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Title

Genetic activity along 315 kb of the Drosophila chromosome

Authors
Bossy, Blaise
Hall, Lucinda M. C.
Published in EMBO Journal. 1984, vol. 3, no. 11, p. 2537-41
Abstract Transcripts from different tissues were mapped along a 315 kb segment of the Drosophila chromosome, a region which includes the rosy and Ace loci. Forty-three distinct RNA species were detected, though only 12 recessive lethal complementation groups had been mapped in the interval. The sum of the sizes of the transcripts covers 33% of the genomic DNA. The distribution of transcription units along the walk is very uneven. Sixty-three kb of genomic DNA at the proximal end of the walk encode 18 transcripts, while only seven are found in the next 153 kb. Each tissue exhibits a specific spectrum of transcripts. No clustering was seen among genes expressed coordinately. In salivary glands, the number of transcripts detected corresponds to the number of chromomeric units in the polytene chromosomes of this tissue. Moreover, the density distribution of transcripts along the DNA walk is parallel to the density distribution of chromomeric units.
Keywords Chromosome organizationDifferentiationDrosophila melanogasterTranscription
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PMID: 16453566
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BOSSY, Blaise, HALL, Lucinda M. C., SPIERER, Pierre. Genetic activity along 315 kb of the Drosophila chromosome. In: EMBO Journal, 1984, vol. 3, n° 11, p. 2537-41. https://archive-ouverte.unige.ch/unige:9856

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Deposited on : 2010-08-05

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