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Dek42 encodes an RNA-binding protein that affects alternative pre-m RNA splicing and maize kernel development

Journal of Integrative Plant Biology 2019年第6期61卷 728-748页

作者： Yi Zuo Fan Feng Weiwei Qi Rentao Song State Key Laboratory of Plant Physiology and Biochemistry National Maize Improvement CenterBeijing Key Laboratory of Crop Genetic ImprovementJoint International Research Laboratory of Crop Molecular BreedingCollege of Agronomy and BiotechnologyChina Agricultural UniversityBeijing 100193China Shanghai Key Laboratory of Bio-Energy Crops Plant Science CenterSchool of Life SciencesShanghai UniversityShanghai 200444China

RNA-binding proteins (RBPs) play an important role in post-transcriptional gene regulation. However, the functions of RBPs in plants remain poorly understood. Maize kernel mutant dek42 has small defective kernels and lethal seedlings. Dek42 was cloned by Mutator tag isolation and further confirmed by an independent mutant allele and clustered regularly interspaced short palindromic repeats (CRISPR)-CRISPR-associated protein 9 materials. Dek42 encodes an RRM_RBM48 type RNA-binding protein that localizes to the nucleus. Dek42 is constitutively expressed in various maize tissues. The dek42 mutation caused a significant reduction in the accumulation of DEK42 protein in mutant kernels. RNA-seq analysis showed that the dek42 mutation significantly disturbed the expression of thousands of genes during maize kernel development. Sequence analysis also showed that the dek42 mutation significantly changed alternative splicing in expressed genes, which were especially enriched for the U12-type intron-retained type. Yeast two-hybrid screening identified SF3a1 as a DEK42-interacting protein. DEK42 also interacts with the spliceosome component U1-70K. These results suggested that DEK42 participates in the regulation of pre-messenger RNA splicing through its interaction with other spliceosome components. This study showed the function of a newly identified RBP and provided insights into alternative splicing regulation during maize kernel development.

关键词： Dek42 encodes an RNA-binding protein that affects alternative pre-mRNA splicing and maize kernel development^FA Dek42 encodes

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A study that redefines the concept of a well-known orchid–pollinator attraction strategy

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National Science Review 2024年第5期11卷 98-99页

作者： Hong Liu Department of Earth and Environment International Center for Tropical Botany Florida International University The Fairchild Tropical Botanic Garden

Zhang and collaborators [1] demonstrated that bees of the genus Ctenoplectra collect oil from the newly reported oilreward orchids of the genera Dendrobium and Galeola in Asia, and that the majority of the bees that carry out this act and pollinate the orchids are male. These are new discoveries with significant implications for biodiversity conservation.

关键词： strategy concept study that attraction orchid pollinator redefines well-known

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Yearning for that Piece of Green Meadow

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中国翻译 1998年第6期 48-49页

ＩｔｗａｓａＦｅｂｒｕａｒｙｄａｙｉｎｅａｒｌｙｓｐｒｉｎｇｔｈａｔＩｇｏｔｔｏｋｎｏｗｔｈａｔｇｒｅｅｎｍｅａｄｏｗ．Ｅｖｅｒｙｔｈｉｎｇａｒｏｕｎｄｔｈｅｇｒｅｅｎｍｅａｄｏｗｗａｓｔｒａｎｑｕｉｌｗｈｅｎｉｔｄ... 详细信息

ＩｔｗａｓａＦｅｂｒｕａｒｙｄａｙｉｎｅａｒｌｙｓｐｒｉｎｇｔｈａｔＩｇｏｔｔｏｋｎｏｗｔｈａｔｇｒｅｅｎｍｅａｄｏｗ．Ｅｖｅｒｙｔｈｉｎｇａｒｏｕｎｄｔｈｅｇｒｅｅｎｍｅａｄｏｗｗａｓｔｒａｎｑｕｉｌｗｈｅｎｉｔｄｉｓｃｒｅｅｔｌｙ，ｗｉｔｈｙｏｕ...

关键词： that Yearning Piece Green Meadow

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ISSUES that ARE OF IMPORTANCE FOR THE INTERNATIONAL COMMISSION ON RADIOLOGICAL PROTECTION AS THE MILLENNIUM APPROACHES

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辐射防护 1998年第Z1期18卷 5-12页

作者： Roger H Clarke(Chairman, International Commission on Radiological Protection)

１Ｉｎｔｒｏｄｕｃｔｉｏｎ１．ＴｈｅｐｒｉｍａｒｙｂｏｄｙｉｎｒａｄｉｏｌｏｇｉｃａｌｐｒｏｔｅｃｔｉｏｎｉｓＩＣＲＰ．Ｉｔｗａｓｆｏｒｍｅｄｉｎ１９２８ａｓｔｈｅＩｎｔｅｒｎａｔｉｏｎａｌＸｒａｙａｎｄＲａｄｉｕ... 详细信息

１Ｉｎｔｒｏｄｕｃｔｉｏｎ１．ＴｈｅｐｒｉｍａｒｙｂｏｄｙｉｎｒａｄｉｏｌｏｇｉｃａｌｐｒｏｔｅｃｔｉｏｎｉｓＩＣＲＰ．Ｉｔｗａｓｆｏｒｍｅｄｉｎ１９２８ａｓｔｈｅＩｎｔｅｒｎａｔｉｏｎａｌＸｒａｙａｎｄＲａｄｉｕｍＰｒｏｔｅｃｔｉｏｎＣｏｍｍｉｔ...

关键词： AS PROTECTION MILLENNIUM that OF APPROACHES

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Modular-integrative modeling: a new framework for building brain models that blend biological realism and functional performance

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National Science Review 2024年第5期11卷 13-16页

作者： Mario Senden Sacha J.van Albada Giovanni Pezzulo Egidio Falotico Ibrahim Hashim Alexander Kroner Anno C.Kurth Pablo Lanillos Vaishnavi Narayanan Cyriel Pennartz Mihai A.Petrovici Lea Steffen Tonio Weidler Rainer Goebel Department of Cognitive Neuroscience Maastricht University Maastricht Brain Imaging Centre Maastricht University Institute of Neuroscience and Medicine(INM-6) and Institute for Advanced Simulation(IAS-6) and JARA-Institut Brain Structure-Function Relationships(INM-10) Jülich Research Center Institute of Zoology University of Cologne Institute of Cognitive Sciences and Technologies The Bio Robotics Institute Scuola Superiore Sant'Anna RWTH Aachen University Donders Institute for Brain Cognition and BehaviorRadboud University Cognitive and Systems Neuroscience Group Swammerdam Institute for Life Sciences University of Amsterdam Department of Physiology University of Bern FZI Research Center of Information Technology

To cope with the immense complexity of the brain, neuroscientific research often focuses on isolated brain structures or circumscribed perceptual, cognitive or motor functions [1]. This reductionist approach overlooks the intricate and multifaceted interplay among various structural and functional *** instance, even simple movements require the coordinated activation of numerous neuronal populations across multiple brain regions [2].

关键词： framework building modeling models brain that biological blend functional integrative

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Theoretical Proposal for a Planar Single-Layer Carbon that Shows a Potential in Superconductivity

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Chinese Physics Letters 2019年第9期36卷 4-4页

作者： Yan-Ming Ma State Key Lab of Superhard Materials College of PhysicsJilin UniversityChangchun 130012

Single-layer superconductors[1]have been the subject of considerable interests as they are ideal systems for the fundamental understanding of two-dimensional(2D)physics and for device applications.A few singlelayer superconductors are experimentally achieved(e.g.,FeSe,MoS2,and NbSe2[2-4]in the field where either charge doping or tensile strain is often required to promote the superconductivity.

关键词： Theoretical Proposal for a Planar Single-Layer Carbon that Shows a Potential in Superconductivity

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that's

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小学生时代（大嘴英语） 2023年第9期 26-29页

作者： Ruochen Shen 不详

不论你是否喜欢购物,都不得不承认,购物的乐趣有相当一部分来自讨价还价。本期就来教你如何用英语“砍价”,以满意的价格拿下心仪之物。

关键词：讨价还价砍价 that

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that能用来引导非限定性定语从句吗？

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外国语 1996年第6期19卷 57-60页

作者：成善祯镇江师范专科学校

ＴＨＡＴ能用来引导非限定性定语从句吗？成善祯Ａｂｓｔｒａｃｔ：ＡｍｉｓｃｏｎｃｅｐｔｉｏｎｌｏｎｇａｎｄｗｉｄｅｌｙａｃｃｅｐｔｅｄｉｓｔｈａｔｒｅｌａｔｉｖｅｐｒｏｎｏｕｎＴＨＡＴｃａｎｎｏｔｂｅｕｓｅｄｔｏｉｎｔ... 详细信息

ＴＨＡＴ能用来引导非限定性定语从句吗？成善祯Ａｂｓｔｒａｃｔ：ＡｍｉｓｃｏｎｃｅｐｔｉｏｎｌｏｎｇａｎｄｗｉｄｅｌｙａｃｃｅｐｔｅｄｉｓｔｈａｔｒｅｌａｔｉｖｅｐｒｏｎｏｕｎＴＨＡＴｃａｎｎｏｔｂｅｕｓｅｄｔｏｉｎｔｒｏｄｕｃｅａｎｏｎｒｅｓｔｒｉｃ...

关键词：非限制性定语从句限定句非限定性关系代词状语从句语义功能 that 言语行为句法功能感情色彩

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PEN TO PAPER The Winners of the that's PRD Writing Contest Spring 2018

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城市漫步（GBA版） 2018年第6期 10-13页

In early April,we called upon our readers to submit their best written work in our second-ever that's PRD Writing *** like our inaugural literary competition back in 2016,we received a huge number of submissions from ... 详细信息

关键词： Pearl submit that

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Transportation of Two Coupled Particles in an Asymmetric Saw-Tooth Potential

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Chinese Physics Letters 2016年第2期33卷 13-16页

作者：孔令伟万荣正方海平 Division of Interfacial Water Shanghai Institute of Applied PhysicsChinese Academy of Sciences University of Chinese Academy of Sciences

Based on a simple model, we theoretically show the transport behaviors of two harmonically coupled Brownian particles in an asymmetric saw-tooth potential with two slopes. The coupled particles are subject to stochastic fluctuations. It is found that when the equilibrium distance of the coupled particles is between the two slopes of the potential, the transport direction of the coupled particles will be reversed with a certain harmonic coupling strength. This current reversal can be easily understood with the near rigid approximation, where the two coupled particles can be regarded as a single particle in an effective potential. Compared with the original saw-tooth potential, the asymmetry of the effective potential could be reversed when the equilibrium distance is between the two slopes of the original potential, which results in the current reversal.

关键词： of on be in Transportation of Two Coupled Particles in an Asymmetric Saw-Tooth Potential for is that

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