bacteriocin


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Related to bacteriocin: bacteriophage, Nisin

bacteriocin

(bak-tēr-ē-ō'sin),
A protein toxin produced and released by bacteria to inhibit the growth of similar bacteria.
Farlex Partner Medical Dictionary © Farlex 2012

bacteriocin

(băk-tîr′ē-ə-sĭn′)
n.
An antibacterial substance, such as colicin, that is produced by certain bacteria and kills or inhibits the growth of closely related species or other strains within the same species.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

bacteriocin

a PROTEIN TOXIN produced by BACTERIA, that is lethal to other bacteria, which are generally strains closely related to the producer ORGANISM. The producer may be immune to the bacteriocin.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
Lactobacillussalivarius: Bacteriocin and probiotic activity.
An objective of present study was the screening and identification of bacteriocin producing LAB from meat samples and to examine antibacterial activity of isolated bacteria (Lewus et al., 1991).
Antilisterial activity has been described for Enterococcus spp., which may synthesize several antimicrobial substances, such as organic acids, hydrogen peroxide, carbon dioxide, diacetyl, acetaldehyde and bacteriocins, called enterocins (Naidu et al., 1999).
Peptone yeast beef medium (PYB in g/L: 10 g peptone, 5 g yeast extract and 3 g beef extract) was used as a bacteriocin core production medium.
In the present study, isolate (Lactobacillus casei MRTL3) possessing simultaneous bacteriocin and biosurfactant-producing ability was identified and characterized.
However, using cell-free supernatants treated with catalase to eliminate the possible presence of hydrogen peroxide and neutralized, no strain produced bacteriocin and, consequently, no strain was able to inhibit E.
aeruginosa isolates for antibiotic sensitivity, nanoparticle sensitivity and susceptibility to Lactobacillus bacteriocins in culture supernates.
The strain Enterococcus faecium T136 produces two bacteriocins: enterocin A, a member of the pediocin family of bacteriocins, and a relatively new bacteriocin called enterocin B.