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Article

Comparison of the small 16S to 23S intergenic spacer region (ISR) of the rRNA operons of some Escherichia coli strains of the ECOR collection and E. coli K-12.

Journal of bacteriology - 1 Nov 1996

García-Martínez J, Martínez-Murcia A, Antón A I, Rodríguez-Valera F

Abstract excerpt

Several 16S to 23S spacers of 354 bp have been sequenced from six Escherichia coli strains belonging to the ECOR collection. Four phylogenetically informative variable sites were identified. The results of their comparison confirm the existence of two major phylogenetic branches in this species, as previously reported. Remarkable intercistronic heterogeneity was found in strain ECOR35 and its closest relatives,...

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Identifiers

PMID: 8892845
DOI: 10.1128/jb.178.21.6374-6377.1996
PMCID: PMC178516

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