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23篇 您的检索式:作者名="Cheng Qunfeng"
    题名 作者 年代 出处 被引量
1A leaf shape mutant provides insight into PINOID Serine/Threonine Kinase function in cucumber(Cucumis sativus L.)显示文摘Optimizing leaf shape is a major challenge in efforts to develop an ideal plant type. Cucumber leaf shapes are diverse;however, the molecular regulatory mechanisms underlying leaf shape formation are unknown. In this study, we obtained a round leaf mutant(rl) from an ethyl methanesulfonate-induced mutagenesis population. Genetic analysis revealed that a single recessive gene, rl, is responsible for this mutation. A modified Mut Map analysis combined linkage mapping identified a single nucleotide polymorphism within a candidate gene,Csa1 M537400, as the mutation underlying the trait.Csa1 M537400 encodes a PINOID kinase protein involved in auxin transport. Expression of Csa1 M537400 was significantly lower in the rl mutant than in wild type, and it displayed higher levels of IAA(indole-3-acetic acid) in several tissues. Treatment of wild-type plants with an auxin transport inhibitor induced the formation of round leaves,similar to those in the rl mutant. Altered expression patterns of several auxin-related genes in the rl mutant suggest that rl plays a key role in auxin biosynthesis,transport, and response in cucumber. These findings provide insight into the molecular mechanism underlying the regulation of auxin signaling pathways in cucumber,and will be valuable in the development of an ideal plant type.Mengfei Song Feng Cheng Jing Wang Qingzhen Wei Wenyuan Fu Xiaqing Yu Ji Li Jinfeng Chen Qunfeng Lou 2019Journal of Integrative Plant Biology2019,61,9:3
2Comparative Cyto-molecular Analysis of Repetitive DNA Provides Insights into the Differential Genome Structure and Evolution of Five Cucumis Species显示文摘The genus Cucumis, includes the cucumber(2n = 14), melon(2n = 24), and other wild species, which is a good model for studying genome organization and evolution due to their variation in genome size and basic chromosome number. In this study, five Cucumis species with different geographical origins and basic chromosome numbers(i.e., C. sativus, C. hystrix, C. melo, C. anguria, and C. metuliferus) were used to identify and characterize the repetitive DNA in detail using a phylogenetic method. Comparative cyto-molecular genetic analysis of repetitive DNA was carried out using a graph-based clustering method, construction of Neighbor-Joining tree and fluorescence in situ hybridization(FISH).The results revealed that the five Cucumis species had differences in the repeat content of their genome, as well as in the composition of repetitive DNA and their genomic proportions. Three species from subgenus Melo showed a decreased tendency in both repeat types and genomic proportions, while two species from subgenus Cucumis also showed a decreased tendency in repeat types, but an increased tendency in genomic proportions. Phylogenic analysis of Cucumis Ty1/Copia, Ty3/Gypsy, and 45 S rDNA ITS regions revealed that C. sativus, C. hystrix, and C. melo were closely related species, which C. sativus and C. hystrix were closer, while C. anguria and C. metuliferus were closer to each other and further from the other three species. Differential accumulation and elimination of different repeat types divergently shaped the genomic architecture of these five Cucumis species, contributing to the genome’s evolution and diversification. Overall, these results enhance our understanding of the genomes of these five Cucumis species, and contribute to a more holistic view of genome evolution and phylogenetics of this genus.Shuqiong Yang Chunyan Cheng Xiaodong Qin Xiaqing Yu Qunfeng Lou Ji Li Chuntao Qian Jinfeng Chen 2019Horticultural Plant Journal2019,5,5:2
3Preform-based toughening technology for RTMable high-temperature aerospace composites显示文摘This article describes the efforts that led to the development of surface-loaded preforms that may be used to significantly improve the compression-after-impact strength of high-temperature composites and correspondingly to dramatically reduce the area of damage because of impact.Moreover,by matching the toughening polymer surface-loaded and design of the surface pattern,in-plane mechanical properties are unaffected or even improved over laminates made from the identical materials.The proprietary preforms,so-called ESTM-Fabrics,may be handled and infused with the high-temperature RTMable resins such as bismaleimide and polyimide in exactly the same manner as traditional fabrics without surface modification.The RTM conditions for the preform-based toughening is fully compatible with the traditional process procedure,making the technology cost-effective in production.This technology represents a key enabler for the use of low-cost RTM processes for high-temperature resins to supplant prepreg as the building-block material of choice for aeronautical composite structures.YI XiaoSu CHENG QunFeng LIU ZhiZhen 2012Science China(Technological Sciences)2012,55,8:2
4Bioinspired robust nanocomposites of cooper ions and hydroxypropyl cellulose synergistic toughening graphene oxide显示文摘The hierarchical micro/nanoscale layered an formation of organic and inorganic components of natural through bonding nacre,results in abundant interfacial interfacial interactions,providing inspiration for fabricating bioinspired nanocomposites constructing from the interactions.Herein,we demonstrated from the ions synergistic upon interfacial interactions of based hydrogen hydroxypropyl cellulose and ionic bonding copper the reduced graphene oxide bioinspired well nanocomposites,electrical which show These the t integrated electronics tensile strength,toughness and excellent fatigue-resistant property,as as high conductivity.ex r a or d i n ar y properties devices,allow etc.this kind of bioinspired opens nanocomposites for to potentially utilize in the fields of aerospace,flexible This via study also a door fabricating excellent future.mechanical performance graphene-based bioinspired nanocomposites synergistic interfacial interactions inZHANG Qi WAN SiJie JIANG Lei CHENG QunFeng 2017Science China(Technological Sciences)2017,60,5:2
5Thermal conductivity of MWCNT/epoxy composites: The effects of length, alignment and functionalization显示文摘Jin Gyu Park Qunfeng Cheng Jun Lu Jianwen Bao Shu Li Ying Tian Zhiyong Liang Chuck Zhang Ben Wang 2012Carbon2012,,6:1
6Electromagnetic interference shielding properties of carbon nanotube buckypaper composites 显示文摘Park Jin Gyu Louis Jeffrey Cheng Qunfeng 2009Nanotechnology2009,20,41:1
7High Mechanical Performance Composite Conductor: Multi-Walled Carbon Nanotube Sheets/Bismaleimide Nanocomposites 显示文摘Cheng Qunfeng Bao Jianwen Park Jingyu 2009Advanced Functional Materials2009,,:1
8Mapping of fruit apex shape related QTLs across multi-genetic backgrounds in cucumber(Cucumis sativus L.)显示文摘The shape of fruit apex is critical to appearance quality in cucumber(Cucumis sativus L.),of which the genetic basis was poorly understood,and the use of marker-assisted breeding for fruit apex improvement is not available yet.In this study,the variation of fruit apex in different cucumber ecotypes was evaluated by fruit apex angle(variation coefficient from 7.1%to 15.7%)and fruit apex index(variation coefficient from 8.8%to 22.6%).Fruit apex associated QTLs were mapped by using 145 F_(2:3) families and 155 F_(2:6) population that were derived from the cross of different ecotype cucumbers.Phenotyping of the mapping populations were conducted in four experiments in 2 years.Four majoreffect QTLs,Bfal4.1,Bfai4.1,Bfad6.1 and Bfai6.1 were consistently and reliably detected across two environments which could explain 11.6%-33.6%phenotypic variations(R^(2))in the F_(2:3) families.Three major-effect QTLs,Ofai4.1(R^(2)=13.4%-15.5%),Ofal4.1(R^(2)=10.7%-12.8%),and Ofad6.1(R^(2)=11.6%-12.4%)were stably detected in the F_(2:6) population in two experiments.Bfai4.1,Bfal4.1,Ofai4.1 and Ofal4.1 were integrated to be consensus QTL fa4.1,within which 11 candidate genes were predicted.Bfai6.1 and Bfad6.1 were integrated to be consensus QTL fa6.1.QTL interaction analysis showed that Bfai6.1 has epistatic effect with Bfai4.1.This study revealed two reliable major-effect fruit apex related QTLs across multi-genetic backgrounds and environments in cucumber.The possible candidate genes regulating the shape of fruit apex,and the relationship between cell division and fruit apex morphogenesis were discussed.Pinyu Zhu Yongjiao Meng Kaijing Zhang Xueyan Wang Kun Liang Tuantuan Wang Jian Xu Xiaodong Qin Zhe Wu Chunyan Cheng Xiaqing Yu Chuntao Qian Qunfeng Lou Jinfeng Chen Ji Li 2022Horticultural Plant Journal2022,8,3:1
9Science behind nacre:matrix-directed mineralization at ambient condition显示文摘Mother Nature has demonstrated the importance of structural designs at multiscale:biological structural materials frequently adopt complex hierarchical structures to optimize their mechanical performance that is far beyond their abiotic counterparts[1].One of the most studied biological materials is the nacreous part in some mollusk shells,Qunfeng Cheng Lei Jiang 2016Science China Materials2016,59,11:1
10Sufficient descent nonlinear conjugate gradient methods with conjugacy condition显示文摘CHENG Wanyou LIU Qunfeng 2010Num- er Algor2010,53,:1
11Strong,tough,and thermally conductive nacre-inspired boron nitride nanosheet/epoxy layered nanocomposites显示文摘Thermally conductive polymer nanocomposites integrated with lightweight,excellent flexural strength,and high fracture toughness(KIc)would be of great use in many fields.However,achieving all of these properties simultaneously remains a great challenge.Inspired by natural nacre,here we demonstrate a lightweight,strong,tough,and thermally conductive boron nitride nanosheet/epoxy layered(BNNEL)nanocomposite.Because of the layered structure and enhancing the interfacial interactions through hydrogen bonding and Si–O–B covalent bonding,the resulting nacre-inspired BNNEL nanocomposites show high fracture toughness of~4.22 MPa·m^(1/2),which is 7 folds as high as pure epoxy.Moreover,the BNNEL nanocomposites demonstrate sufficient flexural strength(~168.90 MPa,comparable to epoxy resin),while also being lightweight(~1.23 g/cm^(3)).Additionally,the BNNEL nanocomposites display a thermal conductivity(κ)of~0.47 W/(m·K)at low boron nitride nanosheet loading of 2.08 vol.%,which is 2.7 times higher than that of pure epoxy resin.The developed nacre-inspired strategy of layered structure design and interfacial enhancement provides an avenue for fabricating high mechanical properties and thermally conductive polymer nanocomposites.Huagao Wang Rongjian Lu Lei Li Cheng Liang Jia Yan Rui Liang Guoxing Sun Lei Jiang Qunfeng Cheng 2024Nano Research2024,17,2:1
12Im- provement of the impact damage resisitance of BMI/graphite lami- nates by the Ex-Situ Method 显示文摘Cheng Qunfeng Fang Zhengping Xu Yahong 2006High Performance Polymers2006,18,6:1
13Ex-situ concept for toughening the RTMable BMI matrix composites I: Improving the interlaminar fracture toughness 显示文摘Cheng Qunfeng Fartg Zhengping Yi Xiaosu An Xuefeng Tang Bangming Xu Yahong 2008Journal of Applied Polymer Science2008,109,3:1
14Ex-situ concept for toughening the RTMable BMI matrix composites Ⅱ Improving the compression after impact 显示文摘Cheng Qunfeng Fang Zhengping Yi Xiaosu An Xuefeng Tang Bangming Xu Yahong 2008Journal of Applied Polymer Science2008,108,4:1
15Improvement of the impact damage resistance of BMI/graphite iaminates by the ex- situ method 显示文摘Cheng Qunfeng Fang Zhengping Xu Yahong Yi Xiaosu 2006High Performance Polymers2006,18,6:1
16Ultra-tough artificial nacre based on conjugated cross-linked gra-phene oxide 显示文摘CHENG Qunfeng WU Mengxi LI Mingzhu 2013Angewarldte Chemie2013,125,13:1
17'Ex-situ' concept for toughening the RTM able BMI matrix com- posites, partI : Improving the interlaminar fracture toughness 显示文摘Cheng Qunfeng Fang Zhengping Yi Xiaosu 2008Journal of Applied Polymer Science2008,109,:1
18Im- provement of the impact damage resisitance of BMI/graphite lami- nates hy the Ex-Situ method 显示文摘Cheng Qunfeng Fang Zhengping Xu Yahong al 2006High Performance Polymers2006,18,:1
19Bioin-spired layered composites based on flattened double-walledcarbon nanotubes 显示文摘CHENG Qunfeng LI Mingzhu JIANG Lei 2012Advanced Materials2012,24,14:1
20Syn-ergistic toughening of bio-inspired poly (vinyl alcohol)-claynanofibrillar cellulose artificial nacre 显示文摘WANG Jianfeng CHENG Qunfeng LIN Ling 2014ACS Nano2014,83,:1
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