July 7, 2019  |  

Complete genome sequence of Lactobacillus plantarum LZ227, a potential probiotic strain producing B-group vitamins.

Authors: Li, Ping and Zhou, Qingqing and Gu, Qing

B-group vitamins play an important role in human metabolism, whose deficiencies are associated with a variety of disorders and diseases. Certain microorganisms such as Lactic acid bacteria (LAB) have been shown to have capacities for B-group vitamin production and thus could potentially replace chemically synthesized vitamins for food fortification. A potential probiotic strain named Lactobacillus plantarum LZ227, which was isolated from raw cow milk in this study, exhibits the ability to produce B-group vitamins. Complete genome sequencing of LZ227 was performed to gain insights into the genetic elements involved in B-group vitamin production. The genome of LZ227 contains a circular 3,131,750-bp chromosome, three circular plasmids and two predicted linear plasmids. LZ227 also contains gene clusters for biosynthesis of both riboflavin and folate. This genome sequence provides a basis for further elucidation of its molecular genetics and probiotic functions, and will facilitate its applications as starter cultures in food industry. Copyright © 2016 Elsevier B.V. All rights reserved.

Journal: Journal of biotechnology
DOI: 10.1016/j.jbiotec.2016.07.020
Year: 2016

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