Overview of the distribution and adaptation of a bloomforming cyanobacterium Raphidiopsis raciborskii : integrating genomics, toxicity, and ecophysiology
Overview of the distribution and adaptation of a bloomforming cyanobacterium Raphidiopsis raciborskii : integrating genomics, toxicity, and ecophysiology
复制标题
开花蓝藻 Raphidiopsis raciborskii 的分布和适应概述:整合基因组学、毒性和生态生理学
DOI:
10.1007/s00343-022-2003-7
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发表时间:
2022
影响因子:
1.6
通讯作者:
Junqiong Shi
中科院分区:
文献类型:
--
作者:
Zhongxing Wu;Songqi Yang;Junqiong Shi
Raphidiopsis raciborskiiis a notorious bloom-forming and filamentous cyanobacterium that has been extensively investigated into its toxicity, phylogeny, and spreading potential. Studies have demonstrated that this species has spanned different climates from tropical zones to temperate regions, suggesting thatR. raciborskiiis becoming a cosmopolitan species in freshwater systems around the world. In fact, it has been proposed that several characteristics ofR. raciborskiimay explain its spread and dominance. In particular,R. raciborskiiis known to display a high extent of physiological plasticity regarding nutrients, light regimes, and temperatures. Moreover, this species illustrates different ecotypes with distinct environmental requirements. Here, we present an overview ofR. raciborskii’s global distribution and adaptation strategy based on the recent findings from genome variance, toxicity, and ecophysiology. The expansion of its geographical distribution can be linked to its genome, toxicity, and ecophysiology. The variable genes are mainly associated with the stress response, phage defense, DNA repair, cell cycle control, and membrane transport, illustrating the species’ adaptability in response to changing environments. In fact, the species shows rapid adaptability to low and/or variable nutrient availability, especially changing phosphorus availability. Moreover, the variabilities of strains within the population extend their flexibility to adapt and acclimate to ambient environment. In addition, cylindrospermopsins (CYN) appear to have a potential biological role in facilitating theirs dominance or bloom. These strategies ofR. raciborskiimake it a challenge to manage in a freshwater system, reflecting the management of its bloom from further evidence of the complex ecophysiology, toxicity, and genome of this species.