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PMID: 16659109 Published · ppublish English Journal Article

The Relationship between Satellite Deoxyribonucleic Acid, Ribosomal Ribonucleic Acid Gene Redundancy, and Genome Size in Plants.

Plant physiology ·Vol. 55 ·No. 3 ·1975-03-00 ·Pages 496-501

Ingle J, Timmis JN, Sinclair J

Abstract

The buoyant density of ribosomal DNA is similar in species with or without satellite DNA, and in all species examined was distinguishable from that of the satellite DNA. In melon tissues (Cucumus melo) the percentage satellite DNA is not correlated with the percentage hybridization to ribosomal RNA. Satellite DNA sequences do not appear to be dispersed between those coding for ribosomal RNA. There is no correlation between the presence of satellite DNA and high ribosomal RNA gene redundancy, but there is a correlation between satellite DNA and small genome size, which results in a correlation between satellite DNA and a high percentage hybridization to ribosomal RNA. Satellite DNAs are defined as minor components after CsCI centrifugation.

Authors & Affiliations
3 authors, click to expand affiliations / ORCID
Ingle J
Department of Botany, Edinburgh University, Edinburgh, Scotland.
Timmis J N
Sinclair J
References (11)
11 references, click to expand
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Article Info
Journal
Plant physiology
Abbr.
Plant Physiol
ISSN
0032-0889
DOI
10.1104/pp.55.3.496
Published
1975-03-00
Pages
496-501
Language
English
Region
United States
NLM ID
0401224
PMCID
PMC541645
External Links
PubMed source DOI: 10.1104/pp.55.3.496 PMC Full Text View journal details
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