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| 1 | Global Dynamic Molecular Profiling of Stomatal Lineage Cell Development by Single-Cell RNA Sequencing显示文摘The regulation of stomatal lineage cell development has been extensively investigated.However,a comprehensive characterization of this biological process based on single-cell transcriptome analysis has not yet been reported.In this study,we performed RNA sequencing on 12844 individual cells from the cotyledons of 5-day-old Arabidopsis seedlings.We identified 11 cell clusters corresponding mostly to cells at specific stomatal developmental stages using a series of marker genes.Comparative analysis of genes with the highest variable expression among these cell clusters revealed transcriptional networks that regulate development from meristemoid mother cells to guard mother cells.Examination of the developmental dynamics of marker genes via pseudo-time analysis revealed potential interactions between these genes.Collectively,our study opens the door for understanding how the identified novel marker genes participate in the regulation of stomatal lineage cell development. | Zhixin Liu Yaping Zhou Jinggong Guo Jiaoai Li Zixia Tian Zhinan Zhu Jiajing Wang Rui Wu Bo Zhang Yongjian Hu Yijing Sun Yan Shangguan Weiqiang Li Tao Li Yunhe Hu Chenxi Guo Jean-David Rochaix Yuchen Miao Xuwu Sun | 2020 | Molecular Plant2020，13，8： | 11 |
| 2 | Activated graphene with tailored pore structure parameters for long cycle-life lithium-sulfur batteries显示文摘 | Mingbo Zheng Songtao Zhang Shuangqiang Chen Zixia Lin Huan Pang Yan Yu | 2017 | Nano Research2017，10，12： | 4 |
| 3 | THD Analysis of High Speed Heavily loaded Journal Bearings Including Thermal Deformation, Mass Conserving Cavitation, and Turbulent Effects 显示文摘 | Chan Zhang Zixia Yi Zhiming Zhang | 2000 | ASME J Tribo12000，122，： | 1 |
| 4 | Skilled doctors in tertiary hospitals are al- ready overworked in China显示文摘 | Yinhuan Hu Zixia Zhang | 2015 | Lancet Global Health2015，3，12： | 1 |
| 5 | THD Analysis of High Speed Heavily Loaded Journal Bearings Including Thermal De-formation,and Turbulent Effects显示文摘 | Zhang Chao Yi Zixia Zhang Zhiming | | 0，，： | 1 |
| 6 | PARP-1 inhibitors enhance the chemosensitivity of leukemia cells by attenuating NF-κB pathway activity and DNA damage response induced by Idarubicin显示文摘Idarubicin(IDA),an anthracycline antineoplastic drug,is commonly used in the treatment of acute myeloid leukemia(AML)with reasonable response rates and clinical benefits.However,some patients still relapse,or do not respond,and suffer high fatality rates.Recent studies have shown that overexpression of PARP-1 may represent an important risk factor in AML patients.The aim of the present study was to determine the underlying molecular mechanisms by which the PARP-1 inhibitor Olaparib enhances the chemosensitivity of the leukemia cell line K562 and THP1 to IDA.Our data demonstrated that PARP-1 is upregulated in AML patients as well as in K562 and THP1 cells,and that the suppression of PARP-1 activity by Olaparib enhances the inhibitory effect of IDA.A mechanistic study revealed that Olaparib decreases the expressions of p-ATM,p-IκBα,XIAP and p65,and upregulates Bax,cleaved-Caspase-3 andγ-H2AX.Olaparib can enhance the induction of DNA damage by IDA,probably mediated by the inhibition of the ATM-related DNA damage response.Moreover,we also found that the nuclear translocation of p65 and the nuclear export of NEMO are inhibited when IDA and Olaparib are combined.Our results suggest that Olaparib attenuates the activity of the NF-κB pathway and decreases the DNA damage response induced by IDA.Therefore,we conclude that Olaparib is a potentially valuable chemosensitizer for leukemia patients. | Bo Ke Anna Li Huan Fu Chunfang Kong Tingting Liu Qingqing Zhu Yue Zhang Zixia Zhang Chen Chen Chenghao Jin | 2022 | Acta Biochimica et Biophysica Sinica2022，54，1： | 1 |
| 7 | The Effect of Two Factor Combination of Three Kinds of Loading on the Soil Clogging in Vertical Flow Constructed Wetland显示文摘 | Qiaoling Xu Lihua Cui Ling Zhang Zixia Li Guangwei Yu | 2013 | 环境科学前沿(中英文版)2013，2，4： | 0 |
| 8 | Alternative splicing of POUM2 regulates embryonic cuticular formation and tanning in Bombyx mori显示文摘Insect cuticle is an apical extracellular matrix produced by the epidermis,tracheal,hind-and foregut epithelia during embryogenesis and renewed during molting and metamorphosis.However,the underlying regulatory mechanism for embryonic cuticle formation remains largely unclear.Here,we investigate the function of the transcription factor POUM2 in the embryonic cuticular formation in Bombyx mori,a model lepidopteran insect.Clustered regularly interspaced palindromic repeats(CRISPR)/CRISPR-associated protein-9-mediated knockout of POUM2 resulted in the defect of cuticular deposition,pigmentation,and sclerotization in the embryos.Differentially expressed transcripts analysis of 7-d-old embryos identified 174 up-or downregulated cuticular protein transcripts,8 upregulated chitin degradation transcripts,2 downregulated chitin synthesis transcripts and 48 up-or downregulated transcription factor transcripts in the POUM2−/−embryos.The expression levels of the key factors of the tyrosine metabolic pathway,such as tyrosine hydroxylase(Th),Dopa decarboxylase(DDC),and arylalkylamine N-acetyltransferase(aaNAT),were significantly decreased in the POUM2−/−embryos.POUM2 isoform POUM2-L specifically bound the POU cis-regulatory element(CRE)in the Th promoter and increased the transcription of Th,whereas POUM2-S could not bind the POU CRE,although it also increased the transcription of Th.Heterogeneous nuclear ribonucleoprotein Squid-1 directly bound the POUM2 pre-mRNA(messenger RNA)and inhibited the alternative splicing of POUM2-L to POUM2-S mRNA.These results suggest that POUM2 participates in the cuticular formation by regulating the chitin and cuticular protein synthesis and metabolism,and the cuticular pigmentation and sclerotization by regulating tyrosine metabolism during embryogenesis.This study provides new insights into novel function of POUM2 in embryogenesis. | Chunmei Tong Kang Zhang Zixia Rong Wanyu Mo Yuling Peng Sichun Zheng Qi-Li Feng Huimin Deng | 2023 | Insect Science2023，30，5： | 0 |
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