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PMID: 1132286 Published · ppublish English Comparative Study Journal Article

Differential replication of satellite DNA in polyploid tissues of Drosophila virilis.

Chromosoma ·Vol. 50 ·No. 2 ·1975-00-00 ·Pages 175-9

Endow SA, Gall JG

Abstract

Satellite DNA amounts were examined in adult tissues of Drosophila virilis, a species whose DNA contains three prominent satellites. Satellite amounts in DNA from six of the seven tissues were lower than in DNA from diploid (adult brain) tissue. Satellite amounts in adult ovary DNA, however, were equivalent to or greater than diploid levels. When DNA from pupal ovaries was examined, a 30% increase in satellite amounts over diploid levels was found. An RNA-DNA hybridization experiment showed that the ribosomal RNA genes in pupal ovary DNA were under-replicated relative to diploid DNA levels.

MeSH Terms
Animals Brain/cytology Centrifugation, Density Gradient DNA/analysis DNA Replication Diploidy Drosophila/cytology,growth & development Female Nucleic Acid Hybridization Ovary/cytology Polyploidy Pupa Spectrophotometry
Chemicals
DNA
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Endow S A
Gall J G
References (23)
23 references, click to expand
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Article Info
Journal
Chromosoma
Abbr.
Chromosoma
ISSN
0009-5915
DOI
10.1007/BF00283238
Published
1975-00-00
Pages
175-9
Language
English
Region
Austria
NLM ID
2985138R
Subset
IM
External Links
PubMed source DOI: 10.1007/BF00283238 View journal details
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