Science · 1973 · 67 citations · 22 references
Life SciencesMicrobiologyMolecular BiologyComparative GenomicsMedical MicrobiologyMicrobial GeneticsDna ChemistryRickettsial DiseasesDna Base PairingSpotted Fever Group RickettsiosesTick-borne RickettsiosesTrench FeverTyphus Group Rickettsioses
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.
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