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Volume 128, Issue 9

A Numerical Taxonomic Study of the Genus Free

Abstract

One hundred and two strains representing the four species of the genus and sixty-four strains representing fourteen other genera of the family Enterobacteriaceae were tested for 192 characters based on their morphology, biochemistry and physiology. The data were subjected to a number of numerical analyses. The results (confirmed by the use of overlap statistics) showed that four phenons can be distinguished within the genus . These correspond with the species and .

Of the other bacteria studied the Alkalescens-Dispar group was most closely related to the genus and the need for this group to be studied further is noted. The importance of using computer-based matrices for the routine identification of strains of and other enterobacteria is discussed.

Strains of the genus clustered separately from the shigellae. Three distinct species were evident within this genus: and a new species. The latter can be equated with the ‘BG3’ group in the DNA-DNA hybridization studies of Brenner (1978) .

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© Society for General Microbiology 1982
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1982-09-01
2025-03-25
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A Numerical Taxonomic Study of the Genus Shigella
Microbiology 128, 1933 (1982); https://doi.org/10.1099/00221287-128-9-1933
/content/journal/micro/10.1099/00221287-128-9-1933
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