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Lactococcus lactis DPC5598, a plasmid-free derivative of a commercial starter, provides a valuable alternative host for culture improvement studies.

Journal of applied microbiology - 1 Jan 2002

Trotter M, Ross R P, Fitzgerald G F, Coffey A

Abstract excerpt

AIMS: To generate a plasmid-free derivative of an extensively used industrial starter strain Lactococcus lactis DPC4268, which could be used as a backbone strain for starter improvement programmes. METHODS AND RESULTS: DPC4268 containing four large plasmids was subjected to high temperature plasmid curing resulting in derivatives, each with a different plasmid complement of one, two or three different plasmids in...

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PMID: 12067382
DOI: 10.1046/j.1365-2672.2002.01669.x

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