A Database of Drosophila Genes & Genomes

FB2008_07, released August 8, 2008
 

Reference Report

Reference
Citation McNabb, S., Greig, S., Davis, T. (1996). The alcohol dehydrogenase gene is nested in the outspread locus of Drosophila melanogaster.  Genetics 143(2): 897--911.
FlyBase ID FBrf0087599
Type of publication Research paper
Offprint Available No
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PubMed ID 8725237
PubMed Abstract This report describes the structure and expression of the outspread (osp) gene of Drosophila melanogaster. Previous work showed that chromosomal breakpoints associated with mutations of the osp locus map to both sides of the alcohol dehydrogenase gene (Adh), suggesting that Adh and the adjacent gene Adhr are nested in osp. We extended a chromosomal walk and mapped additional osp mutations to define the maximum molecular limit of osp as 119 kb. We identified a 6-kb transcript that hybridizes to osp region DNA and is altered or absent in osp mutants. Accumulation of this RNA peaks during embryonic and pupal periods. The osp cDNAs comprise two distinct classes based on alternative splicing patterns. The 5' end of the longest cDNA was extended by PCR amplification. When hybridized to the osp walk, the 5' extension verifies that Adh and Adhr are nested in osp and shows that osp has a transcription unit of > or = 74 kb. In situ hybridization shows that osp is expressed both maternally and zygotically. In the ovary, osp is transcribed in nurse cells and localized in the oocyte. In embryos, expression is most abundant in the developing visceral and somatic musculature.
Biosis 99038636
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Language of publication English
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Abbreviation Genetics
Title Genetics
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Volume range 1-
Year range 1916-
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Place of publication Austin, TX, etc
Language of publication English
ISBN/ISSN 0016-6731
CODEN GENTAE
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