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Bacteriocins from Lactobacillus plantarum production, genetic organization and mode of action / Bacteriocinas de Lactobacillus plantarum: produção, organização genética e modo de ação
Todorov, Svetoslav D.
  • Todorov, Svetoslav D; University of Stellenbosch. Department of Microbiology. ZA
Braz. j. microbiol ; 40(2): 209-221, Apr.-June 2009. tab
Article in English | LILACS | ID: lil-520206
ABSTRACT
Bacteriocins are biologically active proteins or protein complexes that display a bactericidal mode of action towards usually closely related species. Numerous strains of bacteriocin producing Lactobacillus plantarum have been isolated in the last two decades from different ecological niches including meat, fish, fruits, vegetables, and milk and cereal products. Several of these plantaricins have been characterized and the aminoacid sequence determined. Different aspects of the mode of action, fermentation optimization and genetic organization of the bacteriocin operon have been studied. However, numerous of bacteriocins produced by different Lactobacillus plantarum strains have not been fully characterized. In this article, a brief overview of the classification, genetics, characterization, including mode of action and production optimization for bacteriocins from Lactic Acid Bacteria in general, and where appropriate, with focus on bacteriocins produced by Lactobacillus plantarum, is presented.
RESUMO
Bacteriocinas são proteínas ou complexos protéicos biologicamente ativos que apresentam atividade bactericida contra espécies relacionadas. Nas ultimas duas décadas, várias cepas de Lactobacillus plantarum produtoras de bacteriocinas foram isoladas de diferentes nichos ecológicos como carnes, peixes, frutas, vegetais e produtos lácteos e de cereais. Várias plantaricinas foram caracterizadas e suas seqüências de aminoácidos determinadas. Diferentes aspectos do modo de ação, otimização da fermentação e organização genética já foram estudados. Entretanto, muitas bacteriocinas produzidas por diferentes cepas de Lactobacillus plantarum ainda não foram completamente caracterizadas.Nesse artigo, apresenta-se uma breve revisão sobre a classificação, genética, caracterização, modo de ação, e otimização da produção de bacteriocinas de bactérias láticas em geral, e, quando apropriado, de bacteriocinas de Lactobacillus plantarum.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Bacteriocins / Proteins / Amino Acid Sequence / Cultured Milk Products / Lactobacillus plantarum / Fermentation / Meat Products Language: English Journal: Braz. j. microbiol Journal subject: Microbiology Year: 2009 Type: Article Affiliation country: South Africa Institution/Affiliation country: University of Stellenbosch/ZA

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Full text: Available Index: LILACS (Americas) Main subject: Bacteriocins / Proteins / Amino Acid Sequence / Cultured Milk Products / Lactobacillus plantarum / Fermentation / Meat Products Language: English Journal: Braz. j. microbiol Journal subject: Microbiology Year: 2009 Type: Article Affiliation country: South Africa Institution/Affiliation country: University of Stellenbosch/ZA