Identification of adsorption inhibition, restriction/modification and abortive infection type phage resistance systems in Lactococcus lactis strains

Çaǧla Tükel, Pinar Şanlibaba, Banu Özden, M. Akçelik

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

98 Lactococcus lactis strains were isolated from traditional fermented milk products in Turkey tested against 60 lactococcal lytic phages to determine their resistance levels. While 82 L. lactis strains were sensitive against lactic phages at different levels, 16 L. lactis strains showed resistance to all phages tested. Types of phage resistance among 16 L. lactis strains were identified as phage adsorption inhibition in eight strains, restriction/ modification in six strains and abortive infection (heat sensitive phage resistance) in two strains, using three broad-spectrum phages Φpll 98-32, Φpld 67-42 and Φpld 67-44.

Original languageEnglish
Pages (from-to)377-385
Number of pages9
JournalActa Biologica Hungarica
Volume57
Issue number3
DOIs
StatePublished - 2006

Keywords

  • Abortive infection
  • Adsorption
  • L. Lactis
  • Phage resistance
  • Restriction/modification

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