Mytilus coruscus地幔对急性海水酸化和贝损伤的转录组反应
Zhi Liao1, Fei Liu1, Ying Wang1
1Laboratory of Marine Biology Protein Engineering, Marine Science and Technical College, Zhejiang Ocean University, Zhoushan, Zhejiang, China.
Frontiers in physiology
|November 13, 2023
概括
贝可以通过激活生物矿物化基因来适应海洋pH值的变化和损伤. 急性酸化显著影响基因表达,而不是外损伤,有助于在波动的河口环境中生存.
科学领域:
- 海洋生物学 海洋生物学
- 生态生态学 生态生态学
- 环境科学环境科学
背景情况:
- Mytilus coruscus是一种经济上至关重要的化物,居住在长江河口,由于淡水流入而经历季节性pH值下降.
- 贝经常承受贝骨折,需要强大的贝修复机制.
- 在压力下了解地幔基因表达对于预测的弹性至关重要.
研究的目的:
- 在急性海水酸化下研究Mytilus coruscus的地幔基因表达.
- 为了确定地幔在外修复过程中对酸化的反应.
- 评估酸化和贝损伤对基因表达和贝完整性的综合影响.
主要方法:
- 对Mytilus coruscus地幔组织的转录分析.
- 对贝完整与贝受损的贝的基因表达的比较.
- 对地幔形态和外微观结构的分析.
- 对差异表达基因 (DEG),基因本体学 (GO) 术语和KEGG通路的生物信息分析.
主要成果:
- 急性酸化引起了地幔中的更多的DEG,而不是外损伤.
- 与生物矿物化相关的GO术语和KEGG途径被DEGs显著丰富,主要是上调监管.
- 贝矩阵蛋白和抗菌的表达在压力下增加,表明适应性反应.
- 在酸化和损伤下观察到地幔和外的形态和微观结构变化.
结论:
- Mytilus coruscus对急性海水酸化表现出适应性反应,涉及生物矿物化过程的上调调节.
- 在不利的条件下,地幔在准备外修复和防御感染方面发挥着关键作用.
- 研究结果提供了M. coruscus在易受pH波动和海洋酸化的河口环境中的生存策略的见解.
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