Publication details
Searching for Genes of Lactococcus lactis subsp lactis Encoding the Bacteriocin Nisin using DNA/DNA Hybridisation
| Authors | |
|---|---|
| Year of publication | 2009 |
| Type | Article in Periodical |
| Magazine / Source | CZECH JOURNAL OF FOOD SCIENCES |
| MU Faculty or unit | |
| Citation | |
| Field | Genetics and molecular biology |
| Keywords | Lactococcus lactis subsp lactis; screening; nisin; gene; PCR probe; DNA/DNA hybridisation |
| Description | In this work, PCR primers P8 and P9 were used for amplification of a 320 bp long PCR product specific to the nisin gene. The PCR product was labelled with digoxigenine during amplification and used as a DNA probe for the screening of homologous DNA sequences in 7 Lactococcus lactis subsp. lactis strains from the Culture Collection of Dairy Microorganisms (CCDM). Dot blot hybridisation and hybridisation of colonies were used for DNA/DNA hybridisation. It was shown that 6 tested strains of Lactococcus lactis subsp. lactis have genes encoding nisin. One strain had probably a defective gene encoding nisin. |
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