Randomly-amplified microsatellite polymorphism for preliminary typing of lactic acid bacteria from Bryndza cheese
2010
Chebenova, V.,Vyskumny Ustav Potravinarsky, Bratislava (Slovak Republic) | Berta, G.,Vyskumny Ustav Potravinarsky, Bratislava (Slovak Republic) | Kuchta, T.,Vyskumny Ustav Potravinarsky, Bratislava (Slovak Republic) | Brezna, B.,Vyskumny Ustav Potravinarsky, Bratislava (Slovak Republic) | Pangallo, D.,Slovenska Akademia Vied, Nitra (Slovak Republic). Ustav Molekularnej Biologie
A high-throughput, medium-discrimination method for preliminary typing and selecting non-identical isolates of lactic acid bacteria in cheeses was developed. RAMP, a PCR with one microsatellite-targeted and one random primer, was used for preliminary typing of 1,119 isolates of lactic acid bacteria from Slovak Bryndza cheese. A total of 59 genotypes were identified based on RAMP profiles consisting of 12-23 DNA fragments of 150-3000 bp. For example, 18, 17, 13 and 7 different RAMP-types were identified in Lactobacillus brevis, L. plantarum, L. paracasei and L. fermentum, respectively. The method facilitated well reproducible, medium-discrimination typing of Lactobacillus spp. and Pediococcus spp. at a subspecies level and proved to be suitable for preliminary typing of lactic acid bacteria isolated from cheese.
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