Dergiler / Communications/ Faculty of Sciences University of Ankara Series C: Biology and Geological Engineering and Geophysical Engineering / 2003 / Cilt: 20 - Sayı: 1

Characterization of virulent bacteriophages of Streptococcus salivarus subsp. Thermophilus and Lactobacillus delbrueckıı subsp. Bulgaricus

Characterization of virulent bacteriophages of Streptococcus salivarus subsp. Thermophilus and Lactobacillus delbrueckıı subsp. Bulgaricus

Ç. TÜKEL, M. AKÇELİK, H. B. HALKMAN, N. TUNAİL

Sayfa
1–14
DOI
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Abstract

The genomes of 23 Streptococcus salivarus subsp. thermophilus bacteriophages and 24 Lactobacillus delbrueckii subsp. bulgaricus bacteriophages were characterized by restriction endonuclease patterns and host range specificities. Bacteriophage genome sizes ranged from 21.0-72.2 kb. Four closely related bacteriophage group were designed according to the similarity in EcoRI fragments obtained from each bacteriophage DNA. Host range determination tests of bacteriophages indicated that Lactobacillus delbrueckii subsp. bulgaricus bacteriophages had highly species specific host-range character.