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| 1 | Pathological evidence for residual SARS-CoV-2 in pulmonary tissues of a ready-for-discharge patient显示文摘Dear Editor,SARS-CoV-2,a novel coronavirus and causing COVID-19,has given rise to a worldwide pandemic.1,2 So far,tens of thousands of COVID-19 patients have been clinically cured and discharged,but multiple COVID-19 cases showed SARS-CoV-2 positive again in discharged patients,3 which raises an attention for the discharged patients.Also,there is an urgent need to understand the pathogenesis of SARS-CoV-2 infection.Here,we conducted postmortem pathologic study in a ready-fordischarge COVID-19 patient who succumbed to sudden cardiovascular accident.Pathological examination revealed SARSCoV-2-viruses remaining in pneumocytes and virus-caused pathological changes in the lungs.Our study provided new insights into SARS-CoV-2 pathogenesis and might facilitate the improvement of clinical guideline for virus containment and disease management. | Xiao-Hong Yao Zhi-Cheng He Ting-Yuan Li Hua-Rong Zhang Yan Wang Huaming Mou Qiaonan Guo Shi-Cang Yu Yanqing Ding Xindong Liu Yi-Fang Ping Xiu-Wu Bian | 2020 | Cell Research2020，30，6： | 35 |
| 2 | Genome-wide analysis of microRNAs induced and regulated by colchicine in mulberry显示文摘A variety of plants were colchicine treated to double their chromosome number.Chromosomes are genetic carriers that determine the individual traits of organisms.The doubling of chromosomes will lead to modifications in plant morphology,physiology and genetics.To determine the response of mulberry trees induced by colchicine,using mulberry variety Yu-711 leaves as research materials,two small RNA libraries(control and experimental groups)were constructed.It was found that 45 known miRNA genes and 78 predicted novel miRNA genes in the sequence results.A comparison of data between the control group and the experimental group revealed 37 differentially expressed miRNA genes,19 genes of which were up-regulated and 18 genes of which were down-regulated.Eight miRNAs were selected from 37 differentially expressed miRNA genes.These miRNAs were verified by quantitative real-time PCR,and the expression levels of these miRNAs were found to be consistent with those obtained by sequencing,which proved the accuracy of sequencing results.The PsRNATarget software was used to predict the target genes of 8 miRNAs.The Gene Ontology and Kyoto Encycopedia of Genes and Genomes analysis were used to collect the functions of target genes and confirm that target genes are mainly involved in biological processes,cell components and molecular functions.novel-77 miRNA was selected from 37 differentially expressed miRNAs.What will serve as a fundamental data in understanding mulberry miRNAs function in molecular biology research and further provides the molecular mechanism of mulberry gene regulation as induced by colchicine is that the prediction of novel_77 precursor sequence and the target gene(XM_010104258.2),as well as the secondary structure analysis. | MENGMENG WU PENG GUO YISU SHI DANYAN ZHENG QIAONAN ZHANG XIN JIN YUHUA WANG QIANG LIN RONGJUN FANG WEIGUO ZHAO | 2022 | BIOCELL2022，46，8： | 0 |
| 3 | Response of MaHMA2 gene expression and stress tolerance to zinc stress in mulberry(Morus alba L.)显示文摘HMA2(heavy metal ATPase 2)plays a crucial role in extracellular and intracellular Zn^(2+)transport across biomembranes,maintaining ion homeostasis,and playing an important role in the normal physiological metabolism,growth,and development of plants.In our study,a novel HMA2 gene,named MaHMA2,was isolated and cloned from white mulberry(Morus alba L.).The gene sequence obtained was 1,342 bp long,with an open reading frame of 1,194 bp,encoding a protein of 397 amino acids,with a predicted molecular mass of 42.852 kD and an isoelectric point of 7.53.This protein belonged to the PIB-type ATPase transport protein family.We analyzed the expression of the MaHMA2 gene by quantitative real-time PCR.The results showed that the level of MaHMA2 gene expression decreased to a Zn concentration of 800 mg/kg.Malondialdehyde and proline levels increased and responded to increasing Zn when the MaHMA2 gene was silenced,whereas the activities of peroxidase and superoxide dismutase tended to increase in response to increasing Zn^(2+)ion stress concentrations but were lower in the gene-silenced plants.These findings suggested that the MaHMA2 gene played an active role in the tolerance response of mulberry to Zn stress. | LEI WANG QIUXIA DU YISU SHI MICHAEL ACKAH PENG GUO DANYAN ZHENG MENGMENG WU XIN JIN PEILAN LI QIAONAN ZHANG RUIXUE LI ZHI YIN MENGDI ZHAO WEIGUO ZHAO | 2022 | BIOCELL2022，46，10： | 0 |
| 4 | Evaluation of Product Placement with Attention on Eye-Tracking and EEG显示文摘Advertising evaluation can not only evaluate the subconscious behavior of consumers and help consumers to avoid irrational consumption,but also improve the utilization of advertising resources.To deal with this topic,electroencephalogram(EEG)data and eye movement data from18 subjects is collected.The power spectra of beta band and theta band are used to calculate the EEG attention index,while the eye attention index is calculated by the statistics at fixation on the interesting area.Therefore the fusion attention index is obtained by fusing the EEG signal and eye movement data in the feature level.The results indicate that the memory of the advertisements is synced up with the attention of the products.And the fusion attention index has a higher significant difference than the other two indexes. | Wanzeng Kong Xinyu Zhang Luyun Wang Qiaonan Fan Yuanming Dai Yunxi Miao | 2019 | Journal of Beijing Institute of Technology2019，28，1： | 0 |
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