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| 1 | Transmission Dynamics of an Outbreak of the COVID-19 Delta Variant B.1.617.2——Guangdong Province,China,May-June 2021显示文摘On May 21,2021,a local case of coronavirus disease 2019(COVID-19)was confirmed in a 75-year-old woman(experienced onset of symptoms on May 18)in Liwan District,Guangzhou City,Guangdong Province,China.The number of infections has increased in the following 10 days and led to 5 generations of transmission. | Meng Zhang Jianpeng Xiao Aiping Deng Yingtao Zhang Yali Zhuang Ting Hu Jiansen Li Hongwei Tu Bosheng Li Yan Zhou Jun Yuan Lei Luo Zimian Liang Youzhi Huang Guoqiang Ye Mingwei Cai Gongli Li Bo Yang Bin Xu Ximing Huang Yazun Cui Dongsheng Ren Yanping Zhang Min Kang Yan Li | 2021 | China CDC weekly2021，3，27： | 51 |
| 2 | Isolation and characterization of two genes encoding polygalacturonase-inhibiting protein from Populus deltoides显示文摘Polygalacturonase-inhibiting proteins (PGIPs) are extracellular proteins that belong to the leucine-rich repeat (LRR) protein super-family. PGIPs inhibit fungal polygalacturonases (PGs) and promote accumulation of oligogalacturonides, which activate plant defense responses. PGIPs play important roles in resistance to infection of pathogens. In this study, reverse transcriptase-polymerase chain reac-tion (RT-PCR) and RNA ligase-mediated rapid amplification of cDNA ends (RLM-RACE) were used to isolate the full-length PGIP cDNA from Populus deltoides (GenBank accession no. of PdPGIP2 and PdPGIP4: EF684913 and EF684912). Domain analysis revealed that the deduced amino acid sequences of PdPGIP2 and PdPGIP4 had a typical PGIP topology. Phylogenetic analysis of known PGIPs indicated that the two PdPGIPs were clustered to the defense-related PGIP clade. Using real-time RT-PCR, the expression patterns of the two PdPGIPs following treatment with a fungal pathogen and defense-related signaling molecules were studied. The expression levels of PdPGIP2 and PdPGIP4 were both up-regulated when inoculated with the phytopathogenic fungus Marssonina brunnea. Therefore, it was proposed that the two PGIPs might be involved in the resistance to Marssonina brunnea in P. deltoides. | Qiang Cheng Youzhi Cao Huixin Pan Mingxiu Wang Minren Huang | 2008 | Journal of Genetics and Genomics2008，35，10： | 8 |
| 3 | Clinical characteristics and vaccine effectiveness against SARS-CoV-2 Omicron subvariant BA.2 in the children显示文摘Dear Editor,The Omicron variant of severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)has rapidly replaced the Delta variant as a dominating SARS-CoV-2 variant because of natural selection,which favors the variant with higher infectivity and stronger vaccine breakthrough ability.1 Among three lineages BA.1(B.1.1.529.1),BA.2(B.1.1.529.2),and BA.3(B.1.1.529.3)of Omicron,BA.2 is rising rapidly worldwide since January 2022 and become a new dominating“variant of concern”in China.2 With the current surge in Omicron in China,both the absolute number of children hospitalized with COVID-19 and the percentage of total COVID-19 hospitalizations have been boosting recently.Understanding the clinical characteristics of SARS-CoV-2 Omicron subvariant BA.2 in children and the protective effect of vaccines is of great help for epidemic prevention strategies.However,so far no sufficient experimental data have been reported about infectivity,disease severity,vaccine breakthrough capability,and antibody resistance from pediatric BA.2. | Xiaohe Li Liwen Wu Youzhi Qu Mengli Cao Jiaqi Feng Hua Huang Yi Liu Hongzhou Lu Quanying Liu Yingxia Liu | 2022 | Signal Transduction and Targeted Therapy2022，7，7： | 0 |
| 4 | Enhancing the performance of organic solar cells by modification of cathode with a self-assembled monolayer of aromatic organophosphonic acid显示文摘We use a single-molecule self-assembled layer of an aromatic organophosphonic acid(2PACz) to modify the cathode interface layer in inverted organic solar cells(OSCs). The modified OSCs not only have an obvious improvement in power conversion efficiency(PCE), but also demonstrate greatly enhanced air stability. Ultraviolet photoelectron spectroscopy shows that the work function of cathode interlayer after modification by 2PACz is more suitable for electron extraction. In addition, the surface energy is reduced without affecting the film deposition, which will be beneficial to reduce the interfacial traps. As a result,the PCE of OSCs based on the PBDB-T:IT-M system is increased, and its stability in air is greatly improved(remaining 88% of its initial PCE after 555 h in air). Therefore, we provide a new strategy for constructing high-performance non-fullerene OSCs with enhanced air stability. | Wenlong Liu Hao Lu Yan Zhang Hao Huang Xinming Zheng Yahui Liu Youzhi Wu Xinjun Xu | 2023 | Chinese Chemical Letters2023，34，4： | 0 |
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