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Res Microbiol. 1991 Jan;142(1):67-74.

Intrageneric relationships of Enterococci as determined by reverse transcriptase sequencing of small-subunit rRNA.

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Department of Microbiology, AFRC Institute of Food Research, Shinfield, Reading, UK.


The 16S ribosomal ribonucleic acid (rRNA) sequences of eleven Enterococcus species were determined by reverse transcription in an attempt to clarify their intrageneric relationships. Comparative analysis of the sequence data revealed the presence of several species groups within the genus. The species E. avium, E. malodoratus, E. pseudoavium and E. raffinosus formed a distinct group as did E. durans, E. faecium, E. hirae and E. mundtii and the pair of species E. casseliflavus and E. gallinarum. Of the remaining species, E. cecorum, E. columbae, E. faecalis and E. saccharolyticus formed distinct lines of descent within the genus, whereas E. solitarius displayed a closer affinity with Tetragenococcus halophilus than with other enterococcal species.

[Indexed for MEDLINE]

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