Aspartate decarboxylation of lactic acid bacteria
نویسندگان
چکیده
منابع مشابه
Antimicrobial Effect of Lactic Acid Bacteria against Common Pathogenic Bacteria
Abstract Background and Objective: Probiotics are living microorganisms that have beneficial effects on the health of digestive system. The aim of this study was to evaluate the antimicrobial ability of acidic and neutral supernatants (culture supernatant) of lactic acid bacteria against common bacterial pathogens. Meth...
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Tetragenococcus halophila D10 decarboxylates aspartate to alanine, but T. halophila D10 derivatives generated by a curing treatment could not (Asd(-) derivatives). We observed by electrophoresis three plasmid bands in T. halophila D10; all Asd(-) derivatives lost the largest of these bands. This plasmid, pD1, has two SalI sites. We cloned and sequenced the 10 kb SalI fragment. The DNA sequence ...
متن کاملEvidence of two functionally distinct ornithine decarboxylation systems in lactic acid bacteria.
Biogenic amines are low-molecular-weight organic bases whose presence in food can result in health problems. The biosynthesis of biogenic amines in fermented foods mostly proceeds through amino acid decarboxylation carried out by lactic acid bacteria (LAB), but not all systems leading to biogenic amine production by LAB have been thoroughly characterized. Here, putative ornithine decarboxylatio...
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Seven strains of Lactobacillus isolated from malt whisky fermentations and representing Lactobacillus brevis, L. crispatus, L. fermentum, L. hilgardii, L. paracasei, L. pentosus, and L. plantarum contained genes for hydroxycinnamic acid (p-coumaric acid) decarboxylase. With the exception of L. hilgardii, these bacteria decarboxylated p-coumaric acid and/or ferulic acid, with the production of 4...
متن کاملLactic Acid Bacteria
Lactic acid bacteria comprise an ecologically diverse group of microorganisms united by formation of lactic acid as the primary metabolite of sugar metabolism (Davis et al., 1985b; 1988; Lonvaud-Funel, 1999; Carr et al., 2002; Liu, 2002). These bacteria utilize sugars by either homoor heterofermentative pathways (Section 2.4.1) as well as l-malic acid, a major acid present in grape must (Sectio...
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ژورنال
عنوان ژورنال: Japanese Journal of Lactic Acid Bacteria
سال: 2001
ISSN: 1343-327X
DOI: 10.4109/jslab1997.12.14