Molecular Data
Phenotypic Data
In combination with other aberrations
C(1)DX/Df(Y)bb-465 males (in which the Df(Y)bb-465 chromosome is the only source of rDNA as C(1)DX lacks bb) show a bobbed mutant phenotype.
Df(Y)bb-465 is a suppressor of the position effect variegation (PEV) at the w locus seen in the In(1)wm4 chromosome.
Salivary gland nuclei of C(1)DX/Df(Y)bb-465 males have a reduced nucleolar volume compared to controls, and the nucleoli often appear fragmented, with ectopic small or micro nucleoli being seen.
The PEV at the lt locus seen in the T(2;3)ltX13 chromosome is enhanced by Df(Y)bb-465.
NOT in combination with other aberrations
Stocks (0)
Notes on Origin
Balancer / Genotype Variants of the Aberration
Separable Components
Other Comments
Synonyms and Secondary IDs (4)
Reported As
Symbol Synonym
y+Y10B, YrDNAbb-465
Name Synonyms
Secondary FlyBase IDs
    References (2)