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A Newly Discovered Bordetella Species Carries A Transcriptionally Active Crispr-Cas With A Small Cas9 Endonuclease, Yury V. Ivanov, Nikki Shariat, Karen B. Register, Bodo Linz, Israel Rivera, Kai Hu, Edward G. Dudley, Eric T. Harvill
A Newly Discovered Bordetella Species Carries A Transcriptionally Active Crispr-Cas With A Small Cas9 Endonuclease, Yury V. Ivanov, Nikki Shariat, Karen B. Register, Bodo Linz, Israel Rivera, Kai Hu, Edward G. Dudley, Eric T. Harvill
Biology Faculty Publications
Background
Clustered regularly interspaced short palindromic repeats (CRISPR) and CRISPR-associated genes (cas) are widely distributed among bacteria. These systems provide adaptive immunity against mobile genetic elements specified by the spacer sequences stored within the CRISPR.
Methods
The CRISPR-Cas system has been identified using Basic Local Alignment Search Tool (BLAST) against other sequenced and annotated genomes and confirmed via CRISPRfinder program. Using Polymerase Chain Reactions (PCR) and Sanger DNA sequencing, we discovered CRISPRs in additional bacterial isolates of the same species of Bordetella. Transcriptional activity and processing of the CRISPR have been assessed via RT-PCR.
Results
Here we …