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New Insights into Unexpected Severe PM2.5 Pollution during the SARS and COVID-19 Pandemic Periods in Beijing
Zuo, Peijie; Zong, Zheng; Zheng, Bo; Bi, Jianzhou; Zhang, Qinghua; Li, Wei; Zhang, Jingwei; Yang, Xuezhi; Chen, Zigu; Yang, Hang; Lu, Dawei; Zhang, Qinghua; Liu, Qian; Jiang, Guibin
2021-10-15
Source PublicationENVIRONMENTAL SCIENCE & TECHNOLOGY
ISSN0167-8809
Volume322Pages:-
AbstractSoil-borne Chinese wheat mosaic virus causes yellow mosaic disease in winter wheat and is transmitted by its vector-Polymyxa graminis-in rhizosphere soil. However, the mechanism underlying the protective effect of belowground plant-associated microbes against infection by soil-borne viruses is unknown. Here, we used comprehensive bacterial 16S rRNA gene and fungal internal transcribed spacer region sequencing to explore changes of belowground plant-associated microbes and their network associations in response to wheat yellow mosaic disease. Following infection, the alpha diversity of root-associated microbiota significantly increases, whereas the microbial community structure becomes more homogeneous from the bulk soil to the root endosphere. Nevertheless, significant differences occur in taxonomic composition with different degrees of plant disease. For example, certain phyla, including Firmicutes, Gemmatimonadetes, Bacteroidetes, Chloroflexi, Nitrospirae, Armatimonadetes, and Acidobacteria, as well as specific genera, namely, Streptomyces, Stenotrophomonas, Bradyrhizobium, Sphingomonas and Bacillus, are greatly enriched following disease outbreak and may contribute to pathogen suppression. Moreover, following disease occurrence, the scale, connectivity, and complexity of the rhizosphere and root endosphere co-occurrence network increased compared with those of healthy plants. Moreover, the rhizosphere and root endosphere co-occurrence network of diseased plants contains more plant beneficial taxa and nitrogen cycle-related bacterial taxa as the keystone taxa, including the genera Bosea (Bra-dyrhizobiaceae), Stenotrophomonas, Thermomonas (Xanthomonadaceae), Novosphingobium (Sphingomonadaceae), and Methylibium (Comamonadaceae), implying that these potential beneficial taxa may regulate microbial networks and prevent the collapse of belowground microbial networks after disease emerging. It also implies that there is potential niche competition between beneficial bacteria and pathogen. In conclusion, our findings provide important insights into the relationship between the occurrence of soil-borne virus diseases and changes in the belowground microbial communities. This work may facilitate future research on the use of specific rhizosphere microbial communities to inhibit soil-borne virus infection.
Department环境化学与生态毒理学国家重点实验室
KeywordBelowground plant-associated microbes Beneficial microbes Co-occurrence networks Chinese wheat yellow mosaic disease
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/46814
Collection环境化学与生态毒理学国家重点实验室
Affiliation1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Environm Chem & Ecotoxicol, Beijing 100085, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100190, Peoples R China
3.Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remed, CAS, Yantai 264003, Shandong, Peoples R China
4.Chinese Acad Sci, Yantai 264003, Shandong, Peoples R China
5.Tsinghua Univ, Tsinghua Shenzhen Int Grad Sch, Inst Environm & Ecol, Shenzhen 5518055, Peoples R China
6.[Li, Wei
7.Shandong Univ, Sch Control Sci & Engn, Inst Biomed Engn, Jinan 250061, Peoples R China
8.Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Atmospher Boundary Layer Phys & Atm, Beijing 100029, Peoples R China
Recommended Citation
GB/T 7714
Zuo, Peijie,Zong, Zheng,Zheng, Bo,et al. New Insights into Unexpected Severe PM2.5 Pollution during the SARS and COVID-19 Pandemic Periods in Beijing[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2021,322:-.
APA Zuo, Peijie.,Zong, Zheng.,Zheng, Bo.,Bi, Jianzhou.,Zhang, Qinghua.,...&Jiang, Guibin.(2021).New Insights into Unexpected Severe PM2.5 Pollution during the SARS and COVID-19 Pandemic Periods in Beijing.ENVIRONMENTAL SCIENCE & TECHNOLOGY,322,-.
MLA Zuo, Peijie,et al."New Insights into Unexpected Severe PM2.5 Pollution during the SARS and COVID-19 Pandemic Periods in Beijing".ENVIRONMENTAL SCIENCE & TECHNOLOGY 322(2021):-.
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