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Co-location of QTL for Sclerotinia stem rot resistance and flowering time in Brassica napus

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The Crop Journal 2019年第2期7卷 227-237页

作者： Jian Wu Peipei Chen Qing Zhao Guangqin Cai Yue Hu yang Xiang qingyong yang Youping Wang Yongming Zhou Jiangsu Provincial Key Laboratory of Crop Genetics and Physiology Yangzhou University National Key Laboratory of Crop Genetic Improvement Huazhong Agricultural University Agricultural Bioinformatics Key Laboratory of Hubei Province College of Informatics Huazhong Agricultural University Guizhou Rapeseed Institute Guizhou Academy of Agricultural Sciences

Sclerotinia stem rot(SSR) caused by Sclerotinia sclerotiorum(Lib.) de Bary is one of the most devastating diseases of Brassica napus worldwide. Both SSR resistance and flowering time(FT) adaptation are major breeding goals in B. napus. However, early maturing rapeseed varieties, which are important for rice-rapeseed rotation in China, are often highly susceptible to SSR. Here, we found that SSR resistance was significantly negatively correlated with FT in a natural population containing 521 rapeseed inbred lines and a double haploid(DH) population with 150 individual lines, both of which had great variation in FT. Four chromosomal regions on A2, A6, C2, and C8 affecting both SSR resistance and FT were identified using quantitative trait loci(QTL) mapping after constructing a high-density genetic map based on single nucleotide polymorphism markers in the DH ***, we aligned QTL for the two traits identified in the present and previous studies to the B. napus reference genome, and identified four colocalized QTL hotspots of SSR resistance and FT on A2(0–7.7 Mb), A3(0.8–7.5 Mb), C2(0–15.2 Mb), and C6(20.2–36.6 Mb). Our results revealed a genetic link between SSR resistance and FT in ***, which should facilitate the development of effective strategies in both early maturing and SSR resistance breeding and in map-based cloning of SSR resistance QTL.

关键词： Sclerotinia stem rot Brassica napus QTL mapping Flowering time SNP array

A Novel Single-Nucleotide Mutation in a CLAVATA3 Gene Homolog Controls a Multilocular Silique Trait in Brassica rapa L.

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Molecular Plant 2014年第12期7卷 1788-1792页

作者： Chuchuan Fan, Yudi Wu, qingyong yang, yang yang, Qingwei Meng, Keqiao Zhang, Jinguo Li, Jinfang Wang Yongming Zhou National Key Laboratory of Crop Genetic Improvement and Key Laboratory of Rapeseed Genetics and Breeding of Agriculture Ministry of China Huazhong Agricultural University Wuhan 430070 China

Dear Editor, Brassica rapa is an important crop and a model plant for studying Brassica genome evolution and gene function. The silique of B. rapa derived from the gynoecium nor- mally consists of two carpels that are separated by a false septum, and thus has two Iocules （bilocular）. Multilocular （more than two carpels） lines of B. rapa have been discov- ered in nature and are considered advantageous because the multilocular type could potentially increase the seed yield by producing more seeds per silique than the biloc- ular type. However, the molecular basis of the important seed vield-related trait is ooorlv understood.

关键词： RECEPTOR-LIKE KINASE ARABIDOPSIS SHOOT TRANSMITS ENCODES SIGNAL LOOP

Identification of candidate genes controlling fiber quality traits in upland cotton through integration of meta-QTL,significant SNP and transcriptomic data

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Journal of Cotton Research 2020年第4期3卷 324-335页

作者： XU Shudi PAN Zhenyuan YIN Feifan yang qingyong LIN Zhongxu WEN Tianwang ZHU Longfu ZHANG Dawei NIE Xinhui Key Laboratory of Oasis Ecology Agricultural of Xinjiang Production and Construction Coprs Agricultural CollegeShihezi UniversityShihezi 832000XinjiangChina Hubei Key Laboratory of Agricultural Bioinformatics College of InformaticsHuazhong Agricultural UniversityWuhan 430070HubeiChina National Key Laboratory of Crop Genetic Improvement College of Plant Science and TechnologyHuazhong Agricultural UniversityWuhan 430070HubeiChina Research Institute of Economic Crops Xinjiang Academy of Agricultural SciencesUrumqi 830091China

Background:Meta-analysis of quantitative trait locus(QTL)is a computational technique to identify consensus QTL and refine QTL positions on the consensus map from multiple mapping *** combination of meta-QTL intervals,significant SNPs and transcriptome analysis has been widely used to identify candidate genes in various ***:In our study,884 QTLs associated with cotton fiber quality traits from 12 studies were used for meta-QTL analysis based on reference genome TM-1,as a result,74 meta-QTLs were identified,including 19 meta-QTLs for fiber length;18 meta-QTLs for fiber strength;11 meta-QTLs for fiber uniformity;11 meta-QTLs for fiber elongation;and 15 meta-QTLs for *** with 8589 significant single nucleotide polymorphisms associated with fiber quality traits collected from 15 studies,297 candidate genes were identified in the meta-QTL intervals,20 of which showed high expression levels specifically in the developing *** to the function annotations,some of the 20 key candidate genes are associated with the fiber ***:This study provides not only stable QTLs used for marker-assisted selection,but also candidate genes to uncover the molecular mechanisms for cotton fiber development.

关键词： Fiber quality traits Meta-QTL Significant SNPs Candidate genes Transcriptomic data

Coal-based activated carbon prepared by H2O activation process for supercapacitors using response surface optimization method

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Frontiers of Chemical Science and Engineering 2024年第6期18卷 31-40页

作者： Shanxin Xiong Fengyan Lv Chenxu Wang Nana yang Yukun Zhang qingyong Duan Shuaishuai Bai Xiaoqin Wang Zhen Li Jianwei Xu College of Chemistry and Chemical Engineering Xi’an University of Science and TechnologyXi’an 710054China Key Laboratory of Coal Resources Exploration and Comprehensive Utilization Ministry of Land and ResourcesXi’an 710021China Institute of Sustainability for Chemicals Energy and EnvironmentJurong Island 627833Singapore

The scalable production of high grade activated carbon from abundant coal for supercapacitors application is an efficient way to achieve high value-added utilization of coal ***,this technology is challenging due to lack of comprehensive understanding on the mechanism of activation process and effect of external *** this paper,the effect of activating temperature and time on the specific capacitance of coal-based activated carbon prepared by H2O steam activation was studied using the response surface *** optimal conditions,coal-based activated carbon exhibits the largest specific capacitance of 194.35 F·g^(−1),thanks to the appropriate pore/surface structure and defect *** functional theory calculations explain in detail the mechanism of contraction of aromatic rings and overflow of H2 and CO during the ***,oxygen-containing functional groups are introduced,contributing to the pseudocapacitance property of coal-based activated *** mechanism of reactions between aromatic carbon and H2O vapor provides understanding on the role of water during coal processing at the molecular level,offering great potential to regulate product distribution and predict rate of pore *** insight would contribute to the advancement of other coal processing technology such as gasification.

关键词： response surface optimization coal-based activated carbon supercapacitor activating mechanism

Association mapping and domestication analysis to dissect genetic improvement process of upland cotton yield-related traits in China

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Journal of Cotton Research 2021年第2期4卷 126-137页

作者： GUO Chunping PAN Zhenyuan YOU Chunyuan ZHOU Xiaofeng HUANG Cong SHEN Chao ZHAO Ruihai yang qingyong ZHU Longfu SHAHZAD Raheel MENG Fande LIN Zhongxu NIE Xinhui Key Laboratory of Oasis Ecology Agricultural of Xinjiang Production and Construction Corps Agricultural CollegeShihezi UniversityShihezi832003XinjiangChina Cotton Research Institute Shihezi Academy of Agriculture ScienceShihezi832011XinjiangChina Cotton Institute Xinjiang Academy of Agriculture and Reclamation ScienceShihezi832000XinjiangChina National Key Laboratory of Crop Genetic Improvement College of Plant Sciences&TechnologyHuazhong Agricultural UniversityWuhan430070HubeiChina Hubei Key Laboratory of Agricultural Bioinformatics College of InformaticsHuazhong Agricultural UniversityWuhan430070HubeiChina Department of Biotechnology Faculty of Science and TechnologyUniversitas Muhammadiyah BandungBandungWest Java40614Indonesia Agricultural Science Research Institute of the 5th Division of Xinjiang Production and Construction Corps Shuanghe833408XinjiangChina

Background: Cotton fiber yield is a complex trait,which can be influenced by multiple agronomic *** the genetic basis of cotton fiber yield-related traits contributes to genetic improvement of ***: In this study,503 upland cotton varieties covering the four breeding stages(BS1–BS4,1911–2011)in China were used for association mapping and domestication *** hundred and forty SSR markers significantly associated with ten fiber yield-related traits were identified,among which,29 markers showed an increasing trend contribution to cotton yield-related traits from BS1 to BS4,and 26 markers showed decreased trend *** favorable alleles of 9 major loci(R^(2)≥3)were strongly selected during the breeding stages,and the candidate genes of the four strongly selected alleles were predicated according to the gene function annotation and tissue expression *** :The study not only uncovers the genetic basis of 10 cotton yield-related traits but also provides genetic evidence for cotton improvement during the cotton breeding process in China.

关键词： Upland cotton Genome wide association study Yield-related traits Favorable alleles

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重载铁路小半径曲线换铺无缝线路施工技术

铁道建筑 2011年第6期51卷 132-134页

作者：杨庆勇中铁一局集团新运工程公司陕西咸阳712000

结合朔黄铁路换铺75 kg/m钢轨无缝线路施工,总结既有线小半径曲线换铺75 kg/m钢轨无缝线路的施工技术,介绍了施工工艺和各工序技术要求,重点说明了施工中困难情况的处理方法。

关键词：重载小半径曲线换铺无缝线路技术

A ratiometric optical thermometer with dual-color emission based on Eu^(2+)-doped CsCu_(2)I_(3) microcrystals

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Journal of Rare Earths 2024年第8期42卷 1429-1436,I0001页

作者： Xiaorong Li Ge Gao Kaiyu Wang Zhaoqiong Chen Zejiang Gao qingyong Qin Li Chen Bingsuo Zou State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures School of Physical Science and TechnologyGuangxi UniversityNanning530004China School of Resources Environments and MaterialsGuangxi UniversityNanning530004China

With the increasing demand for non-co ntact fluorescence intensity ratio-based optical thermometry,novel phosphor materials with high-efficiency,dual-emitting centers,and differentiable temperature sensitivity are highly desired,In this wo rk,rare earth Eu^(2+) ions were incorporated Wnto CsCu_(2)I_(3) microcrystals by solidstate reaction,Under a single UV excitation,the as-synthesized samples exhibit two emissions:452 nm blue emission from the 5d→4f transition of Eu^(2+)and 582 nm yellow emission from self-trapped exciton e mission of CsCu_(2)I_(3).The photoluminescence quantum yield reaches to 50%,The dual-band emission of Eu^(2+)-doped CsCu_(2)I_(3) shows different temperature responses in the range of 260-360 *** on fluorescence intensity ratio technology,the maximum absolute sensitivity and re Iative sensitivity are 0.091 K^(-1)(at 360 K) and 2.60%/K(at 260 K),*** results suggest that Eu^(2+)-doped GsCu_(2)I_(3) could be a good candidate for highly sensitive optical thermometer.

关键词： CsCu_(2)I_(3) Eu^(2+)-doping Fluorescence intensity ratio Optical thermometer Rare earths

多场耦合下水流形状模型影响系泊系统的特性分析

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太阳能学报 2022年第8期43卷 452-457页

作者：胡永敢蒋占四杨庆勇倪伟桂林电子科技大学机电工程学院桂林541004

为研究海洋中不同的水流形状模型对多场耦合下的系泊系统的影响,以系泊系统为主要研究对象,采用集中质量法、静力分析法以及离散迭代法等对单点系泊系统在风、浪、流3种载荷的共同方向作用下进行建模与计算。通过改变不同水流形状模型...

为研究海洋中不同的水流形状模型对多场耦合下的系泊系统的影响,以系泊系统为主要研究对象,采用集中质量法、静力分析法以及离散迭代法等对单点系泊系统在风、浪、流3种载荷的共同方向作用下进行建模与计算。通过改变不同水流形状模型的参数以及水深环境因素来研究系泊系统的整体游动区域以及浮筒的淹没程度。结果表明,曲线形状下的水流模型比线性形状下的水流模型对系泊系统的游动区域影响大,同时随着环境因素水深的增加,二者对系泊系统游动区域范围的影响程度均加深;水流也间接影响浮筒的淹没高度,曲线形状模型下的水流模型对浮筒的影响大于线性形状下的水流模型。

关键词：海洋能系泊系统模型浮筒锚链水流力

Immunoglobulin superfamily containing leucine-rich repeat(ISLR)negatively regulates osteogenic differentiation through the BMP-Smad signaling pathway

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Genes & Diseases 2024年第4期11卷 138-140页

作者： Lei Xiong Miaomiao Lan Chang Liu Lei Li YingYing Yu Tongtong Wang Fan Liu Kun Wang Jin Liu qingyong Meng State Key Laboratory of Agrobiotechnology College of Biological SciencesChina Agricultural UniversityBeijing 100094China

Osteoporosis(OP)is an aging-associated condition that significantly affects the quality of life in aging humans and has few treatment *** an important marker,recombinant immunoglobulin superfamily containing leucinerich repeat(ISLR)could be used as a gene therapy for *** herein used alkaline phosphatase(ALP)and alizarin red S(ARS)staining to evaluate osteogenic differentiation potential.

关键词： Immunoglobulin alkaline herein