TABLE 1.

Bacterial strains and bacteriophages used in this study

Strain or phageDescriptionReference or source
L. delbrueckii subsp. lactis
    ATCC 15808Host strain for the phages LL-H, JCL1032, and mv4ATCCa
    Ads-5LL-H-resistant mutant of ATCC 15808; blocks phage LLH adsorption; host strain for the phage LL-H-a21This laboratory (23)
Bacteriophage (Siphoviridae)
    LL-HSmall isometric-headed phage of L. delbrueckii subsp. lactis, virulentValio, Hauho, Finland (1, 16)
    LL-H-a21Spontaneous phage LL-H host range mutant isolated from Ads-5This laboratory (23)
    JCL1032Small prolate-headed phage of L. delbrueckii subsp. lactisThis laboratory (17)
    mv4Small isometric-headed phage of L. delbrueckii subsp. bulgaricus, temperate 21
  • a ATCC, American Type Culture Collection.