Biosynthesis of 2-methylisoborneol is regulated by chromatic acclimation of Pseudanabaena

Green light promotes
MIB synthesis and PE
Odor risks increase
蓝藻
MIB生物合成
色适机制
藻红素
饮用水安全

ER2023: Ming Su, Min Yang, et. al. Biosynthesis of 2-methylisoborneol is regulated by chromatic acclimation of Pseudanabaena. Environmental Research 2023;221:115260. 10.1016/j.envres.2023.115260.

作者
单位

Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences

National Engineering Research Center of Industrial Wastewater Detoxication and Resource Recovery, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences

University of Chinese Academy of Sciences

方 姣

Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences

School of Civil Engineering, Chang’an University

贾 泽宇

Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences

Yangtze Eco-Environment Engineering Research Center, China Three Gorges Corporation

苏 宇亮

Zhuhai Water Environment Holdings Group Ltd.

朱 宜平

Shanghai Chengtou Raw Water Co. Ltd.

吴 斌

Zhuhai Water Environment Holdings Group Ltd.

John C. Little

Department of Civil and Environmental Engineering, Virginia Tech.

于 建伟

Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences

National Engineering Research Center of Industrial Wastewater Detoxication and Resource Recovery, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences

University of Chinese Academy of Sciences

Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences

National Engineering Research Center of Industrial Wastewater Detoxication and Resource Recovery, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences

University of Chinese Academy of Sciences

发布于

2023年03月15日

Doi

重要链接

摘要

蓝藻可以通过调整包括叶绿素 a(Chl a)、藻红蛋白(PE)和藻蓝蛋白(PC)等光合色素的成分来感知不同的光照颜色。丝状蓝藻是2‐甲基异莰醇(MIB)的主要生产者,许多蓝藻能够增加其PE水平,以便在绿光更丰富的水体表层中更加具有竞争力,从而引起饮用水水库中广泛的嗅味问题。在这项研究中,我们探讨了MIB合成与环境光照颜色引起的色调适应(CA)在MIB产嗅Pseudanabaena 菌株中的潜在关系。结果表明,Pseudanabaena通过增加PE的丰度并减少PC在绿光中的比例,来通过III型色调适应(CA3)调节色素比例。MIB和Chl a的合成共享相同的前体,并且它们之间存在显著的正相关关系,不受光照颜色的影响(\(R^2 = 0.68\), \(p < 0.001\))。此外,PE的丰度与绿光中的Chl a也呈正相关(\(R^2 = 0.57\), \(p = 0.019\)),因为PE是唯一可以将能量传递给PC和Chl a的天线。在绿光下,由于合成了更多的Chl a,观察到MIB的生产显著增加。

图摘要

引用

加入 Zotero

@Article{su2023biosynthesis,
    title       = {Biosynthesis of 2-methylisoborneol is regulated by chromatic acclimation of {\textit{{Pseudanabaena}}}},
    author      = {Su, Ming and Fang, Jiao and Jia, Zeyu and Su, Yuliang and Zhu, Yiping and Wu, Bin and Little, John C. and Yu, Jianwei and Yang, Min},
    year        = 2023,
    journal     = {Environmental Research},
    publisher   = {Elsevier BV},
    volume      = 221,
    pages       = 115260,
    url         = {https://doi.org/10.1016/j.envres.2023.115260},
    issn        = {0013-9351},
    doi         = {10.1016/j.envres.2023.115260}
}