Lactobacillus plantarum CNRZ 1228 exhibited heme-dependent catalase activity under environmental conditions similar to those encountered during sausage fermentation. The 1,455-bp catalase gene (katL) was cloned and encoded a protein of 484 amino acids. Expression of katL in a heterologous host showed that katL encodes a functional catalase. PCR screening of selected strains of lactic acid bacteria for katL indicated the presence of similar genes in other strains of lactobacilli.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC321233 | PMC |
| http://dx.doi.org/10.1128/AEM.70.1.603-606.2004 | DOI Listing |
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