Population and molecular responses to warming in Netzelia tuberspinifera – An endemic and sensitive protist from East Asia

Author(s): Wenping Wang,   Xiaofei Gao,   Jean Claude Ndayishimiye,   Enrique Lara,   Daniel J. G. Lahr,   Haifeng Qian,   Kexin Ren,   Huihuang Chen,   Jun Yang*,  

Category: Environmental Science
Title First Author Publication Year
Population And Molecular Responses To Warming In Netzelia Tuberspinifera – An Endemic And Sensitive Protist From East Asia Wenping Wang 2022

First Author Wenping Wang
Abstract

With the effects of global warming becoming ever more obvious, biodiversity conservation is facing severe challenges. Currently, a deeper understanding the mechanisms of the effects of warming on sensitive species has become an important topic in aquatic biodiversity and ecological management. Our study first overcame the “challenge” for a sensitive indicator species (Netzelia tuberspinifera, an endemic testate amoeba species in East Asia) of culturing under laboratory conditions, and then explored its molecular response mechanisms to warming using transcriptomic analysis. Our data indicate that temperature mainly drove the geographical and seasonal variation of N. tuberspinifera populations. Transcriptomic results indicate that when the temperature is <25 °C, rising temperature triggers the biosynthesis of ribosomes; while the temperature is >25 °C, it triggers molecular processes related with cell division, test formation and general biomass increase. However, once the temperature exceeds 40 °C, N. tuberspinifera is unable to survive. Following from these results, the distribution of N. tuberspinifera might expand towards higher altitude or latitude regions under global warming. For the first time, our study showed direct evidence for sensitive protozoa species that presents a very narrow adaptation mechanism to local climate. Our work provides fundamental data for regional biodiversity conservation and scientific reference in subtropical and tropical waterbodies.

Authors Wenping Wang,   Xiaofei Gao,   Jean Claude Ndayishimiye,   Enrique Lara,   Daniel J. G. Lahr,   Haifeng Qian,   Kexin Ren,   Huihuang Chen,   Jun Yang*,  
Page Number 150897
Volume: 806
Pub Year: 2022
ISBN: ... ...
Pub Name: Science of the Total Environment
The full text link: https://doi.org/10.1016/j.scitotenv.2021.150897
Citation:

Wang, W., Gao, X., Ndayishimiye, J. C., Lara, E., Lahr, D. J., Qian, H., ... & Yang, J. (2021). Population and molecular responses to warming in Netzelia tuberspinifera–An endemic and sensitive protist from East Asia. Science of The Total Environment 806, 150897.



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