Enhancement of antibiotic activity by sub-lethal concentrations of enterocin CRL35

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Enhancement of antibiotic activity by sub-lethal concentrations of enterocin CRL35.

OBJECTIVE The aim of this study was to evaluate the interaction of several conventional antibiotics with sub-lethal concentrations of enterocin CRL35, a cationic peptide, on Listeria innocua 7. METHODS Susceptibility of L. innocua 7 cells to the combination of enterocin CRL35 and non-peptide antibiotics (cefalexin, ampicillin, ciprofloxacin, nalidixic acid, erythromycin, chloramphenicol, vanc...

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Short peptides derived from the NH2-terminus of subclass IIa bacteriocin enterocin CRL35 show antimicrobial activity.

OBJECTIVES Subclass IIa bacteriocins are characterized by a hydrophilic N-terminal domain that shares a YGNGVxCxxxxC consensus and a variable hydrophobic C-terminus. Enterocin CRL35 is a 43-amino-acid heat stable peptide with antilisterial activity. Short synthetic peptides derived from the N-terminal half of enterocin CRL35 and other subclass IIa bacteriocins were evaluated for antimicrobial p...

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Histopathological Changes of Zebrafish (Danio rerio) Ovaries Exposed to Sub-lethal Concentrations of Methyl Paraben

Paraben compounds are used widely as preservatives to inhibit microbial growth and extend used in pharmaceuticals, hygienic, cosmetics, care products. They pose the potential for reproductive toxicity for users. This paper provides an overview of the applications of histopathological biomarkers in reproductive toxicity in zebrafish caused by methylparaben. The present study investigated the cha...

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Vibrio cholerae Exploits Sub-Lethal Concentrations of a Competitor-Produced Antibiotic to Avoid Toxic Interactions

Vibrio cholerae is a human pathogenic marine bacterium inhabiting coastal regions and is vectored into human food and water supplies via attachment to particles including detritus, phytoplankton, and zooplankton. Particle colonization by the pathogen is inhibited by an antagonistic interaction with the particle-associated Vibrionales bacterium SWAT3, a producer of the antibiotic andrimid. By an...

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effect of sub-lethal diazinon concentrations on blood plasma biochemistryl

diazinon is commonly used for pest control in the agricultural fields surrounding freshwater reservoirs. this study was conducted to determine the chronic toxicity of organophosphorous pesticide and its effects on some hematological parameters and biochemical blood plasma profiles of common carp, cyprinus carpio. diazinon was applied at concentrations of 60 and 120î¼g/l preparations in 10, 20 a...

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ژورنال

عنوان ژورنال: Journal of Antimicrobial Chemotherapy

سال: 2004

ISSN: 1460-2091

DOI: 10.1093/jac/dkh079