CSDL Bài trích Báo - Tạp chí
Screening bile salt hydrolase activity of Lactobacillus isolated from Vietnamese human origins
Tác giả: Xuan Thach Tran, Thi Hien Vu, Thi Thu Ha, Thi Hoa Nguyen, The Hung Hoang, Duc Hoang Le, Quyen Van Dong, Nam Trung Nguyen, Thi Tuyet Nhung NguyenTóm tắt:
In this study, Lactobacillus plantarum VFE-04, L. rhamnosus VFE-08, and L. plantarum VFE-14, had been isolated from Vietnamese healthy adults, were able to deconjugate glycodeoxycholate (GDC) on MRS plates and MRS broth supplemented with GDC. In addition, deconjugating activity of L. plantarum VFE-04, L. rhamnosus VFE-08, and L. plantarum VFE-14 were also found in cell-free extract as expressed by amount of glycine that released in the supernatant. Four bsh genes including bsh1, bsh2, bsh3, and bsh4 have been identified by PCR in these strains. In addition, L. plantarum VFE-04, L. rhamnosus VFE-08, and L. plantarum VFE-14 also showed high ability to resist bile salts and low pH. The results of 16S rRNA gene analyses showed that L. plantarum VFE-04, L. rhamnosus VFE-08, and L. plantarum VFE-14 and had high similarity scores with L. plantarum ZZU 23 (100%), L. rhamnosus JCM 1136 (99%) and L. plantarum S7 (98.65%), respectively. This study suggests that L. plantarum VFE-04, L. rhamnosus VFE-08, and L. plantarum VFE-14 have the potential to be explored as probiotics in the management of hypercholesterolaemia in near future.
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