洞察热应激下Mytilus coruscus的消化腺反应使用基于TMT的蛋白质组学
Lezhong Xu1, Yuxia Wang1, Shuangrui Lin1
1National Engineering Research Center for Marine Aquaculture, Marine Science and Technology College, Zhejiang Ocean University, Zhoushan 316022, China.
Animals : an open access journal from MDPI
|July 29, 2023
概括
像Mytilus coruscus这样的海会激活抗氧化剂和免疫系统,以幸存海洋变暖. 在热应激期间,它们利用营养消化和无氧呼吸来获得能量.
科学领域:
- 海洋生物学 海洋生物学
- 环境科学 环境科学
- 生物化学 生物化学
背景情况:
- 海洋变暖对海洋两动物种群构成重大威胁,导致广泛的死亡.
- 贝对热应激反应的精确生物机制在很大程度上是未知的.
研究的目的:
- 为了研究Mytilus coruscus对高温的分子和酶反应.
- 为了阐明涉及热应激耐受性的生理途径,在这个海洋软体动物.
主要方法:
- 使用TMT标签进行的蛋白质组分析是在Mytilus coruscus的消化腺组织上进行的.
- 进行了酶活性测定,以评估关键的代谢和抗氧化剂标志物.
主要成果:
- 在热应激下观察到超氧化物脱酶,酸酸酶,乳酸脱酶和酶活性的显著变化.
- 蛋白质组分析揭示了参与营养消化,亡 (p53,MAPK) 和能量代谢的蛋白质的差异表达.
- 有证据表明抗氧化剂和免疫系统的激活,以及无氧呼吸.
结论:
- Mytilus coruscus对热应激有多方面的反应,包括抗氧化剂,免疫和代谢调整.
- 这项研究表明,通过TCA循环利用脂肪,氨酸和单氨酸在热应力下获得能量.
- 研究结果提供了关于海洋软体动物应对气候变化影响的弹性机制的见解.
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