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Gene Review

w  -  white

Drosophila melanogaster

Synonyms: BACN33B1.1, CG2759, DMWHITE, Dmel\CG2759, EG:BACN33B1.1, ...
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High impact information on w

  • The question addressed here is do these cells constitute an equivalence group (Kimble, J., Sulston, J. and White, J. (1979). In Cell Lineage, Stem Cells and Cell Determination (ed. N. Le Douarin). Inserm Symposium No. 10 pp. 59-68, Elsevier, Amsterdam) [1]?
  • A corresponding loss of Ubx protein expression in T3a of bx imaginal discs has been observed (White and Wilcox, 1985) [2].
  • white+ transgene insertions presenting a dorsal/ventral pattern define a single cluster of homeobox genes that is silenced by the polycomb-group proteins in Drosophila melanogaster [3].
  • Molecular and cellular evidence argues that a heterodimer between two ABC transporters, the White protein and the Brown protein, is responsible for pumping guanine into pigment-synthesizing cells of the fruit fly, Drosophila melanogaster [4].
  • These observations suggest that the cell-specific pattern of FMRFamide-like neuropeptide expression in the Drosophila CNS (White et al., '86; Taghert and Schneider, '90) is due to the restricted expression of specific gene transcripts [5].

Anatomical context of w


Associations of w with chemical compounds

  • Males with one of three recessive mutants: White, vermilion, or vestigial, competed with wild type males for females [8].
  • We compared rhabdomeres from tipulid retinae incubated before fixation for immunocytochemistry in a buffer without additives and a stabilising buffer that contained a cocktail of cysteine protease inhibitors; both were challenged by an anti-actin antibody for immunogold labelling after embedding in LR White Resin [9].


  1. Proneural clusters: equivalence groups in the epithelium of Drosophila. Simpson, P., Carteret, C. Development (1990) [Pubmed]
  2. Modifiers of bx1 alter the distribution of Ubx proteins in haltere imaginal discs of Drosophila. Manoukian, A.S., Krause, H.M., Larsen, E.W. Dev. Biol. (1992) [Pubmed]
  3. white+ transgene insertions presenting a dorsal/ventral pattern define a single cluster of homeobox genes that is silenced by the polycomb-group proteins in Drosophila melanogaster. Netter, S., Fauvarque, M.O., Diez del Corral, R., Dura, J.M., Coen, D. Genetics (1998) [Pubmed]
  4. Volatile general anesthetics reveal a neurobiological role for the white and brown genes of Drosophila melanogaster. Campbell, J.L., Nash, H.A. J. Neurobiol. (2001) [Pubmed]
  5. In situ hybridization analysis of the FMRFamide neuropeptide gene in Drosophila. I. Restricted expression in embryonic and larval stages. Schneider, L.E., O'Brien, M.A., Taghert, P.H. J. Comp. Neurol. (1991) [Pubmed]
  6. Sub-cellular localisation of the white/scarlet ABC transporter to pigment granule membranes within the compound eye of Drosophila melanogaster. Mackenzie, S.M., Howells, A.J., Cox, G.B., Ewart, G.D. Genetica (2000) [Pubmed]
  7. Analog of vertebrate anionic sites in blood-brain interface of larval Drosophila. Juang, J.L., Carlson, S.D. Cell Tissue Res. (1994) [Pubmed]
  8. Success of mutant Drosophila at different sex ratios. Just, J., Markow, T. Hereditas (1989) [Pubmed]
  9. The distribution of actin immunoreactivity in rhabdomeres of tipulid flies in relation to extracellular membrane shedding. Blest, A.D., Stowe, S., Clausen, J.A., Carter, M. Cell Tissue Res. (1991) [Pubmed]
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