Bibliographic Details
| Title: |
Rapid discrimination and classification of the Lactobacillus plantarum group based on a partial dnaK sequence and DNA fingerprinting techniques. |
| Authors: |
Chien-Hsun Huang, Fwu-Ling Lee, Jong-Shian Liou |
| Source: |
Antonie van Leeuwenhoek; Mar2010, Vol. 97 Issue 3, p289-296, 8p |
| Abstract: |
Abstract  The Lactobacillus plantarum group comprises five very closely related species. Some species of this group are considered to be probiotic and widely applied in the food industry. In this study, we compared the use of two different molecular markers, the 16S rRNA and dnaK gene, for discriminating phylogenetic relationships amongst L. plantarum strains using sequencing and DNA fingerprinting. The average sequence similarity for the dnaK gene (89.2%) among five type strains was significantly less than that for the 16S rRNA (99.4%). This result demonstrates that the dnaK gene sequence provided higher resolution than the 16S rRNA and suggests that the dnaK could be used as an additional phylogenetic marker for L. plantarum. Species-specific profiles of the Lactobacillus strains were obtained with RAPD and RFLP methods. Our data indicate that phylogenetic relationships between these strains are easily resolved using sequencing of the dnaK gene or DNA fingerprinting assays. [ABSTRACT FROM AUTHOR] |
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| Database: |
Complementary Index |
