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| 1 | Genome editing in plants with MAD7 nuclease显示文摘MAD7 is an engineered nuclease of the Class 2 type V-A CRISPR-Cas(Cas12 a/Cpf1)family with a low level of homology to canonical Cas12 a nucleases.It has been publicly released as a royalty-free nuclease for both academic and commercial use.Here,we demonstrate that the CRISPR-MAD7 system can be used for genome editing and recognizes T-rich PAM sequences(YTTN)in plants.Its editing efficiency in rice and wheat is comparable to that of the widely used CRISPR-Lb Cas12 a system.We develop two variants,MAD7-RR and MAD7-RVR that increase the target range of MAD7,as well as an M-AFID(a MAD7-APOBEC fusion-induced deletion)system that creates predictable deletions from 50-deaminated Cs to the MAD7-cleavage site.Moreover,we show that MAD7 can be used for multiplex gene editing and that it is effective in generating indels when combined with other CRISPR RNA orthologs.Using the CRISPR-MAD7 system,we have obtained regenerated mutant rice and wheat plants with up to 65.6%efficiency. | Qiupeng Lin Zixu Zhu Guanwen Liu Chao Sun Dexing Lin Chenxiao Xue Shengnan Li Dandan Zhang Caixia Gao Yanpeng Wang Jin-Long Qiu | 2021 | Journal of Genetics and Genomics2021,48,6: | 4 |
| 2 | Control measures during the COVID-19 outbreak reduced the transmission of hand,foot,and mouth disease显示文摘Control measures during the coronavirus disease 2019(COVID-19)outbreak may have limited the spread of infectious diseases.This study aimed to analyze the impact of COVID-19 on the spread of hand,foot,and mouth disease(HFMD)in China.A mathematical model was established to fit the reported data of HFMD in six selected cities in China's Mainland from 2015 to 2020.The absolute difference(AD)and relative difference(RD)between the reported incidence in 2020,and simulated maximum,minimum,or median incidence of HFMD in 2015-2019 were calculated.The incidence and R effof HFMD have decreased in six selected cities since the outbreak of COVID-19,and in the second half of 2020,the incidence and R effof HFMD have rebounded.The results show that the total attack rate(TAR)in 2020 was lower than the maximum,minimum,and median TAR fitted in previous years in six selected cities(except Changsha City).For the maximum,median,minimum fitted TAR,the range of RD(%)is 42·20-99·20%,36·35-98·41%48·35-96·23%(except Changsha City)respectively.The preventive and control measures of COVID-19 have significantly contributed to the containment of HFMD transmission. | Yan Niu Li Luo Jia Rui Shiting Yang Bin Deng Zeyu Zhao Shengnan Lin Jingwen Xu Yuanzhao Zhu Yao Wang Meng Yang Xingchun Liu Tianlong Yang Weikang Liu Peihua Li Zhuoyang Li Chan Liu Jiefeng Huang Tianmu Chen | 2021 | Journal of Safety Science and Resilience2021,2,2: | 3 |
| 3 | Enhancing recovery and sensitivity studies in an unconventional tight gas condensate reservoir显示文摘The recovery factor from tight gas reservoirs is typically less than 15%, even with multistage hydraulic fracturing stimulation. Such low recovery is exacerbated in tight gas condensate reservoirs, where the depletion of gas leaves the valuable condensate behind. In this paper, three enhanced gas recovery(EGR) methods including produced gas injection,CO_2 injection and water injection are investigated to increase the well productivity for a tight gas condensate reservoir in the Montney Formation, Canada. The production performance of the three EGR methods is compared and their economic feasibility is evaluated. Sensitivity analysis of the key factors such as primary production duration, bottom-hole pressures,and fracture conductivity is conducted and their effects on the well production performance are analyzed. Results show that, compared with the simple depletion method, both the cumulative gas and condensate production increase with fluids injected. Produced gas injection leads to both a higher gas and condensate production compared with those of the CO_2 injection, while waterflooding suffers from injection difficulty and the corresponding low sweep efficiency. Meanwhile, the injection cost is lower for the produced gas injection due to the on-site available gas source and minimal transport costs,gaining more economic benefits than the other EGR methods. | Min Wang Shengnan Chen Menglu Lin | 2018 | Petroleum Science2018,15,2: | 2 |
| 4 | Salt-tolerant mechanism of marine Aspergillus niger cellulase cocktail and improvement of its activity显示文摘The cellulase cocktail produced by marine Aspergillus niger exhibits a property of salt-tolerance,which is of great potential in cellulose degradation in high salt environment.In order to explain the mechanism on the salttolerance of the cellulase cocktail produced by marine A.niger,six cellulase components(AnCel6,AnCel7A,AnCel7B,AnEGL,AnBGL1 and AnBGL2)were obtained by directed expression.Studies on their enzymatic properties revealed that oneβ-glucosidase(AnBGL2)and one endoglucanase(AnEGL)exhibited an outstanding salttolerant property,and one cellobiohydrolase(AnCel7B)exhibited a certain salt-tolerant property.Subsequent study revealed that the salt-tolerant An EGL and AnCel7B endowed the cellulase cocktail with stronger salttolerant property,while the salt-tolerant An BGL2 had no positive effect.Moreover,after overexpression of AnCel6,AnCel7A,AnCel7B and AnEGL,the activity of cellulase cocktail increased by 80%,70%,63%and 68%,respectively.However,the activity of cellulase cocktail was not improved after overexpression of AnBGL1 and AnBGL2.After mixed-strain fermentation with cellobiohydrolase recombinants(cel6 a,cel7a and cel7b recombinants)and endoglucanase recombinant(egl recombinant),the the activity of cellulase cocktail increased by 114%,102%and91%,respectively. | Linian Cai Shengnan Xu Tao Lu Dongqiang Lin Shanjing Yao | 2020 | Chinese Journal of Chemical Engineering2020,28,4: | 2 |
| 5 | Replanting of broadleaved trees alters internal nutrient cycles of native and exotic pines in subtropical plantations of China显示文摘Background:The replanting of broadleaved trees in pure coniferous plantations is widely implemented,as mixed plantations are generally more stable and functional.However,the effect of interspecific interactions between broadleaved and coniferous trees on internal nutrient cycles of conifers remains unclear.Methods:We selected pure coniferous plantations of a native(Pinus massoniana)and an exotic(P.elliottii)pine species and their corresponding mixed plantations with broadleaved trees(Schima superba)in subtropical China,and measured the nitrogen(N)and phosphorus(P)contents in the rhizosphere soils,fine roots,twigs,needles and needle litter of pines.We calculated the root capture,needle resorption and translocation of N and P by pines to determine the mobility of nutrients in trees.Results:Although the N and P in the rhizosphere soils increased due to the replanting of broadleaved trees,the N and P contents in the aboveground tissues of the two pine species did not increase in mixed plantations.Mixed planting had a negative effect on the N and P capture of native pine and a positive effect on that of exotic pine.The N and P resorption efficiencies increased in native pine but were unchanged in exotic pine after the replanting of S.superba.Native pine preferentially employed an aboveground nutrient resorption strategy,whereas exotic pine tended to adopt a belowground nutrient capture strategy after replanting.Translocation of N and P in trees was detected,which reflected the trade-offs between root nutrient capture and needle nutrient resorption.Conclusions:The effect of mixed planting varied between the species of native and exotic pines,and the internal nutrient cycles of both pine species might be dominated by interspecific interaction effects on nutrients rather than soil nutrients.Our study highlights the importance of selecting suitable broadleaved species for replanting in coniferous plantations. | Yong Lin Chengkang Xia Gaoyang Wu Fangchao Wang Shengnan Wang Yuanqiu Liu Fusheng Chen | 2022 | Forest Ecosystems2022,9,5: | 2 |
| 6 | Doping Strategy in Nickel-Rich Layered Oxide Cathode for Lithium-Ion Battery显示文摘Ni-rich layered oxides have been regarded as the most promising cathode material for next-generation high energy density Li-ion batteries because of their advantages in capacity and cost.However,these cathodes suffer from irreversible structural degradation,fast capacity attenuation as well as seriously reduced safety in their practical applications.Doping strategies with different elements have been employed to address the above issues.In this review,we summarize the research advances of the elemental doping in a Ni-rich layered oxide cathode.The experimental methods and dopant selection rules are briefly introduced.Then we discuss here the effects of the elemental doping from the aspects of the crystal lattice,electronic structure,nanomorphology,and surface stability.In addition,this review surveys the first-principles calculation and advanced structural characterization techniques,which have played important roles in elucidating the structure-performance correlations.Finally,perspectives regarding the future of doping strategy are given. | Jiayi Wang Xincheng Lei Shengnan Guo Lin Gu Xin Wang Aiping Yu Dong Su | 2023 | Renewables2023,1,3: | 1 |
| 7 | Nitric oxide participates in the regulation of LeCBF1 gene expression and improves cold tolerance in harvested tomato fruit显示文摘 | Ruirui Zhao Jiping Sheng Shengnan Lv Yang Zheng Jian Zhang Mengmeng Yu Lin Shen | 2011 | Postharvest Biology and Technology2011,,2: | 1 |
| 8 | pulmonary heart disease with coronary artery disease Analysis 显示文摘 | Lin Zhongwen Wu Sheng standard Wu Shengnan etc | 2010 | Clinical Cardiology2010,17,2: | 1 |
| 9 | Ethylene and cold participate in the regulation of LeCBF1 gene expression in postharvest tomato fruits显示文摘 | Danying Zhao Lin Shen Bei Fan Mengmeng Yu Yang Zheng Shengnan Lv Jiping Sheng | 2009 | FEBS Letters2009,,20: | 1 |
| 10 | Nitric oxide participates in the regulation of LeCBF1 gene expression and improves cold tolerance in harvested tomato fruit显示文摘 | Ruirui Zhao Jiping Sheng Shengnan Lv Yang Zheng Jian Zhang Mengmeng Yu Lin Shen | 2011 | Postharvest Biology and Technology2011,,: | 1 |
| 11 | Illumination-dependent free carrier screening effect on the performance evolution of ZnO piezotronic strain sensor显示文摘ZnO optoelectronic 设备的表演调整广泛地面对合适的压电的极化费用被报导了,而相对更少的工作关于对 piezotronics 的 photoexcitation 的影响被执行了。在这研究,我们试验性地调查了 ZnO piezotronic 种类传感器的表演进化在下面各种各样 365 nm 紫外照耀密度。设备证明 200 在没有照明下面并且在 0.53% 压缩紧张,和反应下面预定的 ~ 的反应比率是约 0.3 s。然而,巨大的表演降级随照明密度的增加被观察,它在免费电子集中和 Schottky 障碍高度被归因于紫外调制变化。增加的搬运人密度加强屏蔽效果,这样, piezo 极化费用的调整能力变弱,这被观察。同时,在紫外照明下面在接口修正行为的恶化也使受危险设备性能。 | Pei Lin Yousong Gu Xiaoqin Yan Shengnan Lu Zheng Zhang Yue Zhang | 2016 | Nano Research2016,9,4: | 1 |
| 12 | Effects of Cu on metabolisms and enzyme activities of microbial communities in the process of composting显示文摘 | Xingliang Guo Jie Gu Hua Gao Qingjun Qin Zhixue Chen Li Shao Lin Chen Hailong Li Weijuan Zhang Shengnan Chen Jiang Liu | 2012 | Bioresource Technology2012,,: | 1 |
| 13 | A protein-enabled protective film with functions of self-adapting and anion-anchoring for stabilizing lithium-metal batteries显示文摘Practical implementations of rechargeable lithium(Li)metal batteries have long been plagued by multiple problems of Li anode,such as Li dendrite growth,large volume change,low Coulombic efficiency.Here,we report a protein-enabled film that can provide effective protection for Li metal.The protective film with an integrated design of high flexibility,strong adhesion and high Li-ion transference number(0.80)is fabricated by incorporating denatured zein(corn protein)with polyethylene oxide(PEO)acting as an age nt for sustaining the denatured protein chains against refolding via the intermolecular interactions between them.Thus,a conformable zein-enabled protective film(zein@PEO)with simultaneous en hancement in flexibility,modulus and adhesion strength is gen erated to offer both functi ons of self-adapting and anion-anchoring abilities.The results show that the zein@PEO film is able to accommodate the volume change,reduce the side reactions,and homogenize the ion deposition.Benefiting from these significant properties/fu nctions,the Li/Cu cell with the zein@PEO film delivers prolonged cycle life for over 500 hours with stable performance.Paired with LiMn_(2)O_(4) cathode,the capacity,cycle stability and rate performance of the cell are remarkably improved as well,demonstrati ng the effectiveness in stabilizing Li metal batteries. | Chenxu Wang Xuewei Fu Shengnan Lin Jin Liu Wei-Hong Zhong | 2022 | Journal of Energy Chemistry2022,31,1: | 1 |
| 14 | Pulmonary heart disease with coronary artery disease Analysis 显示文摘 | Lin Zhongwen Wu Sheng standard Wu Shengnan | 2013 | Clinical Cardiol- ogy2013,17,2: | 1 |
| 15 | An ultrapotent RBD-targeted biparatopic nanobody neutralizes broad SARS-CoY-2 variants显示文摘The wide transmission and host adaptation of SARS-CoV-2 have led to the rapid accumulation of mutations,posing significant challenges to the effectiveness of vaccines and therapeutic antibodies.Although several neutralizing antibodies were authorized for emergency clinical use,convalescent patients derived natural antibodies are vulnerable to SARS-CoV-2 Spike mutation. | Xiaojing Chi Xinhui Zhang Shengnan Pan Yanying Yu Yujin Shi Tianli Lin Huarui Duan Xiuying Liu Wenfang Chen Xuehua Yang Lan Chen Xiaoqian Dong Lili Ren Qiang Ding Jianwei Wang Wei Yang | 2022 | Signal Transduction and Targeted Therapy2022,7,3: | 1 |
| 16 | Dynamic and adaptive membrane lipid remodeling in leaves of sorghum under salt stress显示文摘Salt stress limits plant growth and development.In this study,changes in membrane lipids were investigated in leaves of sorghum seedlings subjected to salt stress(150 mmol L^(-1)NaCl).Galactolipids(DGDG and MGDG)accounted for more than 65%of the total glycerolipids in sorghum leaves.The predominance of C36 molecular species in MGDG suggested that sorghum is an 18:3 plant.Under Na Cl treatment,the content of major phospholipids(PC and PE)increased,accompanied by the activation of their metabolism pathways at the transcriptional level.In contrast,the proportion of MGDG and PG dropped drastically,leading to a decreased ratio of plastidic to non-plastidic lipids.An adjustment of glycerolipid pathway between the cytosolic and plastidic compartments was triggered by salt stress,as reflected by the increased conversion of PC to PA,providing precursors for galactolipid synthesis.The elevated DGDG resulted in increased DGDG/MGDG and bilayer/non-bilayer lipid ratios.The double-bond index of PC,PE,and DGDG increased markedly,evidently owing to the increased expression of FAD3 and FAD8.These findings will be helpful for understanding dynamic membrane lipid changes and adaptive lipid remodeling in sorghum response to salt stress. | Shengnan Ge Debin Liu Min Chu Xinyu Liu Yulei Wei Xinyang Che Lei Zhu Lin He Jingyu Xu | 2022 | The Crop Journal2022,10,6: | 0 |
| 17 | Precise design strategies of nanomedicine for improving cancer therapeutic efficacy using subcellular targeting显示文摘Therapeutic efficacy against cancer relies heavily on the ability of the therapeutic agents to reach their final targets.The optimal targets of most cancer therapeutic agents are usually biological macromolecules at the subcellular level,which play a key role in carcinogenesis.Therefore,to improve the therapeutic efficiency of drugs,researchers need to focus on delivering not only the therapeutic agents to the target tissues and cells but also the drugs to the relevant subcellular structures.In this review,we discuss the most recent construction strategies and release patterns of various cancer cell subcellular-targeting nanoformulations,aiming at providing guidance in the overall design of precise nanomedicine.Additionally,future challenges and potential perspectives are illustrated in the hope of enhancing anticancer efficacy and accelerating the translational progress of precise nanomedicine. | Xianglei Fu Yanbin Shi Tongtong Qi Shengnan Qiu Yi Huang Xiaogang Zhao Qifeng Sun Guimei Lin | 2020 | Signal Transduction and Targeted Therapy2020,5,1: | 0 |
| 18 | Doping of group IVB elements for nickel-rich cobalt-free cathodes显示文摘Hetero-element doping is a promising strategy to improve the cycling stability of nickel-rich cobalt-free cathodes for the next-generation high energy-density Li ion batteries.To make doping effective,it is important to understand the mechanism of how the dopants regulate the electronic band,lattice parameter adjusting,or hetero-phase formation to achieve high stability.In this study,we investigate LiNi_(0.9)Mn_(0.1)O_(2)cathodes doped with IVB grouping elements via multiple characterization techniques.By utilizing in situ XRD and TEM methods,we found that the stronger Ti-O bond effectively improves the cathode stability via a dual protection mechanism.Specifically,the bulk lattice of cathode is wellpreserved during cycling as a result of the suppressed H_(2)-H_(3)phase transition,while a in situ formed Ti-rich surface layer can prevent continuous surface degradation.As a result,the 5%Ti doped LiNi_(0.9)Mn_(0.1)O_(2)cathode exhibits a high capacity retention of 96%after 100 cycles.Whereas,despite IVB group elements Zr and Hf have stronger bonding energy with oxygen,their larger ionic radii actually impede their diffusion into the cathode,thereby they can not improve the cycling stability.Our findings uncover the functional origin of doped elements with their dynamic modification on cathode structure,providing mechanistic insights into the design of nickel-rich cobalt-free cathodes. | Shengnan Guo Xincheng Lei Jiayi Wang Jie Su Yingying Wang Xiaozhi Liu Pengxiang Ji Kangning Zhao Xuefeng Wang Lin Gu Zhenpeng Yao Dong Su | 2023 | Journal of Energy Chemistry2023,,11: | 0 |
| 19 | Lineage Diversification and Niche Evolution in the Chinese Cobra Naja atra (Elapidae)显示文摘Theroleof nicheevolution(niche conservatism or niche divergence)in lineage diversification is a poorly studied area.The Chinese cobra Naja atra(Elapidae)has diverged into three lineages:Lineage E in eastern China,Lineage S in southern China and Vietnam,and Lineage W in western China.However,whether the ecological niche is conserved or divergent among these three lineages is unknown.In the present study,we used ecological niche models in geographical space to study the ecological differences among lineages.We compared the niche overlap in environmental space to test niche conservatism and niche divergence.Our results showed that the three lineages of N.atra shared an ecological niche space between Lineages E and S/W,with the climatic niches of Lineages S and W representing a specialized fraction of the climatic niche of Lineage E.We speculated that the niche divergence between Lineages S and W was a consequence of geographical barriers limitinggeneflow.Ourstudyprovides evidence for lineage diversification associated with both geographical isolation and climatic niche evolution,suggesting that early niche divergence between Lineages S and W,followed by niche conservatism,causes niche divergence among lineages. | Xiaming ZHU Guanyan ZHU Shengnan ZHANG Yu DU Yanfu QU Longhui LIN Xiang JI | 2022 | Asian Herpetological Research2022,13,4: | 0 |
| 20 | Transcriptome and morphological analyses of double flower formation in Dianthus chinensis显示文摘The double flower developmental process is regulated via a complex transcriptional regulatory network.To understand this highly dynamic and complex developmental process of Dianthus spp.,we performed a comparative analysis of floral morphology and transcriptome dynamics in simple flowers and double flowers.We found that the primordium of double flowers of‘X’was larger in size compared to that of simple flowers of‘L’in Dianthus chinensis.RNA-seq and Weighted Gene Co-expression Network Analysis(WGCNA)during flower development,identified stage-specific gene network modules.Expression analysis by RNA-seq indicated that a group of genes related to floral meristem identity,primordia position and polarity were highly expressed in double flowers genotypes compared to simple flowers genotypes,suggesting their roles in double-petal formation.A total of 21 DEGs related to petal number were identified between simple and double flowers.The experiments of in situ hybridization revealed that DcaAP2L,DcaLFY and DcaUFO genes were expressed in the intra-sepal boundary and petal boundary.We proposed a potential transcriptional regulatory network for simple and double flower development.This study provides novel insights into the molecular mechanism underlying double flower formation in Dianthus spp. | Xiaoni Zhang Shengnan Lin Quanshu Wu Qijian Wang Chunmei Shi Manzhu Bao Mohammed Bendahmane Xiaopeng Fu Zhiqiang Wu | 2024 | Horticultural Plant Journal2024,10,1: | 0 |