一种新的Bacillus velezensis菌株CML532改善了的生长性能,并减少了肠道Clostridium perfringens的殖民化
A La Teng Zhu La1, Qiu Wen1, Yuxuan Xiao1
1State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China.
Microorganisms
|April 27, 2024
概括
百菌 velezensis CML532是一种有前途的益生菌,用于. 这种菌株改善了生长,肠道健康和对Clostridium perfringens挑战的弹性.
科学领域:
- 微生物学 微生物学
- 动物科学动物科学
- 肠道微生物组研究研究
背景情况:
- 百菌 velezensis因其在畜牧业中的益生菌潜力而闻名.
- 改善禽类的肠道健康和生长性能仍然是一个关键目标.
研究的目的:
- 从肉样本中分离和鉴定Bacillus velezensis菌株的特征.
- 为了评估选择B. velezensis菌株 (CML532) 作为的益生菌的有效性,包括在病原体挑战下.
主要方法:
- 从各种品种中分离和选Bacillus velezensis菌株.
- 益生菌性质的表征,包括酸/胆性耐受性和酶/抗菌活性.
- 对所选菌株CML532.2.的基因组分析
- 在正常条件下和Clostridium perfringens挑战条件下,在肉中对CML532的体内评估.
主要成果:
- 确定了6种B. velezensis菌株,其中CML532具有优越的益生菌特征.
- 基因组分析揭示了CML532.52中代谢和水解的基因.
- 食CML532补充剂增强了的生长,肠道屏障功能和调节的微生物群.
- 在挑战期间,CML532减轻了肠道损伤,并减少了C. perfringens的殖民.
结论:
- 新型Bacillus velezensis CML532菌株显示出作为家禽益生菌的巨大潜力.
- CML532有效地促进生长,增强肠道健康,并提供对C. perfringens感染的保护.
- 这项研究支持使用B. velezensis CML532来改善的健康和生产力.
相关概念视频
Microorganisms in Agriculture and Food industry
Microorganisms play a crucial role in agriculture and the food industry, contributing to soil fertility, crop protection, and food production. Their functions range from nitrogen fixation and biopesticide production to fermentation and food preservation, making them indispensable to sustainable farming and food safety.Role in AgricultureNitrogen-fixing bacteria, such as Rhizobium (symbiotic) and Azotobacter (free-living), convert atmospheric nitrogen into ammonia through biological nitrogen...
Biological Methods for Microbial Control
Biological agents offer an effective means of controlling microbial growth by leveraging natural processes like predation, competition, and the secretion of antimicrobial substances.Predatory bacteria such as Bdellovibrio species target and kill pathogens like Salmonella and E. coli. They are widely used in poultry farms to control infections. Myxococcus species help combat plant-pathogenic fungi. These naturally occurring predators serve as eco-friendly alternatives to chemical pesticides and...
Microbes in the Production of Fermented Foods
Lactic acid bacteria (LAB) and molds are instrumental in fermenting plant-based foods to enhance preservation and ensure year-round availability. These microbial processes convert plant carbohydrates into organic acids and other metabolites that inhibit spoilage organisms and contribute to the sensory qualities of the final product.In sauerkraut production, cabbage goes through a microbial succession that starts with cocci such as Leuconostoc mesenteroides. These microbes begin fermentation by...
Bioreactor Controls-III
Strain improvement is a foundational strategy in industrial microbiology aimed at maximizing microbial productivity, particularly because natural isolates typically yield commercially valuable products in very low concentrations. Although optimizing the culture medium and environmental conditions can improve yields, these adjustments are inherently limited by the organism’s genetic potential. As a result, the focus shifts toward genetic modifications to enhance biosynthetic capacity. The...


