Phage defence loci of Streptococcus thermophilus—tip of the anti-phage iceberg?

Abstract excerpt

Bacteria possess (bacterio)phage defence systems to ensure their survival. The thermophilic lactic acid bacterium, Streptococcus thermophilus, which is used in dairy fermentations, harbours multiple CRISPR-Cas and restriction and modification (R/M) systems to protect itself against phage attack, with limited reports on other types of phage-resistance. Here, we describe the systematic identification and functional...

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