Mycobacterium tuberculosis complex CRISPR genotyping: improving efficiency, throughput and discriminative power of 'spoligotyping' with new spacers and a microbead-based hybridization assay.

Abstract excerpt

The aims of the present study were to implement a microbead-based 'spoligotyping' technique and to evaluate improvements by the addition of a panel of 25 extra spacers that we expected to provide an increased resolution on principal genetic group 1 (PGG 1) strains. We confirmed the high sensitivity and reproducibility of the classical technique using the 43 spacer panel and we obtained perfect agreement between...

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