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International Journal of Biological Chemistry

Year: 2015 | Volume: 9 | Issue: 2 | Page No.: 46-58
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Authors

Zergui Amina

Saidi Noureddine

Arul Venkatesan

Bessaiah Hicham

Benmalek Yamina

Bouayad Leila

Kihal Mebrouk

Keywords

The aim of this study was the partial characterization of plantaricin MZ, a two-component antimicrobial peptides produced by the putative probiotic bacteria Lactobacillus plantarum DU10, which was isolated from Algerian raw camel milk. This biomolecule was secreted in the supernatant of a L. plantarum DU10 culture and showed diverse spectrum of antimicrobial activities against several pathogenic bacteria. The activity as determined by the proteolytic action of trypsin, pepsin and proteinase K, plantaricin MZ was maintained even after a treatment at 121°C for 15°C and a pH range from 2-10. This putative probiotic strain was found to produce antimicrobial substances proteinaceous in nature. Molecular mass determination was estimated with tricine-sodium dodecyl sulphate-polyacrylamide gel electrophoresis, then confirmed by mass-assisted laser desorption ionization time of flight mass spectrometry. The producing strain and its antimicrobial peptides may find an application as a bio-preservative agent.
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How to cite this article

Zergui Amina, Saidi Noureddine, Arul Venkatesan, Bessaiah Hicham, Benmalek Yamina, Bouayad Leila and Kihal Mebrouk, 2015. Purification and Molecular Characterization of Two-Antimicrobial Peptides Produced by Lactobacillus plantarum DU10. International Journal of Biological Chemistry, 9: 46-58.

URL: https://scialert.net/abstract/?doi=ijbc.2015.46.58

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