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PMID: 16593362 Published · ppublish English Journal Article

Variation at the 87A heat shock locus in Drosophila melanogaster.

Proceedings of the National Academy of Sciences of the United States of America ·Vol. 80 ·No. 17 ·1983-09-00 ·Pages 5350-4

Brown AJ

Abstract

Restriction maps for 25 kilobases of DNA around the 87A7 heat shock locus have been determined in 29 chromosomes isolated from a natural population. The heterozygosity per nucleotide and the proportion of polymorphic nucleotide sites were estimated to be 0.0024 and 0.007, respectively. The mean number of insertional differences in this region between random pairs of chromosomes was 0.95. A significant amount of this variation was due to the insertion of large transposable elements. All the insertion/deletion events were found in a region less than 2 kilobases in size. This could either be due to nonrandom integration or to differences in the intensity of selection against DNA insertion at different sites.

Authors & Affiliations
1 authors, click to expand affiliations / ORCID
Brown A J
Imperial Cancer Research Fund, Mill Hill Laboratories, Burtonhole Lane, London NW7 1AD, United Kingdom.
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Article Info
Journal
Proceedings of the National Academy of Sciences of the United States of America
Abbr.
Proc Natl Acad Sci U S A
ISSN
0027-8424
DOI
10.1073/pnas.80.17.5350
Published
1983-09-00
Pages
5350-4
Language
English
Region
United States
NLM ID
7505876
PMCID
PMC384253
External Links
PubMed source DOI: 10.1073/pnas.80.17.5350 PMC Full Text View journal details
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