Search results for: Dao‐Xiu Zhou

Items from 1 to 20 out of 34 results

article

The F‐box protein SHORT PRIMARY ROOT modulates primary root meristem activity by targeting SEUSS‐LIKE protein for degradation in rice

Nini Ma, Nian Li, Zhongmao Yu, Chunli Chen, more

Journal of Integrative Plant Biology > 65 > 8 > 1937 - 1949

Root meristem activity is essential for root morphogenesis and adaptation, but the molecular mechanism regulating root meristem activity is not fully understood. Here, we identify an F‐box family E3 ubiquitin ligase named SHORT PRIMARY ROOT (SHPR) that regulates primary root (PR) meristem activity and cell proliferation in rice. SHPR loss‐of‐function mutations impair PR elongation in rice. SHPR is...

article

Metabolic regulation of the plant epigenome

Yue Lu, Qing Bu, Mingli Chuan, Xiaoyun Cui, more

The Plant Journal > 114 > 5 > 1001 - 1013

Chromatin modifications shape the epigenome and are essential for gene expression reprogramming during plant development and adaptation to the changing environment. Chromatin modification enzymes require primary metabolic intermediates such as S‐adenosyl‐methionine, acetyl‐CoA, alpha‐ketoglutarate, and NAD⁺ as substrates or cofactors. The availability of the metabolites depends on cellular nutrients,...

article

S‐Nitrosylation of the histone deacetylase HDA19 stimulates its activity to enhance plant stress tolerance in Arabidopsis

Yu Zheng, Zhenting Li, Xiaoyun Cui, Zheng Yang, more

The Plant Journal > 114 > 4 > 836 - 854

Arabidopsis histone deacetylase HDA19 is required for gene expression programs of a large spectrum of plant developmental and stress‐responsive pathways. How this enzyme senses cellular environment to control its activity remains unclear. In this work, we show that HDA19 is post‐translationally modified by S‐nitrosylation at 4 Cysteine (Cys) residues. HDA19 S‐nitrosylation depends on the cellular...

article

WOX11 and CRL1 act synergistically to promote crown root development by maintaining cytokinin homeostasis in rice

Leping Geng, Qi Li, Lele Jiao, Yimeng Xiang, more

New Phytologist > 237 > 1 > 204 - 216

Crown root (CR) morphogenesis is critical for normal growth and nutrition absorption in cereals. In rice, WUSCHEL‐RELATED HOMEOBOX11 (WOX11) and CROWN ROOTLESS1 (CRL1) play vital roles in controlling CR development. Despite their importance, whether and how the two regulators coordinate CR formation remains unclear. Electrophoretic mobility shift assays, transient expression, and chromatin immunoprecipitation...

article

Ustilaginoidea virens modulates lysine 2‐hydroxyisobutyrylation in rice flowers during infection

Xiaoyang Chen, Qiutao Xu, Yuhang Duan, Hao Liu, more

Journal of Integrative Plant Biology > 63 > 10 > 1801 - 1814

The post‐translational modification lysine 2‐hydroxyisobutyrylation (K_hib) plays an important role in gene transcription, metabolism, and enzymatic activity. K_hib sites have been identified in rice (Oryza sativa). However, the K_hib status of proteins in rice flowers during pathogen infection remains unclear. Here, we report a comprehensive identification of K_hib‐modified proteins in rice flowers,...

article

Histone deacetylase HDA710 controls salt tolerance by regulating ABA signaling in rice

Farhan Ullah, Qiutao Xu, Yu Zhao, Dao‐Xiu Zhou

Journal of Integrative Plant Biology > 63 > 3 > 451 - 467

Plants have evolved numerous mechanisms that assist them in withstanding environmental stresses. Histone deacetylases (HDACs) play crucial roles in plant stress responses; however, their regulatory mechanisms remain poorly understood. Here, we explored the function of HDA710/OsHDAC2, a member of the HDAC RPD3/HDA1 family, in stress tolerance in rice (Oryza sativa). We established that HDA710 localizes...

article

Arabidopsis histone deacetylase HDA15 directly represses plant response to elevated ambient temperature

Yuan Shen, Tingting Lei, Xiaoyun Cui, Xiaoyun Liu, more

The Plant Journal > 100 > 5 > 991 - 1006

Elevated ambient temperatures affect plant growth and substantially impact biomass and crop yield. Recent results have indicated that chromatin remodelling is critical in plant thermal responses but how histone modification dynamics affects plant thermal response has not been clearly demonstarted. Here we show that Arabidopsis histone deacetylase genes HDA9, HDA15 and HDA19 play distinct roles in...

article

GCN5 modulates trichome initiation in Arabidopsis by manipulating histone acetylation of core trichome initiation regulator genes

Tianya Wang, Qiming Jia, Wei Wang, Saddam Hussain, more

Plant Cell Reports > 2019 > 38 > 6 > 755-765

Key message Histone acetyltransferase GCN5 affects trichome initiation via mediating the expression of some core trichome initiation regulator genes in Arabidopsis. Abstract GENERAL CONTROL NON-REPRESSED PROTEIN5 (GCN5), a histone acetyltransferase involved in the regulation of cell differentiation, organ development, secondary metabolism, and plant responses to abiotic stresses, has recently been...

article

Histone acetyltransferase GCN5 contributes to cell wall integrity and salt stress tolerance by altering the expression of cellulose synthesis genes

Mei Zheng, Xingbei Liu, Jingchen Lin, Xinye Liu, more

The Plant Journal > 97 > 3 > 587 - 602

Excess soluble salts in soil are harmful to the growth and development of most plants. Evidence is emerging that the plant cell wall is involved in sensing and responding to salt stress, but the underlying mechanisms are not well understood. We reveal that the histone acetyltransferase General control non‐repressed protein 5 (GCN5) is required for the maintenance of cell wall integrity and salt stress...

article

Dynamics and functional interplay of histone lysine butyrylation, crotonylation, and acetylation in rice under starvation and submergence

Yue Lu, Qiutao Xu, Yuan Liu, Yue Yu, more

Genome Biology > 2018 > 19 > 1 > 1-14

Background Histone lysine acylations by short-chain fatty acids are distinct from the widely studied histone lysine acetylation in chromatin, although both modifications are regulated by primary metabolism in mammalian cells. It remains unknown whether and how histone acylation and acetylation interact to regulate gene expression in plants that have distinct regulatory pathways of primary metabolism...

article

JMJ24 antagonizes histone H3K9 demethylase IBM1/JMJ25 function and interacts with RNAi pathways for gene silencing

Laure Audonnet, Yuan Shen, Dao-Xiu Zhou

Gene Expression Patterns > 2017 > 25-26 > C > 1-7

Dimethylation of histone H3 lysine 9 (H3K9me2) is a heterochromatic mark linked to DNA methylation and gene repression. Removal of H3K9me2 from gene bodies by the jmjC histone demethylase IBM1/JMJ25 inhibits DNA methylation and derepresses gene expression. In this work, we analyzed the function of a closely related homolog of IBM1/JMJ25, namely JMJ24. We show that jmj24 mutations produced a number...

article

Histone acetyltransferase general control non‐repressed protein 5 (GCN5) affects the fatty acid composition of Arabidopsis thaliana seeds by acetylating fatty acid desaturase3 (FAD3)

Tianya Wang, Jiewen Xing, Xinye Liu, Zhenshan Liu, more

The Plant Journal > 88 > 5 > 794 - 808

Seed oils are important natural resources used in the processing and preparation of food. Histone modifications represent key epigenetic mechanisms that regulate gene expression, plant growth and development. However, histone modification events during fatty acid (FA) biosynthesis are not well understood. Here, we demonstrate that a mutation of the histone acetyltransferase GCN5 can decrease the ratio...

article

Control of Leaf Senescence by an MeOH-Jasmonates Cascade that Is Epigenetically Regulated by OsSRT1 in Rice

ChuanYing Fang, Hua Zhang, Jian Wan, YangYang Wu, more

Molecular Plant > 2016 > 9 > 10 > 1366-1378

Although considerable progress has been made in identifying the genes regulating accumulation of hormones that are involved in leaf senescence, only a few studies have focused on natural variations in jasmonates content and much less on the underlying genetic basis. Moreover, the epigenetic regulation of jasmonate-mediated leaf senescence remains largely unknown. In this study, we carried out metabolic...

article

OsSRT1 is involved in rice seed development through regulation of starch metabolism gene expression

Hua Zhang, Yue Lu, Yu Zhao, Dao-Xiu Zhou

Plant Science > 2016 > 248 > C > 28-36

OsSRT1 is a NAD⁺-dependent histone deacetylase, closely related to the human SIRT6 that plays key roles in genome stability and metabolic homeostasis. In this work, we investigated the role of OsSRT1 in rice seed development. Down-regulation of OsSRT1 induced higher expression of Rice Starch Regulator1 (RSR1) and amylases genes in developing seeds, which resulted in a decrease of starch synthesis...

article

Histone acetyltransferase GCN5 is essential for heat stress‐responsive gene activation and thermotolerance in Arabidopsis

Zhaorong Hu, Na Song, Mei Zheng, Xinye Liu, more

The Plant Journal > 84 > 6 > 1178 - 1191

Exposure to temperatures exceeding the normal optimum levels, or heat stress (HS), constitutes an environmental disruption for plants, resulting in severe growth and development retardation. Here we show that loss of function of the Arabidopsis histone acetyltransferase GCN5 results in serious defects in terms of thermotolerance, and considerably impairs the transcriptional activation of HS‐responsive...

article

Histone Acetylation Enzymes Coordinate Metabolism and Gene Expression

Yuan Shen, Wei Wei, Dao-Xiu Zhou

Trends in Plant Science > 2015 > 20 > 10 > 614-621

Histone lysine acetylation is well known for being important in the epigenetic regulation of gene expression in eukaryotic cells. Recent studies have uncovered a plethora of acetylated proteins involved in important metabolic pathways, such as photosynthesis and respiration in plants. Enzymes involved in histone acetylation and deacetylation are being identified as regulators of acetylation of metabolic...

article

Chromodomain, Helicase and DNA‐binding CHD1 protein, CHR5, are involved in establishing active chromatin state of seed maturation genes

Yuan Shen, Martine Devic, Loïc Lepiniec, Dao‐Xiu Zhou

Plant Biotechnology Journal > 13 > 6 > 811 - 820

Chromatin modification and remodelling are the basis for epigenetic regulation of gene expression. LEAFY COTYLEDON 1 (LEC1), LEAFY COTYLEDON 2 (LEC2), ABSCISIC ACID‐INSENSITIVE 3 (ABI3) and FUSCA3 (FUS3) are key regulators of embryo development and are repressed after seed maturation. The chromatin remodelling CHD3 protein PICKLE (PKL) is involved in the epigenetic silencing of the genes. However,...

article

The R2R3-type MYB gene OsMYB91 has a function in coordinating plant growth and salt stress tolerance in rice

Ning Zhu, Saifeng Cheng, Xiaoyun Liu, Hao Du, more

Plant Science > 2015 > 236 > Complete > 146-156

Plants have evolved a number of different mechanisms to respond and to adapt to abiotic stress for their survival. However, the regulatory mechanisms involved in coordinating abiotic stress tolerance and plant growth are not fully understood. Here, the function of OsMYB91, an R2R3-type MYB transcription factor of rice was explored. OsMYB91 was induced by abiotic stress, especially by salt stress....

article

Rice epigenomics and epigenetics: challenges and opportunities

Xiangsong Chen, Dao-Xiu Zhou

Current Opinion in Plant Biology > 2013 > 16 > 2 > 164-169

During recent years rice genome-wide epigenomic information such as DNA methylation and histone modifications, which are important for genome activity has been accumulated. The function of a number of rice epigenetic regulators has been studied, many of which are found to be involved in a diverse range of developmental and stress–responsive pathways. Analysis of epigenetic variations among different...

article

Arabidopsis histone deacetylase HDA9 regulates flowering time through repression of AGL19

Wanhui Kim, David Latrasse, Caroline Servet, Dao-Xiu Zhou

Biochemical and Biophysical Research Communications > 2013 > 432 > 2 > 394-398

Flowering time is tightly controlled by several regulatory pathways including photoperiod, vernalization in which epigenetic processes are involved. In this work, we have found that the Arabidopsis histone deacetylase gene HDA9 is involved in flowering time control. Mutation of the gene led to an early flowering phenotype in short day grown plants while without effect in long days. Analysis of flowering...

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INFONA - science communication portal

Search results for: Dao‐Xiu Zhou

The F‐box protein SHORT PRIMARY ROOT modulates primary root meristem activity by targeting SEUSS‐LIKE protein for degradation in rice

Metabolic regulation of the plant epigenome

S‐Nitrosylation of the histone deacetylase HDA19 stimulates its activity to enhance plant stress tolerance in Arabidopsis

WOX11 and CRL1 act synergistically to promote crown root development by maintaining cytokinin homeostasis in rice

Ustilaginoidea virens modulates lysine 2‐hydroxyisobutyrylation in rice flowers during infection

Histone deacetylase HDA710 controls salt tolerance by regulating ABA signaling in rice

Arabidopsis histone deacetylase HDA15 directly represses plant response to elevated ambient temperature

GCN5 modulates trichome initiation in Arabidopsis by manipulating histone acetylation of core trichome initiation regulator genes

Histone acetyltransferase GCN5 contributes to cell wall integrity and salt stress tolerance by altering the expression of cellulose synthesis genes

Dynamics and functional interplay of histone lysine butyrylation, crotonylation, and acetylation in rice under starvation and submergence

JMJ24 antagonizes histone H3K9 demethylase IBM1/JMJ25 function and interacts with RNAi pathways for gene silencing

Histone acetyltransferase general control non‐repressed protein 5 (GCN5) affects the fatty acid composition of Arabidopsis thaliana seeds by acetylating fatty acid desaturase3 (FAD3)

Control of Leaf Senescence by an MeOH-Jasmonates Cascade that Is Epigenetically Regulated by OsSRT1 in Rice

OsSRT1 is involved in rice seed development through regulation of starch metabolism gene expression

Histone acetyltransferase GCN5 is essential for heat stress‐responsive gene activation and thermotolerance in Arabidopsis

Histone Acetylation Enzymes Coordinate Metabolism and Gene Expression

Chromodomain, Helicase and DNA‐binding CHD1 protein, CHR5, are involved in establishing active chromatin state of seed maturation genes

The R2R3-type MYB gene OsMYB91 has a function in coordinating plant growth and salt stress tolerance in rice

Rice epigenomics and epigenetics: challenges and opportunities

Arabidopsis histone deacetylase HDA9 regulates flowering time through repression of AGL19

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