DNA Base Composition of Rickettsiae

descriptionPublicationkeyboard_double_arrow_right Article 27 Apr 1973 English Publisher:American Association for the Advancement of Science (AAAS)Journal:Science, volume 180, pages 415-417 (issn: 0036-8075, eissn: 1095-9203,

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Authors: F J, Tyeryar; E, Weiss; D B, Millar; F M, Bozeman; R A, Ormsbee;

doi: 10.1126/science.180.4084.415

pmid: 4633692

DNA Base Composition of Rickettsiae

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Abstract

There is a small but distinct difference in DNA base composition between the typhus and spotted fever groups of rickettsiae. The molar percentages of guanine plus cytosine for Rickettsia prowazeki , R. typhi , and R. canada are approximately 30, for R. rickettsi , R. conori , and R. akari they are about 32.5. The percentage for trench fever rickettsia, Rochalimaea quintana , is 38.6.

Related Organizations

National Institutes of Health
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National Institute of Allergy and Infectious Diseases
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Naval Medical Research Center
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Walter Reed Army Institute of Research
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Keywords

DNA, Bacterial, Nucleotides, Rickettsia rickettsii, Chick Embryo, Cytosine Nucleotides, Guanine Nucleotides, Species Specificity, Centrifugation, Density Gradient, Animals, Pasteurella, Rickettsia, Rickettsia prowazekii, Rickettsia typhi, Bacillus subtilis

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