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| 1 | QNE1 is a key flowering regulator determining the length of the vegetative period in soybean cultivars显示文摘The soybean E1 gene is a major regulator that plays an important role in flowering time and maturity.However,it remains unclear how cultivars carrying the dominant E1 allele adapt to the higher latitudinal areas of northern China.We mapped the novel quantitative trait locus QNE1(QTL near E1) for flowering time to the region proximal to E1 on chromosome 6 in two mapping populations.Positional cloning revealed Glyma.06G204300,encoding a TCP-type transcription factor,as a strong candidate gene for QNE1.Association analysis further confirmed that functional single nucleotide polymorphisms(SNPs) at nucleotides 686 and 1,063 in the coding region of Glyma.06G204300 were significantly associated with flowering time.The protein encoded by the candidate gene is localized primarily to the nucleus.Furthermore,soybean and Brassica napus plants overexpressing Glyma.06G204300 exhibited early flowering.We conclude that despite their similar effects on flowering time,QNE1 and E4 may control flowering time through different regulatory mechanisms,based on expression studies and weighted gene co-expression network analysis of flowering time-related genes.Deciphering the molecular basis of QNE1 control of flowering time enriches our knowledge of flowering gene networks in soybean and will facilitate breeding soybean cultivars with broader latitudinal adaptation. | Zhengjun Xia Hong Zhai Yanfeng Zhang Yaying Wang Lu Wang Kun Xu Hongyan Wu Jinglong Zhu Shuang Jiao Zhao Wan Xiaobin Zhu Yi Gao Yingxiang Liu Rong Fan Shihao Wu Xin Chen Jinyu Liu Jiayin Yang Qijian Song Zhixi Tian | 2022 | Science China(Life Sciences)2022，65，12： | 1 |
| 2 | 材料、能源、机械工程中高效的电流变技术——从机理到应用显示文摘电流变(ER)技术是一种基于电流变效应的先进技术。电流变技术中最常见的材料是电流变液(ERF)。电流变液是一种软物质智能材料,其黏度可以通过施加电场来可逆地调节。电流变液的衍生物、一种新型的电响应软物质材料——电流变弹性体(ERE),由于其不沉降、易封装的优点也得到了越来越多的关注。电流变材料由于其可逆可调、快速响应、低能耗等特性在机械工程中有着广泛的应用。除了基础的电流变材料的合成和应用以外,电流变技术还应用在了能源材料制备、石油运输、储能等诸多领域。电流变技术在能源领域的应用为其在其他领域的潜在应用提供了一个很好的范例。本文结合最新的研究成果,从机理到应用,系统地综述了电流变技术在材料、能源和机械工程等领域的研究现状和未来发展前景。 | Yudai Liang Dongyang Huang Xuefeng Zhou Ziqiu Wang Quan Shi Yaying Hong Huayan Pu Mengying Zhang Jinbo Wu Weijia Wen | 2023 | Engineering2023，，5： | 0 |
| 3 | A Method for Calculating Stable and Unstable Manifolds of High Periodic Hyperbolic Orbits显示文摘A new method for calculating one-dimensional stable and unstable manifolds of hyperbolic points with arbitrary high periods is proposed.By using this method we were able to pinpoint with high precision the homoclinic and heteroclinic tangencies for the periodic hyperbolic orbits which appeared in the Henon map. | ZHAO Hong GU Yai | 1992 | Chinese Physics Letters1992，9，2： | 0 |
| 4 | Modification of Cre Gene by PCR Method显示文摘Cre/LoxP site-specified recombination system is mainly used for excision,inversion and integration of target gene.Therefore,this system can be used for plant marker free genetic transformation,site-specific transgene expression and so on.However,the application of this system was limited due to its low expression and excision efficiency.In this study,an intron,which can enhance gene expression in plants,was inserted into Cre by using PCR method.And a modified Cre gene,named Crein,was obtained.This gene was composed of three parts: ATG,intron,Cre gene without ATG.This gene can be used for further research to provide the good system for plant marker free transformation. | WANG Yong,LUO Hong,XU Yaying,LV Tao,and CHEN Dian College of Horticulture,Northeast Agricultural University,Harbin 150030,China | 2010 | Journal of Northeast Agricultural University(English Edition)2010，17，2： | 0 |
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