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In Vitro Assessment of Probiotic Potential of an Autochthonous Bacterial Isolate, Pseudomonas mosselii COFCAU_PMP5

In Vitro Assessment of Probiotic Potential of an Autochthonous Bacterial Isolate, Pseudomonas... Microbiota of the fish gut contains many beneficial bacteria that can be used as probiotics in aquaculture. In this study, several in vitro assays along with an in vivo safety assessment were performed to decipher the probiotic potential of an autochthonous bacterial strain Pseudomonasmosselii COFCAU_PMP5, isolated from the gut of Labeo rohita. The isolate was antagonistic to 14 pathogenic bacteria, survived a wide range of pH (2–9) and tolerated high bile concentration (up to 10%). The strain COFCAU_PMP5 showed significant in vitro mucosal adherence, auto-aggregation capacity, and cell surface hydrophobicity. As a measure of safety prerequisites, the strain was found, besides being non-pathogenic to L. rohita, to be non-hemolytic and sensitive to several antibiotics. Moreover, the strain could produce extracellular enzymes and showed significant free radical scavenging activity, indicating additional beneficial properties. The probiotic potential of the strain Pseudomonas entomophila COFCAU_PEP4, isolated from an autochthonous source, was established by in vitro and safety assessments. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Microbiology Springer Journals

In Vitro Assessment of Probiotic Potential of an Autochthonous Bacterial Isolate, Pseudomonas mosselii COFCAU_PMP5

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References (39)

Publisher
Springer Journals
Copyright
Copyright © Pleiades Publishing, Ltd. 2022. ISSN 0026-2617, Microbiology, 2022, Vol. 91, No. 2, pp. 207–214. © Pleiades Publishing, Ltd., 2022.
ISSN
0026-2617
eISSN
1608-3237
DOI
10.1134/s0026261722020047
Publisher site
See Article on Publisher Site

Abstract

Microbiota of the fish gut contains many beneficial bacteria that can be used as probiotics in aquaculture. In this study, several in vitro assays along with an in vivo safety assessment were performed to decipher the probiotic potential of an autochthonous bacterial strain Pseudomonasmosselii COFCAU_PMP5, isolated from the gut of Labeo rohita. The isolate was antagonistic to 14 pathogenic bacteria, survived a wide range of pH (2–9) and tolerated high bile concentration (up to 10%). The strain COFCAU_PMP5 showed significant in vitro mucosal adherence, auto-aggregation capacity, and cell surface hydrophobicity. As a measure of safety prerequisites, the strain was found, besides being non-pathogenic to L. rohita, to be non-hemolytic and sensitive to several antibiotics. Moreover, the strain could produce extracellular enzymes and showed significant free radical scavenging activity, indicating additional beneficial properties. The probiotic potential of the strain Pseudomonas entomophila COFCAU_PEP4, isolated from an autochthonous source, was established by in vitro and safety assessments.

Journal

MicrobiologySpringer Journals

Published: Apr 1, 2022

Keywords: Labeo rohita; Pseudomonas mosselii COFCAU_PMP5; in vitro assessment; probiotic; autochthonous; aquaculture

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