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Plant regeneration in the new era:from molecular mechanisms to biotechnology applications

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Science China(Life Sciences) 2024年第7期67卷 1338-1367页

作者： Chunli Chen Yuxin Hu Momoko Ikeuchi Yuling jiao Kalika Prasad Ying Hua Su Jun Xiao Lin Xu weibing Yang Zhong Zhao Wenkun Zhou Yun Zhou jian Gao jia-wei wang National Key Laboratory for Germplasm Innovation&Utilization of Horticultural Crops Hubei Hongshan LaboratoryHuazhong Agricultural UniversityWuhan 430070China College of Life Science and Technology Huazhong Agricultural UniversityWuhan 430070China Key Laboratory of Plant Molecular Physiology Institute of BotanyChinese Academy of Sciences(CAS)China National Botanical GardenBeijing 100093China Division of Biological Sciences Graduate School of Science and TechnologyNara Institute of Science and TechnologyNara 630-0192Japan State Key Laboratory of Protein and Plant Gene Research School of Life SciencesPeking UniversityBeijing 100871China Peking-Tsinghua Center for Life Sciences Center for Quantitative BiologyAcademy for Advanced Interdisciplinary StudiesPeking UniversityBeijing 100871China Indian Institute of Science Education and Research Pune 411008IndiaThiruvananthapuram 695551India State Key Laboratory of Wheat Improvement College of Life SciencesShandong Agricultural UniversityTai’an 271018China Sino-German Joint Research Center on Agricultural Biology Shandong Agricultural UniversityTai’an 271018China Key Laboratory of Plant Cell and Chromosome Engineering Institute of Genetics and Developmental Biology(IGDB)CASBeijing 100101China CAS-JIC Centre of Excellence for Plant and Microbial Science(CEPAMS) IGDBCASBeijing 100101China National Key Laboratory of Plant Molecular Genetics CEMPSInstitute of Plant Physiology and Ecology(SIPPE)CASShanghai 200032China CEPAMS SIPPECASShanghai 200032China Hefei National Laboratory for Physical Sciences at the Microscale CEMPSSchool of Life SciencesDivision of Life Sciences and MedicineUniversity of Science and Technology of ChinaHefei 230027China State Key Laboratory of Plant Environmental Resilience College of Biological SciencesChina Agricultural UniversityBeijing 100193China Department of Botany and Plant Pathology and Center for Plant Biology Purdue UniversityWest Lafayette 47907USA School of Life Science and Technology Shang

Plants or tissues can be regenerated through various *** animal regeneration,cell totipotency and pluripotency are the molecular basis of plant *** systematic studies on Arabidopsis thaliana gradually unravel the fundamental mechanisms and principles underlying plant ***,plant hormones,cell division,epigenetic remodeling,and transcription factors play crucial roles in reprogramming somatic cells and reestablishing meristematic *** research on basal non-vascular plants and monocot crops has revealed that plant regeneration differs among species,with various plant species using distinct mechanisms and displaying significant differences in regenerative *** multi-omics studies at the single-cell level,tracking plant regeneration processes in real-time,and deciphering the natural variation in regenerative capacity will ultimately help understand the essence of plant regeneration,improve crop regeneration efficiency,and contribute to future crop design.

关键词： apical meristem model species regeneration phytohormone plant cell reprogramming somatic embryogenesis

Genotypes and Phenotypes of Uygur Children With Xeroderma Pigmentosum: A Case Study in Xinjiang, China

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International Journal of Dermatology and Venereology 2024年第3期7卷 144-149页

作者： Yun Qiu wei-jia wang Jun-Qin Liang Buwajieer Yakeya Peng wang Jing-Zhan Zhang Xiao-Jing Kang Department of Dermatology and Venereology People’s Hospital of Xinjiang Uygur Autonomous RegionUrumqiXinjiang Uygur Autonomous Region 830001China Xinjiang Clinical Research Center for Dermatologic Diseases UrumqiXinjiang Uygur Autonomous Region 830001China Xinjiang Key Laboratory of Dermatology Research(XJYS1707) UrumqiXinjiang Uygur Autonomous Region 830001China

Objective:Xeroderma pigmentosum(XP)is a rare autosomal recessive dermatosis caused by genetic defects of DNA *** study was performed to detect and analyze the genes of 2 Uygur patients with XP and their families and assess the patients’phenotypes,which may enrich the understanding of the genetic skin disorder spectrum in Xinjiang ***:We collected the clinical data from 2 patients with XP and peripheral blood samples from the patients and their family *** patients’DNA was sequenced and detected by Sanger sequencing,and gene mutations were ***:The proband in family 1 presented with brown maculae at the exposure site and squamous cell carcinoma secondary to a facial *** proband had a homozygous nucleotide variation of XPC c.2251-2A>G(A change from A to G in the penultimate position of the intron before the 2251 position in the coding region),which was a shear *** this family,both parents were heterozygous,and no similar mutation detected in the *** family 2,the proband had scattered black brown spots and papules on the trunk and *** his younger sister was also a *** proband and his younger sister had homonucleotide variation of XPA c.631C>T,which was nonsense mutation,resulting in the codon for Arg No.211 being changed into termination codon(***211X),thus terminating the peptide chain synthesis *** the normal individuals in the two families were heterozygotes,and homozygous mutations occurred in all the patients,which was consistent with the autosomal recessive ***:XP is rare in Uygur *** study expanded the mutation spectrum of XP and provided a basis for early diagnosis,treatment,prognostic prediction,and prenatal genetic consultation.

关键词： xeroderma pigmentosum gene mutation XPA gene XPC gene

从损伤到重生——REF1小肽如何激发植物的内在再生潜能

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植物学报 2024年第3期59卷 347-350页

作者：廖人玉王佳伟中国科学院分子植物科学卓越创新中心上海200032 中国科学院大学北京101408 新基石科学实验室上海200032

多细胞生物常因暴露在各种生物和非生物胁迫下而导致器官损伤或缺失。植物因固着性而演化出强大的再生能力以适应环境。尽管细胞损伤是植物组织修复和器官再生的原初物理诱因,然而引发再生反应局部伤口信号的化学本质及其调控再生机制... 详细信息

多细胞生物常因暴露在各种生物和非生物胁迫下而导致器官损伤或缺失。植物因固着性而演化出强大的再生能力以适应环境。尽管细胞损伤是植物组织修复和器官再生的原初物理诱因,然而引发再生反应局部伤口信号的化学本质及其调控再生机制一直是科学界的难解之谜。最近一项研究发现1个调控植物局部伤口响应与再生能力的小肽REF1。研究表明,REF1与其受体PORK1通过植物损伤响应及细胞重编程关键转录因子WIND1促进植物再生。尤为重要的是,外源施加REF1小肽可不同程度地提高几种作物的再生效率。这一发现不仅为理解植物损伤响应和再生的分子机制打开了全新视角,而且为提高作物的再生能力和遗传转化效率提供了潜在的应用策略。

关键词： REF1(REGENERATION FACTOR1) 植物诱导肽(Pep) 番茄损伤响应损伤信号再生再生因子系统素

The Combined Effect of Spin-Transfer Torque and Voltage-Controlled Strain Gradient on Magnetic Domain-Wall Dynamics:Toward Tunable Spintronic Neuron

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Chinese Physics Letters 2024年第5期41卷 120-137页

作者：郁国良何鑫岩施胜宾邱阳朱明敏王嘉维李燕李元勋王杰周浩淼 College of Information Engineering China Jiliang UniversityHangzhou 310018China The Key Laboratory of Electromagnetic Wave Information Technology and Metrology of Zhejiang Province Hangzhou 310018China Department of Engineering Mechanics Zhejiang UniversityHangzhou 310027China School of Electronic Science and Engineering University of Electronic Science and Technology of ChinaChengdu 611731China

Magnetic domain wall(DW), as one of the promising information carriers in spintronic devices, have been widely investigated owing to its nonlinear dynamics and tunable properties. Here, we theoretically and numerically demonstrate the DW dynamics driven by the synergistic interaction between current-induced spin-transfer torque(STT) and voltage-controlled strain gradient(VCSG) in multiferroic heterostructures. Through electromechanical and micromagnetic simulations, we show that a desirable strain gradient can be created and it further modulates the equilibrium position and velocity of the current-driven DW motion. Meanwhile, an analytical Thiele's model is developed to describe the steady motion of DW and the analytical results are quite consistent with the simulation data. Finally, we find that this combination effect can be leveraged to design DW-based biological neurons where the synergistic interaction between STT and VCSG-driven DW motion as integrating and leaking motivates mimicking leaky-integrate-and-fire(LIF) and self-reset function. Importantly, the firing response of the LIF neuron can be efficiently modulated, facilitating the exploration of tunable activation function generators, which can further help improve the computational capability of the neuromorphic system.

关键词： tunable synergistic integrating

Study of Surface Cell Madelung Constant and Surface Free Energy of Nanosized Crystal Grain

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Chinese Journal of Structural Chemistry 2005年第12期24卷 1369-1374页

作者： ZHANG wei-jia wang Tian-Min CUI Min School of Science Beijng University of Aeronutics and Astronautics Beijing 100083 China

Surface cell Madelung constant is firstly defined in calculating surface free energy of nanosized crystal grains, which explains the physical performance of small crystals and may be great benefit to make surface analysis and study dynamics of crystal nucleus growth. A new approximative expression of surface energy and relevant thermodynamic data was used in this calculation. A new formula and computing method for calculating the Madelung constant a of any complex crystals is proposed, and surface free energies and surface electrostatic energies of nanosized crystal grains as well as Madelung constant of some complex crystals are theoretically calculated in this paper. The surface free energy of nanosized crystal grain TiO2 and surface electrostatic energy（absolute value） of nanosized crystal grain α-A12O3 are found to be the biggest among other crystal grains.

关键词： Madelung constant surface free energy nanosized crystal grain

Regulation of Flowering Time by MicroRNAs

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Journal of Genetics and Genomics 2013年第5期40卷 211-215页

作者： Chuan-Miao Zhou jia-wei wang National Key Laboratory of Plant Molecular Genetics Institute of Plant Physiology and EcologyShanghai Institutes for Biological Sciences

The shoot apical meristem（SAM） continuously produces lateral organs in *** on the identity of the lateral organs,the life cycle of a plant can be divided into two phases： vegetative and *** SAM produces leaves during the vegetative phase,whereas it gives rise to flowers in the reproductive phase（reviewed in Poethig,2003）.The floral transition,namely the switch from vegetative to reproductive growth,

关键词： Regulation of Flowering Time by MicroRNAs FLC GA

Plant non-coding RNAs and epigenetics

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Science China(Life Sciences) 2018年第2期61卷 135-137页

作者： jia-wei wang Yijun Qi National Key Laboratory of Plant Molecular Genetics (NKLPMG) CAS Center for Excellence in Molecular Plant Sciences Institute of Plant Physiology and Ecology (SIPPE) Shanghai Institutes for Biological Sciences (SIBS) Shanghai 200032 China Shanghai Tech University Shanghai 200031 China Center for Plant Biology School of Life Sciences Tsinghua University Beijing 100084 China Tsinghua-Peking Center for Life Sciences Beijing 100084 China

Epigenetics plays a large role in various aspects of plant biology,including development,response to biotic and abiotic stresses,silencing of transposable elements,and maintenance of genome *** plants,epigenetic regulation involves histone and DNA modifications and noncoding RNAs including small RNAs（s RNAs）and long noncoding RNAs（lnc RNAs）.This issue of Science China Life Sciences includes five review articles and eight research

关键词： SDG Plant non-coding RNAs and epigenetics RNA EFS DNA

Preparation of POE/PS Blends with Fine Particle Sizes by Diffusion and Subsequent Polymerization of Styrene in POE Pellets

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Chinese Journal of Polymer Science 2017年第8期35卷 939-949页

作者： wei-jia wang cheng-huan huang 郭朝霞于建 Key Laboratory of Advanced Materials (Ministry of Education) Department of Chemical Engineering Tsinghua University Beo'ing 100084 China

Ethylene-α-octene copolymer （POE）/polystyrene （PS） blend pellets with fine particle sizes were prepared by diffusion and subsequent polymerization of styrene in POE pellets through a one-pot procedure. The effects of the amounts of styrene and BPO on PS content, monomer efficiency and monomer conversion were investigated. The blend pellets were characterized by Micro-FTIR and FESEM, showing homogeneous diametrical distributions of PS and particle size. After melt-processing into rods, the average particle sizes are almost doubled, but still in submicron scale. Compared to neat POE rods, the blend rods with PS content higher than 15% exhibit improved tensile modulus and tensile strength without significantly losing ductility, being attributed to the small sizes, complex nature of particles and the existence of POE-g-PS copolymer that result in good interfacial adhesion. POE/PS pellets were compared with the previously reported PP/PS pellets, and the differences between the two systems are attributed to the different morphology of the two matrices： POE is completely amorphous at the diffusion and polymerization temperature, while iPP is semicrystalline. Without efficient impediment of the crystal lamellae in POE pellets, styrene diffuses easily in POE pellets.

关键词： Blends Mechanical properties Nanostructured polymers Polystyrene

The role of miRi56 in rejuvenation in Arabidopsis thaliana

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Journal of Integrative Plant Biology 2020年第5期62卷 550-555页

作者： Bin-Bin Ye Ke Zhang jia-wei wang National Key Laboratory of Plant Molecular Genetics(NKLPMG) CAS Center for Excellence in Molecular Plant SciencesInstitute of Plant Physiology and Ecology(SIPPE)the Chinese Academy of Sciences(CAS)Shanghai 200032China University of Chinese Academy of Sciences Beijing 100049Beijing School of Life Science and Technology ShanghaiTech UniversityShanghai 200031China

Rejuvenation refers to the process enabling plants to regain physlological and molecular characteristics lost after entering the adult phase. The underlying molecular mechanism is pooly under-stood. Previous studies have revealed that mi-CroRNA156 (miR156) is highly accumulated at juvenile stage and maintains juvenile traits by repressing a group of SQUAMOSA PROMOTER BINDING PROTEIN-LIKE (SPL) transcription factors. Here, we found that induction of miR156 expression in adult leaves can only restore some aspects of juvenile traits, such as loss of epidermal leaf hairs on the lower side of leaves and absence of serration at the leaf edges, but is incapable of delaying flowering and promoting adventitious root production.

关键词： traits Arabidopsis maintain