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Fine-mapping and transcriptome analysis of the photosensitive leaf-yellowing gene CaLY1 in pepper(Capsicum annuum L.)

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Horticultural Plant Journal 2023年第1期9卷 122-132页

作者： Sha Yang Zhuqing Zhang Wenchao Chen Chengliang Liang Xuefeng Li Zhoubin Liu Qingzhi Cui yanqing ma Xuexiao Zou College of Horticulture Hunan Agricultural UniversityChangsha 410128China Vegetable Institution of Hunan Academy of Agricultural Science Changsha 410125China

Leaf color is directly related to altered ***,leaf yellowing mutants can be widely used for the researching plant physiology and functional genomes,for cultivating new varieties of popular horticultural plants,and for identifying hybrid purity(as markers).Here,we constructed a^(60)Co-γF_(2)population from the leaf-yellowing mutant R24 via radiation mutation with the inbred line WT21 of *** analysis showed that the leaf-yellowing of the mutant was controlled by a single recessive *** applying the Bulk Segregation Analysis and Kompetitive Allele Specific PCR markers,the leaf-yellowing gene CaLY1(Capsicum annuum Leaf yellow 1)was mapped on chromosome 9,SNP5791587-SNP6011215,with a size of 214.5 *** non-synonymous mutated gene Capana09g000166 was found in the *** gene encoded a Psb X,which is the core complex of PSⅡ.Transcriptome analysis further showed that 2301 differentially expressed genes were identified under shading treatment for 24 h in *** Gene Ontology enrichment pathways were related to photosynthesis light harvesting,cell wall,activity of quercetin 3-O-glucosyltransferase and flavonoid metabolic process,which likely regulate the response of pepper leaves to different light *** enrichment analysis indicated that the most abundant pathways were photosynthesis antenna proteins and metabolic.

关键词： Pepper Leaf-color yellow Fine-mapping Gene Photosensitive

Synthesis of lanthanum ricinoleate and its effect on thermal stability and mechanical properties in PVC

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Journal of Rare Earths 2014年第11期32卷 1089-1094页

作者：张伟董丹丹魏忠马彦青 School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan Shihezi University

The lanthanum ricinoleate（abbreviated as Lari3） of rare earth heat stabilizer was synthesized by the reaction of ricinoleic acid, lanthanum nitrate and sodium hydroxide. The IR and fluorescence spectra methods confirmed the structure of the product. The thermal stability of PVC in the presence of Lari3 was studied by the Congo method and using TG analysis. The results showed that Lari3 could be used as a thermal stabilizer for PVC. When the ratio of Lari3/pentaerythritol was 3：1, the complex exhibited better synergistic effect. Incorporation of Lari3 to PVC resulted in a marked increase of maximum and onset degradation temperature as well as elongation and impact strength of PVC. Lari3 might replace the labile chlorine atoms to interrupt the formation of conjugated double bonds in PVC chains and act as HCl scavenger to restrain the self-catalyticdehydrochlorination.

关键词： PVC rare earth thermal stabilizer thermal stability mechanism of thermal stabilization

Comparative Transcriptome Analysis between Cytoplasmic male-sterile Line and Its maintainer During the Floral Bud Development of Pepper

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Horticultural Plant Journal 2020年第2期6卷 89-98页

作者： Junheng Lv Zhoubin Liu Yuhua Liu Lijun Ou Minghua Deng JingWang Jingshuang Song yanqing ma Wenchao Chen Zhuqing Zhang Xiongze Dai Xuexiao Zou Longping Branch Graduate School of Hunan UniversityChangsha 410125China Vegetable Institution of Hunan Academy of Agricultural Sciences Changsha 410125China College of Landscape and Horticulture Yunnan Agricultural UniversityKunming 650201China

The male-sterile line has been largely used in the hybrid seed production of pepper, which can effectively improve the efficiency of hybrid seed production. However, the formation mechanism of male sterility in pepper remains unclear. In the present study, we compared the gene expression patterns between pepper cytoplasmic male sterile line 9704 A and its maintainer 9704 B during floral bud development using RNA sequencing technology. A total of 547 976 and 2 416 Differentially Expressed Genes(DEGs) were identified in the stage S1, S2 and S3, respectively,and more than 70% of the DEGs were down-regulated in the sterile line. Gene Ontology(GO), and Kyoto Encyclopedia of Genes and Genomes(KEGG) enrichment analyses were performed to further understand the functions of these identified DEGs. The results showed that the DEGs were mainly enriched in pathways of starch and sucrose metabolism, pentose and glucuronate interconversions. A number of genes, such as MS1, PME5, ATPB, and lots of transcription factors were found down-regulated in the sterile line, and we also identified a series of genes with large differences in expression patterns between sterile line and maintainer line. Collectively, our findings laid a foundation for further molecular breeding in pepper and provided new insights into its mechanism underlying the male sterility.

关键词： pepper capsicum annuum cytoplasmic male sterility comparative transcriptome analysis DEGs

Clinical Analysis of 128 Children and Adolescents with Echinococcosis

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Proceedings of Anticancer Research 2024年第1期8卷 1-9页

作者： Linghong Zhu yanqing ma Yongmei Lan Zilong Zhang Northwest Minzu University Lanzhou 730030Gansu ProvinceChina Department of Science and Education Qinghai Provincial People’s HospitalXining 810007Qinghai ProvinceChina Department of Oncosurgery Qinghai Provincial People’s HospitalXining 810007Qinghai ProvinceChina

Objective:To comprehend the clinical characteristics and treatment approaches for children and adolescents in Qinghai Province with two types of echinococcosis,cystic echinococcosis(CE)and alveolar echinococcosis(AE).Methods:A total of 128 pediatric inpatients with echinococcosis at the People’s Hospital of Qinghai Province and the Clinical Research Institute of Echinococcosis of Qinghai Province between January 2016 and December 2021 were chosen as *** and clinical data were collected,and double data entry was executed using EpiData *** influencing the cure of echinococcosis were analyzed with echinococcosis cure as the dependent variable,employing statistical analysis via SPSS ***:Of the cases,35.9%had CE,and 64.1%had *** types were observed in patients of all ages,with the majority aged *** number of cysts and their sizes varied between CE and *** were prevalent,including liver,gallbladder,lung,and nutritional *** analyses revealed significant differences in outcomes based on factors such as cyst size(for CE),liver function grade(for AE),hydatid hypersensitivity test,operation,and length of hospital stay(P<0.05).Conclusion:This comprehensive analysis of hospitalized cases sheds light on the clinical data of echinococcosis in children and adolescents in Qinghai *** findings contribute to a scientific foundation for formulating effective prevention and control measures tailored to this demographic,facilitating an improved understanding of echinococcosis in Qinghai province.

关键词： Echinococcosis Children and adolescents Clinical features Disease outcome

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朗西埃的“准身体”批判与剧场的解放实践

戏剧（中央戏剧学院学报） 2024年第5期 1-14页

作者：马彦卿巴黎第一大学-先贤祠-索邦大学哲学系

“身体”作为20世纪西方哲学的重要论题之一,在朗西埃的哲学思想中,显现出对于感性制度的批判作用。面对全球资本制度下日益不平等的身体秩序,朗西埃创造了“准身体”的概念,试图让非同一化的主体行动在社会共识结构中撕开裂隙与制造歧... 详细信息

“身体”作为20世纪西方哲学的重要论题之一,在朗西埃的哲学思想中,显现出对于感性制度的批判作用。面对全球资本制度下日益不平等的身体秩序,朗西埃创造了“准身体”的概念,试图让非同一化的主体行动在社会共识结构中撕开裂隙与制造歧义,实现感性的重新分配。由于这一概念注重对“看、做、说”关系的重构,所以巴西戏剧家波奥的“被压迫者戏剧”为此提供了不可多得的艺术实践案例。同时,朗西埃对此类激进戏剧的批评又印证了一种集体发展逻辑,丰富了“准身体”的肉身情感与政治意涵。在可见性世界的历史版图上,用剧场的感性视角划开直观而富有差异性的美学领域,或许能为从生命肉身的自由实践到美学理念自由制度的跨越提供某种批判性的借鉴。

关键词：朗西埃身体批判戏剧

MICROSTRUCTURE AND MORPHOLOGY OF HIGH maNGANESE NON-maGNETIC STEEL

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Acta Metallurgica Sinica(English Letters) 1990年第3期3卷 158-163页

作者： YANG yanqing ma Shiliang QIN Xiongpu KANG Mokuang Northwestern Polytechnical University,Xi’an,China YANG yanqing,Graduate student,Dept.of materials Science and Engineering,Northwestern Polytechnical University,Xi’an 710072,China

Two types of lath structures and kinked ε martensite were observed in the high manganese non-magnetic *** the short non-continuous lath formed by quenching and the long thin straight lath induced by plastic deformation are composed of ε martensite and fcc twin. The transformation mechanism was *** crystallographic analysis indicates that the e martensite at both sides of the fcc twin boundary is of kinked morphology owing to the orientation of their matrices differing from each *** kinked region is hcp twin.

关键词： εmartensite fcc twin lath structure kink

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费曼积分计算助力高精度粒子物理时代

中国科学：物理学、力学、天文学 2023年第10期53卷 52-64页

作者：刘志峰马滟青北京大学物理学院北京100871 北京大学高能物理中心北京100871

微扰量子场论计算对于精确检验粒子物理标准模型及探索新物理起着至关重要的作用.使用微扰论计算物理过程时,多圈费曼积分的计算是其瓶颈所在.本文从费曼积分的计算方法到其唯象学应用介绍了这一研究方向的现状与未来发展趋势.随着未来... 详细信息

微扰量子场论计算对于精确检验粒子物理标准模型及探索新物理起着至关重要的作用.使用微扰论计算物理过程时,多圈费曼积分的计算是其瓶颈所在.本文从费曼积分的计算方法到其唯象学应用介绍了这一研究方向的现状与未来发展趋势.随着未来的粒子对撞机的规划与建设,费曼积分的研究将继续扮演重要角色,推动粒子物理全面迈入高精度时代.

关键词：微扰量子场论费曼积分对撞机物理

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高压气瓶漏气分析

腐蚀与防护 2018年第8期39卷 638-641,646页

作者：马燕青付明中国空空导弹研究院洛阳471009

某型高压气瓶在测试过程中发生漏气,对漏气部位的宏观形貌、化学成分、金相组织、硬度、断口进行了理化检测与分析。结果表明:气瓶原材料中含有大量夹杂物,降低了其抗应力腐蚀性能;内部高压使得气瓶表面处于大的拉应力状态;裸手触摸和... 详细信息

某型高压气瓶在测试过程中发生漏气,对漏气部位的宏观形貌、化学成分、金相组织、硬度、断口进行了理化检测与分析。结果表明:气瓶原材料中含有大量夹杂物,降低了其抗应力腐蚀性能;内部高压使得气瓶表面处于大的拉应力状态;裸手触摸和后续低温试验导致氯离子残留并聚集在瓶头处。以上原因最终使气瓶发生应力腐蚀开裂而漏气。

关键词：高压气瓶理化检测夹杂物应力腐蚀

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中小股东积极主义与上市公司投资效率

金融理论与实践 2021年第1期 76-87页

作者：马滟清孙泽月徐寿福上海对外经贸大学金融管理学院上海201620 河南财经政法大学河南郑州450046

随着我国资本市场中小股东积极主义态势的凸显,中小股东在公司治理中扮演着越来越重要的角色。因此构建中小股东股东大会参与程度指标,检验中小股东参与度对上市公司投资效率的影响。研究表明,中小股东参与度的提高有助于降低上市公司... 详细信息

随着我国资本市场中小股东积极主义态势的凸显,中小股东在公司治理中扮演着越来越重要的角色。因此构建中小股东股东大会参与程度指标,检验中小股东参与度对上市公司投资效率的影响。研究表明,中小股东参与度的提高有助于降低上市公司非效率投资水平,并能有效降低源自上市公司自由现金流的过度投资,但对产生于融资约束的投资不足影响有限。进一步研究发现,中小股东治理作用在国有企业以及股权较为分散的公司中更显著。这说明我国资本市场中小股东积极主义能在一定程度上发挥有效的公司治理功能,同时也为监管部门通过制度建设发挥中小股东积极作用提供了政策依据。

关键词：上市公司中小股东积极主义公司治理投资效率