2004
DOI: 10.1128/aem.70.1.603-606.2004
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Cloning and Heterologous Expression of Hematin-Dependent Catalase Produced by Lactobacillus plantarum CNRZ 1228

Abstract: 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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Cited by 45 publications
(35 citation statements)
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“…Since the majority of LAB are not equipped with enzymes to detoxify oxygen-derived compounds, the insertion of genes coding for antioxidant enzymes (such as catalases or SOD) in probiotic bacteria could improve their anti-inflammatory properties beyond the modulation of the local immunedependant inflammation response. Catalases of three lactobacilli have been successfully cloned and expressed in heterologous bacteria lacking catalase activity [62][63][64][65].…”
Section: Genetically Engineered Lab-antioxidant Enzyme and Il-10 Prodmentioning
confidence: 99%
“…Since the majority of LAB are not equipped with enzymes to detoxify oxygen-derived compounds, the insertion of genes coding for antioxidant enzymes (such as catalases or SOD) in probiotic bacteria could improve their anti-inflammatory properties beyond the modulation of the local immunedependant inflammation response. Catalases of three lactobacilli have been successfully cloned and expressed in heterologous bacteria lacking catalase activity [62][63][64][65].…”
Section: Genetically Engineered Lab-antioxidant Enzyme and Il-10 Prodmentioning
confidence: 99%
“…H 2 O 2 can subsequently be decomposed by the action of catalases. Although lactic acid bacteria are generally considered to be catalase-negative, catalase activity has been reported for several species, including members of the genera Lactobacillus, Pediococcus and Leuconostoc (Delwiche, 1961;Knauf et al, 1992;Abriouel et al, 2004). There are two major classes of catalases: true or haemdependent catalase, and manganese-containing catalase or pseudocatalase (Kono & Fridovich, 1983a, b).…”
Section: Introductionmentioning
confidence: 99%
“…Although heterologous catalases have been expressed in sev- (1,10,16,18), this work constitutes the first report of heterologous expression of a nonheme catalase in bacteria relevant to dairy industries, offering the advantage that no heme has to be added to the culture medium for enzyme activity. In addition, this is the first demonstration of the protection of a bacterial species from H 2 O 2 damage by the production of a heterologous catalase by its partner in mixed fermentations.…”
Section: Discussionmentioning
confidence: 99%