Article
Diversity, activity, and evolution of CRISPR loci in Streptococcus thermophilus.
Journal of bacteriology - 1 Feb 2008
Horvath Philippe, Romero Dennis A, Coûté-Monvoisin Anne-Claire, Richards Melissa, Deveau Hélène, Moineau Sylvain, Boyaval Patrick, Fremaux Christophe, Barrangou Rodolphe
Abstract excerpt
Clustered regularly interspaced short palindromic repeats (CRISPR) are hypervariable loci widely distributed in prokaryotes that provide acquired immunity against foreign genetic elements. Here, we characterize a novel Streptococcus thermophilus locus, CRISPR3, and experimentally demonstrate its ability to integrate novel spacers in response to bacteriophage. Also, we analyze CRISPR diversity and activity across...
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