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Microbiology. 2003 Jan;149(Pt 1):1-7.

Prokaryote taxonomy of the 20th century and the impact of studies on the genus Pseudomonas: a personal view.

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Department of Biochemistry and Microbiology, Rutgers University Cook College, New Brunswick, NJ 08901, USA.


The taxonomic studies on the genus Pseudomonas performed in the Department of Bacteriology of the University of California at Berkeley played a significant rĂ´le in the development of modern prokaryote taxonomy, which started in the 1960s. This impact was due to a revival of the method of den Dooren de Jong for the nutritional analysis of chemoorganotrophic organisms and, mostly, to the introduction of the determination of rRNA as a method of taxonomic analysis. While the introduction of the nutritional studies facilitated the characterization of Pseudomonas and other chemoorganotrophs, the applicability of the rRNA studies extended to all prokaryotes.

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