在鱼Meretrix meretrix中发现了一种具有QPS和WND基因的新型C型乳素基因
Lu Zhang1, Yu Tao1, Bingxin Shi1
1MOE Key Laboratory of Marine Genetics and Breeding, Shandong Key Laboratory of Marine Seed Industry (preparatory), and Qingdao Institute of Maritime Silk Road (Qingdao Institute of Blue Seed Industry), Ocean University of China, Qingdao, China; Hainan Key Laboratory of Tropical Aquatic Germplasm (Hainan Seed Industry Laboratory), Sanya Oceanographic Institution, Ocean University of China, Sanya, China.
研究人员在贝Meretrix meretrix中发现了一种新的C型讲蛋白 (CTL),MmCTL5. 这种新型的CTL在鱼对细菌病原体的天生的免疫防御中起着关键作用.
科学领域:
- 海洋生物学 海洋生物学
- 免疫学 免疫学 免疫学
- 生物化学 生化学
背景情况:
- C型讲蛋白 (CTLs) 是依赖的模式识别受体 (PRRs),对免疫反应至关重要.
- 了解像鱼 (Meretrix meretrix) 这样的无脊椎动物中的CTL对于水产养殖和疾病耐药性至关重要.
研究的目的:
- 为了识别和表征一种新的CTL (MmCTL5) 来自贝Meretrix meretrix.
- 研究MmCTL5在M. meretrix.天生的免疫系统中的作用.
主要方法:
- 全长度cDNA测序以确定MmCTL5.5的结构.
- 在细菌刺激后使用定量PCR进行基因表达分析.
- 重组蛋白表达和功能测定 (凝结,碳水化合物结合).
主要成果:
- 一种新的CTL,MmCTL5,被确定具有特征性的碳水化合物识别域 (CRD).
- 在刺激Vibrio splendidus后,血细胞和肝中MmCTL5表达显著增加.
- 再组合的MmCTL5聚合致病性Vibrio物种和各种结合的碳水化合物.
结论:
- MmCTL5是一种新的C型莱克,参与了Meretrix meretrix的先天免疫反应.
- MmCTL5可能作为PRR,识别和潜在地中和细菌病原体.
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