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| 1 | Synthesis and properties of phosphorus-containing bio-based epoxy resin from itaconic acid显示文摘A phosphorus-containing bio-based epoxy resin(EADI)was synthesized from itaconic acid(IA)and 9,10-dihydro-9-oxa-10-phosphaphenanthrene 10-oxide(DOPO).As a matrix,its cured epoxy network with methyl hexahydrophthalic anhydride(MHHPA)as the curing agent showed comparable glass-transition temperature and mechanical properties to diglycidyl ether in a bisphenol A(DGEBA)system as well as good flame retardancy with UL94 V-0 grade during a vertical burning test.As a reactive flame retardant,its flame-resistant effect on DGEBA/MHHPA system as well as its influence on the curing behavior and the thermal and mechanical properties of the modified epoxy resin were investigated.Results showed that after the introduction of EADI,not only were the flame retardancy determined by vertical burning test,LOI measurement,and thermogravimetric analysis significantly improved,but also the curing reactivity,glass transition temperature(T g),initial degradation temperature for 5%weight loss(T d(5%)),and flexural modulus of the cured system improved as well.EADI has great potential to be used as a green flame retardant in epoxy resin systems. | MA SongQi LIU XiaoQing JIANG YanHua FAN LiBo FENG JianXiang ZHU Jin | 2014 | Science China Chemistry2014，57，3： | 33 |
| 2 | Discrimination of abiogenic and biogenic alkane gases显示文摘We have combined the analytical data of the carbon isotope distribution pattern, R/Ra and CH4/3He values of abiogenic and biogenic (referring to the thermogenic and bacterial or microbial) alkane gases in China with those of alkane gases from USA, Russia, Germany, Australia and other countries. Four discrimination criteria are derived from this comparative study: 1) Carbon isotopic composition is generally greater than -30‰ for abiogenic methane and less than -30‰ for biogenic methane; 2) Abiogenic alkane gases have a carbon isotopic reversal trend (δ 13C1> δ 13C2> δ 13C3> δ 13C4) with δ 13C1>-30‰ in general; 3) Gases with R/Ra >0.5 and δ 13C11 δ 13C2>0 are of abiogenic origin; 4) Gases (meth- ane) with CH4/3He≤106 are of abiogenic origin, whereas gases with CH4/3He≥1011 are of biogenic origin. | DAI JinXing ZOU CaiNeng ZHANG ShuiChang LI Jian NI YunYan HU GuoYi LUO Xia TAO ShiZhen ZHU GuangYou MI JingKui LI ZhiSheng HU AnPing YANG Chun ZHOU QingHua SHUAI YanHua ZHANG Ying MA ChengHua | 2008 | Science China Earth Sciences2008，51，12： | 17 |
| 3 | Selective transmission and channel estimation in massive MIMO systems显示文摘Massive MIMO systems have got extraordinary spectral efficiency using a large number of base station antennas,but it is in the challenge of pilot contamination using the aligned pilots.To address this issue,a selective transmission is proposed using time-shifted pilots with cell grouping,where the strong interfering users in downlink transmission cells are temporally stopped during the pilots transmission in uplink cells.Based on the spatial characteristics of physical channel models,the strong interfering users are selected to minimize the inter-cell interference and the cell grouping is designed to have less temporally stopped users within a smaller area.Furthermore,a Kalman estimator is proposed to reduce the unexpected effect of residual interferences in channel estimation,which exploits both the spatial-time correlation of channels and the share of the interference information.The numerical results show that our scheme significantly improves the channel estimation accuracy and the data rates. | 杨睿哲 Zong Liang Si Pengbo Ma Dawei Zhang Yanhua | 2016 | High Technology Letters2016，22，1： | 5 |
| 4 | A post-GWAS confirming the genetic effects and functional polymorphisms of AGPAT3 gene on milk fatty acids in dairy cattle显示文摘Background: People are paying more attention to the healthy and balanced diet with the improvement of their living standards. Milk fatty acids(FAs) have been reported that they were related to some atherosclerosis and coronary heart diseases in human. In our previous genome-wide association study(GWAS) on milk FAs in dairy cattle, 83 genomewide significant single nucleotide polymorphisms(SNPs) were detected. Among them, two SNPs, ARS-BFGL-NGS-109493 and BTA-56389-no-rs associated with C18 index(P = 0.0459), were located in the upstream of 1-acylglycerol-3-phosphate O-acyltransferase 3(AGPAT3) gene. AGPAT3 is involved in glycerol-lipid, glycerol-phospholipid metabolism and phospholipase D signaling pathways. Hence, it was inferred as a candidate gene for milk FAs. The aim of this study was to further confirm the genetic effects of the AGPAT3 gene on milk FA traits in dairy cattle.Results: Through re-sequencing the complete coding region, and 3000 bp of 5′ and 3′ regulatory regions of the AGPA T3 gene, a total of 17 SNPs were identified, including four in 5′ regulatory region, one in 5′ untranslated region(UTR),three in introns, one in 3′ UTR, and eight in 3′ regulatory region. By the linkage disequilibrium(LD) analysis with Haploview4.1 software, two haplotype blocks were observed that were formed by four and 12 identified SNPs,respectively. Using SAS9.2, we performed single locus-based and haplotype-based association analysis on 24 milk FAs in 1065 Chinese Holstein cows, and discovered that all the SNPs and the haplotype blocks were significantly associated with C6:0, C8:0 and C10:0(P < 0.0001–0.0384). Further, with Genomatix, we predicted that four SNPs in 5′ regulatory region(g.146702957 G > A, g.146704373 A > G, g.146704618 A > G and g.146704699 G > A) changed the transcription factor binding sites(TFBSs) for transcription factors SMARCA3, REX1, VMYB, BRACH, NKX26, ZBED4, SP1, USF1, ARNT and FOXA1. Out of them, two SNPs were validated to impact transcriptional activity by performing luciferase assay that the alleles A of both SNPs, g.146704373 A > G and g.146704618 A > G, increased the transcriptional activities of AGPAT3 promoter compared with alleles G(P = 0.0004).Conclusions: In conclusion, our findings first demonstrated the significant genetic associations of the AGPAT3 gene with milk FAs in dairy cattle, and two potential causal mutations were detected. | Lijun Shi Xin Wu Yuze Yang Zhu Ma Xiaoqing Lv Lin Liu Yanhua Li Feng Zhao Bo Han Dongxiao Sun | 2021 | Journal of Animal Science and Biotechnology2021，12，1： | 3 |
| 5 | Adaptive modification of turbofan engine nonlinear model based on LSTM neural networks and hybrid optimization method显示文摘An accurate and reliable turbofan engine model which can describe its dynamic behavior within the full flight envelop and lifecycle plays a critical role in performance optimization, controller design and fault diagnosis. However, due to the performance differences caused by the tolerance of engine manufacturing and assembly, and performance degradation during continuously stringent environmental regulations, the model accuracy is severely reduced. In this paper, an adaptive modification method of turbofan engine nonlinear Component-Llevel Model(CLM) based on Long Short-Term Memory(LSTM) Neural Network(NN) and hybrid optimization algorithm is pro-posed. First, a dynamic compensator with a combined LSTM NN architecture is constructed to compensate for the initial error between the experimental data and CLM of a turbofan engine under health condition. Then, a sensitivity analysis approach based on the entropy coefficient and technique for order preference by similarity to an ideal solution integrated evaluation is developed to choose the unmeasurable health parameters to be adjusted. Finally, a parallel hybrid optimization algorithm is developed to complete the adaptive model modification when the performance degrades. The proposed method is verified on a military low-bypass twin-spool turbofan engine, and the experimental results show the effectiveness of the proposed method. | Yanhua MA Xian DU Ximing SUN | 2022 | Chinese Journal of Aeronautics2022，35，9： | 3 |
| 6 | Dark current mechanism of unpassivated mid wavelength type II InAs/GaSb superlattice infrared photodetector显示文摘We investigate the dark current mechanism for an unpassivated mid wavelength(MW) type II InAs/GaSb superlattice infrared photodetector by doing the variablearea diode tests. The bulk resistance-area product and the resistivity due to the surface current are determined to be17.72 X cm2 and 704.23 X cm at 77 K, respectively. It is found that for all the mesa sizes used, the dark current is dominated or predominated by the surface component, and with scaling back the mesa size, the surface current increases while the bulk component decreases. The activation energy is determined to be 145 meV for the temperature range around 140–280 K, while it is 6 meV when temperature is below 100 K. It is also found that the dark current is dominated by the generation-recombination current for the MW device when temperature is between140 and 280 K. | Qiong Li Wenquan Ma Yanhua Zhang Kai Cui Jianliang Huang Yang Wei Ke Liu Yulian Cao Weiying Wang Yali Liu Peng Jin | 2014 | Chinese Science Bulletin2014，59，28： | 3 |
| 7 | Smad5 acts as an intracellular pH messenger and maintains bioenergetic homeostasis显示文摘环境暗示和细胞内部的 bioenergetic 状态深刻地影响细胞内部的 pH (pHi ) 。一个房间怎么对 pHi 变化作出回应维持 bioenergetic 动态平衡,留下逃犯。这里,我们显示出那 Smad5,发信号的形态基因的蛋白质(BMP ) 回答到 pHi 的骨头的一个描绘得好的下游的部件变化。冷、基本或张力亢进的条件增加 pHi,它接着在 Smad5 的 MH1 域以内声言不赞成控告的氨基酸簇,推动它到细胞质的从原子核的重定位。在另一方面,加热,酸或张力减退的条件减少 pHi,堵住 Smad5 的原子出口,并且因此引起它的原子累积。环境变化和 pHi 变化导致的 Smad5 的活跃 nucleocytoplasmic shuttling 独立于 BMP 发信号, carboxyl 终点 phosphorylation 和 Smad4。另外, Smad5 的脱离引起在区别识别了的神经发展过程人的 pluripotent 干细胞建模的细胞的 bioenergetic 动态平衡和破坏正常的长期、不可逆的 dysregulation。重要地,在 Smad5 缺乏的房间的这些新陈代谢、发展的赤字能仅仅由细胞质的 Smad5 被救。细胞质的 Smad5 身体上与 hexokinase 交往 1 并且加速 glycolysis。一起,我们的调查结果显示 Smad5 充当一个 pHi 送信人并且由调整细胞质的新陈代谢的机械维持房间的 bioenergetic 动态平衡。 | Yujiang Fang Zhongliang Liu Zhenyu Chen Xiangjie Xu Mengtao Xiao Yanyan Yu Yuanyuan Zhang Xiaobai Zhang Yanhua Du Cizhong Jiang Yuzheng Zhao Yiran Wang Beibei Fan Daniel Terheyden-Keighley Yang Liu Lei Shi Yi Hui Xin Zhang Bowen Zhang Hexi Feng Lin Ma Quanbin Zhang Guohua Jin Yi Yang Bin Xiang Ling Liu Xiaoqing Zhang | 2017 | Cell Research2017，27，9： | 2 |
| 8 | Efficacy of Cigu Xiaozhi pill(慈菇消脂丸) on non-alcoholic steatohepatitis-associated lipoapoptosis through stress-activated c-Jun N-terminal kinase signalling pathway显示文摘OBJECTIVE: To investigate the efficacy of Cigu Xiaozhi pill(慈菇消脂丸, CGXZ) on non-alcoholic steatohepatitis(NASH)-associated lipoapoptosis through the stress-activated c-Jun N-terminal kinase(JNK)/stress-activated protein kinase signalling pathway.METHODS: Sixty male Sprague-Dawley rats were randomly divided into the following groups(10 rats each): blank control, model, low-dose CGXZ,medium-dose CGXZ, high-dose CGXZ, and positive control(treated with SP600125, a JNK inhibitor).The NASH model was established and the histomor-phological characteristics of haematoxylin and eosin-stained liver tissues were examined under a light microscope. Cell apoptosis in liver tissues was assessed via terminal deoxynucleotidyl transferase d UTP nick-end labelling assay. In addition, the m RNA and protein expression levels of p-JNK,p-c-Jun, caspase-8, Fas, and Fas-L were determined via fluorescence-based quantitative real-time PCR,immunohistochemical and Western blot assays.RESULTS: Histopathological examination of the liver showed that the model rats had moderate-to-severe steatosis with infiltration of inflammatory cells as well as significantly higher expression levels of the p-JNK, p-c-Jun, caspase-8, Fas, and Fas-L proteins, compared with those in the blank control group(P < 0.01). Hepatic lobules of the rats in the treatment groups showed significantly reduced vacuolar degeneration and steatosis as well as alleviated inflammatory cell infiltration. The high and medium-dose CGXZ groups exhibited significantly lower m RNA and protein expression levels of p-JNK, p-c-Jun, caspase-8, Fas, and Fas-L, compared with those in the model group(P < 0.05 or P <0.01).CONCLUSION: CGXZ pill inhibited the onset of hepatocyte apoptosis by regulating the expression of p-JNK, p-c-Jun, caspase-8, Fas, and Fas-L, thereby exerting therapeutic effects against NASH. | MA Yanhua YU Chengzu WU Yan HAN Tao YANG Shaojun SHI Xia | 2021 | Journal of Traditional Chinese Medicine2021，41，1： | 2 |
| 9 | Study on Synthesis of Mesoporous M-MCM-48(M=Zr,Mg) and Its Activity for Isomerization of n-Heptane显示文摘The mesoporous materials supported zirconium(Zr-MCM-48) and magnesium(Mg-MCM-48) with three-dimensional pore structures and different Zr or Mg contents were prepared via the hydrothermal method, respectively. The prepared samples were characterized by means of X-ray diffraction(XRD), scanning electron microscope(SEM), transmission electron microscope(TEM), Fourier transform infrared spectroscopy(FT-IR), NH_3 temperature programmed desorption(NH_3-TPD) and N_2 adsorption-desorption. The XRD, TEM and N_2 adsorption-desorption results suggested that M-MCM-48(where M = Zr, Mg) samples still maintained typical cubic mesoporous framework of MCM-48, with slight decrease of specific surface areas and mesopore orders. The isomerization of n-heptane was carried out as a probe reaction at various factors including the zirconium or magnesium content, reaction time, reaction temperature and weight hourly space velocity(WHSV). Preliminary results demonstrated that the Mg-MCM-48 catalyst exhibited a higher catalytic activity with a maximum heptane conversion of 91.5% and a corresponding isomerization selectivity of 72.3% as compared to that of ZrMCM-48. However, the catalytic stability of Mg-MCM-48 for n-heptane isomerization was poorer than Zr-MCM-48, because the Mg-MCM-48 catalyst could maintain a relatively high catalytic activity for only 130 min, while the Zr-MCM-48 catalyst could maintain a relatively high catalytic activity for more than 190 min without any obvious decrease in performance. | Wang Yingjun Dong Xiuli Ma Shoutao Wang Jian Li Xiaoqing Suo Yanhua Zhang Wei | 2018 | China Petroleum Processing & Petrochemical Technology2018，20，3： | 2 |
| 10 | Pre-sodiation strategy for superior sodium storage batteries显示文摘The irreversible consumption of sodium in the initial several cycles greatly led to the attenuation of capacity,which caused the low initial coulombic efficiency(ICE)and obvious poor cycle stability.Presodiation can effectively improve the electrochemical performance by compensating the capacity loss in the initial cycle.Here,carbon-coated sodium-pretreated iron disulfide(NaFeS_(2)@C)has been synthesized through conventional chemical method and used in sodium metal battery as a cathode material.The calculated density of states(DOS)of NaFeS2@C is higher,which implies enhanced electron mobility and improved cycle reversibility.Because of the highly reversible conversion reaction and the compensation of irreversible capacity loss during the initial cycle,the Na/NaFeS_(2)@C battery achieves ultrahigh initial coulombic efficiency(96.7%)and remarkable capacity(751 mA·h·g^(-1) at 0.1 A·g^(-1)).In addition,highly reversible electrochemical reactions and ultra-thin NaF-rich solid electrolyte interphase(SEI)also benefit for the electrochemical performance,even at high current density of 100 A·g^(-1),it still exhibits a reversible capacity of 136 mA·h·g^(-1),and 343 mA·h·g^(-1) after 2500 cycles at 5.0 A·g^(-1).This work aims to bring up new insights to improve the ICE and stability of sodium metal batteries. | Yongkai Xu Haozheng Sun Cunshuang Ma Jingjing Gai Yanhua Wan Weihua Chen | 2021 | Chinese Journal of Chemical Engineering2021，34，11： | 2 |
| 11 | Longwavelength infrared InAs/GaSb superlattice photodetectorswith InSb-like and mixed interfaces显示文摘 | Zhang Yanhua Ma Wenquan Cao Yulian | | 0，，12： | 1 |
| 12 | Narrowband long/very long wavelength two color type II InAs/GaSb superlattice photodetector by changing the bias po-larity显示文摘 | Zhang Yanhua Ma Wenquan Wei Yang | | 0，，17： | 1 |
| 13 | The design of HEPS global timing system显示文摘Purpose The high energy photon source(HEPS)is a 4th generation synchrotron light source under construction by the institute of high energy physics.The accelerator complex consists of a 500-MeV Linac,a full-energy synchrotron booster,a 6-GeV synchrotron storage ring(SR),and three e-beam transport lines for injection and extraction among accelerators.A global timing system(GTS)covers the timing needs for all accelerator,beamline,and experiment systems.The GTS is designed to coordinate the injection processes and various measurements and protections.Most systems require that the RMS jitter of the GTS signal is less than 30 ps,while the trigger jitters for the electron gun and SR injection and extraction kickers are less than 10 ps.Method The HEPS GTS is an event-based timing system based on MicroTCA.4 hardware architecture.The MicroTCA.4300 series products from the micro-research Finland Oy are implemented in the HEPS GTS system.Results and conclusions The RMS jitter,integrated from 1 Hz to 10 MHz,of the 166.6 MHz event clock is 5.489 ps.The RMS jitter of TTL outputs is less than 30 ps.This paper reports the design of the HEPS GTS,which satisfies all of the HEPS physics requirements for timing with preliminary test results shown. | Fang Liu Ge Lei Zhe Duan Cai Meng Chenyan Lu Yanhua Shao Xinpeng Ma Nan Gan Yuemei Peng Jianshe Cao Chungming Chu Yanfeng Sui Jingyi Li IHEP | 2021 | Radiation Detection Technology and Methods2021，5，3： | 1 |
| 14 | A novel colorimetric determination of reduced glutathione in A549 cells based on Fe304 magnetic nanoparticles as peroxidase mimetics显示文摘 | MA Yanhua ZHANG Zhenyang REN Cuiling | 2012 | Analyst2012，137，2： | 1 |
| 15 | Fibers reinforced composite hydrogels with improved lubrication and load-bearing capacity显示文摘Hydrogels as one kind of soft materials with a typical three-dimensional(3D)hydrophilic network have been getting great attention in the field of biolubrication.However,traditional hydrogels commonly show poor tribology performance under high-load conditions because of their poor mechanical strength and toughness.Herein,pure chemical-crosslinking hydrogels mixed with different types of the micron-scale fibers can meet the requirements of strength and toughness for biolubrication materials,meanwhile the corresponding tribology performance improves significantly.In a typical case,three kinds of reinforcement matrix including needle-punched fibers,alginate fibers,and cottons are separately combined with Poly(n-vinyl pyrrolidone)-poly 2-hydroxyethyl methacrylate(PVP-PHEMA)hydrogels to prepare fibers reinforced composite hydrogels.The experimental results show that the mechanical properties of fibers reinforced composite hydrogels improve greatly comparable with pure PVP-PHEMA hydrogels.Among three kinds of fibers reinforced composite hydrogel,the as-prepared composite hydrogels reinforced with needle-punched fibers possess the best strength,modulus,and anti-tearing properties.Friction tests indicate that the fibers reinforced composite hydrogels demonstrate stable water-lubrication performance comparable with pure PVP-PHEMA hydrogels.Besides,the hydrogel-spunlace fiber samples show the best load-bearing and anti-wear capacities.The improved tribology performance of the composite hydrogels is highly related to mechanical property and the interaction between the fibers and hydrogel network.Finally,spunlace fibers reinforced hydrogel materials with high load-bearing and low friction properties are expected to be used as novel biomimetic lubrication materials. | Jiawei LI Luyao GAO Rongnian XU Shuanhong MA Zhengfeng MA Yanhua LIU Yang WU Libang FENG Meirong CAI Feng ZHOU | 2022 | Friction2022，10，1： | 1 |
| 16 | Enhanced visible-light coloration and its mechanism of MoO 3 thin films by Au nanoparticles显示文摘 | Tao He Ying Ma Yaan Cao Yanhua Yin Wensheng Yang Jiannian Yao | 2001 | Applied Surface Science2001，，： | 1 |
| 17 | A critical review of on-site inorganic arsenic screening methods显示文摘Approximately 94 to 220 million people worldwide are at risk of drinking well water containing arsenic > 10 μg/L, the WHO guideline value. To identify non-compliant domestic wells, assess health risks and reduce exposure, accurate and rapid on-site inorganic arsenic screening methods are desirable because all domestic wells worldwide need to be tested.Here, the principles, advantages and limitations of commonly used colorimetry, electrochemistry, and biosensing methods are critically reviewed, with the performance compared with laboratory-based benchmark methods. Most commercial kits are based on the classic Gutzeit reaction. Despite being semi-quantitative, the more recent and more expensive products display improved and acceptable accuracy and shorter testing time (~10 min). Carried out by trained professionals, electrochemical methods are also feasible for on-site analysis, although miniaturization is desirable yet challenging. Biosensing using whole bacterial cells or bio-engineered materials such as aptamers is promising, if incorporated with function specific nanomaterials and biomaterials. Since arsenic is frequently found as arsenite in reducing groundwater and subject to oxidation during sampling, transportation and storage, on-site separation and sample preservation are feasible but the specific methods should be chosen based on sample matrix and tested before use. To eliminate arsenic exposure among hundreds of millions of mostly rural residents worldwide, we call for concerted efforts in research community and regulatory authority to develop accurate, rapid, and affordable tests for on-site screening and monitoring of arsenic in drinking water. Access to affordable testing will benefit people who are socioeconomically disadvantaged. | Yi He Jingyu Liu Yanhua Duan Xiaofei Yuan Lulu Ma Ratan Dhar Yan Zheng | 2023 | Journal of Environmental Sciences2023，，3： | 1 |
| 18 | An elevated platelet-to-lymphocyte ratio is associated with a higher risk of intracranial atherosclerotic stenosis显示文摘Background:Previous studies have shown that inflammation plays an important role in intracranial atherosclerotic stenosis(ICAS).The platelet-to-lymphocyte ratio(PLR)has recently emerged as a potential inflammatory biomarker.This study aimed to explore the association of the PLR with ICAS in a Chinese Han population.Methods:A total of 2134 participants(518 with ICAS,1616 without ICAS)were enrolled in this study.ICAS was defined as atherosclerotic stenosis>50%or the occlusion of several main intracranial arteries.Multivariable logistic regression analyses were used to assess the association of the PLR with ICAS.Additional subgroup analyses were performed according to age(<60 vs.≥60 years)and acute ischemic stroke.Results:Multivariate regression analysis showed that a high PLR was associated with a higher risk of ICAS in all participants(P<0.001).Compared with the lowest quartile,the fourth PLR quartile was significantly associated with ICAS(OR 1.705,95%confidence interval 1.278–2.275,P<0.001).In the subgroups stratified by age,an association between the PLR and ICAS was found in the late-life group(P<0.001),but not in the mid-life group(P=0.650).In the subgroups stratified by acute ischemic stroke,the relationship between an elevated PLR and a higher risk of ICAS remained unchanged(stroke group,P<0.001;non-stroke group,P=0.027).Conclusions:An elevated PLR was associated with a higher risk of ICAS in a Chinese Han population.The PLR might serve as a potential biomarker for ICAS in the elderly population. | Yanhua Huang Zuoteng Wang Bing Zhao Yahui Ma Yanan Ou Hao Hu Xiaohe Hou Jintai Yu Lan Tan | 2022 | Chinese Medical Journal2022，，12： | 1 |
| 19 | Sphingolipid synthesis inhibitor fumonisin B1 causes verticillium wilt in cotton显示文摘Verticillium wilt caused by Verticillium dahliae is a major disease of cotton. Acidic protein–lipopolysaccharide complexes are thought to be the toxins responsible for its symptoms. Here,we determined that the sphingolipid biosynthesis inhibitor fumonisin B1(FB1) acts as a toxin and phenocopies the symptoms induced by V. dahliae. Knocking out genes required for FB1 biosynthesis reduced V. dahliae pathogenicity. Moreover, we showed that overexpression of a FB1 and V. dahliae both downregulated gene, Gh IQD10, enhanced verticillium wilt resistance by promoting the expression of brassinosteroid and anti-pathogen genes. Our results provide a new strategy for preventing verticillium wilt in cotton. | Fan Xu Li Huang Junyao Wang Caixia Ma Yingqing Tan Fanlong Wang Yanhua Fan Ming Luo | 2022 | Journal of Integrative Plant Biology2022，64，4： | 1 |
| 20 | Construction of a high-density mutant population of Chinese cabbage facilitates the genetic dissection of agronomic traits显示文摘Chinese cabbage(Brassica rapa ssp.pekinensis)is an economically important vegetable crop throughout the world,especially in Asia.High-quality genome sequences are available for Chinese cabbage,but gene functional studies remain challenging.To promote functional genomic studies of Chinese cabbage,we generated an ethyl methane sulfonate(EMS)mutant population of~8000 M_(2) plants using the double haploid inbred line A03 as the parent.The genome of A03 was sequenced and used as a reference for high-throughput functional characterization of gene mutations at the whole-genome level.A total of 300 M_(2) to M_(5) EMS mutants were phenotypically screened and then sequenced,revealing 750629 SNPs and 46272 InDel mutations that cover 98.27%of all predicted genes in the A03 genome.A forward-genetics approach was successfully used to identify two genes with chloroplast-related functions that are responsible for the yellow leaf mutant trait.A reverse-genetics approach was also used to identify associations between mutations in five genes of the glucosinolate biosynthetic pathway and variations in glucosinolate content of the mutant plants.In addition,we built the Chinese cabbage EMS mutation database(CCEMD,www.bioinformaticslab.cn/EMSmutation/home)to increase the usability of this mutant population resource.In summary,we performed large-scale screening of a heading Chinese cabbage EMS mutant collection at the phenotypic and genotypic levels,which will facilitate gene mining of Chinese cabbage and might also be useful for the study of other Brassica crops. | Xiaoxue Sun Xing Li Yin Lu Shan Wang Xiaomeng Zhang Kang Zhang Xiangjie Su Mengyang Liu Daling Feng Shuangxia Luo Aixia Gu Yu Fu Xueping Chen Shuxin Xuan Yanhua Wang Donghui Xu Shumin Chen Wei Ma Shuxing Shen Feng Cheng Jianjun Zhao | 2022 | Molecular Plant2022，15，5： | 1 |
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