一株高利用水苏糖的普通拟杆菌及其缓解肠易激综合征的应用

By screening out the common Bacteroides CCFM1468 which efficiently utilizes stachyose, and combining it with stachyose intervention, the diarrhea symptoms of irritable bowel syndrome (IBS) were significantly relieved, the intestinal flora was regulated, and the shortcomings of existing technologies in relieving IBS by stachyose were solved, thus improving intestinal function.

CN119931885BActive Publication Date: 2026-07-17JIANGNAN UNIV

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
JIANGNAN UNIV
Filing Date
2025-01-24
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing research has not been able to clarify whether stachyose can alleviate irritable bowel syndrome (IBS), and there is a lack of microorganisms that can synergistically promote the relief of IBS symptoms with stachyose.

Method used

A strain of Bacteroides vulgatus, CCFM1468, was provided, which has the ability to efficiently utilize stachyose. When used in combination with stachyose, it significantly increases the abundance of the strain in the host gut, reduces fecal water content, defecation frequency and gastrointestinal transit rate in mice with diarrhea-predominant irritable bowel syndrome, and regulates the levels of related cytokines.

Benefits of technology

The combined use of Bacteroides commonis CCFM1468 and stachyose can significantly alleviate diarrhea symptoms, reduce fecal water content and defecation frequency in mice, improve intestinal function, regulate the expression of related cytokines, and synergistically promote the improvement of symptoms of irritable bowel syndrome.

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Abstract

本发明公开了一株高利用水苏糖的普通拟杆菌及其缓解肠易激综合征的应用,属于微生物技术领域以及医药技术领域。本发明筛选得到的普通拟杆菌(Bacteroides vulgatus)CCFM1468可高利用水苏糖,同时可以缓解肠易激综合征,具体体现在:(1)普通拟杆菌CCFM1468在以水苏糖为碳源的mBHI培养基中生长速率快,代时短;(2)本发明普通拟杆菌CCFM1468高利用水苏糖,缓解肠易激综合征小鼠腹泻症状,调节肠易激综合征相关指标,维持肠道功能,改善肠道健康。因此,所述普通拟杆菌CCFM1468在制备改善宿主健康的产品中,具有巨大的应用前景。
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