一种培育子的细菌菌株FM2从鱼市的流水中分离出来,具有显著的益生菌属性,适用于水产养殖环境
Abhinaba Chakraborty1, Raju Biswas1,2, Bomba Dam3
1Microbiology Laboratory, Department of Botany, Siksha-Bhavana (Institute of Science), Visva-Bharati (A central university and an institution of National importance), Birbhum, Santiniketan, West Bengal, 731235, India.
Probiotics and antimicrobial proteins
|January 26, 2026
概括
研究人员将Bacillus sp.分离出来. 鱼市排水中的FM2菌株作为水产养殖的强效益生菌. 这种子形成细菌通过抑制病原体和改善肠道状况来增强鱼类的健康,为抗生素提供了可持续的替代品.
科学领域:
- 水生微生物学 水生微生物学
- 水产养殖中的益生菌
- 一个健康计划的倡议.
背景情况:
- 水产养殖面临着鱼类健康和抗生素使用的挑战.
- 益生菌提供了一种可持续的策略,可以改善鱼类的福祉,减少对抗生素的依赖.
- 一个健康的方法强调人,动物和环境健康的相互联系.
研究的目的:
- 从鱼市排水中分离和鉴定新型子形成益生菌,用于水产养殖.
- 评估选择的分离物作为鱼类的功能益生菌的潜力.
- 为商业水产养殖应用确定安全有效的益生菌菌株.
主要方法:
- 使用多层板式选方法来隔离潜在的益生菌菌株.
- 隔离物被选为非致病性,细胞外酶生产,胆盐耐受性和生物膜形成.
- 最有前途的分离物是Bacillus sp. 菌株FM2使用16S rRNA基因测序识别并全面表征.
主要成果:
- 在最初的查中,三种隔离物 (FM1,FM2,FM4) 显示出积极的表现.
- 巴西勒斯种类 (Bacillus sp.) 的存在 菌株FM2表现出高的分泌效率 (91%) 和产量 (9.3 × 10^8 CFU/mL).
- 菌株FM2对鱼类病原体表现出广泛的抗菌活性,抑制了生物膜的形成,具有出色的粘合性,抗氧化活性和外聚糖的产生. 其子表现出对环境和胃肠道压力的抵抗力.
结论:
- 巴西勒斯种类 (Bacillus sp.) 的存在 菌株FM2是一种有希望的,安全的,多功能益生菌用于水产养殖.
- 它可以改善鱼的肠道健康,抑制常见的鱼病原体,并承受具有挑战性的环境条件.
- 菌株FM2在可持续水产养殖实践中具有重要的商业化潜力.
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