BMC microbiology · 2026
Lactiplantibacillus plantarum and Pediococcus acidilactici strains isolated from cattle gut show probiotic potential.
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Batool Asiya, Yasmin Humaira, Farah Mohammad Abul, Khan Naeem, Hassan Muhammad Nadeem
Аннотация
BACKGROUND: Lactic acid bacteria (LAB), particularly Lactiplantibacillus plantarum and Pediococcus acidilactici, are well-characterized probiotics, known for their beneficial role in promoting gut health in animals.
RESULTS: In this study, 48 presumptive LAB were obtained from the cattle gastrointestinal tract (feces and saliva). Among these, two strains (CS-23 and BC-14) exhibited significant probiotic properties, including acid tolerance (67.67-96.33%), bile salt tolerance (49.33-83.60%) auto-aggregation (74.24-76.21%), co-aggregation (10.35-23.93%), cell surface hydrophobicity (56.10-69.35%), antioxidant (DPPH scavenging: 27.15 and 34.66%), and antimicrobial activity (inhibition zone: 8.3-14.0 mm). Both strains were susceptible to key antibiotic classes (macrolides and beta-lactams) and exhibited neither gelatinase nor hemolytic activities, indicating their safety for use. Based on 16 S rRNA gene sequence analysis, the strains were identified as Lactiplantibacillus plantarum CS-23 and Pediococcus acidilactici BC-14, exhibiting close phylogenetic relatedness to indigenous probiotic strains of animal origin.
CONCLUSION: The indigenous strains Lactiplantibacillus plantarum CS-23 and Pediococcus acidilactici BC-14 exhibit promising probiotic potential and could be used as effective candidates for improving livestock health.
RESULTS: In this study, 48 presumptive LAB were obtained from the cattle gastrointestinal tract (feces and saliva). Among these, two strains (CS-23 and BC-14) exhibited significant probiotic properties, including acid tolerance (67.67-96.33%), bile salt tolerance (49.33-83.60%) auto-aggregation (74.24-76.21%), co-aggregation (10.35-23.93%), cell surface hydrophobicity (56.10-69.35%), antioxidant (DPPH scavenging: 27.15 and 34.66%), and antimicrobial activity (inhibition zone: 8.3-14.0 mm). Both strains were susceptible to key antibiotic classes (macrolides and beta-lactams) and exhibited neither gelatinase nor hemolytic activities, indicating their safety for use. Based on 16 S rRNA gene sequence analysis, the strains were identified as Lactiplantibacillus plantarum CS-23 and Pediococcus acidilactici BC-14, exhibiting close phylogenetic relatedness to indigenous probiotic strains of animal origin.
CONCLUSION: The indigenous strains Lactiplantibacillus plantarum CS-23 and Pediococcus acidilactici BC-14 exhibit promising probiotic potential and could be used as effective candidates for improving livestock health.