Deoxyribonucleic acid base composition and taxonomy of some protozoa

Carl L. Schildkraut, M. Mandel, S. Levisohn, J. E. Smith-Sonneborn, J. Marmur

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

THE characteristics by which organisms are recognized are the expressions of the information contained in their nucleic acids. As such, a knowledge of their DNA base composition, or if possible the base sequences of some organisms, should be a valuable asset in their classification. Lee, Wahl and Barbu1were the first to recognize the taxonomic importance of analysing the average DNA base compositions of micro-organisms. While the overall base compositions of some unrelated organisms may be the same, this equivalence would appear to be a minimum requirement for extensive base sequence homologies2and genetic compatibility (except in certain cases of F-duction3). Thus, similar DNA base compositions in two organisms might indicate close relationships whereas dissimilar base compositions would indicate that the organisms are unrelated.

Original languageEnglish (US)
Pages (from-to)795-796
Number of pages2
JournalNature
Volume196
Issue number4856
DOIs
StatePublished - 1962
Externally publishedYes

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Base Composition
DNA
Nucleic Acids

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Schildkraut, C. L., Mandel, M., Levisohn, S., Smith-Sonneborn, J. E., & Marmur, J. (1962). Deoxyribonucleic acid base composition and taxonomy of some protozoa. Nature, 196(4856), 795-796. https://doi.org/10.1038/196795a0

Deoxyribonucleic acid base composition and taxonomy of some protozoa. / Schildkraut, Carl L.; Mandel, M.; Levisohn, S.; Smith-Sonneborn, J. E.; Marmur, J.

In: Nature, Vol. 196, No. 4856, 1962, p. 795-796.

Research output: Contribution to journalArticle

Schildkraut, CL, Mandel, M, Levisohn, S, Smith-Sonneborn, JE & Marmur, J 1962, 'Deoxyribonucleic acid base composition and taxonomy of some protozoa', Nature, vol. 196, no. 4856, pp. 795-796. https://doi.org/10.1038/196795a0
Schildkraut CL, Mandel M, Levisohn S, Smith-Sonneborn JE, Marmur J. Deoxyribonucleic acid base composition and taxonomy of some protozoa. Nature. 1962;196(4856):795-796. https://doi.org/10.1038/196795a0
Schildkraut, Carl L. ; Mandel, M. ; Levisohn, S. ; Smith-Sonneborn, J. E. ; Marmur, J. / Deoxyribonucleic acid base composition and taxonomy of some protozoa. In: Nature. 1962 ; Vol. 196, No. 4856. pp. 795-796.
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