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Recent Advances to Enhance Nutritional Quality of Rice

Rice science 2023年第6期30卷 523-536页

作者： Sundus ZAFAR xu jianlong School of Life Sciences Jiangsu UniversityZhenjiang 212013China Shenzhen Branch Guangdong Laboratory for Lingnan Modern AgricultureAgricultural Genomics Institute at ShenzhenChinese Academy of Agricultural SciencesShenzhen 518120China The National Key Facility for Crop Gene Resources and Genetic Improvement Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China

The nutritional quality of rice is a major concern,along with the need to enhance productivity to feed the continuously growing ***,there is a requirement to breed high-yielding rice varieties with improved nutritional quality that can help combat malnutrition,a global health ***,breeding approaches have played a significant role in increasing rice yield while enhancing its nutritional *** addition to traditional breeding techniques,other recent approaches,such as genetic engineering,gene editing,omics methods,and agronomic practices,must also be employed to meet the nutritional needs of the current *** this review,we offered detailed information on the development of nutritionally improved rice varieties through the enhancement of protein content,microand macronutrients,vitamins,and oil quality using genetic engineering *** also identified QTLs associated with amino acids,proteins,and micronutrients in ***,omics approaches provide a range of tools and techniques for effectively exploring resources and understanding the molecular mechanisms involved in trait *** branches,including transcriptomics,proteomics,ionomics,and metabolomics,are efficiently utilized for improving rice ***,by utilizing the information obtained from these techniques and incorporating all of these recent approaches,we can effectively modify the rice genome,directly enhancing the nutritional value of rice *** will help address the challenges of malnutrition in the years to come.

关键词： rice nutritional quality quantitative trait locus genetic engineering omics gene editing

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Recent progress on Ge oxide anode materials for lithium-ion batteries

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Science China Chemistry 2018年第5期61卷 515-525页

作者： Wei Wei jianlong xu Maotian xu Shiying Zhang Lin Guo Henan Key Laboratory of Biomolecular Recognition and Sensing School of Chemistry and Chemical Engineering Shangqiu Normal University School of Chemistry Beihang University

1 Introduction As environmental pollution continues to worsen,governments are increasing their efforts to develop green transport vehicles,such as electric vehicles and hybrid cars.

关键词： Ge Li Recent progress on Ge oxide anode materials for lithium-ion batteries Figure

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Efficient graphene in-plane homogeneous p-n-p junction based infrared photodetectors with low dark current

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Science China(Information Sciences) 2021年第4期64卷 134-141页

作者： Junru AN Tian SUN Bin WANG jianlong xu Shaojuan LI State Key Laboratory of Applied Optics Changchun Institute of Optics Fine Mechanics and PhysicsChinese Academy of Sciences University of Chinese Academy of Sciences (UCAS) Institute of Functional Nano and Soft Materials (FUNSOM) Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices Soochow University Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information Huazhong University of Science and Technology

Graphene-based photodetectors have drawn a large amount of interests owing to its wide spectral response,however,the high dark current greatly limits their *** this study,we develop an efficient graphene in-plane homogeneous p-n-p junction based infrared(IR) photodetector with greatly reduced dark *** devices with p-n-p junctions exhibit excellent photoresponse to 1.0～4.0 μm IR light illumination with ultra-low dark current at the order of～10-9A in double p-n-p junctions and 10-13A in three p-n-p junctions based photodetector,which is three and seven orders of magnitude lower than pristine graphene phototransistors,*** excellent IR photodetection capabilities could be attributed to the synergistic effects of in-plane photovoltaic effects as well as the photogating effects induced carrier injection from the silicon *** results suggest intriguing potential of graphene in-plane p-n-p junctions for applications in high-performance IR photodetectors.

关键词： infrared photodetector graphene p-n-p junction dark current photoresponse

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Breeding by design for future rice:Genes and genome technologies

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The Crop Journal 2021年第3期9卷 491-496页

作者： jianlong xu Yongzhong Xing Yunbi xu Jianmin Wan National Key Facility for Crop Gene Resources and Genetic Improvement/Institute of Crop Sciences Chinese Academy of Agricultural SciencesBeijing 100081China Guangdong Laboratory of Lingnan Modern Agriculture Genome Analysis Laboratory of the Ministry of AgricultureAgricultural Genomics Institute at ShenzhenChinese Academy of Agricultural SciencesShenzhen 518120GuangdongChina National Key Laboratory of Crop Genetic Improvement National Center of Plant Gene Research(Wuhan)Huazhong Agricultural UniversityWuhan 430070HubeiChina International Maize and Wheat Improvement Center(CIMMYT) El BatanTexcoco 56130Mexico

*** Rice is a staple food for 3.2 billion *** food security threat that shook many Asian countries in 2008 still looms,because farmers are facing the challenge of producing more rice with fewer resources of water,land... 详细信息

关键词： Breeding threat producing

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Lotus-stalk Bi4Ge3O12 as binder-free anode for lithium and sodium ion batteries

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Chinese Chemical Letters 2019年第6期30卷 1341-1345页

作者： jianlong xu Wei Wei xu Zhang Lei Liang Maotian xu College of Materials Science and Engineering Xi'an University of Architecture and Technology Xi'an 710055 China School of Chemistry and Chemical Engineering Henan D&A Engineering Center of Advanced Battery Materials Henan Key Laboratory of Bimolecular Reorganization and Sensing Shangqiu Normal University Shangqiu 476000 China

Alloyed-type anode materials with high-energy density for lithium and sodium ion batteries attracted much attention of the researchers. However, substantial volume expansion of these materials in the devices during repeated electrochemical process leads to fast capacity fading and hinders their further practical application. Nanotechnology could act as a useful tool to effectively address the issue. Herein, lotus-stalk Bi4Ge3O12 nanosheets vertically grown on the nickel foam (denoted as Bi4Ge3O12 NSs@NF) were prepared via a straight-forward solvothermal method. Benefiting from their three dimensional (3D) conductive framework and two dimensional (2D) lotus-stalk Bi4Ge3O12 nanosheet structure, as anode materials of lithium-ion batteries (LIBs) and sodium-ion batteries (NIBs), the electrochemical performances of Bi4Ge3O12 NSs@NF were greatly enhanced as a result of mitigating the huge volume variations during cycles. The Bi4Ge3O12 NSs@NF electrodes delivered a high reversible capacity of 1033.1 mAh/g for the first cycle and exhibited 68.6%capacity retention of after 88 cycles at 0.10 A/g in the voltage window of 0.01~3.0 V versus Li/Li+. In the test of NIBs, the lotus-stalk Bi4Ge3O12 composite electrodes still stored Na+as high as 332.3 mAh/g at 0.10 A/g over 100 sodiation/desodiation repeating cycles.

关键词： Bi4Ge3O12 Nanosheets Lithium-ion battery Sodium-ion batter Anode

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Breeding by selective introgression: Theory, practices, and lessons learned from rice

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The Crop Journal 2021年第3期9卷 646-657页

作者： Fan Zhang Yingyao Shi Jauhar Ali jianlong xu Zhikang Li Institute of Crop Sciences Chinese Academy of Agricultural SciencesBeijing 100081China College of Agronomy Anhui Agricultural UniversityHefei 230036AnhuiChina Rice Breeding Platform International Rice Research Institute(IRRI)Los BañosLaguna 4031Philippines Shenzhen Branch Guangdong Laboratory for Lingnan Modern AgricultureGenome Analysis Laboratory of the Ministry of AgricultureAgricultural Genomics Instituteat ShenzhenChinese Academy of Agricultural SciencesShenzhen 518120GuangdongChina

Future demands for increased productivity and resilience to abiotic/biotic stresses of major crops require new technologies of breeding by design(BBD)built on massive information from functional and population genomics research.A novel strategy of breeding by selective introgression(BBSI)has been proposed and practiced for simultaneous improvement,genetic dissection and allele mining of complex traits to realize *** has three phases:a)developing large numbers of trait-specific introgression lines(ILs)using backcross breeding in elite genetic backgrounds as the material platform of BBD;b)efficiently identifying genes or quantitative trait loci(QTL)and mining desirable alleles affecting different target traits from diverse donors as the information platform of BBD;and c)developing superior cultivars by BBD using designed QTL pyramiding or marker-assisted recurrent ***(a)has been implemented massively in rice by many Chinese research institutions and IRRI,resulting in the development of many new green super rice cultivars plus large numbers of ILs in 30+elite genetic ***(b)has been demonstrated in a series of proof-of-concept studies of high-efficiency genetic dissection of rice yield and tolerance to abiotic stresses using ILs and DNA ***(c)has also been implemented by designed QTL pyramiding,resulting in a prototype of BBD in several successful *** BBSI strategy can be easily extended for simultaneous trait improvement,efficient gene and QTL discovery and allele mining of complex traits using advanced breeding lines from crosses between a common"backbone"parent and a set of elite parents in conventional pedigree breeding *** can be relatively easily adopted by breeding programs with small budgets,but the BBSI-based BBD strategy can be fully and more efficiently implemented by large seed companies with sufficient capacity.

关键词： Backcross Trait-specific introgression line Breeding by selective introgression Designed QTL pyramiding

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A Novel Magnetic Bead-based Biosensor Using Flip Chip Bonding Techniques

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稀有金属材料与工程 2006年第A3期35卷 421-424页

作者： Bin Wang Xiang Chen Qinghui Jin jianlong Zhao Yuansen xu Shanghai Institute of Mierosystem and Information Technology CAS Shanghai 200050 China

Based on flip-chip packaging,a novel approach towards integrated magnetic bio-separator was *** magnetic field and the force on the bead were simulated and analyzed,leading to the optimization of the fabrication parameters of the micro-magnetic *** planar coil as an electromagnet was fabricated through electroplating on a single seed layer. The PDMS microfluidic channel was bonded on the inverse side after Si *** results presented in this paper provide a novel design and fabrication to approach a microfluidic bio-separation system with magnetic beads.

关键词： flip-chip magnetic planar coil PDMS

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Saline-Alkali Tolerance in Rice: Physiological Response, Molecular Mechanism, and QTL Identification and Application to Breeding

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Rice science 2022年第5期29卷 412-434页

作者： Ratan Kumar GANAPATI Shahzad Amir NAVEED Sundus ZAFAR WANG Wensheng xu jianlong Institute of Crop Sciences National Key Facility for Crop Gene Resources and Genetic ImprovementChinese Academy of Agricultural SciencesBeijing 100081China Shenzhen Branch Guangdong Laboratory for Lingnan Modern AgricultureAgricultural Genomics Institute at ShenzhenChinese Academy of Agricultural SciencesShenzhen 518120China

Salinity-alkalinity is incipient abiotic stress that impairs plant growth and ***(Oryza sativa)is a major food crop greatly affected by soil salinity and alkalinity,requiring tolerant varieties in the saline-alkali prone *** the molecular and physiological mechanisms of saline-alkali tolerance paves the base for improving saline-alkali tolerance in rice and leads to progress in *** review illustrated the physiological consequences,and molecular mechanisms especially signaling and function of regulating genes for saline-alkali tolerance in rice *** also discussed QTLs regarding saline-alkali tolerance accordingly and ways of deployment for *** efforts are needed to identify and utilize the identified QTLs for saline-alkali tolerance in rice.

关键词： saline-alkali tolerance physiological mechanism molecular mechanism marker-assisted backcrossing rice

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Genetic bases of source-,sink-,and yield-related traits revealed by genome-wide association study in Xian rice

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The Crop Journal 2020年第1期8卷 119-131页

作者： Yun Wang Yunlong Pang Kai Chen Laiyuan Zhai Congcong Shen Shu Wang jianlong xu Rice Research Institute Shenyang Agricultural UniversityShenyang 110866LiaoningChina Institute of Crop Sciences/National Key Facility for Crop Gene Resources and Genetic Improvement Chinese Academy of Agricultural SciencesBeijing 100081China Agricultural Genomics Institute at Shenzhen Chinese Academy of Agricultural SciencesShenzhen 518120GuangdongChina

The source-sink relationship determines the ultimate grain *** investigated the genetic basis of the relationship between source and sink and yield potential in *** two environments,we identified quantitative trait loci(QTL)associated with sink capacity(total spikelet number per panicle and thousand-grain weight),source leaf(flag leaf length,flag leaf width and flag leaf area),source-sink relationship(total spikelet number to flag leaf area ratio)and yield-related traits(filled grain number per panicle,panicle number per plant,grain yield per plant,biomass per plant,and harvest index)by genome-wide association analysis using 272 Xian(indica)*** panel showed substantial variation for all traits in the two environments and revealed complex phenotypic correlations.A total of 70 QTL influencing the 11 traits were identified using 469,377 high-quality SNP *** QTL were detected consistently in four chromosomal regions in both *** QTL clusters simultaneously affected source,sink,source–sink relationship,and grain yield traits,probably explaining the genetic basis of significant correlations of grain yield with source and sink *** selected 24 candidate genes in the four consistent QTL regions by identifying linkage disequilibrium(LD)blocks associated with significant SNPs and performing haplotype *** genes included one cloned gene(NOG1)and three newly identified QTL(qHI6,qTGW7,and qFLA8).These results provide a theoretical basis for high-yield rice breeding by increasing and balancing source–sink relationships using marker-assisted selection.

关键词： Rice GWAS Source–sink relationship Quantitative trait loci/locus(QTL) Candidate gene

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Genome-Wide Association Study of Cooked Rice Textural Attributes and Starch Physicochemical Properties in indica Rice

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Rice science 2024年第3期31卷 300-316,I0018-I0041页

作者： DENG Bowen ZHANG Yanni ZHANG Fan WANG Wensheng xu jianlong ZHANG Yu BAO Jinsong Institute of Nuclear Agricultural Sciences Key Laboratory of Nuclear Agricultural Sciences of Ministry of Agriculture and Zhejiang ProvinceCollege of Agriculture and BiotechnologyZhejiang UniversityHangzhou 310058China Hainan Institute Zhejiang UniversitySanya 572025China Institute of Crop Sciences Chinese Academy of Agricultural SciencesBeijing 100081China

Rice cooking and eating qualities(CEQ)are mainly determined by cooked rice textural parameters and starch physicochemical ***,the genetic bases of grain texture and starch properties in rice have not been fully *** conducted a genome-wide association study for apparent amylose content(AAC),starch pasting viscosities,and cooked rice textural parameters using 279 indica rice accessions from the 3000 Rice Genome *** identified 26 QTLs in the whole population and detected single nucleotide polymorphisms(SNPs)with the lowest P-value at the Waxy(Wx)locus for all traits except pasting temperature and ***,we detected significant SNPs at the SUBSTANDARD STARCH GRAIN6(SSG6)locus for AAC,setback(SB),hardness,adhesiveness,chewiness(CHEW),gumminess(GUM),and *** subsequently divided the population using a SNP adjacent to the Waxy locus,and identified 23 QTLs and 12 QTLs in two sub-panels,WxT and WxA,*** these sub-panels,SSG6 was also identified to be associated with pasting parameters,including peak viscosity,hot paste viscosity,cold paste viscosity,and consistency ***,a candidate gene encoding monosaccharide transporter 5(OsMST5)was identified to be associated with AAC,breakdown,SB,CHEW,and *** total,39 QTLs were co-localized with known genes or previously reported *** identified genes and QTLs provide valuable information for genetic manipulation to improve rice CEQ.

关键词： cooking and eating quality genome-wide association study rice Waxy gene

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