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Appl Environ Microbiol. 1969 December; 18(6): 1044-1049
Copyright © 1969 American Society for Microbiology. All Rights Reserved.

Numerical Taxonomy of Heterotrophic Bacteria Growing in Association with Continuous-Culture Chlorella sorokiniana

Department of Biochemistry and Biophysics, Texas A & M University, College Station, Texas 77843
Department of Biology, Georgetown University, Washington, D.C. 20007

ABSTRACT

Twenty-nine cultures isolated from nonaxenic growths of Chlorella sorokiniana (Shihira and Krauss) and eight reference cultures were tested for 150 morphological and biochemical characteristics. The taxonomic data were subjected to computer analysis from which five major clusters were identified. The bacterial isolates have been placed in the genera: Pseudomonas, Acinetobacter, Flavobacterium, and Bacillus. Amino acid requirements of four strains from the test set were determined.

¹ Present Address: University College of North Wales, Bangor Marine Science Laboratories, Menai Bridge, Anglesey, Great Britain.