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  • Title: Application of the SNaPshot minisequencing assay to species identification in the Lactobacillus casei group.
    Author: Huang CH, Chang MT, Huang MC, Lee FL.
    Journal: Mol Cell Probes; 2011 Aug; 25(4):153-7. PubMed ID: 21440058.
    Abstract:
    This study used group-specific PCR combined with SNaPshot minisequencing for species identification within the Lactobacillus casei group. The L. casei group-specific PCR primer pair was designed using the rpoA gene sequence. A SNaPshot minisequencing assay using dnaK as a target gene was developed, and five SNP primers were designed by analysing the conserved regions of the dnaK sequences. The specificity of the minisequencing assay was evaluated using 63 strains of L. casei group species. The results showed that the group-specific PCR could assign Lactobacillus strains into the L. casei group, and the SNaPshot minisequencing assay was able to unambiguously and simultaneously discriminate strains belonging to the species L. casei, Lactobacillus paracasei, and Lactobacillus rhamnosus. In conclusion, we have successfully developed a rapid, accurate and cost-effective assay for species identification of members of the L. casei group.
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