RESEARCH PAPER
Figure from article: Isolation and screening of...
 
KEYWORDS
TOPICS
ABSTRACT
Background:
Biosurfactants derived from lactic acid bacteria (LAB) produce eco-friendly biosurfactants with antimicrobial, antiadhesive, and antibiofilm properties.

Material and methods:
LAB strains isolated from Bhatabaru were screened for biosurfactant production using multiple assays, including drop collapse, hemolytic activity, oil displacement, surface activity, and emulsifying activity. The selected strain was morphologically characterized by Gram staining and micro­scopy and identified through biochemical assays and 16S rRNA sequencing using Gene Tool software.

Results:
The strain Bht-2 was determined to be Gram-positive, coccus-shaped, and nonendospore- forming. Biochemical and molecular analyses confirmed its identity as Enterococcus faecalis, which exhi­bited significant biosurfactant production.

Conclusions:
Enterococcus faecalis Bht-2 exhibits strong potential as a biosurfactant-producing LAB strain. Its desirable physicochemical and biofunctional traits underscore its applicability in biotechnological, pharmaceutical, and industrial domains as a safe and eco-friendly alternative to synthetic surfactants.
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