通过一种新型分离物,Bacillus pacificus ANSB901的有效降解食物中的替代醇
Yanrong Liu1, Xinyue Zhang1, Mingxin Ma1
1State Key Laboratory of Animal Nutrition and Feeding, Poultry Nutrition and Feed Technology Innovation Team, College of Animal Science and Technology, China Agricultural University, Beijing 100193, PR China.
Food microbiology
|April 10, 2025
概括
太平洋杆菌ANSB901有效地从食品和料中去除了菌毒素Alternariol (AOH). 这种细菌及其酶在生物降解AOH方面表现有前途,为食品污染提供了潜在的解决方案.
科学领域:
- 微生物学 微生物学
- 食品科学 食品科学 食品科学
- 毒理学 毒理学 毒理学
背景情况:
- 替代 (AOH) 是一种普遍存在的菌根毒素污染食品,对人类和动物造成重大健康风险.
- 关于AOH的微生物和酶降解的研究有限,这突出了关键的知识差距.
研究的目的:
- 选微生物的AOH降解能力.
- 评估Bacillus pacificus ANSB901在AOH生物修复中的有效性和安全性.
- 为了确定参与AOH降解的潜在酶.
主要方法:
- 从食品和的消化道样本中选了91种微生物菌株.
- 使用细菌细胞溶解物评估AOH去除效率.
- 在各种食品矩阵 (DDGS,果汁,成的玉米) 中测试AOH降解.
- 评估细菌的毒性和毒性.
- 分析降解产品并进行全基因组测序.
主要成果:
- 太平洋杆菌ANSB901表现出最高的AOH去除比率,在12小时内将AOH降低了94%.
- 在蒸机用可溶性干谷物 (DDGS),果汁和成的玉米中观察到有效的AOH消除.
- 在B. pacificus ANSB901.1.中没有观察到毒性或毒性.
- 确定了三种低毒性AOH降解产品.
- 通过全基因组测序选了15种潜在的AOH降解蛋白候选物.
结论:
- 太平洋杆菌ANSB901是食品和料中AOH生物降解的高效剂.
- 这种细菌及其衍生酶代表了开发对抗AOH污染的生物修复策略的有希望的候选人.
- 对已识别的蛋白质候选物的进一步研究将阐明特定的降解途径.
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