Journal
JOURNAL OF BASIC MICROBIOLOGY
Volume 49, Issue 4, Pages 377-385Publisher
WILEY
DOI: 10.1002/jobm.200800185
Keywords
Lactobacillus plantarum; Lactic acid fermentation; Multilocus sequence typing
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Funding
- Thailand Research Fund [PHD/0165/2546]
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Ten Lactobacillus strains originally isolated from Thai fruits and vegetables fermentation were characterized by various phenotypic and genotypic methods. The phenotypic analysis using the method of carbohydrate fermentation patterns (API50CHL) revealed that the isolates belonged to the L. plantarum species. This was further confirmed by 16S rRNA gene sequencing. Multilocus sequence typing (MLST) revealed a strongly clonal population structure and a low genotypic diversity in this collection. However, the analyzed L. plantarum population demonstrated a higher level of diversification after AP150CHL that reflects the role of available carbohydrate sources in bacterial evolution. Our results support the postulate that a combination of conventional biochemical and genotyping methods allows a thorough characterization and identification of isolates. We propose that genotypic characterization could be complemented by biochemical characterization to discriminate L. plantarum strains.
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