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Evaluation of Antibacterial Properties of Chimeric Bovine Lactoferrin Peptide for Inhibition of Food and Plant Pathogens
Author(s) -
Hamid Sarhadi,
Mohammad Hasan Jahandar,
Abbas Tanhaeian
Publication year - 2020
Publication title -
international journal of infection
Language(s) - English
Resource type - Journals
eISSN - 2383-1421
pISSN - 2383-1413
DOI - 10.5812/iji.104594
Subject(s) - microbiology and biotechnology , minimum bactericidal concentration , lactoferrin , listeria monocytogenes , antimicrobial , enterococcus faecalis , biology , erwinia , pathogenic bacteria , minimum inhibitory concentration , pseudomonas syringae , staphylococcus aureus , bacteria , pathogen , biochemistry , genetics
: The resistance of microorganisms to conventional antibiotics has prompted researchers to produce new antimicrobial compounds. Antimicrobial peptides can be alternatives to chemical antibiotics. Antimicrobial peptides are produced approximately by all living organisms to fight infection. Lactoferrin is an iron glycoprotein that plays an important role in the immune system. Lactoferricin and lactoferrampine have stronger antimicrobial activities than lactoferrin. In this study, we investigated the inhibitory effects of a combination of chimeric bovine lactoferricin and lactoferrampine on microorganisms including Escherichia coli, Staphylococcus aureus, Salmonella typhimurium, Enterococcus faecalis, and Listeria monocytogenes, as well as plant pathogens including Pseudomonas syringae pv. syringae, Pseudomonas viridiflava, Xanthomonas translucens, Xanthomonas perforans, Erwinia amylovora, Pectobacterium carotovorum, and Agrobacterium tumefaciens. The results showed that chimeric bovine lactoferrin had a good inhibitory effect against pathogenic microorganisms and plant pathogens. The minimum inhibitory concentration (MIC) and the minimum bactericidal concentration (MBC) for pathogenic microorganisms Salmonella typhimurium and Listeria monocytogenes were 7.562 µg/mL and 15.125 µg/mL, respectively, which showed the highest sensitivity to chimeric bovine lactoferrin. The MIC and MBC for plant pathogens were 0.497 µg/mL and 0.997 µg/mL, respectively, which were related to Pseudomonas syringae pv. syringae and it showed the highest sensitivity to chimeric bovine lactoferrin.

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