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  您现在的位置:首页 > 科研成果 > 论文
 
论文编号:
作者:
作者: Ding, Yi; Wang, Zhongjie; Wang, Yali; Geng, Yahong; Wen, Xiaobin*; Li, Yeguang*
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通讯作者:
通讯作者: Wen, Xiaobin*; Li, Yeguang*
刊物名称:
刊物名称: INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
论文题目:
论文题目: Physiological and Dual Transcriptional Analysis of Microalga Graesiella emersonii-Amoeboaphelidium protococcarum Pathosystem Uncovers Conserved Defense Response and Robust Pathogenicity
摘要:
摘要:
The underlying mechanisms of microalgal host-pathogen interactions remain largely unknown. In this study, we applied physiological and simultaneous dual transcriptomic analysis to characterize the microalga Graesiella emersonii-Amoeboaphelidium protococcarum interaction. Three infection stages were determined according to infection rate and physiological features. Dual RNA-seq results showed that the genes expression of G. emersonii and A. protococcarum were strongly dynamically regulated during the infection. For microalgal hosts, similar to plant defense response, the expression of defense genes involved in the pattern recognition receptors, large heat shock proteins, and reactive oxygen scavenging enzymes (glutathione, ferritin, and catalase) were significantly upregulated during infection. However, some genes encoding resistance proteins (R proteins) with a leucine-rich repeat domain exhibited no significant changes during infection. For endoparasite A. protococcarum, genes for carbohydrate-active enzymes, pathogen-host interactions, and putative effectors were significantly upregulated during infection. Furthermore, the genes in cluster II were significantly enriched in pathways associated with the modulation of vacuole transport, including endocytosis, phagosome, ubiquitin-mediated proteolysis, and SNARE interactions in vesicular transport pathways. These results suggest that G. emersonii has a conserved defense system against pathogen and that endoparasite A. protococcarum possesses a robust pathogenicity to infect the host. Our study characterizes the first transcriptomic profile of microalgae-endoparasite interaction, providing a new promising basis for complete understanding of the algal host defense strategies and parasite pathogenicity
年: 2021
卷: 22
期: 3
页: 12487
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影响因子: 5.924
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