Transcription of the segment-polarity gene wingless in the imaginal discs of Drosophila, and the phenotype of a pupal-lethal wg mutation

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Abstract

Wingless (wg) is a segment-polarity gene in Drosophila which is related to the murine proto-oncogene int-1. In Drosophila embryos, wg transcription defines part of each parasegment. In situ hybridization shows that wg is also expressed in the imaginal discs which give rise to the adult during metamorphosis. Transcripts are localized in the apical cytoplasm of disc cells, and accumulate in different patterns in dorsal and ventral discs. The wg(CX3) mutation produces morphological defects in the adult structures derived from these imaginal discs. The results show that wg is involved in the development of the adult, as well as the embryo, but that the imaginal discs do not express this segment-polarity gene in an identical pattern to the embryonic segments.

Original languageEnglish (US)
Pages (from-to)489-497
Number of pages9
JournalDevelopment
Volume102
Issue number3
StatePublished - 1988
Externally publishedYes

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Imaginal Discs
Drosophila
Phenotype
Mutation
Embryonic Structures
Genes
Proto-Oncogenes
In Situ Hybridization
Cytoplasm

ASJC Scopus subject areas

  • Cell Biology
  • Anatomy

Cite this

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abstract = "Wingless (wg) is a segment-polarity gene in Drosophila which is related to the murine proto-oncogene int-1. In Drosophila embryos, wg transcription defines part of each parasegment. In situ hybridization shows that wg is also expressed in the imaginal discs which give rise to the adult during metamorphosis. Transcripts are localized in the apical cytoplasm of disc cells, and accumulate in different patterns in dorsal and ventral discs. The wg(CX3) mutation produces morphological defects in the adult structures derived from these imaginal discs. The results show that wg is involved in the development of the adult, as well as the embryo, but that the imaginal discs do not express this segment-polarity gene in an identical pattern to the embryonic segments.",
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T1 - Transcription of the segment-polarity gene wingless in the imaginal discs of Drosophila, and the phenotype of a pupal-lethal wg mutation

AU - Baker, Nicholas E.

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AB - Wingless (wg) is a segment-polarity gene in Drosophila which is related to the murine proto-oncogene int-1. In Drosophila embryos, wg transcription defines part of each parasegment. In situ hybridization shows that wg is also expressed in the imaginal discs which give rise to the adult during metamorphosis. Transcripts are localized in the apical cytoplasm of disc cells, and accumulate in different patterns in dorsal and ventral discs. The wg(CX3) mutation produces morphological defects in the adult structures derived from these imaginal discs. The results show that wg is involved in the development of the adult, as well as the embryo, but that the imaginal discs do not express this segment-polarity gene in an identical pattern to the embryonic segments.

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