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Author Yujun Ren

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MicroRNA840 accelerates leaf senescence by targeting the overlapping 3’UTRs of PPR and WHIRLY3 in Arabidopsis thaliana

Ren Yujun, Wang Wanzhen, Lan Wei, Schenke Dirk, Cai Daguang, Miao Ying,

MicroRNAs (miRNAs) negatively regulate gene expression by cleaving the target mRNA and/or impairing its translation, thereby playing a crucial role in plant development and environmental stress responses. In Arabidopsis, MIR840 is located within the overlapping 3’UTR of PPR and WHIRLY3 (WHY3), both being predicted targets of miR840. Gain- and loss-of-function ... Read more >>

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Triple-localized WHIRLY2 Influences Leaf Senescence and Silique Development via Carbon Allocation.

Chenxing Huang, Jinfa Yu, Qian Cai, Yuxiang Chen, Yanyun Li, Yujun Ren, Ying Miao,

Coordination of gene expression in mitochondria, plastids, and nucleus is critical for plant development and survival. Although WHIRLY2 (WHY2) is involved in mitochondrial genome repair and affects the DNA copy number of the mitochondrial genome, the detailed mechanism of action of the WHY2 protein is still elusive. In this study, ... Read more >>

Plant Physiol (Plant physiology)
[2020, 184(3):1348-1362]

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Attenuation of epigenetic regulator SMARCA4 and ERK-ETS signaling suppresses aging-related dopaminergic degeneration.

Ling Sun, Jie Zhang, Wenfeng Chen, Yun Chen, Xiaohui Zhang, Mingjuan Yang, Min Xiao, Fujun Ma, Yizhou Yao, Meina Ye, Zhenkun Zhang, Kai Chen, Fei Chen, Yujun Ren, Shiwei Ni, Xi Zhang, Zhangming Yan, Zhi-Rong Sun, Hai-Meng Zhou, Hongqin Yang, Shusen Xie, M Emdadul Haque, Kun Huang, Yufeng Yang,

How complex interactions of genetic, environmental factors and aging jointly contribute to dopaminergic degeneration in Parkinson's disease (PD) is largely unclear. Here, we applied frequent gene co-expression analysis on human patient substantia nigra-specific microarray datasets to identify potential novel disease-related genes. In vivo Drosophila studies validated two of 32 candidate ... Read more >>

Aging Cell (Aging cell)
[2020, 19(9):e13210]

Cited: 2 times

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Attenuation of epigenetic regulator SMARCA4 and ERK-ETS signaling suppresses aging-related dopaminergic degeneration

Ling Sun, Jie Zhang, Wenfeng Chen, Yun Chen, Xiaohui Zhang, Mingjuan Yang, Min Xiao, Fujun Ma, Yizhou Yao, Meina Ye, Zhenkun Zhang, Kai Chen, Fei Chen, Yujun Ren, Shiwei Ni, Xi Zhang, Zhangming Yan, Zhi-Rong Sun, Hai-Meng Zhou, Hongqin Yang, Shusen Xie, Emdadul Haque, Kun Huang, Yufeng Yang,

<h4>ABSTRACT</h4> Parkinson’s disease (PD) is a complex disease with high heterogeneity. How complex interactions of genetic, environmental factors and aging jointly contribute to dopaminergic degeneration in PD is largely unclear. Here, we applied frequent gene co-expression analysis on human patient substantia nigra-specific microarray datasets to identify potential novel disease-related genes. ... Read more >>

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Genome-Wide Characterization and Gene Expression Analyses of GATA Transcription Factors in Moso Bamboo (Phyllostachys edulis).

Taotao Wang, Yong Yang, Shuaitong Lou, Wei Wei, Zhixin Zhao, Yujun Ren, Chentao Lin, Liuyin Ma,

Moso bamboo is well-known for its rapid-growth shoots and widespread rhizomes. However, the regulatory genes of these two processes are largely unexplored. GATA transcription factors regulate many developmental processes, but their roles in moso bamboo height control and rhizome development remains unexplored. Here, thirty-one bamboo GATA factors (PeGATAs) were identified, ... Read more >>

Int J Mol Sci (International journal of molecular sciences)
[2019, 21(1):]

Cited: 2 times

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H2O2 as a Feedback Signal on Dual-Located WHIRLY1 Associates with Leaf Senescence in Arabidopsis.

Wenfang Lin, Dongmei Huang, Ximiao Shi, Ban Deng, Yujun Ren, Wenxiong Lin, Ying Miao,

Leaf senescence, either as a natural stage of development or as an induced process under stress conditions, incorporates multiple intricate signaling pathways. At the cellular level, retrograde signals have been considered as important players during the initiation and progression of senescence in both animals and plants. The plant-specific single-strand DNA-binding ... Read more >>

Cells (Cells)
[2019, 8(12):]

Cited: 2 times

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WHIRLY1 Occupancy Affects Histone Lysine Modification and WRKY53 Transcription in Arabidopsis Developmental Manner.

Dongmei Huang, Wei Lan, Danjing Li, Ban Deng, Wenfang Lin, Yujun Ren, Ying Miao,

Single-stranded DNA-binding proteins (SSBs) are assumed to involve in DNA replication, DNA repairmen, and gene transcription. Here, we provide the direct evidence on the functionality of an <i>Arabidopsis</i> SSB, WHIRLY1, by using loss- or gain-of-function lines. We show that WHIRLY1 binding to the promoter of <i>WRKY53</i> represses the enrichment of ... Read more >>

Front Plant Sci (Frontiers in plant science)
[2018, 9:1503]

Cited: 2 times

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Isolation, Purification, and Detection of Micro RNAs in Plant Senescence.

Yujun Ren, Ying Miao,

Micro RNAs (miRNAs) are small noncoding RNA molecules that function in transcriptional level to regulate gene expression both in plants and animals. Increasing researches have shown that miRNAs are key regulators in plant development and stress responses, and emerging evidence indicates the potential role of miRNAs on plant senescence. In ... Read more >>

Methods Mol Biol (Methods in molecular biology (Clifton, N.J.))
[2018, 1744:247-265]

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Structure of Pigment Metabolic Pathways and Their Contributions to White Tepal Color Formation of Chinese Narcissus tazetta var. chinensis cv Jinzhanyintai.

Yujun Ren, Jingwen Yang, Bingguo Lu, Yaping Jiang, Haiyang Chen, Yuwei Hong, Binghua Wu, Ying Miao,

Chinese narcissus (<i>Narcissus tazetta</i> var. <i>chinensis</i>) is one of the ten traditional flowers in China and a famous bulb flower in the world flower market. However, only white color tepals are formed in mature flowers of the cultivated varieties, which constrains their applicable occasions. Unfortunately, for lack of genome information ... Read more >>

Int J Mol Sci (International journal of molecular sciences)
[2017, 18(9):]

Cited: 4 times

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Phosphorylation of WHIRLY1 by CIPK14 Shifts Its Localization and Dual Functions in Arabidopsis.

Yujun Ren, Yanyun Li, Youqiao Jiang, Binghua Wu, Ying Miao,

Plastid-to-nucleus retrograde signaling is critical for normal growth and development in plants. The dual-function and dual-located ssDNA binding protein WHIRLY1 (WHY1) has been proposed to coordinate the retrograde signaling from plastids to the nucleus. However, the regulatory mechanism governing the functional switch of WHY1 for mediating plastid-to-nucleus retrograde signaling remains ... Read more >>

Mol Plant (Molecular plant)
[2017, 10(5):749-763]

Cited: 22 times

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The single-stranded DNA-binding protein WHIRLY1 represses WRKY53 expression and delays leaf senescence in a developmental stage-dependent manner in Arabidopsis.

Ying Miao, Jingjing Jiang, Yujun Ren, Ziwei Zhao,

Leaf senescence in plants involves both positive and negative transcriptional regulation. In this work, we show evidence for the single-stranded DNA-binding protein WHIRLY1 (WHY1) that functions as an upstream suppressor of WRKY53 in a developmental stage-dependent manner during leaf senescence in Arabidopsis (Arabidopsis thaliana). The why1 mutant displayed an early-senescence ... Read more >>

Plant Physiol (Plant physiology)
[2013, 163(2):746-756]

Cited: 32 times

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Type 4 metallothionein genes are involved in regulating Zn ion accumulation in late embryo and in controlling early seedling growth in Arabidopsis.

Yujun Ren, Yang Liu, Hongyu Chen, Gang Li, Xuelian Zhang, Jie Zhao,

Type 4 metallothionein (MT) genes are recognized for their specific expression in higher plant seeds, but their functions are still unclear. In this study, the functions of two Arabidopsis metallothionein genes, AtMT4a and AtMT4b, are investigated in seed development, germination and early seedling growth. Transcriptional analysis showed that these two ... Read more >>

Plant Cell Environ (Plant, cell & environment)
[2012, 35(4):770-789]

Cited: 22 times

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Roles of arabinogalactan proteins in cotyledon formation and cell wall deposition during embryo development of Arabidopsis.

Jing Zhong, YuJun Ren, Miao Yu, TengFei Ma, XueLian Zhang, Jie Zhao,

Arabinogalactan proteins (AGPs) are a class of highly glycosylated, widely distributed proteins in higher plants. In the previous study, we found that the green fluorescence from JIM13-labeled AGPs was mainly distributed in embryo proper and the basal part of suspensor but gradually disappeared after the torpedo-stage embryos in Arabidopsis. And ... Read more >>

Protoplasma (Protoplasma)
[2011, 248(3):551-563]

Cited: 12 times

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Functional analysis of the rice metallothionein gene OsMT2b promoter in transgenic Arabidopsis plants and rice germinated embryos.

Yujun Ren, Jie Zhao,

In this paper, the promoter of a type 2 metallothionein gene OsMT2b was cloned in indica rice Jiayu948 and its function was analyzed in transgenic Arabidopsis plant and rice germinated embryo aided by a GUS reporter gene. The result shows that the full promoter drives GUS expression predominantly in the ... Read more >>

Plant Sci (Plant science : an international journal of experimental plant biology)
[2009, 176(4):528-538]

Cited: 3 times

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Functional analysis of the rice metallothionein gene OsMT2b promoter in transgenic Arabidopsis plants and rice germinated embryos

Ren, Zhao,

In this paper, the promoter of a type 2 metallothionein gene OsMT2b was cloned in indica rice Jiayu948 and its function was analyzed in transgenic Arabidopsis plant and rice germinated embryo aided by a GUS reporter gene. The result shows that the full promoter drives GUS expression predominantly in the ... Read more >>

Plant Sci (Plant science : an international journal of experimental plant biology)
[2009, 176(4):528-538]

Cited: 14 times

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Characteristic and expression analysis of a metallothionein gene, OsMT2b, down-regulated by cytokinin suggests functions in root development and seed embryo germination of rice.

Jing Yuan, Dan Chen, Yujun Ren, Xuelian Zhang, Jie Zhao,

Metallothioneins (MTs) are low molecular mass and cysteine-rich metal-binding proteins known to be mainly involved in maintaining metal homeostasis and stress responses. But, their functions in higher plant development are scarcely studied. Here, we characterized rice (Oryza sativa) METALLOTHIONEIN2b (OsMT2b) molecularly and found that its expression was down-regulated by cytokinins. ... Read more >>

Plant Physiol (Plant physiology)
[2008, 146(4):1637-1650]

Cited: 58 times

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