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产共轭亚油酸菌株的筛选及其等离子体诱变

Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2016-10-22

Journal: 工业微生物

Included Journals: CSCD

Volume: 46

Issue: 5

Page Number: 50-54

ISSN: 1001-6678

Key Words: 共轭亚油酸;筛选;乳杆菌属;等离子体诱变

Abstract: 本实验从东北酸菜汁中筛选获得了一株产共轭亚油酸能力较好的菌株SC-05,特别是气相色谱分析结果表明,合成的CLA产物构型为单一构型,仅为c9, t11-18:2-CLA,经鉴定该菌为乳杆菌属Lactobacillus sp.。菌株SC-05经低温等离子体处理后,筛选出突变株A-08,其共轭亚油酸产量达到119.24μg/mL,比出发菌株增加了83.0%,且突变株A-08具有较好的遗传稳定性。

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