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| 1 | Genome Editing and Double-Fluorescence Proteins Enable Robust Maternal Haploid Induction and Identification in Maize显示文摘 | Le Dong Lina Li Changlin Liu Chenxu Liu Shuaifeng Geng Xinhai Li Changling Huang Long Mao Shaojiang Chen Chuanxiao Xie | 2018 | Molecular Plant2018,11,9: | 22 |
| 2 | Genome Editing Enables Next-Generation Hybrid Seed Production Technology显示文摘The next-generation hybrid seed technology enables the successful production of sortable hybrid seeds from genic male sterile(GMS)lines and maintainers;however,it requires multiple laborious and complicated steps.Here,we designed a simple next-generation hybrid seed production strategy that takes advantage of the CRISPR/Cas9 technology to create a Manipulated GMS Maintainer(MGM)system via a single transformation.Under this schema,the maize male fertility gene ZmMS26 was nullified by removal of its fifth exon using the CRISPR/Cas9 system on a vector,and a second vector carrying a functional ZmMS26 cDNA was co-transformed to restore fertility.The second vector also contains a male gametophyte inactivation gene(ZmAA1)encoding maizeα-amylase driven by the pollen-specific promoter PG47 and an endosperm fluorescent marker(DsRED)driven by the barley endosperm aleurone-specific promoter Ltp2.The derived single-copy hemizygous MGM lines bore a mutated MS26 gene,leading to complete male sterility but normal vegetative growth and grain yield.The MGM system could prevent genetic transmission of the MGM elements via male gametophytes,providing an efficient method for sorting maintainer seeds labeled by DsRED.This strategy can be extended to any GMS gene and to hybrid crops other than maize. | Xiantao Qi Congsheng Zhang Jinjie Zhu Changlin Liu Changling Huang Xinhai Li Chuanxiao Xie | 2020 | Molecular Plant2020,13,9: | 18 |
| 3 | Genetic characterization and linkage disequilibrium mapping of resistance to gray leaf spot in maize(Zea mays L.)显示文摘Gray leaf spot(GLS),caused by Cercospora zeae-maydis,is an important foliar disease of maize(Zea mays L.)worldwide,resistance to which is controlled by multiple quantitative trait loci(QTL).To gain insights into the genetic architecture underlying the resistance to this disease,an association mapping population consisting of 161 inbred lines was evaluated for resistance to GLS in a plant pathology nursery at Shenyang in 2010 and 2011.Subsequently,a genome-wide association study,using 41,101 single-nucleotide polymorphisms(SNPs),identified 51 SNPs significantly(P<0.001)associated with GLS resistance,which could be converted into 31 QTL.In addition,three candidate genes related to plant defense were identified,including nucleotidebinding-site/leucine-rich repeat,receptor-like kinase genes similar to those involved in basal defense.Two genic SNPs,PZE-103142893 and PZE-109119001,associated with GLS resistance in chromosome bins 3.07 and 9.07,can be used for marker-assisted selection(MAS)of GLS resistance.These results provide an important resource for developing molecular markers closely linked with the target trait,enhancing breeding efficiency. | Liyu Shi Xiangling Lv Jianfeng Weng Hanyong Zhu Changlin Liu Zhuanfang Hao Yu Zhou Degui Zhang Mingshun Li Xiaoke Ci Xinhai Li Shihuang Zhang | 2014 | The Crop Journal2014,2,Z1: | 9 |
| 4 | Effect of lithium or aluminum substitution on the characteristics of graphite for anode of lithium ion batteries显示文摘Modification of graphite for anode of lithium ion batteries is investigated. Results of X-ray diffraction shows lithium and aluminum exists as Li compound (CH3COOLi@2H2O) and Al compound (AlD3) in the graphite, respectiovely.The Bmnauer-Emmer-Teller (BET) surface area of the modified graphite increases. According to the electrochemical measurements of Li/C cell and prototype Li-ion batteries, the Li-doped graphite has large reversible capacity of 312.2mA@h/g, low irreversible capacity of 52.9 mA@h/g, and high initial coulombic efficiency of 85.51%. The 063448 size prototype battery with Li-doped graphite anode has large discharge capacity of 845 mA@h and good cycling performance. The initial charge/discharge characteristic of Al-doped graphite is close to those of undoped graphite, but the prototype battery with Al-doped anode shows the best cycling performance with capacity retention ratio of 94.06% at the 200th cycle. | GUO Huajun, LI Xinhai, WANG Zhixing, PENG Wenjie, and GUO YongxingCollege of Metallurgical Science and Engineering, Central South University, Changsha 410083, China | 2003 | Rare Metals2003,22,4: | 9 |
| 5 | Evaluation of maize inbred lines currently used in Chinese breeding programs for resistance to six foliar diseases显示文摘Foliar diseases are common in most maize-producing regions and have caused serious yield reduction in China. To evaluate genetic resistance of parental lines actively used in maize breeding programs to major foliar diseases, 152 maize inbred lines were tested against northern corn leaf blight(NCLB), southern corn leaf blight(SCLB), Curvularia leaf spot(CLS),gray leaf spot(GLS), common rust, and southern rust from 2003 to 2005. A small number of lines exhibited highly resistant reactions to common rust and southern rust, but none were highly resistant to NCLB, SCLB, CLS, and GLS. Although 53.3%, 40.8%, and 80.7% of lines were resistant to NCLB, SCLB, and common rust, the resistance in most lines was moderate.Resistance to CLS, GLS, and southern rust was rare in this collection of maize lines. Five lines,313, Chang 7-2, Qi 319, Qi 318, and Shen 137, were resistant to five diseases tested. Lines belonging to heterotic subgroup PB exhibited better resistance to the foliar diseases than lines from other heterotic subgroups, such as BSSS, PA, Lancaster, LRC, and PA. The results will be of benefit to breeders for selecting lines in disease resistance breeding programs. | Xiaoming Wang Yunhua Zhang Xiude Xu Hongjie Li Xiaofei Wu Shihuang Zhang Xinhai Li | 2014 | The Crop Journal2014,2,4: | 8 |
| 6 | Performance and capacity fading reason of LiMn_2O_4/graphite batteries after storing at high temperature显示文摘Spinel LiMn2O4 was synthesized by a solid-state method. A 204468-size battery was fabricated and stored at 55°C. The structure and morphology of the LiMn2O4 cathode were analyzed by X-ray diffraction (XRD) and scanning electron microscopy (SEM) technique. Energy dispersive spectroscopy (EDS) was used to analyze the surface component of the carbon anode. The discharge capacities of LiMn2O4 stored for 0, 24, 48, and 96 h are 106, 98, 96, and 92 mAh?g?1, respectively. The cyclic performance is improved after storage. The capacity retentions of LiMn2O4 stored for 0, 24, 48, and 96 h are 83.8%, 85.8%, 86.9%, and 88.6% after 180 cycles. The intensity of all the LiMn2O4 diffraction peaks is weakened. Mn is detected from the carbon electrode when the battery is stored for 96 h. Cyclic voltammograms and electrochemical impedance spectroscopy (EIS) were used to examine the surface state of the electrode after storage. The results show that the resistance and polarization of LiMn2O4/electrolyte is increased after storage, which is responsible for the fading of capacity. | LIU Yunjian LI Xinhai GUO Huajun WANG Zhixing HU Qiyang PENG Wenjie YANG Yong | 2009 | Rare Metals2009,28,4: | 7 |
| 7 | Improving the electrochemical performance of LiMn_2O_4/graphite batteries using LiF additive during fabrication显示文摘LiMn2O4/graphite batteries using LiF additive were fabricated and their electrochemical performance including discharge,cycling and storage performances were tested and compared with LiF-free LiMn2O4/graphite batteries.The LiMn2O4/graphite battery with LiF added shows better capacity (107.5 mAh/g),cycling performance (capacity retention ratio of 93% after 100 cycles),and capacity recovery ratio (98.1%) than the LiF-free battery.The improvement in electrochemical performance of the LiF-added LiMn2O4/graphite battery was due to the fact that LiF can restrain the dissolution of Mn from the spinel LiMn2O4 cathode into the electrolyte,leading to a smaller resistance and polarization. | LIU Yunjian GUO Huajun LI Xinhai WANG Zhixing | 2011 | Rare Metals2011,30,2: | 6 |
| 8 | Zea mays(L.) P1 locus for cob glume color identified as a post-domestication selection target with an effect on temperate maize genomes显示文摘Artificial selection during domestication and post-domestication improvement results in loss of genetic diversity near target loci. However, the genetic locus associated with cob glume color and the nature of the genomic pattern surrounding it was elusive and the selection effect in that region was not clear. An association mapping panel consisting of 283 diverse modern temperate maize elite lines was genotyped by a chip containing over 55,000 evenly distributed SNPs. Ten-fold resequencing at the target region on 40 of the panel lines and 47 tropical lines was also undertaken. A genome-wide association study(GWAS) for cob glume color confirmed the P1 locus, which is located on the short arm of chromosome 1, with a-log10 P value for surrounding SNPs higher than the Bonferroni threshold(α/n, α < 0.001) when a mixed linear model(MLM) was implemented. A total of 26 markers were identified in a 0.78 Mb region surrounding the P1 locus, including 0.73 Mb and 0.05 Mb upstream and downstream of the P1 gene, respectively. A clear linkage disequilibrium(LD) block was found and LD decayed very rapidly with increasing physical distance surrounding the P1 locus. The estimates of π and Tajima's D were significantly(P < 0.001) lower at both ends compared to the locus. Upon comparison of temperate and tropical lines at much finer resolution by resequencing(180-fold finer than chip SNPs), a more structured LD block pattern was found among the 40 resequenced temperate lines. All evidence indicates that the P1 locus in temperate maize has not undergone neutral evolution but has been subjected to artificial selection during post-domestication selection or improvement. The information and analytical results generated in this study provide insights as to how breeding efforts have affected genome evolution in crop plants. | Chuanxiao Xie Jianfeng Weng Wenguo Liu Cheng Zou Zhuanfang Hao Wenxue Li Minshun Li Xiaosen Guo Gengyun Zhang Yunbi Xu Xinhai Li Shihuang Zhang | 2013 | The Crop Journal2013,1,1: | 6 |
| 9 | Creation of targeted inversion mutations in plants using an RNA-guided endonuclease显示文摘Inversions are DNA rearrangements that are essential for plant gene evolution and adaptation to environmental changes. We demonstrate the creation of targeted inversions and previously reported targeted deletion mutations via delivery of a pair of RNA-guided endonucleases(RGENs) of CRISPR/Cas9. The efficiencies of the targeted inversions were2.6% and 2.2% in the Arabidopsis FLOWERING TIME(At FT) and TERMINAL FLOWER 1(At TFL1)loci, respectively. Thus, we successfully established an approach that can potentially be used to introduce targeted DNA inversions of interest for functional studies and crop improvement. | Congsheng Zhang Changlin Liu Jianfeng Weng Beijiu Cheng Fang Liu Xinhai Li Chuanxiao Xie | 2017 | The Crop Journal2017,5,1: | 6 |
| 10 | Bird functional traits affect seed dispersal patterns of China's endangered trees across different disturbed habitats显示文摘Background: The most dominant global threat to natural forests and their biodiversity is land-cover change, which has negative impacts on both species persistence and ecosystem functions. Land-cover change could alter animal behaviour and disrupt seed dispersal mutualisms. However, its effects on the role of bird functional traits in seed dispersal are not well studied.Methods: In the present study, we assessed the contributions of bird functional traits(behavioural traits: food habit, foraging pattern, foraging frequency, and habitat specialisation; morphological traits: weight, body length, wing length, and tail length) to both seed removal patterns and seed dispersal distances of an endangered and native tree species, Chinese yew(Taxus chinensis), in farmland, patchy habitat, and natural habitat, of southeast China.Results: We found that the ability of T. chinensis trees to form seed dispersal mutualisms with local birds varied across the different disturbed habitats. As a consequence of these mutualisms, more seeds were removed by birds from the patchy habitat than from the other two habitats. The number of seeds removed increased with bird foraging frequency. Moreover, the dispersal distance from the three habitats differed, and the longest dispersal distances were observed at both the patchy habitat and the farmland site. Seed dispersal distance increased with bird tail and wing length.Conclusions: Our results highlight the importance of bird functional traits in the seed dispersal patterns of endangered trees across disturbed forest habitats, which should be considered for tree conservation and management. | Ning Li Zheng Wang Xinhai Li Zhaohui Li | 2018 | Avian Research2018,9,2: | 6 |
| 11 | Identification of Functional Genetic Variations Underlying Drought Tolerance in Maize Using SNP Markers显示文摘Single nucleotide polymorphism (SNP) is a common form of genetic variation and popularly exists in maize genome. An Illumina GoldenGate assay with 1 536 SNP markers was used to genotype maize inbred lines and identified the functional genetic variations underlying drought tolerance by association analysis. Across 80 lines, 1 006 polymorphic SNPs (65.5% of the total) in the assay with good call quality were used to estimate the pattern of genetic diversity, population structure, and familial relatedness. The analysis showed the best number of fixed subgroups was six, which was consistent with their original sources and results using only simple sequence repeat markers. Pairwise linkage disequilibrium (LD) and association mapping with phenotypic traits investigated under water-stressed and well-watered regimes showed rapid LD decline within 100-500 kb along the physical distance of each chromosome, and that 29 SNPs were associated with at least two phenotypic traits in one or more environments, which were related to drought-tolerant or drought-responsive genes. These drought-tolerant SNPs could be converted into functional markers and then used for maize improvement by marker-assisted selection. | Zhuanfang Hao Xinhai Li Chuanxiao Xie Jianfeng Weng Mingshun Li Degui Zhang Xiaoling Liang Lingling Liu Sisi Liu Shihuang Zhang | 2011 | Journal of Integrative Plant Biology2011,53,8: | 5 |
| 12 | Cooperation of nitrogen-doping and catalysis to improve the Li-ion storage performance of lignin-based hard carbon显示文摘Hard carbon draws great interests as anode material in lithium ion batteries(LIBs)due to its high theoretical capacity,high rate capability and abundance of its precursors.Herein we firstly synthesize the lignin-melamine resins by grafting melamine onto lignin.Afterwards,nitrogen doped hard carbon is prepared by the pyrolysis of lignin-melamine resins with the aid of catalyst(Ni(NO_3)_2·6H_2O)at 1000°C.Compared with the samples without nitrogen-doping and catalysis,as-prepared nitrogen doped hard carbon exhibits higher reversible capacity(345 mAh g^(–1)at 0.1 A g^(-1)),higher rate capability(145 mAh g^(-1)at 5 A g^(–1))and excellent cycling stability.The superior electrochemical performance is ascribed to the synergistic effect of nitrogen doping,graphitic structure and amorphous structure.Among them,nitrogen doping could create the vacancies around the nitrogen sites,which enhance the reactivity and the electronic conductivity of materials.Additionally,graphitic structure also enhances the electronic conductivity of materials,thus improving the electrochemical performance of hard carbon.It is worthwhile that lignin,renewable and abundant biopolymer,is converted to hard carbon with good electrochemical performance,which realizes the high value utilization of lignin. | Zhewei Yang Huajun Guo Feifei Li Xinhai Li Zhixing Wang Lizhi Cui Jiexi Wang | 2018 | Journal of Energy Chemistry2018,27,5: | 5 |
| 13 | Applying various algorithms for species distribution modelling显示文摘Species distribution models have been used extensively in many fields,including climate change biology,landscape ecology and conservation biology.In the past 3 decades,a number of new models have been proposed,yet researchers still find it difficult to select appropriate models for data and objectives.In this review,we aim to provide insight into the prevailing species distribution models for newcomers in the field of modelling.We compared 11 popular models,including regression models(the generalized linear model,the generalized additive model,the multivariate adaptive regression splines model and hierarchical modelling),classification models(mixture discriminant analysis,the generalized boosting model,and classification and regression tree analysis)and complex models(artificial neural network,random forest,genetic algorithm for rule set production and maximum entropy approaches).Our objectives are:(i)to compare the strengths and weaknesses of the models,their characteristics and identify suitable situations for their use(in terms of data type and species-environment relationships)and(ii)to provide guidelines for model application,including 3 steps:model selection,model formulation and parameter estimation. | Xinhai LI Yuan WANG | 2013 | Integrative Zoology2013,8,2: | 3 |
| 14 | RNA-seq analysis of unintended effects in transgenic wheat overexpressing the transcription factor GmDREB1显示文摘The engineering of plants with enhanced tolerance to abiotic stresses typically involves complex multigene networks and may therefore have a greater potential to introduce unintended effects than the genetic modification for simple monogenic traits. For this reason, it is essential to study the unintended effects in transgenic plants engineered for stress tolerance. We selected drought-and salt-tolerant transgenic wheat overexpressing the transcription factor, GmDREB1, to investigate unintended pleiotropic effects using RNA-seq analysis. We compared the transcriptome alteration of transgenic plants with that of wild-type plants subjected to salt stress as a control. We found that GmDREB1 overexpression had a minimal impact on gene expression under normal conditions.GmDREB1 overexpression resulted in transcriptional reprogramming of the salt response,but many of the genes with differential expression are known to mitigate salt stress and contribute incrementally to the enhanced stress tolerance of transgenic wheat. GmDREB1 overexpression did not activate unintended gene networks with respect to gene expression in the roots of transgenic wheat. This work is important for establishing a method of detecting unintended effects of genetic engineering and the safety of such traits with the development of marketable transgenic crops in the near future. | Qiyan Jiang Fengjuan Niu Xianjun Sun Zheng Hu Xinhai Li Youzhi Ma Hui Zhang | 2017 | The Crop Journal2017,5,3: | 3 |
| 15 | A novel threshold-based quadrature signaling scheme for cooperative networks显示文摘Presented is a novel threshold-based quadrature signaling(TQS)scheme for cooperative networks.By assigning different components of the quadrature signaling to different cooperative users and letting each user node decide whether to relay information for the other in the assigned component based on a threshold or not,independently,the TQS scheme effectively integrated the advantages of both quadrature signaling and threshold techniques.The authors investigate the end-to-end bit error rate(BER)performance and obtain its closed-form expression.According to our theoretical analysis,the TQS scheme can enhance the diversity gain of a cooperative system and,meanwhile,reduce the complexity of its implementation to a great extent.In addition,the communication system,using TQS scheme,has the feature of easily switching between cooperative and non-cooperative patterns.Finally,the numerical and simulation results show that the scheme has excellent performance as expected. | SONG XinHai GE JianHua SHI JingJing LI Jing | 2014 | Science China(Information Sciences)2014,57,6: | 3 |
| 16 | Bifunctional Li6CoO4 serving as prelithiation reagent and pseudocapacitive electrode for lithium ion capacitors显示文摘Lithium ion capacitors(LICs)have been widely used as energy storage devices due to their high energy density and high power density.For LICs,pre-lithiation of negative electrode is necessary.In this work,we employ a bifunctional Li6CoO4(LCO)as cathodic pre-lithiation reagent to improve the electrochemical performance of LICs.The synthesized LCO exhibited high first charge specific capacity of 721 mAh g-1and extremely low initial coulombic efficiency of 3.19%,providing sufficient Li+ for the pre-lithiation of negative electrode in the first charge.Simultaneously,Li6–xCoOy is generated from LCO during the first charge process,which exhibits pseudocapacitive property and contributes to capacity in form of surface capacitance during subsequent cycles,increasing the capacity of capacitive positive electrode.With the appropriate amounts of addition to the positive side in LICs,this bifunctional prelithiation reagent LCO shows significantly improved the electrochemical performance with the energy density of 78.5 Wh kg-1after 300 cycles between 2.0 and 4.2 V at 250 mA g-1. | Yuntao Guo Xinhai Li Zhixing Wang Huajun Guo Jiexi Wang | 2020 | Journal of Energy Chemistry2020,29,8: | 3 |
| 17 | Importance of bird traits for seed dispersal patterns of co-fruiting trees in a patchy forest显示文摘Habitat fragmentation is globally one of the most important drivers of change in biodiversity.Seed dispersal by birds is crucial for tree regeneration in remnant patchy forests,yet how bird traits affect seed dispersal pattern is still poorly understood.We studied the extent to which bird traits affect seed-removal networks and whether these traits affect seed deposition and seedling recruitment for 3 co-fruiting tree species(Taxus chinensis,Cinnamomum bodinieri and Machilus thunbergii)in a patchy forest.A total of 17,18 and 10 bird species were recorded foraging for seeds of T.chinensis,M.thunbergii and C.bodinieri,respectively.Frequency of bird visitation increased with tail length,wing length and body length.Furthermore,bird body length,bill length,body weight and wing length were important in the strength of the seed removal network.During foraging,6 bird species exhibited different patterns of microhabitat utilization and their perching frequency increased with bird weight and tarsus length.As a consequence,frequency of habitat use,bird length and tarsus length were important in determining the number of deposited seeds.For seedling recruitment,seedling number increased with bird tarsus length and weight,but decreased with wing length.Overall,our results showed that various bird traits not only affected seed removal,but also influenced the subsequent processes of seed deposition and seedling distribution in a patchy forest.These results thus highlight the importance of large-bodied birds for plant recruitment and point out the need to prioritize the protection and conservation of these birds in remnant patchy forests. | Ning LI Zheng WANG Shuai ZHANG Chuan YAN Xinhai LI Changhu LU | 2019 | Integrative Zoology2019,14,5: | 3 |
| 18 | Progress on Li3VO4 as a Promising Anode Material for Li-ion Batteries显示文摘 | Jun Mo Xiumei Zhang Junjie Liu Jingang Yu Zhian Wang Zaichun Liu Xinhai Yuan Chunjiao Zhou Ruilian Li Xiongwei Wu Yuping Wu | 2017 | Chinese Journal of Chemistry2017,35,12: | 3 |
| 19 | Integration of genomic selection with doubled-haploid evaluation in hybrid breeding: From GS 1.0 to GS 4.0 and beyond显示文摘DOUBLED-HAPLOID TECHNOLOGY FACES A GREAT CHALLENGE FOR HYBRID BREEDING,Ensuring food security for the ever-growing population is a common mission and a great challenge for agricultural scientists worldwide.Historically,advances in crop breeding and management practices have contributed substantially to crop productivity.Indeed,the substantial increase in global grain yields over the last eight decades is largely due to the adoption of hybrids.However,the rate of increase of hybrid yields began to slow down in the early 2000s,and since then,it has reached a plateau for many crops and regions(http://gffzzfa4d2e2b911e4942subwvbf5fnn0c6ucq.ffgz.tsg.suse.edu.cn).Therefore,we must find solutions to accelerating genetic gain and boost hybrid development,for which developing new breeding technologies provides novel creative opportunities. | Junjie Fu Yangfan Hao Huihui Li Jochen C.Reif Shaojiang Chen Changling Huang Guoying Wang Xinhai Li Yunbi Xu Liang Li | 2022 | Molecular Plant2022,15,4: | 2 |
| 20 | Mapping QTL for flowering time-related traits under three plant densities in maize显示文摘Flowering time is an indicator of adaptation in maize and a key trait for selection in breeding.The genetic basis of flowering time in maize,especially in response to plant density,remains unclear.The objective of this study was to identify maize quantitative trait loci(QTL)associated with flowering time-related traits that are stably expressed under several plant densities and show additive effects that vary with plant density.Three hundred recombinant inbred lines(RIL)derived from a cross between Ye 478 and Qi 319,together with their parents,were planted at three plant densities(90,000,120,000,and 150,000 plants ha^(-1))in four environments.The five traits investigated were days to tasseling(DTT),days to silking(DTS),days to pollen shed(DTP),interval between anthesis and silking(ASI),and interval between tasseling and anthesis(TAI).A high-resolution bin map was used for QTL mapping.In the RIL population,the DTT,DTS,and DTP values increased with plant density,whereas the ASI and TAI values showed negligible response to plant density.A total of 72 QTL were identified for flowering time-related traits,including 15 stably expressed across environments.Maize flowering time under different densities seems to be regulated by complex pathways rather than by several major genes or an independent pathway.The effects of some stable QTL,especially qDTT8-1 and qDTT10-4,varied with plant density.Fine mapping and cloning of these QTL will shed light on the mechanism of flowering time and assist in breeding earlymaturing maize inbred lines and hybrids. | Liwei Wang Zhiqiang Zhou Ronggai Li Jianfeng Weng Quanguo Zhang Xinghua Li Baoqiang Wang Wenying Zhang Wei Song Xinhai Li | 2021 | The Crop Journal2021,9,2: | 2 |