乳杆菌载体纳米体在亚临床死性肠炎下改善肉生产率,并与相关的微生物组和转录组变化有关
Ashley N Hall1, Simmi Manuja1, Laura M Payling2
1BiomEdit, Inc., Greenfield, IN, USA.
NPJ biofilms and microbiomes
|January 14, 2026
概括
提供纳米体的基因工程益生菌有效控制了 brojlers中的亚临床死肠炎 (SCNE). 这种无抗生素的策略通过减少炎症和毒素损伤来改善生长性能.
科学领域:
- 禽畜科学 禽畜科学 禽畜科学
- 微生物学 微生物学
- 免疫学 免疫学 免疫学
背景情况:
- 亚临床性死肠炎 (SCNE) 在家禽生产中带来了重大挑战.
- 传统的抗生素治疗因抗菌素耐药性问题而面临审查.
- 新型无抗生素策略对于可持续的家禽养殖至关重要.
研究的目的:
- 为了评估Limosilactobacillus reuteri菌株的有效性,这些菌株被设计为提供纳米体,以对抗Clostridium perfringens毒素,用于SCNE控制.
- 调查SCNE条件下的 brojlers性能改善的潜在机制.
主要方法:
- 涉及受SCNE挑战的肉的受控研究.
- 使用转基因Limosilactobacillus reuteri菌株进行管理.
- 分析生长性能,料转换比率,阴茎组织形态测量,阴茎和肝脏基因表达以及微生物转录基因组学.
主要成果:
- 与抗生素和野生型益生菌相比,工程化益生菌菌株显著改善了 brojler 体重增加和料转换比率.
- 在现场纳米体表达得到证实.
- 与SCNE相关的炎症和毒素诱导的肝损伤得到缓解,导致氧化应激减少和免疫状态更加平静.
结论:
- 益生菌载体纳米体输送是一种有希望的无抗生素策略,用于控制家禽的SCNE.
- 这种方法有效地向肠道抗原,减少炎症,改善生长性能.
- 该战略有可能用于管理牲畜中的各种肠道相关疾病.
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