在肠炎下,珊瑚 (Plectropomus leopardus) 的肠道微生物群和基因表达改变
Gengfu Zhou1, Zhi Ye2, Jian Luo1
1Hainan Provincial Key Laboratory for Tropical Hydrobiology and Biotechnology, School of Marine Biology and Fisheries, Collaborative Innovation Center of Marine Science and Technology, School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Haikou/Sanya, China.
Fish & shellfish immunology
|May 22, 2024
概括
肠道失调症,标志着Alcaligenaceae的增加,在珊瑚群中引发肠炎. 像乳球球菌 (Lactococcus) 这样的益生菌属在治疗鱼类肠炎方面表现有前途.
科学领域:
- 水生动物的健康状况.
- 微生物学 微生物学
- 鱼类免疫学 鱼类免疫学
背景情况:
- 肠炎显著影响养鱼业,导致炎症和功能障碍.
- 在珊瑚 (Plectropomus leopardus) 中爆发的疫情,没有明确的原因从料或水质.
- 了解肠道菌群和宿主反应对于管理肠炎至关重要.
研究的目的:
- 为了研究患病的珊瑚群肠道菌群的变化.
- 为了阐明宿主在肠炎期间的反应和相互作用.
- 为了确定有效的肠炎管理的病原遗传机制.
主要方法:
- 在健康和受肠炎影响的鱼类之间对肠道微生物群的比较分析.
- 肠道和肝脏组织的转录分析.
- 微生物组成和宿主基因表达之间的相关性分析.
主要成果:
- 在肠道菌群中观察到显著的差异,其中Alcaligenaceae在受病的鱼类中占主导地位,而对照组中的乳球球菌.
- 转录学揭示了受影响鱼类的强烈炎症反应,代谢受损,组织损伤和铁死亡信号.
- 病原体相关的微生物与炎症和组织损伤基因有正相关.
结论:
- 肠道失调,特别是高藻类丰富度,是珊瑚群肠炎的关键触发因素.
- 藻类,阿克罗巴克特,斯芬戈蒙纳斯和链球菌是潜在的肠炎生物标志物.
- 乳球菌,Clostridium_sensu_stricto和Enterococcus显示出用于肠炎管理的益生菌潜力.
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