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Su Y, Ngea GLN, Wang K, Lu Y, Godana EA, Ackah M, Yang Q, Zhang H. Deciphering the mechanism of E3 ubiquitin ligases in plant responses to abiotic and biotic stresses and perspectives on PROTACs for crop resistance. PLANT BIOTECHNOLOGY JOURNAL 2024. [PMID: 38864414 DOI: 10.1111/pbi.14407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 05/12/2024] [Accepted: 05/27/2024] [Indexed: 06/13/2024]
Abstract
With global climate change, it is essential to find strategies to make crops more resistant to different stresses and guarantee food security worldwide. E3 ubiquitin ligases are critical regulatory elements that are gaining importance due to their role in selecting proteins for degradation in the ubiquitin-proteasome proteolysis pathway. The role of E3 Ub ligases has been demonstrated in numerous cellular processes in plants responding to biotic and abiotic stresses. E3 Ub ligases are considered a class of proteins that are difficult to control by conventional inhibitors, as they lack a standard active site with pocket, and their biological activity is mainly due to protein-protein interactions with transient conformational changes. Proteolysis-targeted chimeras (PROTACs) are a new class of heterobifunctional molecules that have emerged in recent years as relevant alternatives for incurable human diseases like cancer because they can target recalcitrant proteins for destruction. PROTACs interact with the ubiquitin-proteasome system, principally the E3 Ub ligase in the cell, and facilitate proteasome turnover of the proteins of interest. PROTAC strategies harness the essential functions of E3 Ub ligases for proteasomal degradation of proteins involved in dysfunction. This review examines critical advances in E3 Ub ligase research in plant responses to biotic and abiotic stresses. It highlights how PROTACs can be applied to target proteins involved in plant stress response to mitigate pathogenic agents and environmental adversities.
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Affiliation(s)
- Yingying Su
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Guillaume Legrand Ngolong Ngea
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
- Institute of Fisheries Sciences, University of Douala, Douala, Cameroon
| | - Kaili Wang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Yuchun Lu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Esa Abiso Godana
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Michael Ackah
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Qiya Yang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Hongyin Zhang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
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Zhang X, Yang M, Yang H, Pian R, Wang J, Wu AM. The Uptake, Transfer, and Detoxification of Cadmium in Plants and Its Exogenous Effects. Cells 2024; 13:907. [PMID: 38891039 PMCID: PMC11172145 DOI: 10.3390/cells13110907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2024] [Revised: 05/13/2024] [Accepted: 05/13/2024] [Indexed: 06/20/2024] Open
Abstract
Cadmium (Cd) exerts a toxic influence on numerous crucial growth and development processes in plants, notably affecting seed germination rate, transpiration rate, chlorophyll content, and biomass. While considerable advances in Cd uptake and detoxification of plants have been made, the mechanisms by which plants adapt to and tolerate Cd toxicity remain elusive. This review focuses on the relationship between Cd and plants and the prospects for phytoremediation of Cd pollution. We highlight the following issues: (1) the present state of Cd pollution and its associated hazards, encompassing the sources and distribution of Cd and the risks posed to human health; (2) the mechanisms underlying the uptake and transport of Cd, including the physiological processes associated with the uptake, translocation, and detoxification of Cd, as well as the pertinent gene families implicated in these processes; (3) the detrimental effects of Cd on plants and the mechanisms of detoxification, such as the activation of resistance genes, root chelation, vacuolar compartmentalization, the activation of antioxidant systems and the generation of non-enzymatic antioxidants; (4) the practical application of phytoremediation and the impact of incorporating exogenous substances on the Cd tolerance of plants.
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Affiliation(s)
- Xintong Zhang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou 510642, China (R.P.)
| | - Man Yang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou 510642, China (R.P.)
| | - Hui Yang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou 510642, China (R.P.)
| | - Ruiqi Pian
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou 510642, China (R.P.)
| | - Jinxiang Wang
- Root Biology Center, South China Agricultural University, Guangzhou 510642, China
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
- Key Laboratory of Agricultural and Rural Pollution Control and Environmental Safety in Guangdong Province, Guangzhou 510642, China
| | - Ai-Min Wu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou 510642, China (R.P.)
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Gracia-Rodriguez C, Lopez-Ortiz C, Flores-Iga G, Ibarra-Muñoz L, Nimmakayala P, Reddy UK, Balagurusamy N. From genes to ecosystems: Decoding plant tolerance mechanisms to arsenic stress. Heliyon 2024; 10:e29140. [PMID: 38601600 PMCID: PMC11004893 DOI: 10.1016/j.heliyon.2024.e29140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 03/28/2024] [Accepted: 04/01/2024] [Indexed: 04/12/2024] Open
Abstract
Arsenic (As), a metalloid of considerable toxicity, has become increasingly bioavailable through anthropogenic activities, raising As contamination levels in groundwater and agricultural soils worldwide. This bioavailability has profound implications for plant biology and farming systems. As can detrimentally affect crop yield and pose risks of bioaccumulation and subsequent entry into the food chain. Upon exposure to As, plants initiate a multifaceted molecular response involving crucial signaling pathways, such as those mediated by calcium, mitogen-activated protein kinases, and various phytohormones (e.g., auxin, methyl jasmonate, cytokinin). These pathways, in turn, activate enzymes within the antioxidant system, which combat the reactive oxygen/nitrogen species (ROS and RNS) generated by As-induced stress. Plants exhibit a sophisticated genomic response to As, involving the upregulation of genes associated with uptake, chelation, and sequestration. Specific gene families, such as those coding for aquaglyceroporins and ABC transporters, are key in mediating As uptake and translocation within plant tissues. Moreover, we explore the gene regulatory networks that orchestrate the synthesis of phytochelatins and metallothioneins, which are crucial for As chelation and detoxification. Transcription factors, particularly those belonging to the MYB, NAC, and WRKY families, emerge as central regulators in activating As-responsive genes. On a post-translational level, we examine how ubiquitination pathways modulate the stability and function of proteins involved in As metabolism. By integrating omics findings, this review provides a comprehensive overview of the complex genomic landscape that defines plant responses to As. Knowledge gained from these genomic and epigenetic insights is pivotal for developing biotechnological strategies to enhance crop As tolerance.
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Affiliation(s)
- Celeste Gracia-Rodriguez
- Laboratorio de Biorremediación, Facultad de Ciencias Biológicas, Universidad Autónoma de Coahuila, Torreón, Mexico
- Gus R. Douglass Institute and Department of Biology, West Virginia State University, Institute, Dunbar, WV 25112-1000, USA
| | - Carlos Lopez-Ortiz
- Gus R. Douglass Institute and Department of Biology, West Virginia State University, Institute, Dunbar, WV 25112-1000, USA
| | - Gerardo Flores-Iga
- Laboratorio de Biorremediación, Facultad de Ciencias Biológicas, Universidad Autónoma de Coahuila, Torreón, Mexico
- Gus R. Douglass Institute and Department of Biology, West Virginia State University, Institute, Dunbar, WV 25112-1000, USA
| | - Lizbeth Ibarra-Muñoz
- Laboratorio de Biorremediación, Facultad de Ciencias Biológicas, Universidad Autónoma de Coahuila, Torreón, Mexico
| | - Padma Nimmakayala
- Gus R. Douglass Institute and Department of Biology, West Virginia State University, Institute, Dunbar, WV 25112-1000, USA
| | - Umesh K. Reddy
- Gus R. Douglass Institute and Department of Biology, West Virginia State University, Institute, Dunbar, WV 25112-1000, USA
| | - Nagamani Balagurusamy
- Laboratorio de Biorremediación, Facultad de Ciencias Biológicas, Universidad Autónoma de Coahuila, Torreón, Mexico
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Karle SB, Kumar K. Rice tonoplast intrinsic protein member OsTIP1;2 confers tolerance to arsenite stress. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133078. [PMID: 38056278 DOI: 10.1016/j.jhazmat.2023.133078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 10/23/2023] [Accepted: 11/22/2023] [Indexed: 12/08/2023]
Abstract
The International Agency for Research on Cancer categorizes arsenic (As) as a group I carcinogen. Arsenic exposure significantly reduces growth, development, metabolism, and crop yield. Tonoplast intrinsic proteins (TIPs) belong to the major intrinsic protein (MIP) superfamily and transport various substrates, including metals/metalloids. Our study aimed to characterize rice OsTIP1;2 in As[III] stress response. The gene expression analysis showed that the OsTIP1;2 expression was enhanced in roots on exposure to As[III] treatment. The heterologous expression of OsTIP1;2 in S. cerevisiae mutant lacking YCF1 (ycf1∆) complemented the As[III] transport function of the YCF1 transporter but not for boron (B) and arsenate As[V], indicating its substrate selective nature. The ycf1∆ mutant expressing OsTIP1;2 accumulated more As than the wild type (W303-1A) and ycf1∆ mutant strain carrying the pYES2.1 vector. OsTIP1;2 activity was partially inhibited in the presence of the aquaporin (AQP) inhibitors. The subcellular localization studies confirmed that OsTIP1;2 is localized to the tonoplast. The transient overexpression of OsTIP1;2 in Nicotiana benthamiana leaves resulted in increased activities of enzymatic and non-enzymatic antioxidants, suggesting a potential role in mitigating oxidative stress induced by As[III]. The transgenic N. tabacum overexpressing OsTIP1;2 displayed an As[III]-tolerant phenotype, with increased fresh weight and root length than the wild-type (WT) and empty vector (EV line). The As translocation factor (TF) for WT and EV was around 0.8, while that of OE lines was around 0.4. Moreover, the OE line bioconcentration factor (BCF) was more than 1. Notably, the reduced TF and increased BCF in the OE line imply the potential of OsTIP1;2 for phytostabilization.
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Affiliation(s)
- Suhas Balasaheb Karle
- Birla Institute of Technology and Science, Pilani, K K Birla Goa Campus, Goa 403726, India
| | - Kundan Kumar
- Birla Institute of Technology and Science, Pilani, K K Birla Goa Campus, Goa 403726, India.
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Bai Y, Wan X, Lei M, Wang L, Chen T. Research advances in mechanisms of arsenic hyperaccumulation of Pteris vittata: Perspectives from plant physiology, molecular biology, and phylogeny. JOURNAL OF HAZARDOUS MATERIALS 2023; 460:132463. [PMID: 37690196 DOI: 10.1016/j.jhazmat.2023.132463] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 08/24/2023] [Accepted: 08/31/2023] [Indexed: 09/12/2023]
Abstract
Pteris vittata, as the firstly discovered arsenic (As) hyperaccumulator, has great application value in As-contaminated soil remediation. Currently, the genes involved in As hyperaccumulation in P. vittata have been mined continuously, while they have not been used in practice to enhance phytoremediation efficiency. Aiming to better assist the practice of phytoremediation, this review collects 130 studies to clarify the progress in research into the As hyperaccumulation process in P. vittata from multiple perspectives. Antioxidant defense, rhizosphere activities, vacuolar sequestration, and As efflux are important physiological activities involved in As hyperaccumulation in P. vittata. Among related 19 genes, PHT, TIP, ACR3, ACR2 and HAC family genes play essential roles in arsenate (AsⅤ) transport, arsenite (AsⅢ) transport, vacuole sequestration of AsⅢ, and the reduction of AsⅤ to AsⅢ, respectively. Gene ontology enrichment analysis indicated it is necessary to further explore genes that can bind to related ions, with transport activity, or with function of transmembrane transport. Phylogeny analysis results implied ACR2, HAC and ACR3 family genes with rapid evolutionary rate may be the decisive factors for P. vittata as an As hyperaccumulator. A deeper understanding of the As hyperaccumulation network and key gene components could provide useful tools for further bio-engineered phytoremediation.
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Affiliation(s)
- Yang Bai
- Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; Sino-Danish College, University of Chinese Academy of Sciences, Beijing 100049, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiaoming Wan
- Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Mei Lei
- Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lingqing Wang
- Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Tongbin Chen
- Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
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Wen Y, Chairattanawat C, Vo KTX, Liu J, Zhang J, Pan T, Kim DY, Martinoia E, Zhong CY, Wang MH, Jeon JS, Song WY. VOZ1 and VOZ2 transcription factors regulate arsenic tolerance and distribution in rice and Arabidopsis. FRONTIERS IN PLANT SCIENCE 2023; 14:1209860. [PMID: 37799560 PMCID: PMC10548236 DOI: 10.3389/fpls.2023.1209860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 08/23/2023] [Indexed: 10/07/2023]
Abstract
Rice is the major source of arsenic (As) intake in humans, as this staple crop readily accumulates As in the grain. Identifying the genes and molecular mechanisms underlying As accumulation and tolerance is a crucial step toward developing rice with reduced As levels. We identified 25 rice genes that improve As tolerance in yeast cells by expressing a complementary DNA (cDNA) library generated from As-treated rice roots. Among them, a zinc finger-type transcription factor VASCULAR PLANT ONE- ZINC FINGER 1 (OsVOZ1) (OsVOZ1) conferred the most pronounced As tolerance. OsVOZ1 inhibits As accumulation in yeast via activation of As efflux transporter Acr3p by post-transcriptional modification in yeast. The Arabidopsis voz1 voz2 double-knockout mutant exhibited As hypersensitivity, altered As concentrations in various tissues, and reduced As transport activity via the phloem. Arabidopsis and rice VOZs were highly expressed in phloem cells in various tissues, which are critical for As distribution in plant tissues. The double-knockdown and single-knockout plants of OsVOZ1 and OsVOZ2 reduced As accumulation in their seeds. These findings suggest that rice and Arabidopsis VOZs regulate the translocation of As into tissues by regulating the phloem loading of this element.
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Affiliation(s)
- Ying Wen
- Department of Horticulture, Foshan University, Foshan, Guangdong, China
| | - Chayanee Chairattanawat
- Department of Integrative Bioscience and Biotechnology, Pohang University of Science and Technology, Pohang, Republic of Korea
| | - Kieu Thi Xuan Vo
- Graduate School of Green-Bio Science and Crop Biotech Institute, Kyung Hee University, Yongin, Republic of Korea
| | - Jiayou Liu
- Department of Horticulture, Foshan University, Foshan, Guangdong, China
| | - Jie Zhang
- Department of Horticulture, Foshan University, Foshan, Guangdong, China
| | - Ting Pan
- Department of Horticulture, Foshan University, Foshan, Guangdong, China
| | - Do-Young Kim
- Advanced Bio-convergence Center, Pohang Technopark, Pohang, Republic of Korea
| | - Enrico Martinoia
- Institute of Plant Biology, University Zurich, Zurich, Switzerland
| | - Chun-Yan Zhong
- Zhaoqing Institute of Agricultural Sciences, Zhaoqing, China
| | - Mao-Hui Wang
- Zhaoqing Institute of Agricultural Sciences, Zhaoqing, China
| | - Jong-Seong Jeon
- Graduate School of Green-Bio Science and Crop Biotech Institute, Kyung Hee University, Yongin, Republic of Korea
| | - Won-Yong Song
- Department of Horticulture, Foshan University, Foshan, Guangdong, China
- Department of Integrative Bioscience and Biotechnology, Pohang University of Science and Technology, Pohang, Republic of Korea
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Zhang J, Wysocki R, Li F, Yu M, Martinoia E, Song WY. Role of ubiquitination in arsenic tolerance in plants. TRENDS IN PLANT SCIENCE 2023; 28:880-892. [PMID: 37002000 DOI: 10.1016/j.tplants.2023.03.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 02/18/2023] [Accepted: 03/09/2023] [Indexed: 06/19/2023]
Abstract
Arsenic (As) is harmful to all living organisms, including humans and plants. To limit As uptake and avoid its toxicity, plants employ systems that regulate the uptake of As from the soil and its translocation from roots to grains. Ubiquitination, a highly conserved post-translational modification (PTM) in all eukaryotes, plays crucial roles in modulating As detoxification mechanisms in budding yeast (Saccharomyces cerevisiae), but little is known about its roles in As tolerance and transport in plants. In this opinion article we review recent findings and suggest that ubiquitination plays a crucial role in regulating As transport in plants. We also propose ideas for future research to explore the importance of ubiquitination for enhancing As tolerance in crops.
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Affiliation(s)
- Jie Zhang
- Research Center for Environmental Membrane Biology and Department of Horticulture, Foshan University, Foshan, Guangdong 528000, China
| | - Robert Wysocki
- Faculty of Biological Sciences, University of Wroclaw, 50-328 Wroclaw, Poland
| | - Fangbai Li
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China
| | - Min Yu
- Research Center for Environmental Membrane Biology and Department of Horticulture, Foshan University, Foshan, Guangdong 528000, China.
| | - Enrico Martinoia
- Research Center for Environmental Membrane Biology and Department of Horticulture, Foshan University, Foshan, Guangdong 528000, China; Institute of Plant Biology, University Zurich, Zollikerstrasse 107, 8008 Zurich, Switzerland.
| | - Won-Yong Song
- Research Center for Environmental Membrane Biology and Department of Horticulture, Foshan University, Foshan, Guangdong 528000, China; Department of Integrative Bioscience and Biotechnology, Pohang University of Science and Technology, Pohang 37673, Republic of Korea.
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Geng A, Lian W, Wang X, Chen G. Regulatory Mechanisms Underlying Arsenic Uptake, Transport, and Detoxification in Rice. Int J Mol Sci 2023; 24:11031. [PMID: 37446207 DOI: 10.3390/ijms241311031] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 06/30/2023] [Accepted: 07/02/2023] [Indexed: 07/15/2023] Open
Abstract
Arsenic (As) is a metalloid environmental pollutant ubiquitous in nature that causes chronic and irreversible poisoning to humans through its bioaccumulation in the trophic chain. Rice, the staple food crop for 350 million people worldwide, accumulates As more easily compared to other cereal crops due to its growth characteristics. Therefore, an in-depth understanding of the molecular regulatory mechanisms underlying As uptake, transport, and detoxification in rice is of great significance to solving the issue of As bioaccumulation in rice, improving its quality and safety and protecting human health. This review summarizes recent studies on the molecular mechanisms of As toxicity, uptake, transport, redistribution, regulation, and detoxification in rice. It aims to provide novel insights and approaches for preventing and controlling As bioaccumulation in rice plants, especially reducing As accumulation in rice grains.
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Affiliation(s)
- Anjing Geng
- Institute of Quality Standard and Monitoring Technology for Agro-Products of Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China
- Key Laboratory of Testing and Evaluation for Agro-Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Guangzhou 510640, China
- Guangdong Provincial Key Laboratory of Quality & Safety Risk Assessment for Agro-Products, Guangzhou 510640, China
| | - Wenli Lian
- Institute of Quality Standard and Monitoring Technology for Agro-Products of Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China
- Key Laboratory of Testing and Evaluation for Agro-Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Guangzhou 510640, China
- Guangdong Provincial Key Laboratory of Quality & Safety Risk Assessment for Agro-Products, Guangzhou 510640, China
| | - Xu Wang
- Institute of Quality Standard and Monitoring Technology for Agro-Products of Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China
- Key Laboratory of Testing and Evaluation for Agro-Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Guangzhou 510640, China
- Guangdong Provincial Key Laboratory of Quality & Safety Risk Assessment for Agro-Products, Guangzhou 510640, China
| | - Guang Chen
- Institute of Quality Standard and Monitoring Technology for Agro-Products of Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China
- Key Laboratory of Testing and Evaluation for Agro-Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Guangzhou 510640, China
- Guangdong Provincial Key Laboratory of Quality & Safety Risk Assessment for Agro-Products, Guangzhou 510640, China
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Teng L, Zhang X, Wang R, Lin K, Zeng M, Chen H, Cao F. miRNA transcriptome reveals key miRNAs and their targets contributing to the difference in Cd tolerance of two contrasting maize genotypes. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 256:114881. [PMID: 37030049 DOI: 10.1016/j.ecoenv.2023.114881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 03/06/2023] [Accepted: 04/04/2023] [Indexed: 06/19/2023]
Abstract
Soil cadmium (Cd) contamination is a global environmental and food safety production issue. microRNAs (miRNAs) are proven to be involved in plant growth and development, and abiotic/biotic stress response, but their role in Cd tolerance is largely unknown in maize. To understand the genetic basis of Cd tolerance, two maize genotypes differing in Cd tolerance (L42, a sensitive genotype and L63, a tolerant genotype) were selected, and miRNA sequencing was carried out at nine-day-old seedlings exposed to 24 h Cd stress (5 μM CdCl2). A total of 151 differentially expressed miRNAs were identified, including 20 known miRNAs and 131 novel miRNAs. The results revealed that 90 and 22 miRNAs were up-regulated and down-regulated by Cd in Cd-tolerant genotype L63, and there were 23 and 43 miRNAs in Cd-sensitive genotype L42, respectively. Twenty-six miRNAs were up-regulated in L42 and unchanged or down-regulated in L63, or unchanged in L42 and down-regulated in L63. There were 108 miRNAs that were up-regulated in L63 and unchanged or down-regulated in L42, or unchanged in L63 and down-regulated in L42. Their target genes were enriched mainly in peroxisomes, glutathione (GSH) metabolism, ABC transporter, and ubiquitin-protease system. Among them, target genes involved in the peroxisome pathway and GSH metabolism might play key roles in Cd tolerance in L63. Besides, several ABC transporters which might involve in Cd uptake and transport were identified. The differentially expressed miRNAs or target genes could be used for breeding low grain Cd accumulation and high Cd tolerance cultivars in maize.
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Affiliation(s)
- Lidong Teng
- Department of Agronomy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, PR China
| | - Xueqing Zhang
- Department of Agronomy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, PR China
| | - Runfeng Wang
- Department of Agronomy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, PR China
| | - Kaina Lin
- Department of Agronomy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, PR China
| | - Meng Zeng
- Department of Agronomy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, PR China
| | - Hao Chen
- Department of Agronomy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, PR China; Guangdong Key Laboratory of New Technology in Rice Breeding, Rice Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China.
| | - Fangbin Cao
- Department of Agronomy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, PR China.
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Transcriptional Regulatory Network of Plant Cadmium Stress Response. Int J Mol Sci 2023; 24:ijms24054378. [PMID: 36901809 PMCID: PMC10001906 DOI: 10.3390/ijms24054378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 02/14/2023] [Accepted: 02/17/2023] [Indexed: 02/25/2023] Open
Abstract
Cadmium (Cd) is a non-essential heavy metal with high toxicity to plants. Plants have acquired specialized mechanisms to sense, transport, and detoxify Cd. Recent studies have identified many transporters involved in Cd uptake, transport, and detoxification. However, the complex transcriptional regulatory networks involved in Cd response remain to be elucidated. Here, we provide an overview of current knowledge regarding transcriptional regulatory networks and post-translational regulation of the transcription factors involved in Cd response. An increasing number of reports indicate that epigenetic regulation and long non-coding and small RNAs are important in Cd-induced transcriptional responses. Several kinases play important roles in Cd signaling that activate transcriptional cascades. We also discuss the perspectives to reduce grain Cd content and improve crop tolerance to Cd stress, which provides a theoretical reference for food safety and the future research of plant varieties with low Cd accumulation.
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Guo B, Chen L, Dong L, Yang C, Zhang J, Geng X, Zhou L, Song L. Characterization of the soybean KRP gene family reveals a key role for GmKRP2a in root development. FRONTIERS IN PLANT SCIENCE 2023; 14:1096467. [PMID: 36778678 PMCID: PMC9911667 DOI: 10.3389/fpls.2023.1096467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Accepted: 01/16/2023] [Indexed: 06/18/2023]
Abstract
Kip-related proteins (KRPs), as inhibitory proteins of cyclin-dependent kinases, are involved in the growth and development of plants by regulating the activity of the CYC-CDK complex to control cell cycle progression. The KRP gene family has been identified in several plants, and several KRP proteins from Arabidopsis thaliana have been functionally characterized. However, there is little research on KRP genes in soybean, which is an economically important crop. In this study, we identified nine GmKRP genes in the Glycine max genome using HMM modeling and BLASTP searches. Protein subcellular localization and conserved motif analysis showed soybean KRP proteins located in the nucleus, and the C-terminal protein sequence was highly conserved. By investigating the expression patterns in various tissues, we found that all GmKRPs exhibited transcript abundance, while several showed tissue-specific expression patterns. By analyzing the promoter region, we found that light, low temperature, an anaerobic environment, and hormones-related cis-elements were abundant. In addition, we performed a co-expression analysis of the GmKRP gene family, followed by Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) set enrichment analysis. The co-expressing genes were mainly involved in RNA synthesis and modification and energy metabolism. Furthermore, the GmKRP2a gene, a member of the soybean KRP family, was cloned for further functional analysis. GmKRP2a is located in the nucleus and participates in root development by regulating cell cycle progression. RNA-seq results indicated that GmKRP2a is involved in cell cycle regulation through ribosome regulation, cell expansion, hormone response, stress response, and plant pathogen response pathways. To our knowledge, this is the first study to identify and characterize the KRP gene family in soybean.
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Affiliation(s)
- Binhui Guo
- Joint International Research Laboratory of Agriculture and Agri-Product Safety, Institute of Agricultural Science and Technology Development, Co-Innovation Center for Modern Production Technology of Grain Crops, Yangzhou University, Yangzhou, China
- Basic Experimental Teaching Center of Life Science, Yangzhou University, Yangzhou, China
| | - Lin Chen
- Joint International Research Laboratory of Agriculture and Agri-Product Safety, Institute of Agricultural Science and Technology Development, Co-Innovation Center for Modern Production Technology of Grain Crops, Yangzhou University, Yangzhou, China
| | - Lu Dong
- Joint International Research Laboratory of Agriculture and Agri-Product Safety, Institute of Agricultural Science and Technology Development, Co-Innovation Center for Modern Production Technology of Grain Crops, Yangzhou University, Yangzhou, China
| | - Chunhong Yang
- Joint International Research Laboratory of Agriculture and Agri-Product Safety, Institute of Agricultural Science and Technology Development, Co-Innovation Center for Modern Production Technology of Grain Crops, Yangzhou University, Yangzhou, China
| | - Jianhua Zhang
- Joint International Research Laboratory of Agriculture and Agri-Product Safety, Institute of Agricultural Science and Technology Development, Co-Innovation Center for Modern Production Technology of Grain Crops, Yangzhou University, Yangzhou, China
| | - Xiaoyan Geng
- Joint International Research Laboratory of Agriculture and Agri-Product Safety, Institute of Agricultural Science and Technology Development, Co-Innovation Center for Modern Production Technology of Grain Crops, Yangzhou University, Yangzhou, China
| | - Lijuan Zhou
- College of Forestry, Co-Innovation Center for the Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, China
| | - Li Song
- Joint International Research Laboratory of Agriculture and Agri-Product Safety, Institute of Agricultural Science and Technology Development, Co-Innovation Center for Modern Production Technology of Grain Crops, Yangzhou University, Yangzhou, China
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12
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Zou JP, Zhao QF, Yang T, Shang YF, Ahammed GJ, Zhou J. The E3 ubiquitin ligase RING1 interacts with COP9 Signalosome Subunit 4 to positively regulate resistance to root-knot nematodes in Solanum lycopersicum L. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2022; 322:111344. [PMID: 35659944 DOI: 10.1016/j.plantsci.2022.111344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 05/07/2022] [Accepted: 05/27/2022] [Indexed: 06/15/2023]
Abstract
Globally, root-knot nematodes (RKNs) cause massive production losses in all major crops. E3 ubiquitin ligases are involved in plant growth, development and immune response. But their roles in plant defense against RKNs are largely unclear. Here, we show that tomato E3 ubiquitin ligase RING1 interacts with COP9 Signalosome Subunit 4 (CSN4) which is essential for jasmonic acid (JA)-dependent basal defense against RKNs. Tissue-specific expression analysis showed that RING1 expression was the highest in tomato roots and the expression was significantly increased with RKN (Meloidogyne incognita) infection. Compared with the wild-type plants, the number of egg masses in roots significantly increased in the ring1 mutants, while RING1 overexpression conferred resistance against RKNs. Furthermore, RKN infection increased the accumulation of CSN4 protein in the roots of wild-type plants, which was largely compromised in the ring1 mutants but was enhanced in the RING1 overexpressing plants. The RKN-induced transcripts of JA biosynthetic and signaling genes as well as the accumulation of JA and JA-isoleucine were compromised in ring1 mutants but were increased in RING1 overexpressing plants. These results suggest that RING1 positively regulates JA-dependent basal defense against RKNs by interacting with CSN4 proteins.
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Affiliation(s)
- Jin-Ping Zou
- Department of Horticulture/Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Yuhangtang Road 866, Hangzhou 310058, China
| | - Qiu-Feng Zhao
- Department of Horticulture/Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Yuhangtang Road 866, Hangzhou 310058, China
| | - Ting Yang
- Department of Horticulture/Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Yuhangtang Road 866, Hangzhou 310058, China
| | - Yi-Fen Shang
- Department of Horticulture/Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Yuhangtang Road 866, Hangzhou 310058, China
| | - Golam Jalal Ahammed
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang 471023, China
| | - Jie Zhou
- Department of Horticulture/Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Yuhangtang Road 866, Hangzhou 310058, China; Key Laboratory of Horticultural Plants Growth, Development and Quality Improvement, Agricultural Ministry of China, Yuhangtang Road 866, Hangzhou 310058, China; Shandong (Linyi) Institute of Modern Agriculture, Zhejiang University, Linyi 276000, China.
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13
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Lee SB, Kim GJ, Shin JD, Chung W, Park SK, Choi GH, Park SW, Park YJ. Genome-Scale Profiling and High-Throughput Analyses Unravel the Genetic Basis of Arsenic Content Variation in Rice. FRONTIERS IN PLANT SCIENCE 2022; 13:905842. [PMID: 35958208 PMCID: PMC9361212 DOI: 10.3389/fpls.2022.905842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 06/15/2022] [Indexed: 06/15/2023]
Abstract
Ionomics, the study of the composition of mineral nutrients and trace elements in organisms that represent the inorganic component of cells and tissues, has been widely studied to explore to unravel the molecular mechanism regulating the elemental composition of plants. However, the genetic factors of rice subspecies in the interaction between arsenic and functional ions have not yet been explained. Here, the correlation between As and eight essential ions in a rice core collection was analyzed, taking into account growing condition and genetic factors. The results demonstrated that the correlation between As and essential ions was affected by genetic factors and growing condition, but it was confirmed that the genetic factor was slightly larger with the heritability for arsenic content at 53%. In particular, the cluster coefficient of japonica (0.428) was larger than that of indica (0.414) in the co-expression network analysis for 23 arsenic genes, and it was confirmed that the distance between genes involved in As induction and detoxification of japonica was far than that of indica. These findings provide evidence that japonica populations could accumulate more As than indica populations. In addition, the cis-eQTLs of AIR2 (arsenic-induced RING finger protein) were isolated through transcriptome-wide association studies, and it was confirmed that AIR2 expression levels of indica were lower than those of japonica. This was consistent with the functional haplotype results for the genome sequence of AIR2, and finally, eight rice varieties with low AIR2 expression and arsenic content were selected. In addition, As-related QTLs were identified on chromosomes 5 and 6 under flooded and intermittently flooded conditions through genome-scale profiling. Taken together, these results might assist in developing markers and breeding plans to reduce toxic element content and breeding high-quality rice varieties in future.
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Affiliation(s)
- Sang-Beom Lee
- Crop Foundation Research Division, National Institute of Crop Science, Wanju, South Korea
| | - Gyeong-Jin Kim
- Residual Agrochemical Assessment Division, National Institute of Agriculture Science, Wanju, South Korea
| | - Jung-Du Shin
- Bio-Technology of Multidisciplinary Sciences Co., Wanju, South Korea
| | - Woojin Chung
- Department of Environmental Energy Engineering, Kyonggi University, Suwon, South Korea
| | - Soo-Kwon Park
- Crop Foundation Research Division, National Institute of Crop Science, Wanju, South Korea
| | - Geun-Hyoung Choi
- Residual Agrochemical Assessment Division, National Institute of Agriculture Science, Wanju, South Korea
| | - Sang-Won Park
- Reserch Policy Bureau, Rural Development Administration, Wanju, South Korea
| | - Yong-Jin Park
- Department of Plant Resources, College of Industrial Sciences, Kongju National University, Yesan, South Korea
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14
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Lv Q, Li L, Meng Y, Sun H, Chen L, Wang B, Li X. Wheat E3 ubiquitin ligase TaGW2-6A degrades TaAGPS to affect seed size. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2022; 320:111274. [PMID: 35643616 DOI: 10.1016/j.plantsci.2022.111274] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 03/13/2022] [Accepted: 03/24/2022] [Indexed: 06/15/2023]
Abstract
TaGW2 has been identified as a key determinant of the grain weight in wheat (Triticum aestivum L.). In our previous study, we found that the grain size differs in Chinese Spring (CS) and its TaGW2-6A allelic variant (NIL31). In addition, the expression of the key starch biosynthesis enzyme gene TaAGPS differs significantly in the two materials. However, the underlying molecular mechanism associated with the action of TaGW2-6A has not been reported. In the present study, we found that TaGW2-6A-CS interacted with TaAGPS, whereas TaGW2-6A-NIL31 did not interact with it in vitro and in vivo. Furthermore, we found that the C-terminal LXLX domain (376-424 aa) of TaGW2-6A recognized TaAGPS. However, the TaGW2-6A allelic variant lacked this key interaction region due to premature translation termination. We also found that TaGW2-6A-CS can ubiquitinate TaAGPS and degrade it via the 26 S proteasome pathway. In addition, our analysis of the activity of ADP-glucose pyrophosphorylase (AGPase) indicated that the AGPase level in the endosperm cells was lower in CS than NIL31. Cytological observations demonstrated that the average number of starch granules and the average area of starch granules in endosperm cells were lower in CS than NIL31. The overexpression of TaAGPS positively regulated the seed size in transgenic Arabidopsis. Our findings provide novel insights into the molecular mechanism that allows TaGW2-6A-TaAGPS to regulate seed size via the starch synthesis pathway.
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Affiliation(s)
- Qian Lv
- State Key Laboratory of Crop Stress Biology in Arid Areas and College of Agronomy, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Liqun Li
- State Key Laboratory of Crop Stress Biology in Arid Areas and College of Agronomy, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Ying Meng
- State Key Laboratory of Crop Stress Biology in Arid Areas and College of Agronomy, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Huimin Sun
- State Key Laboratory of Crop Stress Biology in Arid Areas and College of Agronomy, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Liuping Chen
- State Key Laboratory of Crop Stress Biology in Arid Areas and College of Agronomy, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Bingxin Wang
- State Key Laboratory of Crop Stress Biology in Arid Areas and College of Agronomy, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Xuejun Li
- State Key Laboratory of Crop Stress Biology in Arid Areas and College of Agronomy, Northwest A&F University, Yangling, Shaanxi 712100, China.
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15
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Hu J, Chen G, Xu K, Wang J. Cadmium in Cereal Crops: Uptake and Transport Mechanisms and Minimizing Strategies. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:5961-5974. [PMID: 35576456 DOI: 10.1021/acs.jafc.1c07896] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Cadmium (Cd) contamination in soils and accumulation in cereal grains have posed food security risks and serious health concerns worldwide. Understanding the Cd transport process and its management for minimizing Cd accumulation in cereals may help to improve crop growth and grain quality. In this review, we summarize Cd uptake, translocation, and accumulation mechanisms in cereal crops and discuss efficient measures to reduce Cd uptake as well as potential remediation strategies, including the applications of plant growth regulators, microbes, nanoparticles, and cropping systems and developing low-Cd grain cultivars by CRISPR/Cas9. In addition, miRNAs modulate Cd translocation, and accumulation in crops through the regulation of their target genes was revealed. Combined use of multiple remediation methods may successfully decrease Cd concentrations in cereals. The findings in this review provide some insights into innovative and applicable approaches for reducing Cd accumulation in cereal grains and sustainable management of Cd-contaminated paddy fields.
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Affiliation(s)
- Jihong Hu
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China
- Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China
| | - Guanglong Chen
- Institute of Eco-Environmental Research, Guangxi Academy of Sciences, Nanning 530007, China
| | - Kui Xu
- Hubei Key Laboratory of Edible Wild Plants Conservation and Utilization, and Hubei Engineering Research Center of Special Wild Vegetables Breeding and Comprehensive Utilization Technology, College of Life Sciences, Hubei Normal University, Huangshi 435002, China
- Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Guangzhou 510006, China
| | - Jun Wang
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
- Institute of Eco-Environmental Research, Guangxi Academy of Sciences, Nanning 530007, China
- Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Guangzhou 510006, China
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16
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Handa N, Gupta P, Khanna K, Kohli SK, Bhardwaj R, Alam P, Ahmad P. Aquaporin-mediated transport: Insights into metalloid trafficking. PHYSIOLOGIA PLANTARUM 2022; 174:e13687. [PMID: 35514154 DOI: 10.1111/ppl.13687] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 01/23/2022] [Accepted: 04/13/2022] [Indexed: 06/14/2023]
Abstract
Metalloids in plants have diverse physiological effects. From being essential to beneficial to toxic, they have significant effects on many physiological processes, influencing crop yield and quality. Aquaporins are a group of membrane channels that have several physiological substrates along with water. Metalloids have emerged as one of their important substrates and they are found to have a substantial role in regulating plant metalloid homeostasis. The present review comprehensively details the multiple isoforms of aquaporins having specificity for metalloids and being responsible for their influx, distribution or efflux. In addition, it also highlights the usage of aquaporin-mediated transport as a selection marker in toxic screens and as tracer elements for closely related metalloids. Therefore, aquaporins, with their imperative contribution to the regulation of plant growth, development and physiological processes, need more research to unravel the metalloid trafficking mechanisms and their future applications.
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Affiliation(s)
- Neha Handa
- Plant Stress Physiology Lab, Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Pawan Gupta
- Department of Pharmacology, Shree S. K. Patel College of Pharmaceutical Education and Research, Ganpat University, Kherva, Gujarat, India
| | - Kanika Khanna
- Plant Stress Physiology Lab, Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Sukhmeen Kaur Kohli
- Plant Stress Physiology Lab, Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Renu Bhardwaj
- Plant Stress Physiology Lab, Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Pravej Alam
- Biology Department, College of Science and Humanities, Prince Sattam bin Abdulaziz University (PSAU), Alkharj, Saudi Arabia
| | - Parvaiz Ahmad
- Botany and Microbiology Department, Faculty of Science, King Saud University, Riyadh, Saudi Arabia
- Department of Botany, GDC Pulwama, Pulwama, Jammu and Kashmir, India
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17
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Al-Saharin R, Hellmann H, Mooney S. Plant E3 Ligases and Their Role in Abiotic Stress Response. Cells 2022; 11:cells11050890. [PMID: 35269512 PMCID: PMC8909703 DOI: 10.3390/cells11050890] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 02/24/2022] [Accepted: 03/02/2022] [Indexed: 11/16/2022] Open
Abstract
Plants, as sessile organisms, have limited means to cope with environmental changes. Consequently, they have developed complex regulatory systems to ameliorate abiotic stresses im-posed by environmental changes. One such system is the ubiquitin proteasome pathway, which utilizes E3 ligases to target proteins for proteolytic degradation via the 26S proteasome. Plants ex-press a plethora of E3 ligases that are categorized into four major groups depending on their structure. They are involved in many biological and developmental processes in plants, such as DNA repair, photomorphogenesis, phytohormones signaling, and biotic stress. Moreover, many E3 ligase targets are proteins involved in abiotic stress responses, such as salt, drought, heat, and cold. In this review, we will provide a comprehensive overview of E3 ligases and their substrates that have been connected with abiotic stress in order to illustrate the diversity and complexity of how this pathway enables plant survival under stress conditions.
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Affiliation(s)
- Raed Al-Saharin
- Department of Applied Biology, Tafila Technical University, At-Tafilah 66110, Jordan
- Correspondence:
| | - Hanjo Hellmann
- School of Biological Sciences, Washington State University, Pullman, WA 99163, USA; (H.H.); (S.M.)
| | - Sutton Mooney
- School of Biological Sciences, Washington State University, Pullman, WA 99163, USA; (H.H.); (S.M.)
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18
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Liu CX, Yang T, Zhou H, Ahammed GJ, Qi ZY, Zhou J. The E3 Ubiquitin Ligase Gene Sl1 Is Critical for Cadmium Tolerance in Solanum lycopersicum L. Antioxidants (Basel) 2022; 11:antiox11030456. [PMID: 35326106 PMCID: PMC8944816 DOI: 10.3390/antiox11030456] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 02/16/2022] [Accepted: 02/23/2022] [Indexed: 02/04/2023] Open
Abstract
Heavy metal cadmium (Cd) at high concentrations severely disturbs plant growth and development. The E3 ubiquitin ligase involved in protein degradation is critical for plant tolerance to abiotic stress, but the role of E3 ubiquitin ligases in Cd tolerance is largely unknown in tomato. Here, we characterized an E3 ubiquitin ligase gene Sl1, which was highly expressed in roots under Cd stress in our previous study. The subcellular localization of Sl1 revealed that it was located in plasma membranes. In vitro ubiquitination assays confirmed that Sl1 had E3 ubiquitin ligase activity. Knockout of the Sl1 gene by CRISPR/Cas9 genome editing technology reduced while its overexpression increased Cd tolerance as reflected by the changes in the actual quantum efficiency of PSII photochemistry (ΦPSII) and hydrogen peroxide (H2O2) accumulation. Cd-induced increased activities of antioxidant enzymes including superoxide dismutase (SOD), catalase (CAT), ascorbate peroxidase (APX), and glutathione reductase (GR) were compromised in sl1 mutants but were enhanced in Sl1 overexpressing lines. Furthermore, the content of Cd in both shoots and roots increased in sl1 mutants while reduced in Sl1 overexpressing plants. Gene expression assays revealed that Sl1 regulated the transcript levels of heavy metal transport-related genes to inhibit Cd accumulation. These findings demonstrate that Sl1 plays a critical role in regulating Cd tolerance by relieving oxidative stress and resisting heavy metal transportation in tomato. The study provides a new understanding of the mechanism of plant tolerance to heavy metal stress.
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Affiliation(s)
- Chen-Xu Liu
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Department of Horticulture, Zhejiang University, Yuhangtang Road 866, Hangzhou 310058, China; (C.-X.L.); (T.Y.); (H.Z.)
| | - Ting Yang
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Department of Horticulture, Zhejiang University, Yuhangtang Road 866, Hangzhou 310058, China; (C.-X.L.); (T.Y.); (H.Z.)
| | - Hui Zhou
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Department of Horticulture, Zhejiang University, Yuhangtang Road 866, Hangzhou 310058, China; (C.-X.L.); (T.Y.); (H.Z.)
| | - Golam Jalal Ahammed
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang 471023, China
- Correspondence: (G.J.A.); (J.Z.)
| | - Zhen-Yu Qi
- Agricultural Experiment Station, Zhejiang University, Hangzhou 310058, China;
| | - Jie Zhou
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Department of Horticulture, Zhejiang University, Yuhangtang Road 866, Hangzhou 310058, China; (C.-X.L.); (T.Y.); (H.Z.)
- Key Laboratory of Horticultural Plants Growth, Development and Quality Improvement, Agricultural Ministry of China, Yuhangtang Road 866, Hangzhou 310058, China
- Shandong (Linyi) Institute of Modern Agriculture, Zhejiang University, Linyi 276000, China
- Correspondence: (G.J.A.); (J.Z.)
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19
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Research Advances in Cadmium Uptake, Transport and Resistance in Rice (Oryza sativa L.). Cells 2022; 11:cells11030569. [PMID: 35159378 PMCID: PMC8834125 DOI: 10.3390/cells11030569] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 01/21/2022] [Accepted: 02/01/2022] [Indexed: 11/17/2022] Open
Abstract
Rice (Oryza sativa L.) is one of the most important food crops, feeding half of the world’s population. However, rice production is affected by cadmium (Cd) toxicity. Due to an increase in Cd-contaminated soil and rice grains, and the serious harm to human health from Cd, research on Cd uptake, transport and resistance in rice has been widely conducted, and many important advances have been made. Rice plants absorb Cd mainly from soil through roots, which is mediated by Cd absorption-related transporters, including OsNramp5, OsNramp1, OsCd1, OsZIP3, OsHIR1, OsIRT1 and OsIRT2. Cd uptake is affected by soil’s environmental factors, such as the concentrations of Cd and some other ions in soil, soil properties, and other factors can affect the bioavailability of Cd in soil. Then, Cd is transported within rice plants mediated by OsZIP6, OsZIP7, OsLCD, OsHMA2, CAL1, OsCCX2, OsLCT1 and OsMTP1, from roots to shoots and from shoots to grains. To resist Cd toxicity, rice has evolved many resistance strategies, including the deposition of Cd in cell walls, vacuolar Cd sequestration, Cd chelation, antioxidation and Cd efflux. In addition, some unresolved scientific questions surrounding Cd uptake, transport and resistance in rice are proposed for further study.
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20
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Chang S, Huang G, Wang D, Zhu W, Shi J, Yang L, Liang W, Xie Q, Zhang D. Rice SIAH E3 Ligases Interact with RMD Formin and Affect Plant Morphology. RICE (NEW YORK, N.Y.) 2022; 15:6. [PMID: 35075530 PMCID: PMC8786996 DOI: 10.1186/s12284-022-00554-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 01/18/2022] [Indexed: 06/14/2023]
Abstract
Formins are actin-binding proteins that are key to maintaining the actin cytoskeleton in cells. However, molecular mechanisms controlling the stability of formin proteins in plants remain unknown. Here, we have identified six rice SIAH-type E3 ligases, named RIP1-6 (RMD Interacting Protein 1-6) respectively, with ubiquitination enzyme activity in vitro. All six proteins can form homo- and hetero-dimers with themselves, and hetero-dimers with type II formin RMD/OsFH5. In vivo assays showed that RIP1-6 proteins localize in the cytoplasm with a punctate distribution, and all of them interact with RMD to change its native diffuse cytoplasmic localization to match that of RIP1-6. To our surprise, degradation experiments revealed that RIP1, RIP5, and RIP6 decrease rather than increase the degradation rate of RMD. Genetic analyses revealed redundancy between these six genes; either single or double mutants did not show any obvious phenotypes. However, the sextuple rip1-6 mutant displayed dwarf height, wrinkled seeds and wider leaves that were similar to the previously reported rmd mutant, and defective microfilaments and increased flag leaf angles that were not reported in rmd mutant. Collectively, our study provides insights into the mechanisms determining formin protein stability in plants.
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Affiliation(s)
- Shuwei Chang
- School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China
| | - Guoqiang Huang
- School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China
| | - Duoxiang Wang
- School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China
| | - Wanwan Zhu
- School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China
| | - Jianxin Shi
- School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China
| | - Litao Yang
- School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China
| | - Wanqi Liang
- School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China
| | - Qi Xie
- State Key Laboratory of Plant Genomics, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, 100101, People's Republic of China
| | - Dabing Zhang
- School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China.
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21
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Navarro C, Mateo-Elizalde C, Mohan TC, Sánchez-Bermejo E, Urrutia O, Fernández-Muñiz MN, García-Mina JM, Muñoz R, Paz-Ares J, Castrillo G, Leyva A. Arsenite provides a selective signal that coordinates arsenate uptake and detoxification through the regulation of PHR1 stability in Arabidopsis. MOLECULAR PLANT 2021; 14:1489-1507. [PMID: 34048950 DOI: 10.1016/j.molp.2021.05.020] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 04/30/2021] [Accepted: 05/24/2021] [Indexed: 06/12/2023]
Abstract
In nature, plants acquire nutrients from soils to sustain growth, and at the same time, they need to avoid the uptake of toxic compounds and/or possess tolerance systems to cope with them. This is particularly challenging when the toxic compound and the nutrient are chemically similar, as in the case of phosphate and arsenate. In this study, we demonstrated that regulatory elements of the phosphate starvation response (PSR) coordinate the arsenate detoxification machinery in the cell. We showed that arsenate repression of the phosphate transporter PHT1;1 is associated with the degradation of the PSR master regulator PHR1. Once arsenic is sequestered into the vacuole, PHR1 stability is restored and PHT1;1 expression is recovered. Furthermore, we identified an arsenite responsive SKP1-like protein and a PHR1 interactor F-box (PHIF1) as constituents of the SCF complex responsible for PHR1 degradation.We found that arsenite, the form to which arsenate is reduced for compartmentalization in vacuoles, represses PHT1;1 expression, providing a highly selective signal versus phosphate to control PHT1;1 expression in response to arsenate. Collectively, our results provide molecular insights into a sensing mechanism that regulates arsenate/phosphate uptake depending on the plant's detoxification capacity.
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Affiliation(s)
- Cristina Navarro
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología-Consejo Superior de Investigaciones Científicas, Madrid 28049, Spain
| | - Cristian Mateo-Elizalde
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología-Consejo Superior de Investigaciones Científicas, Madrid 28049, Spain
| | - Thotegowdanapalya C Mohan
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología-Consejo Superior de Investigaciones Científicas, Madrid 28049, Spain
| | - Eduardo Sánchez-Bermejo
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología-Consejo Superior de Investigaciones Científicas, Madrid 28049, Spain
| | - Oscar Urrutia
- Department of Environmental Biology, Sciences School, University of Navarra, Pamplona 31008, Spain
| | - María Nieves Fernández-Muñiz
- Department of Analytical Chemistry, School of Chemical Sciences, Universidad Complutense de Madrid, Madrid 28040, Spain
| | - José M García-Mina
- Department of Environmental Biology, Sciences School, University of Navarra, Pamplona 31008, Spain
| | - Riansares Muñoz
- Department of Analytical Chemistry, School of Chemical Sciences, Universidad Complutense de Madrid, Madrid 28040, Spain
| | - Javier Paz-Ares
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología-Consejo Superior de Investigaciones Científicas, Madrid 28049, Spain
| | - Gabriel Castrillo
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología-Consejo Superior de Investigaciones Científicas, Madrid 28049, Spain.
| | - Antonio Leyva
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología-Consejo Superior de Investigaciones Científicas, Madrid 28049, Spain.
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22
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Ahammed GJ, Li CX, Li X, Liu A, Chen S, Zhou J. Overexpression of tomato RING E3 ubiquitin ligase gene SlRING1 confers cadmium tolerance by attenuating cadmium accumulation and oxidative stress. PHYSIOLOGIA PLANTARUM 2021; 173:449-459. [PMID: 33616963 DOI: 10.1111/ppl.13294] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 11/21/2020] [Accepted: 11/28/2020] [Indexed: 05/20/2023]
Abstract
Heavy metal pollution not only decreases crop yield and quality, but also affects human health via the food chain. Ubiquitination-dependent protein degradation is involved in plant growth, development, and environmental interaction, but the functions of ubiquitin-ligase (E3) genes are largely unknown in tomato (Solanum lycopersicum L.). Here, we functionally characterized a RING E3 ligase gene, SlRING1, which positively regulates cadmium (Cd) tolerance in tomato plants. An in vitro ubiquitination experiment shows that SlRING1 has E3 ubiquitin ligase activity. The determination of the subcellular localization reveals that SlRING1 is localized at both the plasma membrane and the nucleus. Overexpression of SlRING1 in tomato increased the chlorophyll content, the net photosynthetic rate, and the maximal photochemical efficiency of photosystem II (Fv/Fm), but reduced the levels of reactive oxygen species and relative electrolyte leakage under Cd stress. Moreover, SlRING1 overexpression increased the transcript levels of CATALASE (CAT), DEHYDROASCORBATE REDUCTASE (DHAR), MONODEHYDROASCORBATE REDUCTASE (MDHAR), GLUTATHIONE (GSH1), and PHYTOCHELATIN SYNTHASE (PCS), which contribute to the antioxidant and detoxification system. Crucially, SlRING1 overexpression also reduced the concentrations of Cd in both shoots and roots. Thus, SlRING1-overexpression-induced enhanced tolerance to Cd is ascribed to reduced Cd accumulation and alleviated oxidative stress. Our findings suggest that SlRING1 is a positive regulator of Cd tolerance, which can be a potential breeding target for improving heavy metal tolerance in horticultural crops.
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Affiliation(s)
- Golam Jalal Ahammed
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, China
| | - Cai-Xia Li
- Department of Horticulture, Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Hangzhou, China
| | - Xin Li
- Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
| | - Airong Liu
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, China
| | - Shuangchen Chen
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, China
| | - Jie Zhou
- Department of Horticulture, Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Hangzhou, China
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23
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Kim JH, Lee JE, Jang CS. Regulation of Oryza sativa molybdate transporter1;3 degradation via RING finger E3 ligase OsAIR3. JOURNAL OF PLANT PHYSIOLOGY 2021; 264:153484. [PMID: 34343729 DOI: 10.1016/j.jplph.2021.153484] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 07/19/2021] [Accepted: 07/25/2021] [Indexed: 05/29/2023]
Abstract
High concentrations of As in contaminated environments pose a serious threat to plant, human, and animal health. In this study, we characterized an As-responsive Really Interesting New Gene (RING) E3 ubiquitin ligase gene under arsenate (AsV) stress, named as Oryza sativa As-Induced RING E3 ligase 3 (OsAIR3). AsV treatment highly induced the expression of OsAIR3. OsAIR3-EYFP was localized to the nucleus in rice protoplasts and exhibited E3 ligase activity. Yeast two-hybrid screening and bimolecular fluorescence complementation and pull-down assays revealed the interaction of OsAIR3 with an O. sativa molybdate transporter (OsMOT1;3) in the plasma membrane and cytoplasm. In addition, an in vitro cell-free degradation assay was performed to demonstrate the degradation of OsMOT1;3 by OsAIR3 via the 26S proteasome system. Heterogeneous overexpression of OsAIR3 in Arabidopsis yielded AsV-tolerant phenotypes, as indicated by the comparison of cotyledon expansion, root elongation, shoot fresh weight, and As accumulation between the OsAIR3-overexpressing and control plants. Collectively, these findings suggest that OsAIR3 positively regulates plant response to AsV stress.
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Affiliation(s)
- Ju Hee Kim
- Plant Genomics Laboratory, Department of Bio-resources Sciences, Graduate School, Kangwon National University, Chuncheon, 24341, South Korea
| | - Jeong Eun Lee
- Plant Genomics Laboratory, Department of Bio-resources Sciences, Graduate School, Kangwon National University, Chuncheon, 24341, South Korea
| | - Cheol Seong Jang
- Plant Genomics Laboratory, Department of Bio-resources Sciences, Graduate School, Kangwon National University, Chuncheon, 24341, South Korea; Interdisciplinary Program in Smart Agriculture, Graduate School, Kangwon National University, Chuncheon, 24341, South Korea.
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24
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Cheng Q, Wang P, Wu G, Wang Y, Tan J, Li C, Zhang X, Liu S, Huang S, Huang T, Yang M, He H, Bian J. Coordination of m 6A mRNA methylation and gene transcriptome in rice response to cadmium stress. RICE (NEW YORK, N.Y.) 2021; 14:62. [PMID: 34224034 PMCID: PMC8257850 DOI: 10.1186/s12284-021-00502-y] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 06/08/2021] [Indexed: 05/19/2023]
Abstract
N6-methyladenosine (m6A) is the most prevalent internal modification present in the mRNAs of all higher eukaryotes. However, the role of the m6A methylomes in rice is still poorly understood. With the development of the MeRIP-seq technique, the in-depth identification of mRNAs with m6A modification has become feasible. A study suggested that m6A modification is crucial for posttranscriptional regulation related to Cd2+-induced malignant transformation, but the association between m6A modification in plants and Cd tolerance has not been reported. We investigated the m6A methylomes in the roots of a cadmium (Cd)-treated group and compared them with the roots in the control (CK) group by m6A sequencing of cv. 9311 and cv. Nipponbare (NIP) plants. The results indicated that Cd leads to an altered modification profile in 3,406 differential m6A peaks in cv. 9311 and 2,065 differential m6A peaks in cv. NIP. KEGG pathway analysis of the genes with differentially modified m6A peaks indicated that the "phenylalanine", "tyrosine and tryptophan biosynthesis", "glycine", "adherens junctions", "glycerophospholipid metabolism" and "threonine metabolism" signalling pathways may be associated with the abnormal root development of cv. 9311 rice due to exposure to Cd. The "arginine", "proline metabolism", "glycerolipid", and "protein processing in endoplasmic reticulum" metabolism pathways were significantly enriched in genes with differentially modified m6A peaks in cv. NIP. Unlike that in Arabidopsis, the m6A-modified nucleotide position on mRNAs (m6A peak) distribution in rice exhibited a preference towards both the stop codon and 3' untranslated regions (3' UTRs). These findings provide a resource for plant RNA epitranscriptomic studies and further increase our knowledge on the function of m6A modification in RNA in plants.
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Affiliation(s)
- Qin Cheng
- Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Jiangxi Agricultural University, 330045 Nanchang, China
- College of Agronomy, Jiangxi Agricultural University, 330045 Nanchang, China
| | - Peng Wang
- Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Jiangxi Agricultural University, 330045 Nanchang, China
- College of Agronomy, Jiangxi Agricultural University, 330045 Nanchang, China
| | - Guangliang Wu
- Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Jiangxi Agricultural University, 330045 Nanchang, China
- College of Agronomy, Jiangxi Agricultural University, 330045 Nanchang, China
| | - Yanning Wang
- Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Jiangxi Agricultural University, 330045 Nanchang, China
- College of Agronomy, Jiangxi Agricultural University, 330045 Nanchang, China
| | - Jingai Tan
- Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Jiangxi Agricultural University, 330045 Nanchang, China
- College of Agronomy, Jiangxi Agricultural University, 330045 Nanchang, China
| | - Caijing Li
- Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Jiangxi Agricultural University, 330045 Nanchang, China
- College of Agronomy, Jiangxi Agricultural University, 330045 Nanchang, China
| | - Xiangyu Zhang
- Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Jiangxi Agricultural University, 330045 Nanchang, China
- College of Agronomy, Jiangxi Agricultural University, 330045 Nanchang, China
| | - Shilei Liu
- Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Jiangxi Agricultural University, 330045 Nanchang, China
- College of Agronomy, Jiangxi Agricultural University, 330045 Nanchang, China
| | - Shiying Huang
- Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Jiangxi Agricultural University, 330045 Nanchang, China
- College of Agronomy, Jiangxi Agricultural University, 330045 Nanchang, China
| | - Tao Huang
- Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Jiangxi Agricultural University, 330045 Nanchang, China
- College of Agronomy, Jiangxi Agricultural University, 330045 Nanchang, China
| | - Mengmeng Yang
- Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Jiangxi Agricultural University, 330045 Nanchang, China
- College of Agronomy, Jiangxi Agricultural University, 330045 Nanchang, China
| | - Haohua He
- Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Jiangxi Agricultural University, 330045 Nanchang, China
- College of Agronomy, Jiangxi Agricultural University, 330045 Nanchang, China
| | - Jianmin Bian
- Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Jiangxi Agricultural University, 330045 Nanchang, China
- College of Agronomy, Jiangxi Agricultural University, 330045 Nanchang, China
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25
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Zhang G, Yang J, Zhang M, Li Q, Wu Y, Zhao X, Zhang H, Wang Y, Wu J, Wang W. Wheat TaPUB1 Regulates Cd Uptake and Tolerance by Promoting the Degradation of TaIRT1 and TaIAA17. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:5818-5829. [PMID: 34018722 DOI: 10.1021/acs.jafc.0c08042] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Cadmium (Cd) accumulation in agricultural soils is an increasingly serious problem, as plants absorb Cd, which inhibits their growth and development. Nonetheless, the molecular mechanisms underlying Cd detoxification and accumulation in wheat (Triticum aestivum L.) are unclear. Here, we isolated the U-box E3 ligase TaPUB1 from wheat and reported the functional characterization of TaPUB1 in Cd uptake and tolerance in wheat. Under Cd stress, TaPUB1 overexpression lines displayed higher photosynthetic rates than the wild type; opposite results were observed in the TaPUB1-RNAi lines. In addition, TaPUB1 overexpression lines showed reduced Cd uptake and accumulation, whereas RNAi plants exhibited a significant increase in Cd accumulation after Cd treatment. We further found that TaPUB1 enhanced the resistance of wheat to Cd stress in three ways. First, TaPUB1 interacts with and ubiquitinates TaIRT1, resulting in the inhibition of Cd uptake. Second, TaPUB1 interacts directly with and ubiquitinates TaIAA17, facilitates its degradation, and results in primary root elongation by activating the Aux signaling pathway under Cd stress. Moreover, TaPUB1 decreases ROS accumulation by regulating antioxidant-related gene expression and antioxidant enzyme activity under Cd stress. Thus, a molecular mechanism by which TaPUB1 regulates Cd uptake and tolerance by modulating the stability of TaIRT1 and TaIAA17 proteins was revealed.
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Affiliation(s)
- Guangqiang Zhang
- State Key Laboratory of Crop Biology, Shandong Key Laboratory of Crop Biology, College of Life Science, Shandong Agricultural University, Tai'an, Shandong 271018, P. R. China
- College of Agriculture and Bioengineering, Heze University, Heze, Shandong 274015, P. R. China
| | - Junjiao Yang
- State Key Laboratory of Crop Biology, Shandong Key Laboratory of Crop Biology, College of Life Science, Shandong Agricultural University, Tai'an, Shandong 271018, P. R. China
| | - Meng Zhang
- Collaborative Innovation Center, Jining Medical University, Jining, Shandong 272067, P. R. China
| | - Qinxue Li
- State Key Laboratory of Crop Biology, Shandong Key Laboratory of Crop Biology, College of Life Science, Shandong Agricultural University, Tai'an, Shandong 271018, P. R. China
| | - Yunzhen Wu
- State Key Laboratory of Crop Biology, Shandong Key Laboratory of Crop Biology, College of Life Science, Shandong Agricultural University, Tai'an, Shandong 271018, P. R. China
| | - Xiaoyu Zhao
- State Key Laboratory of Crop Biology, Shandong Key Laboratory of Crop Biology, College of Life Science, Shandong Agricultural University, Tai'an, Shandong 271018, P. R. China
| | - Huifei Zhang
- College of Agricultural, Shandong Agricultural University, Tai'an, Shandong 271018, P. R. China
| | - Yong Wang
- State Key Laboratory of Crop Biology, Shandong Key Laboratory of Crop Biology, College of Life Science, Shandong Agricultural University, Tai'an, Shandong 271018, P. R. China
| | - Jiajie Wu
- College of Agricultural, Shandong Agricultural University, Tai'an, Shandong 271018, P. R. China
| | - Wei Wang
- State Key Laboratory of Crop Biology, Shandong Key Laboratory of Crop Biology, College of Life Science, Shandong Agricultural University, Tai'an, Shandong 271018, P. R. China
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26
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Luo JS, Zhang Z. Mechanisms of cadmium phytoremediation and detoxification in plants. ACTA ACUST UNITED AC 2021. [DOI: 10.1016/j.cj.2021.02.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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27
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Wang C, Li H, Wu L, Jiao X, Jin Z, Zhu Y, Fang Z, Zhang X, Huang H, Zhao L. Coiled-Coil Domain-Containing 68 Downregulation Promotes Colorectal Cancer Cell Growth by Inhibiting ITCH-Mediated CDK4 Degradation. Front Oncol 2021; 11:668743. [PMID: 33968776 PMCID: PMC8100586 DOI: 10.3389/fonc.2021.668743] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Accepted: 03/30/2021] [Indexed: 12/31/2022] Open
Abstract
Coiled-coil domain-containing 68 (CCDC68) plays different roles in cancer and is predicted as a tumor suppressor in human colorectal cancer (CRC). However, the specific role of CCDC68 in CRC and the underlying mechanisms remain unknown. Here, we showed that CCDC68 expression was lower in CRC than that in corresponding normal tissues, and CCDC68 level was positively correlated with disease-free survival. Ectopic expression of CCDC68 decreased CRC cell proliferation in vitro and suppressed the growth of CRC xenograft tumors in vivo. CCDC68 caused G0/G1 cell cycle arrest, downregulated CDK4, and upregulated ITCH, the E3 ubiquitin ligase responsible for CDK4 protein degradation. This increased CDK4 degradation, which decreased CDK4 protein levels and inhibited CRC tumor growth. Collectively, the present results identify a novel CDK4 regulatory axis consisting of CCDC68 and ITCH, which suggest that CCDC68 is a promising target for the treatment of CRC.
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Affiliation(s)
- Cong Wang
- Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
| | - Hongyan Li
- Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
| | - Lei Wu
- Department of General Surgery, Heze Municipal Hospital, Heze, China
| | - Xueli Jiao
- Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
| | - Zihui Jin
- Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
| | - Yujie Zhu
- Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
| | - Ziling Fang
- Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
| | - Xiaodong Zhang
- Department of Colorectal anal surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Haishan Huang
- Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
| | - Lingling Zhao
- Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
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28
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Sharma S, Prasad A, Sharma N, Prasad M. Role of ubiquitination enzymes in abiotic environmental interactions with plants. Int J Biol Macromol 2021; 181:494-507. [PMID: 33798570 DOI: 10.1016/j.ijbiomac.2021.03.185] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 02/08/2021] [Accepted: 03/27/2021] [Indexed: 12/14/2022]
Abstract
Ubiquitination, a post-translational modification, plays a crucial role in various aspects of plant development and stress responses. Protein degradation by ubiquitination is well established and ubiquitin is the main underlying component directing the turnover of proteins. Recent reports have also revealed the non-proteolytic roles of ubiquitination in plants. In the past decade, ubiquitination has emerged to be one of the most important players in modulating plant's responses to abiotic stresses, which led to identification of specific E3 ligases and their targets involved in the process. Most of the E3 ligases play regulatory roles by modifying the stability and accumulation of stress responsive regulatory proteins, such as transcription factors, thus, modifying the downstream responses, or by degrading the proteins involved in the downstream cascade itself. In this review, we summarize and highlight the recent advances in the field of ubiquitination-mediated regulation of plant's responses to various abiotic stresses including limited nutrient availability and metal toxicity. The non-proteolytic role of ubiquitination in epigenetic regulation of abiotic stress induced response has also been discussed.
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Affiliation(s)
- Shambhavi Sharma
- National Institute of Plant Genome Research, Aruna Asaf Ali Marg, New Delhi, 110067, India
| | - Ashish Prasad
- National Institute of Plant Genome Research, Aruna Asaf Ali Marg, New Delhi, 110067, India
| | - Namisha Sharma
- National Institute of Plant Genome Research, Aruna Asaf Ali Marg, New Delhi, 110067, India
| | - Manoj Prasad
- National Institute of Plant Genome Research, Aruna Asaf Ali Marg, New Delhi, 110067, India.
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29
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The E3 ubiquitin ligase gene SlRING1 is essential for plant tolerance to cadmium stress in Solanum lycopersicum. J Biotechnol 2020; 324:239-247. [PMID: 33186659 DOI: 10.1016/j.jbiotec.2020.11.008] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 10/24/2020] [Accepted: 11/04/2020] [Indexed: 12/11/2022]
Abstract
The E3 ubiquitin ligases participate in the degradation of plant proteins and play a regulatory role in stress response. However, the role of tomato E3 ubiquitin ligase genes in plant response to heavy metal stress remains elusive. Here, we identified 17 tomato E3 ubiquitin ligase genes using blast analysis of highly expressed E3 ubiquitin ligase genes of Arabidopsis thaliana. Through organ expression analysis, three E3 ubiquitin ligase genes with higher expression levels in roots were further screened out, and they were named Sl1, SlRHE1, and SlRING1. Among these three genes, SlRING1 expression was the highest in response to cadmium (Cd) stress. Silencing SlRING1 significantly decreased chlorophyll content, Fv/Fm, photosynthetic rate, and biomass accumulation under Cd stress. The levels of H2O2, electrolyte leakage, and malondialdehyde significantly increased in SlRING1-silenced plants under Cd stress compared with that in non-silenced tomato plants. Cd stress-induced increases in the transcript levels of antioxidant and detoxification genes such as CAT, DHAR, MDHAR, GSH, and PCS were compromised by SlRING1 silencing. Moreover, Cd accumulation in shoots and roots significantly increased in SlRING1-silenced plants compared with non-silenced tomato plants. These findings suggest that SlRING1 plays a positive role in plant tolerance to Cd stress in tomato.
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30
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Chen J, Zou W, Meng L, Fan X, Xu G, Ye G. Advances in the Uptake and Transport Mechanisms and QTLs Mapping of Cadmium in Rice. Int J Mol Sci 2019; 20:ijms20143417. [PMID: 31336794 PMCID: PMC6678204 DOI: 10.3390/ijms20143417] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 07/10/2019] [Accepted: 07/11/2019] [Indexed: 02/07/2023] Open
Abstract
Cadmium (Cd), as a heavy metal, presents substantial biological toxicity and has harmful effects on human health. To lower the ingress levels of human Cd, it is necessary for Cd content in food crops to be reduced, which is of considerable significance for ensuring food safety. This review will summarize the genetic traits of Cd accumulation in rice and examine the mechanism of Cd uptake and translocation in rice. The status of genes related to Cd stress and Cd accumulation in rice in recent years will be summarized, and the genes related to Cd accumulation in rice will be classified according to their functions. In addition, an overview of quantitative trait loci (QTLs) mapping populations in rice will be introduced, aiming to provide a theoretical reference for the breeding of rice varieties with low Cd accumulation. Finally, existing problems and prospects will be put forward.
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Affiliation(s)
- Jingguang Chen
- CAAS-IRRI Joint Laboratory for Genomics-Assisted Germplasm Enhancement, Agricultural Genomics Institute in Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518120, China
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Wenli Zou
- CAAS-IRRI Joint Laboratory for Genomics-Assisted Germplasm Enhancement, Agricultural Genomics Institute in Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518120, China
| | - Lijun Meng
- CAAS-IRRI Joint Laboratory for Genomics-Assisted Germplasm Enhancement, Agricultural Genomics Institute in Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518120, China.
| | - Xiaorong Fan
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China.
| | - Guohua Xu
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Guoyou Ye
- CAAS-IRRI Joint Laboratory for Genomics-Assisted Germplasm Enhancement, Agricultural Genomics Institute in Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518120, China
- Strategic Innovation Platform, International Rice Research Institute, DAPO Box 7777, Metro Manila 1226, Philippines
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31
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Shu H, Zhang J, Liu F, Bian C, Liang J, Liang J, Liang W, Lin Z, Shu W, Li J, Shi Q, Liao B. Comparative Transcriptomic Studies on a Cadmium Hyperaccumulator Viola baoshanensis and Its Non-Tolerant Counterpart V. inconspicua. Int J Mol Sci 2019; 20:E1906. [PMID: 30999673 PMCID: PMC6515270 DOI: 10.3390/ijms20081906] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2019] [Revised: 04/14/2019] [Accepted: 04/16/2019] [Indexed: 12/29/2022] Open
Abstract
Many Viola plants growing in mining areas exhibit high levels of cadmium (Cd) tolerance and accumulation, and thus are ideal organisms for comparative studies on molecular mechanisms of Cd hyperaccumulation. However, transcriptomic studies of hyperaccumulative plants in Violaceae are rare. Viola baoshanensis is an amazing Cd hyperaccumulator in metalliferous areas of China, whereas its relative V. inconspicua is a non-tolerant accumulator that resides at non-metalliferous sites. Here, comparative studies by transcriptome sequencing were performed to investigate the key pathways that are potentially responsible for the differential levels of Cd tolerance between these two Viola species. A cascade of genes involved in the ubiquitin proteosome system (UPS) pathway were observed to have constitutively higher transcription levels and more activation in response to Cd exposure in V. baoshanensis, implying that the enhanced degradation of misfolded proteins may lead to high resistance against Cd in this hyperaccumulator. Many genes related to sucrose metabolism, especially those involved in callose and trehalose biosynthesis, are among the most differentially expressed genes between the two Viola species, suggesting a crucial role of sucrose metabolism not only in cell wall modification through carbon supply but also in the antioxidant system as signaling molecules or antioxidants. A comparison among transcriptional patterns of some known transporters revealed that several tonoplast transporters are up-regulated in V. baoshanensis under Cd stress, suggesting more efficient compartmentalization of Cd in the vacuoles. Taken together, our findings provide valuable insight into Cd hypertolerance in V. baoshanensis, and the corresponding molecular mechanisms will be useful for future genetic engineering in phytoremediation.
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Affiliation(s)
- Haoyue Shu
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China.
| | - Jun Zhang
- School of Biosciences and Biopharmaceutics, Guangdong Province Key Laboratory for Biotechnology Drug Candidates, Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - Fuye Liu
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China.
| | - Chao Bian
- Shenzhen Key Lab of Marine Genomics, Guangdong Provincial Key Lab of Molecular Breeding in Marine Economic Animals, BGI Academy of Marine Sciences, BGI Marine, BGI, Shenzhen 518083, China.
| | - Jieliang Liang
- School of Life Sciences, South China Normal University, Guangzhou 510631, China.
| | - Jiaqi Liang
- School of Biosciences and Biopharmaceutics, Guangdong Province Key Laboratory for Biotechnology Drug Candidates, Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - Weihe Liang
- School of Biosciences and Biopharmaceutics, Guangdong Province Key Laboratory for Biotechnology Drug Candidates, Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - Zhiliang Lin
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China.
| | - Wensheng Shu
- School of Life Sciences, South China Normal University, Guangzhou 510631, China.
| | - Jintian Li
- School of Life Sciences, South China Normal University, Guangzhou 510631, China.
| | - Qiong Shi
- Shenzhen Key Lab of Marine Genomics, Guangdong Provincial Key Lab of Molecular Breeding in Marine Economic Animals, BGI Academy of Marine Sciences, BGI Marine, BGI, Shenzhen 518083, China.
| | - Bin Liao
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China.
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Zhang J, Martinoia E, Lee Y. Vacuolar Transporters for Cadmium and Arsenic in Plants and their Applications in Phytoremediation and Crop Development. PLANT & CELL PHYSIOLOGY 2018; 59:1317-1325. [PMID: 29361141 DOI: 10.1093/pcp/pcy006] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Accepted: 01/04/2018] [Indexed: 05/18/2023]
Abstract
Soil contamination by heavy metals and metalloids such as cadmium (Cd) and arsenic (As) poses a major threat to the environment and to human health. Vacuolar sequestration is one of the main mechanisms by which plants control toxic materials including Cd and As. Understanding the mechanisms of heavy metal tolerance and accumulation can be useful for both phytoremediation and safe crop development. In this review, we summarize recent advances in deciphering the molecular mechanisms underlying vacuolar sequestration of Cd and As, and discuss potential biotechnological applications of this knowledge and efforts towards attaining these goals.
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Affiliation(s)
- Jie Zhang
- Department of Integrative Bioscience & Biotechnology, Pohang University of Science and Technology, Pohang, Korea
| | - Enrico Martinoia
- Department of Integrative Bioscience & Biotechnology, Pohang University of Science and Technology, Pohang, Korea
- Institut für Pflanzenbiologie, Universität Zürich, Zollikerstrasse 107, Zürich, Switzerland
| | - Youngsook Lee
- Department of Integrative Bioscience & Biotechnology, Pohang University of Science and Technology, Pohang, Korea
- Department of Life Science, Pohang University of Science and Technology, Pohang, Korea
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Zhang Y, Tao R, Wu SS, Xu CC, Wang JL, Chen J, Yu YS, Tang ZH, Chen XH, Zang GQ. TRIM52 up-regulation in hepatocellular carcinoma cells promotes proliferation, migration and invasion through the ubiquitination of PPM1A. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2018; 37:116. [PMID: 29898761 PMCID: PMC6001170 DOI: 10.1186/s13046-018-0780-9] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Accepted: 05/21/2018] [Indexed: 02/07/2023]
Abstract
Background Many tripartite motif (TRIM) family proteins have been reported to be of great importance in the initiation and progression in hepatocellular carcinoma (HCC). However, the biological role and regulatory mechanism of tripartite motif containing 52 (TRIM52) in HCC development and progression are poorly defined. Methods Immunohistochemistry (IHC), quantitative real-time PCR (qRT-PCR) or Western blot analysis was used to detect TRIM52, p21, matrix metalloproteinase 2 (MMP2), protein phosphatase, Mg2+/Mn2+ dependent 1A (PPM1A), p-Smad2/3 and Smad2/3 levels in HCC tissues and cell lines. HCC cell proliferation and cell cycle were measured by Cell Counting Kit-8 (CCK-8) and flow cytometry analysis, respectively. HCC cell migration and invasion were measured by Transwell assay. Tumor growth of HCC cells in vivo was measured using the nude mouse xenograft model. The correlation between TRIM52 and PPM1A was measured by co-immunoprecipitation (Co-IP) and ubiquitination analysis in vitro. Results TRIM52 was significantly up-regulated in the HCC tissues in comparison with the adjacent non-tumor hepatic tissues. TRIM52 was also up-regulated in HCC cell lines (MHCC-97H and MHCC-97L cells) compared with normal human liver cell line LO2. TRIM52 down-regulation by RNA interfering in MHCC-97H cells enhanced inhibition of cell proliferation, migration and invasion. TRIM52 down-regulation also induced MHCC-97H cells arrest in G0-G1 phase cell cycle and inhibited MHCC-97H cell growth in the nude mice. However, TRIM52 up-regulation in MHCC-97L cells promoted cell proliferation, migration and invasion. Furthermore, TRIM52 down-regulation significantly increased p21 and PPM1A expression, but inhibited MMP2 expression and induced Smad2/3 dephosphorylation in MHCC-97H cells, which were reversed by TRIM52 up-regulation in MHCC-97L cells. TRIM52 was found interacted with PPM1A and TRIM52 down-regulation inhibited the ubiquitination of PPM1A. Importantly, PPM1A up-regulation in MHCC-97L cells significantly suppressed TRIM52-mediated enhancement on cell proliferation, invasion and migration. Conclusions Our findings suggest that TRIM52 up-regulation promotes proliferation, migration and invasion of HCC cells through the ubiquitination of PPM1A.
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Affiliation(s)
- Yi Zhang
- Department of Infectious Diseases, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China
| | - Ran Tao
- Department of Cardiology, Central Hospital of Minhang District, Shanghai, 201199, China
| | - Shan-Shan Wu
- Department of Infectious Diseases, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China
| | - Cui-Cui Xu
- Department of Infectious Diseases, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China
| | - Jie-Ling Wang
- Department of Critical Care Medicine, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, Anhui Province, China
| | - Jie Chen
- Department of Infectious Diseases, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China
| | - Yong-Sheng Yu
- Department of Infectious Diseases, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China
| | - Zheng-Hao Tang
- Department of Infectious Diseases, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China
| | - Xiao-Hua Chen
- Department of Infectious Diseases, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China.
| | - Guo-Qing Zang
- Department of Infectious Diseases, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China.
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Chapagain S, Park YC, Kim JH, Jang CS. Oryza sativa salt-induced RING E3 ligase 2 (OsSIRP2) acts as a positive regulator of transketolase in plant response to salinity and osmotic stress. PLANTA 2018; 247:925-939. [PMID: 29285618 DOI: 10.1007/s00425-017-2838-x] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Accepted: 12/21/2017] [Indexed: 05/13/2023]
Abstract
A rice gene (OsSIRP2) encoding the RING Ub E3 ligase was highly induced under salinity stress and physically interacted with a transketolase (OsTKL1). Overexpression of OsSIRP2 conferred salinity and osmotic stress tolerance in plants. The RING E3 ligases play a vital role in post transitional modification through ubiquitination-mediated protein degradation that mediate plants responses during abiotic stresses and signal transduction. In this study, we report an Oryza sativa salt induced Really Interesting New Gene (RING) finger protein 2 gene (OsSIRP2) and elucidate its role under salinity and osmotic stress. The transcript levels of OsSIRP2 in rice leaves were induced in response to different abiotic stresses, such as salt, drought, heat, and abscisic acid (ABA) exposure. In vitro ubiquitination revealed that the OsSIRP2 protein formed poly-ubiquitin products, whereas a single amino acid substitution in OsSIRP2 (OsSIRP2C149A) in the RING domain did not form ubiquitinated substrates, supporting the hypothesis that E3 ligase activity requires the functional RING domain. Using the yeast two-hybrid (Y2H) assay, O. sativa transketolase 1 (OsTKL1) was identified as an interacting partner. OsSIRP2 was localized in the nucleus, whereas its interacting partner (OsTKL1) was localized in the cytosol and plastids in the rice protoplasts. Fluorescence signals between OsSIRP2 and OsTKL1 were observed in the cytosol. The pull-down assay confirmed the physical interaction between OsSIRP2 and OsTKL1. In vitro ubiquitination assay and in vitro protein degradation assay revealed that OsSIRP2 ubiquitinates OsTKL1 and enhances the degradation of OsTKL1 through the 26S proteasomal pathway. Heterogeneous overexpression of OsSIRP2 resulted in conferring tolerance against salinity and osmotic stress. Overall, our findings suggest that OsSIRP2 may be associated with plant responses to abiotic stresses and act as a positive regulator of salt and osmotic stress tolerance.
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Affiliation(s)
- Sandeep Chapagain
- Plant Genomics Laboratory, Department of Applied Plant Sciences, Kangwon National University, Chuncheon, 24341, Korea
| | - Yong Chan Park
- Plant Genomics Laboratory, Department of Applied Plant Sciences, Kangwon National University, Chuncheon, 24341, Korea
| | - Ju Hee Kim
- Plant Genomics Laboratory, Department of Applied Plant Sciences, Kangwon National University, Chuncheon, 24341, Korea
| | - Cheol Seong Jang
- Plant Genomics Laboratory, Department of Applied Plant Sciences, Kangwon National University, Chuncheon, 24341, Korea.
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35
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Functional diversity of RING E3 ligases of major cereal crops in response to abiotic stresses. ACTA ACUST UNITED AC 2017. [DOI: 10.1007/s12892-017-0104-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Lindsay ER, Maathuis FJM. New Molecular Mechanisms to Reduce Arsenic in Crops. TRENDS IN PLANT SCIENCE 2017; 22:1016-1026. [PMID: 29056439 DOI: 10.1016/j.tplants.2017.09.015] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 09/22/2017] [Accepted: 09/25/2017] [Indexed: 05/18/2023]
Abstract
Arsenic is toxic to all life forms and is a potent carcinogen. Its accumulation in crop plants and subsequent consumption poses a serious threat to public health worldwide. Recent developments have enhanced our understanding of the molecular mechanisms governing arsenic uptake, detoxification, and accumulation in plants. In particular, the identification of plant arsenate reductase enzymes and emerging details of the processes underlying arsenic distribution and deposition in the seed will prove invaluable in the development of new strategies to mitigate this threat. Here we provide an outline of these recent developments and suggest new molecular mechanisms that could be employed to reduce arsenic in crops.
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Affiliation(s)
- Emma R Lindsay
- Department of Biology, University of York, York YO10 5DD, UK
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37
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Hwang SG, Chapagain S, Han AR, Park YC, Park HM, Kim YH, Jang CS. Molecular characterization of rice arsenic-induced RING finger E3 ligase 2 (OsAIR2) and its heterogeneous overexpression in Arabidopsis thaliana. PHYSIOLOGIA PLANTARUM 2017; 161:372-384. [PMID: 28766720 DOI: 10.1111/ppl.12607] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 06/16/2017] [Accepted: 07/10/2017] [Indexed: 06/07/2023]
Abstract
Arsenic (As) accumulation adversely affects the growth and productivity of plants and poses a serious threat to human health and food security. In this study, we identified one As-responsive Really Interesting New Gene (RING) E3 ubiquitin ligase gene from rice root tissues during As stress. We named it Oryza sativa As-Induced RING E3 ligase 2 (OsAIR2). Expression of OsAIR2 was induced under various abiotic stress conditions, including heat, salt, drought and As exposure. Results of an in vitro ubiquitination assay showed that OsAIR2 possesses an E3 ligase activity. Within the cell, OsAIR2 was found to be localized to the Golgi apparatus. Using yeast two-hybrid (Y2H) assay, the 3-ketoacyl-CoA thiolase (KAT) protein was identified as an interaction partner. We found that the O. sativa KAT1 (OsKAT1) is localized to the cytosol and peroxisomes. Moreover, in vitro pull-down assay verified the physical interaction between OsAIR2 and OsKAT1. Interestingly, in vitro ubiquitination assay and in vivo proteasomal degradation assay revealed that OsAIR2 ubiquitinates OsKAT1 and promotes the degradation of OsKAT1 via the 26S proteasome degradation pathway. Heterogeneous overexpression of OsAIR2 in Arabidopsis improved the seed germination and increased the root length under arsenate stress conditions. Therefore, these results suggest that OsAIR2 may be associated with the plant response to As stress and acts as a positive regulator of As stress tolerance.
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Affiliation(s)
- Sun-Goo Hwang
- Plant Genomics Laboratory, Department of Applied Plant Sciences, Kangwon National University, Chuncheon, 24341, South Korea
| | - Sandeep Chapagain
- Plant Genomics Laboratory, Department of Applied Plant Sciences, Kangwon National University, Chuncheon, 24341, South Korea
| | - A-Reum Han
- Plant Genomics Laboratory, Department of Applied Plant Sciences, Kangwon National University, Chuncheon, 24341, South Korea
| | - Yong Chan Park
- Plant Genomics Laboratory, Department of Applied Plant Sciences, Kangwon National University, Chuncheon, 24341, South Korea
| | - Hyeon Mi Park
- Plant Genomics Laboratory, Department of Applied Plant Sciences, Kangwon National University, Chuncheon, 24341, South Korea
| | - Yong Hwan Kim
- Department of Crop Science and Biotechnology, Dankook University, Cheonan, 31116, South Korea
| | - Cheol Seong Jang
- Plant Genomics Laboratory, Department of Applied Plant Sciences, Kangwon National University, Chuncheon, 24341, South Korea
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Hasan MK, Cheng Y, Kanwar MK, Chu XY, Ahammed GJ, Qi ZY. Responses of Plant Proteins to Heavy Metal Stress-A Review. FRONTIERS IN PLANT SCIENCE 2017; 8:1492. [PMID: 28928754 PMCID: PMC5591867 DOI: 10.3389/fpls.2017.01492] [Citation(s) in RCA: 177] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Accepted: 08/11/2017] [Indexed: 05/17/2023]
Abstract
Plants respond to environmental pollutants such as heavy metal(s) by triggering the expression of genes that encode proteins involved in stress response. Toxic metal ions profoundly affect the cellular protein homeostasis by interfering with the folding process and aggregation of nascent or non-native proteins leading to decreased cell viability. However, plants possess a range of ubiquitous cellular surveillance systems that enable them to efficiently detoxify heavy metals toward enhanced tolerance to metal stress. As proteins constitute the major workhorses of living cells, the chelation of metal ions in cytosol with phytochelatins and metallothioneins followed by compartmentalization of metals in the vacuoles as well as the repair of stress-damaged proteins or removal and degradation of proteins that fail to achieve their native conformations are critical for plant tolerance to heavy metal stress. In this review, we provide a broad overview of recent advances in cellular protein research with regards to heavy metal tolerance in plants. We also discuss how plants maintain functional and healthy proteomes for survival under such capricious surroundings.
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Affiliation(s)
- Md. Kamrul Hasan
- Department of Horticulture, Zhejiang UniversityHangzhou, China
- Department of Agricultural Chemistry, Sylhet Agricultural UniversitySylhet, Bangladesh
| | - Yuan Cheng
- State Key Laboratory Breeding Base for Zhejiang Sustainable Pest and Disease Control, Institute of Vegetables, Zhejiang Academy of Agricultural SciencesHangzhou, China
| | | | - Xian-Yao Chu
- Zhejiang Institute of Geological Survey, Geological Research Center for Agricultural Applications, China Geological SurveyBeijing, China
| | | | - Zhen-Yu Qi
- Agricultural Experiment Station, Zhejiang UniversityHangzhou, China
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Hwang SG, Kim JJ, Lim SD, Park YC, Moon JC, Jang CS. Molecular dissection of Oryza sativa salt-induced RING Finger Protein 1 (OsSIRP1): possible involvement in the sensitivity response to salinity stress. PHYSIOLOGIA PLANTARUM 2016; 158:168-79. [PMID: 27118216 DOI: 10.1111/ppl.12459] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2016] [Accepted: 03/15/2016] [Indexed: 05/20/2023]
Abstract
Ubiquitination-mediated protein degradation via Really Interesting New Gene (RING) E3 ligase plays an important role in plant responses to abiotic stress conditions. Many plant studies have found that RING proteins regulate the perception of various abiotic stresses and signal transduction. In this study, Oryza sativa salt-induced RING Finger Protein 1 (OsSIRP1) gene was selected randomly from 44 Oryza sativa RING Finger Proteins (OsRFPs) genes highly expressed in rice roots exposed to salinity stress. Transcript levels of OsSIRP1 in rice leaves after various stress treatments, including salt, heat, drought and hormone abscisic acid (ABA), were observed. Poly-ubiquitinated products of OsSIRP1 were investigated via an in vitro ubiquitination assay.35S:OsSIRP1-EYFP was distributed in the cytosol of untreated and salt-treated rice protoplasts. Heterogeneous overexpression of OsSIRP1 in Arabidopsis reduced tolerance for salinity stress during seed germination and root growth. Our findings indicate that OsSIRP1 acts as a negative regulator of salinity stress tolerance mediated by the ubiquitin 26S proteasome system.
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Affiliation(s)
- Sun-Goo Hwang
- Plant Genomics Laboratory, Department of Applied Plant Sciences, Kangwon National University, Chuncheon, 200-713, Korea
- Agriculture and Life Sciences Research Institute, Kangwon National University, Chuncheon, 200-713, Korea
| | - Jung Ju Kim
- Plant Genomics Laboratory, Department of Applied Plant Sciences, Kangwon National University, Chuncheon, 200-713, Korea
| | - Sung Don Lim
- Plant Genomics Laboratory, Department of Applied Plant Sciences, Kangwon National University, Chuncheon, 200-713, Korea
| | - Yong Chan Park
- Plant Genomics Laboratory, Department of Applied Plant Sciences, Kangwon National University, Chuncheon, 200-713, Korea
| | - Jun-Cheol Moon
- Plant Genomics Laboratory, Department of Applied Plant Sciences, Kangwon National University, Chuncheon, 200-713, Korea
- Agriculture and Life Sciences Research Institute, Kangwon National University, Chuncheon, 200-713, Korea
| | - Cheol Seong Jang
- Plant Genomics Laboratory, Department of Applied Plant Sciences, Kangwon National University, Chuncheon, 200-713, Korea.
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40
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Hwang SG, Park HM, Han AR, Jang CS. Molecular characterization of Oryza sativa arsenic-induced RING E3 ligase 1 (OsAIR1): Expression patterns, localization, functional interaction, and heterogeneous overexpression. JOURNAL OF PLANT PHYSIOLOGY 2016; 191:140-8. [PMID: 26788958 DOI: 10.1016/j.jplph.2015.12.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2015] [Revised: 12/31/2015] [Accepted: 12/31/2015] [Indexed: 05/25/2023]
Abstract
High levels of arsenic (As) in plants are a serious threat to human health, and arsenic accumulation affects plant metabolism and ultimately photosynthesis, growth, and development. We attempted to isolate As-responsive Really Interesting New Gene (RING) E3 ubiquitin ligase genes from rice, and we have designated one such gene Oryza sativa arsenic-induced RING E3 ligase 1 (OsAIR1). OsAIR1 expression was induced under abiotic stress conditions, including drought, salt, heat, and As exposure. Results from an in vitro ubiquitination assay showed that OsAIR1 possesses E3 ligase activity. Within the cell, the expression of this gene was found to be localized to the vacuole. In a network-based analysis, we found significantly enriched gene ontology (GO) functions, which included ribonucleoprotein complexes such as ribosomes, suggesting that the function of OsAIR1 are related to translation. Differences in the proportion of seedlings with expanded cotyledons and root lengths, and the lack of differences in germination rates between OsAIR1-overexpressing lines and control plants under AsV stress, suggest that OsAIR1 may positively regulate post-germination plant growth under stress conditions.
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Affiliation(s)
- Sun-Goo Hwang
- Plant Genomics Laboratory, Department of Applied Plant Sciences, Kangwon National University, Chuncheon 200-713, South Korea
| | - Hyeon Mi Park
- Plant Genomics Laboratory, Department of Applied Plant Sciences, Kangwon National University, Chuncheon 200-713, South Korea
| | - A-Reum Han
- Plant Genomics Laboratory, Department of Applied Plant Sciences, Kangwon National University, Chuncheon 200-713, South Korea
| | - Cheol Seong Jang
- Plant Genomics Laboratory, Department of Applied Plant Sciences, Kangwon National University, Chuncheon 200-713, South Korea.
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41
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Liu Q, Hu H, Zhu L, Li R, Feng Y, Zhang L, Yang Y, Liu X, Zhang H. Involvement of miR528 in the Regulation of Arsenite Tolerance in Rice (Oryza sativa L.). JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:8849-61. [PMID: 26403656 DOI: 10.1021/acs.jafc.5b04191] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Tens of miRNAs were previously established as being arsenic (As) stress responsive in rice. However, their functional role in As tolerance remains unclear. This study demonstrates that transgenic plants overexpressing miR528 (Ubi::MIR528) were more sensitive to arsenite [As(III)] compared with wild-type (WT) rice. Under normal and stress conditions, miR528-5p and -3p were highly up-regulated in both the roots and leaves of transgenic plants, which exhibited a negative correlation with the expression of seven target genes. Compared with WT plants, Ubi::MIR528 plants showed excessive oxidative stress generation and remarkable amino acid content changes in the roots and leaves upon As(III) exposure. Notably, the expression profiles of diverse functional genes were clearly different between WT and transgenic plants. Thus, the observed As(III) sensitivity of Ubi::MIR528 plants was likely due to the strong alteration of antioxidant enzyme activity and amino acid profiles and the impairment of the As(III) uptake, translocation, and tolerance systems of rice.
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Affiliation(s)
| | | | | | | | - Ying Feng
- College of Environmental and Resources Science, Zhejiang University , Hangzhou 310058, People's Republic of China
| | | | | | | | - Hengmu Zhang
- Institute of Virology and Biotechnology, Zhejiang Academy of Agricultural Sciences , Hangzhou 310021, People's Republic of China
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Park YC, Kim JJ, Kim DS, Jang CS. Rice RING E3 ligase may negatively regulate gamma-ray response to mediate the degradation of photosynthesis-related proteins. PLANTA 2015; 241:1119-29. [PMID: 25600999 DOI: 10.1007/s00425-015-2242-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2014] [Accepted: 01/04/2015] [Indexed: 05/24/2023]
Abstract
In this study, our findings regarding the regulation of GA irradiation-induced OsGIRP1 in relation to the levels of photosynthesis-related proteins such as OsrbcL1 and OsrbcS1 and hypersensitive responses of overexpressing plants to GR irradiation provide insight into the molecular functions of OsGIRP1 as a negative regulator in response to the stress of radiation. The RING (Really Interesting New Gene) finger proteins are known to play crucial roles in various abiotic stresses in plants. Here, we report on RING finger E3 ligase, Oryza sativa gamma rays-induced RING finger protein1 gene (OsGIRP1), which is highly induced by gamma rays (GR) irradiation. In vitro ubiquitination assay demonstrated that a single amino acid substitution (OsGIRP1(C196A)) of the RING domain showed no E3 ligase activity, supporting the notion that the activity of most E3s is specified by a RING domain. We isolated at least 6 substrate proteins of OsGIRP1, including 2 Rubisco subunits, OsrbcL1 and OsrbcSl, via yeast two-hybridization and bimolecular fluorescence complementation assays. OsGIRP1 and its partner proteins were targeted to the cytosol and the cytosol or chloroplasts, respectively; however, florescence signals of the complexes with OsGIPR1 were observed in the cytosol. Protein degradation in cell extracts showed that OsGIRP1 mediates proteolysis of 2 substrates, OsrbcS1 and OsrbcL1, via the 26S proteasome degradation pathway. The Arabidopsis plants overexpressing OsGIRP1 clearly exhibited increased sensitivity to GR irradiation. These results might suggest that OsGIRP1 acts as a negative regulator of GR response to mediate the degradation of photosynthesis-related proteins.
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Affiliation(s)
- Yong Chan Park
- Plant Genomics Lab, Department of Applied Plant Sciences, Kangwon National University, Chuncheon, 200-713, Republic of Korea
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Dametto A, Buffon G, Dos Reis Blasi ÉA, Sperotto RA. Ubiquitination pathway as a target to develop abiotic stress tolerance in rice. PLANT SIGNALING & BEHAVIOR 2015; 10:e1057369. [PMID: 26236935 PMCID: PMC4883960 DOI: 10.1080/15592324.2015.1057369] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2015] [Revised: 05/26/2015] [Accepted: 05/27/2015] [Indexed: 05/18/2023]
Abstract
Abiotic stresses may result in significant losses in rice grain productivity. Protein regulation by the ubiquitin/proteasome system has been studied as a target mechanism to optimize adaptation and survival strategies of plants to different environmental stresses. This article aimed at highlighting recent discoveries about the roles ubiquitination may play in the exposure of rice plants to different abiotic stresses, enabling the development of modified plants tolerant to stress. Responses provided by the ubiquitination process include the regulation of the stomatal opening, phytohormones levels, protein stabilization, cell membrane integrity, meristematic cell maintenance, as well as the regulation of reactive oxygen species and heavy metals levels. It is noticeable that ubiquitination is a potential means for developing abiotic stress tolerant plants, being an excellent alternative to rice (and other cultures) improvement programs.
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Affiliation(s)
- Andressa Dametto
- Programa de Pós-Graduação em Biotecnologia (PPGBiotec) and Centro Universitário UNIVATES; Lajeado, RS, Brazil
| | - Giseli Buffon
- Programa de Pós-Graduação em Biotecnologia (PPGBiotec) and Centro Universitário UNIVATES; Lajeado, RS, Brazil
| | | | - Raul Antonio Sperotto
- Programa de Pós-Graduação em Biotecnologia (PPGBiotec) and Centro Universitário UNIVATES; Lajeado, RS, Brazil
- Centro de Ciências Biológicas e da Saúde (CCBS); Centro Universitário UNIVATES; Lajeado, RS, Brazil
- Correspondence to: Raul Antonio Sperotto;
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