pUCL287 plasmid from Tetragenococcus halophila (Pediococcus halophilus) ATCC 33315 represents a new theta-type replicon family of lactic acid bacteria

  • Benachour A
  • Frère J
  • Novel G
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Abstract

A cryptic plasmid, pUCL287, was isolated from Tetragenococcus halophila (Pediococcus halophilus) ATCC 33315. It had a theta-type mechanism of replication in its natural host. Its minimal replicon, Rep281, was isolated on a 1.6-kb EcoRI fragment. The Rep287 host range included the genera Pediococcus, Enterococcus, Lactobacillus and Leuconostoc but not genus Lactococcus. Plasmids hybridizing to pUCL287 are rare among lactic acid bacteria. As assessed by hybridization, Rep2Sl is dissimilar to pAMβ1, pIP50l and pUCL22, representatives of the most common theta-type replicon groups in Gram-positive bacteria. Therefore, pUCL287 appears to represent a new theta-type replicon family from lactic acid bacteria. © 1995.

Author-supplied keywords

  • Pediococcus
  • Plasmid
  • Tetragenococcus
  • Theta replication

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Authors

  • Abdellah Benachour

  • Jacques Frère

  • Georges Novel

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