ISSN: 0973-7510

E-ISSN: 2581-690X

Research Article | Open Access
K.P. Jumaila1 , A. Vijaya Chitra2 and Vajid Nettoor Veettil3
1Department of Microbiology, Sree Narayana Guru College, Coimbatore, Tamil Nadu, India.
2Department of Microbiology, Sri Ramakrishna College of Arts and Science for Women, Coimbatore, Tamil Nadu, India.
3IQRAA Centre for Research and Development, IQRAA International Hospital and Research Centre, Kozhikode, Kerala, India.
Article Number: 9348 | © The Author(s). 2024
J Pure Appl Microbiol. 2024;18(3):1752-1767. https://doi.org/10.22207/JPAM.18.3.24
Received: 05 March 2024 | Accepted: 15 June 2024 | Published online: 05 August 2024
Issue online: September 2024
Abstract

This study aims to present knowledge on therapeutic potential bacteriocin producing bacterial strains. Samples (n=35) from diverse Ernakulam sources yielded 26 lactic acid bacteria (LAB) isolates on De Man Rogosa Sharpe (MRS) medium. Among the isolates potent antimicrobial activity observed against known pathogens in one of the isolates from goat milk sample number 3, labelled as GO3. Microscopic and biochemical test revealed the isolate is Gram-positive rod, non-sporulating and resilience to pH and bile salts, with adaptability to gastric enzymes and surfactants. Genetic and physiological traits of the positive strains were confirmd by 16S rRNA technique. Blast analysis revealed that sequence of the strain GO3 from goat milk identified as Lactobacillus casei, exhibited antibiotic sensitivity, auto-aggregation, co-aggregation, and antibiofilm assays highlighted inhibitory properties as a promising therapeutic potential probiotic bacterium. LAB isolates can be further investigated at the genetic level to enhance their probiotic characteristics such as resistance and cellular adhesion. Additionally, the identification of gene responsible for expressing bacteriocins can be conducted on these isolates.

Keywords

Bacteriocin, Lactic Acid Bacteria (LAB), Probiotics, Antimicrobial Activity, Therapeutic Potential

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© The Author(s) 2024. Open Access. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License which permits unrestricted use, sharing, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.