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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

A Single-Cell RNA Sequencing Profiles the Developmental Landscape of Arabidopsis Root

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Molecular Plant 2019年第5期12卷 648-660页

作者： Tian-Qi Zhang Zhou-Geng Xu Guan-Dong Shang 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)Shanghai 200032P.R.China University of Chinese Academy of Sciences Shanghai 200032P.R.China ShanghaiTech University Shanghai 200031P.R.China

Cells of eukaryotic multicellular organisms have inherent *** advances in single-cell gene expression studies enable us to explore transcriptional regulation in dynamic development processes and highly heterogeneous cell *** this study,using a high-throughput single-cell RNA-sequencing assay,we found that the cells in Arabidopsis root are highly heterogeneous in their transcriptomes.A total of 24 putative cell clusters and the cluster-specific marker genes were *** spatial distribution and temporal ordering of the individual cells at different developmental stages illustrate their hierarchical structures and enable the reconstruction of continuous differentiation trajectory of root ***,we found that each root cell cluster exhibits distinct patterns of ion assimilation and hormonal ***,our study reveals a high degree of heterogeneity of root cells and identifies the expression signatures of intermediate states during root cell differentiation at single-cell *** also established a web server(http://***/rootatlas/)to facilitate the use of the datasets generated in this study.

关键词： Arabidopsis root scRNA-seq cell atlas differentiation trajectory meristem

The role of miR156 in developmental transitions in Nicotiana tabacum

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Science China(Life Sciences) 2015年第3期58卷 253-260页

作者： ZHANG TianQi WANG JiaWei ZHOU ChuanMiao National Key Laboratory of Plant Molecular Genetics (NKLPMG) Institute of Plant Physiology and Ecology Shanghai Institutes for Biological Sciences (SIBS) University of Chinese Academy of Sciences

Plants undergo a series of developmental transitions during their life cycle. After seed germination, plants pass through two distinct phases: the vegetative phase in which leaves are produced and the reproductive phase in which flowering occurs. Based on the reproductive competence and morphological changes, the vegetative phase can be further divided into juvenile and adult phases. Here, we demonstrate that the difference between juvenile and adult phase of Nicotiana tabacum is characterized by the changes in leaf size, leaf shape as well as the number of leaf epidermal hairs(trichomes). We further show that miR156, an age-regulated microR NA, regulates juvenile-to-adult phase transition in N. tabacum. Overexpression of miR156 results in delayed juvenile-to-adult transition and flowering. Together, our results support an evolutionarily conserved role of miR156 in plant developmental transitions.

关键词： phase transition miR156 Nicotiana tabacum

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植物非编码RNA的研究进展与展望

中国基础科学 2016年第2期18卷 22-29,F0002,F0003页

作者：王佳伟毛颖波戚益军中国科学院上海植物生理生态研究所(植物分子遗传国家重点实验室) 上海200032 清华大学生命科学学院植物生物学研究中心

非编码RNA是当今国际生物学研究的热点之一。包括miRNA和siRNA在内的小RNA和长非编码RNA(lncRNA)可以在转录和转录后水平调节基因表达,在植物生长、发育、生物和非生物逆境生理等方面起着重要的调控作用。我国在植物非编码RNA的机理和... 详细信息

非编码RNA是当今国际生物学研究的热点之一。包括miRNA和siRNA在内的小RNA和长非编码RNA(lncRNA)可以在转录和转录后水平调节基因表达,在植物生长、发育、生物和非生物逆境生理等方面起着重要的调控作用。我国在植物非编码RNA的机理和应用方面的研究起步较早,通过近10年的蓬勃发展,涌现了一批从事植物非编码RNA研究的优秀团队。这些团队在模式植物拟南芥及水稻等农作物非编码RNA的产生、工作机理和应用研究上取得了一系列的重要突破性进展,在某些研究方向上处于国际领先水平,为我国植物非编码RNA研究的进一步发展打下了扎实的基础。本文对近年来植物非编码RNA领域国内外的重要进展进行了简要概述,并展望了未来植物非编码RNA的研究方向和拟解决的科学问题。

关键词：非编码RNA miRNA siRNA 长非编码RNA(lncRNA) RNAi