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With the increase of antimicrobial resistances due to the widespread use of antibiotics, the search of new probiotics to control aquaculture diseases has a growing public interest. The aim of this study was to isolate bacteria with antimicrobial effect from the gut of marine healthy fishes and select lactic acid bacteria (LAB) as potential probiotics, being strains considered as generally regarded as safe (GRAS) by the European Food Safety Agency (EFSA). Of a total of 45 Gram-positive strains with antimicrobial activity found in a screening of the gut microbiota of 13 marine fishes, nine were identified as LAB by 16S rRNA gene sequencing. LAB strains (five Lactococcus lactis subsp. lactis, two Enterococcus spp., one Lactobacillus plantarum, and one Leuconostoc mesenteroides subsp. mesenteroides) also showed a broad-spectrum antibacterial activity against aquaculture pathogens such as Vibrio harveyi, V. splendidus, and Photobacterium damselae and survived in experimental gastrointestinal conditions when grown in culture media modified with different values of pH and bile salts. These results showed the potential of LAB obtained from the indigenous microbiota of wild marine fishes for use as probiotics in aquaculture.
This article was published in the following journal.
Name: Probiotics and antimicrobial proteins
This paper describes taxonomic position, phylogeny, and phenotypic properties of 14 lactic acid bacteria (LAB) originating from an Apis mellifera guts. Based on the 16S rDNA and recA gene sequence ana...
Probiotics are live microorganisms which confer health benefits to the host, and may be isolated from several sources, such as vegetable foodstuffs. Sauerkraut is a cabbage product resulting from ferm...
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Primary Objective: To demonstrate the absence of photo irritation and photosensitization potential of the product Dermacyd Infantile (Lactic Acid).
To demonstrate the absence of photoirritation and photosensitization potential of the product Dermacyd Breeze (Lactic Acid) Pocket BR.
To demonstrate the absence of photoirritation and photosensitization potential of the product Dermacyd Femina (Lactic Acid) Pocket BR.
Primary: Evaluate the degree of correction attainable with Poly-L-Lactic Acid(Sculptra) for the correction of hill and valley acne scarring Secondary: Document types and inc...
A species of gram-positive, rod-shaped LACTIC ACID bacteria that is frequently used as starter culture in SILAGE fermentation, sourdough, and lactic-acid-fermented types of beer and wine.
A genus of gram-positive, asporogenous, lactic acid bacteria, in the family LEUCONOSTOCACEAE.
A species of rod-shaped, LACTIC ACID bacteria used in PROBIOTICS and SILAGE production.
A family of gram-positive lactic acid-producing bacteria in the order LACTOBACILLALES.
A family of gram-positive bacteria in the order LACTOBACILLALES. Lactic acid is the main product of their carbohydrate metabolism.
Food safety is a scientific discipline describing handling, preparation, and storage of food in ways that prevent foodborne illness. This includes a number of routines that should be followed to avoid potentially severe health hazards. The five key pri...
Bioinformatics is the application of computer software and hardware to the management of biological data to create useful information. Computers are used to gather, store, analyze and integrate biological and genetic information which can then be applied...
DNA sequencing is the process of determining the precise order of nucleotides within a DNA molecule. During DNA sequencing, the bases of a small fragment of DNA are sequentially identified from signals emitted as each fragment is re-synthesized from a ...