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Plasmid. 2002 Jul;48(1):73-6.

Chromosomal sequences from Klebsiella pneumoniae flank the SHV-5 extended-spectrum beta-lactamase gene in pACM1.

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Department of Pathology and Laboratory Medicine, Albany Medical Center Hospital, MC-22, 43 New Scotland Ave., Albany, NY 12208, USA.


The nucleotide sequence was determined for Anon 13, a 1250-bp SmaI fragment located approximately 2.8 kb downstream from bla(SHV-5) in pACM1. Anon 13 is 99% identical to a segment of the unpublished sequence of the Klebsiella pneumoniae chromosome. Genes of the K. pneumoniae sequence are undefined, but conceptual amino acid translations of two ORFs in Anon 13 are homologous to L-fuculose-1-phosphate aldolase (FucA) and a conserved hypothetical protein present in the chromosomes of several species of bacteria. In addition, restriction mapping indicates that the region of homology between the K. pneumoniae chromosome and pACM1 is as least 7.9 kb and includes both Anon 13 and bla(SHV). These observations demonstrate the chromosomal origin of the bla(SHV-5) on pACM1.

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