Ribosomal RNA homologies among distantly related organisms.

Proceedings of the National Academy of Sciences of the United States of America ·Vol. 65 ·No. 2 ·1970-02-00 ·Pages 349-56

Bendich AJ, McCarthy BJ

Abstract

The similarity in base sequences of ribosomal RNA (rRNA) in widely divergent organisms was compared. Hybrids were prepared between Escherichia coli and pea rRNA on the one hand and the DNA of several organisms on the other. The varying thermal stabilities of these hybrids were taken as evidence for a hierarchy of rRNA relatedness among some higher plants, and for phylogenetic relationships among some species of bacteria, protozoa, fungi, plants, and animals. The large rRNA molecule appears to have evolved faster than the small rRNA molecule.

MeSH Terms

Animals Bacillus subtilis Biological Evolution Coliphages DNA DNA, Bacterial DNA, Viral Echinodermata Edible Grain Escherichia coli Euglena Guinea Pigs Hybridization, Genetic Mice Mollusca Plants RNA/analysis RNA, Bacterial/analysis RNA, Viral/analysis Ribosomes Saccharomyces Tetrahymena Triticum Vegetables

Chemicals

DNA, Bacterial DNA, Viral RNA, Bacterial RNA, Viral RNA DNA

Authors & Affiliations

2 authors, click to expand affiliations / ORCID

Bendich A J

McCarthy B J

References (29)

29 references, click to expand

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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.65.2.349

Published

1970-02-00

Pages

349-56

Language

English

Region

United States

NLM ID

7505876

PMCID

PMC282909

Subset

External Links

PubMed source DOI: 10.1073/pnas.65.2.349 PMC Full Text View journal details

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