Microbial Determinations by Flow Cytometry (original) (raw)

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Abstract

Summary: Recent improvements in the optics and electronics of flow cytometry systems, as well as in staining techniques, permit the assay of such minute cellular constituents as the DNA and protein contents of micro-organisms. To assess the usefulness of this technique, DNA and protein content distributions were determined in Escherichia coli, Lactobacillus brevis, Lactobacillus casei, Chlorella kessleri 8k, Saccharomyces cerevisiae, Candida utilis, Schizosaccharomyces pombe and Euglena gracilis.Investigations of the DNA content distributions of polyploid strains of Saccharomyces cerevisiae indicated that the method can be used to determine ploidy. The rapidity of flow cytometry measurements allows accurate determinations in large populations.

• Received: 16/10/1978
• Accepted:03/01/1979
• Published Online:01/08/1979

© Society for General Microbiology, 1979

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1979-08-01

2024-10-22

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