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Xiao Q, Huang X, Chen Y, Zhang X, Liu X, Lu J, Mi L, Li B. Effects of N, N-bis (carboxymethyl)-L-glutamic acid and polyaspartic acid on the phytoremediation of cadmium in contaminated soil at the presence of pyrene: Biochemical properties and transcriptome analysis. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 366:121825. [PMID: 38996604 DOI: 10.1016/j.jenvman.2024.121825] [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: 05/05/2024] [Revised: 06/24/2024] [Accepted: 07/08/2024] [Indexed: 07/14/2024]
Abstract
Chelator-assisted phytoremediation is an efficacious method for promoting the removal efficiency of heavy metals (HMs). The effects of N, N-bis(carboxymethyl)-L-glutamic acid (GLDA) and polyaspartic acid (PASP) on Cd uptake and pyrene removal by Solanum nigrum L. (S. nigrum) were compared in this study. Using GLDA or PASP, the removal efficiency of pyrene was over 98%. And PASP observably raised the accumulation and transport of Cd by S. nigrum compared with GLDA. Meanwhile, both GLDA and PASP markedly increased soil dehydrogenase activities (DHA) and microbial activities. DHA and microbial activities in the PASP treatment group were 1.05 and 1.06 folds of those in the GLDA treatment group, respectively. Transcriptome analysis revealed that 1206 and 1684 differentially expressed genes (DEGs) were recognized in the GLDA treatment group and PASP treatment group, respectively. Most of the DEGs found in the PASP treatment group were involved in the metabolism of carbohydrates, the biosynthesis of brassinosteroid and flavonoid, and they were up-regulated. The DEGs related to Cd transport were screened, and ABCG3, ABCC4, ABCG9 and Nramp5 were found to be relevant with the reduction of Cd stress in S. nigrum by PASP. Furthermore, with PASP treated, transcription factors (TFs) related to HMs such as WRKY, bHLH, AP2/ERF, MYB were down-regulated, while more MYB and bZIP TFs were up-regulated. These TFs associated with plant stress resistance would work together to induce oxidative stress. The above results indicated that PASP was more conducive for phytoremediation of Cd-pyrene co-contaminated soil than GLDA.
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Affiliation(s)
- Qingyun Xiao
- College of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, China.
| | - Xun Huang
- College of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, China; Shanghai Huali Integrated Circuit Manufacturing Co., LTD, Shanghai, 201317, China
| | - Yuye Chen
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai, 200241, China
| | - Xinying Zhang
- College of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, China.
| | - Xiaoyan Liu
- College of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, China.
| | - Jingxian Lu
- College of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, China
| | - Lanxin Mi
- College of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, China
| | - Beibei Li
- Ecological Environment Monitoring and Scientific Research Center, Taihu Basin & East China Sea Ecological Environment Supervision and Administration Bureau, Ministry of Ecology and Environment, Shanghai, 200125, China
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Zhang H, Lu L. Transcription factors involved in plant responses to cadmium-induced oxidative stress. FRONTIERS IN PLANT SCIENCE 2024; 15:1397289. [PMID: 38938636 PMCID: PMC11209895 DOI: 10.3389/fpls.2024.1397289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Accepted: 05/15/2024] [Indexed: 06/29/2024]
Abstract
Cadmium (Cd) is a heavy metal highly toxic to living organisms. Cd pollution of soils has become a serious problem worldwide, posing a severe threat to crop production and human health. When plants are poisoned by Cd, their growth and development are inhibited, chloroplasts are severely damaged, and respiration and photosynthesis are negatively affected. Therefore, elucidating the molecular mechanisms that underlie Cd tolerance in plants is important. Transcription factors can bind to specific plant cis-acting genes. Transcription factors are frequently reported to be involved in various signaling pathways involved in plant growth and development. Their role in the resistance to environmental stress factors, particularly Cd, should not be underestimated. The roles of several transcription factor families in the regulation of plant resistance to Cd stress have been widely demonstrated. In this review, we summarize the mechanisms of five major transcription factor families-WRKY, ERF, MYB, bHLH, and bZIP-in plant resistance to Cd stress to provide useful information for using molecular techniques to solve Cd pollution problems in the future.
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Affiliation(s)
- Hewan Zhang
- Key Laboratory of Environment Remediation and Ecological Health, College of Natural Resource & Environmental Sciences, Zhejiang University, Hangzhou, China
| | - Lingli Lu
- Key Laboratory of Environment Remediation and Ecological Health, College of Natural Resource & Environmental Sciences, Zhejiang University, Hangzhou, China
- Key Laboratory of Agricultural Resource and Environment of Zhejiang Province, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, China
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Yao Y, He Z, Li X, Xu J, Han X, Liang H, Zhuo R, Qiu W. Genome-wide identification of bHLH gene family and its response to cadmium stress in Populus × canescens. PeerJ 2024; 12:e17410. [PMID: 38818458 PMCID: PMC11138517 DOI: 10.7717/peerj.17410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Accepted: 04/26/2024] [Indexed: 06/01/2024] Open
Abstract
The basic helix-loop-helix (bHLH) gene family is integral to various aspects of plant development and the orchestration of stress response. This study focuses on the bHLH genes within Populus × canescens, a poplar species noted for its significant tolerance to cadmium (Cd) stress. Through our comprehensive genomic analysis, we have identified and characterized 170 bHLH genes within the P. canescens genome. These genes have been systematically classified into 22 distant subfamilies based on their evolutionary relationships. A notable conservation in gene structure and motif compositions were conserved across these subfamilies. Further analysis of the promoter regions of these genes revealed an abundance of essential cis-acting element, which are associated with plant hormonal regulation, development processes, and stress response pathway. Utilizing quantitative PCR (qPCR), we have documented the differential regulation of PcbHLHs in response to elevated Cd concentrations, with distinct expression patterns observed across various tissues. This study is poised to unravel the molecular mechanism underpinning Cd tolerance in P. canescens, offering valuable insights for the development of new cultivars with enhanced Cd accumulation capacity and tolerance. Such advancements are crucial for implementing effective phytoremediation strategies to mitigate soil pollution caused by Cd.
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Affiliation(s)
- Yuneng Yao
- China Three Gorges University, Yichang, China
- The Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou, China
- State Key Laboratory of Tree Genetic and Breeding, Chinese Academy of Forestry, Beijing, China
| | | | - Xinmeng Li
- China Three Gorges University, Yichang, China
- The Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou, China
- State Key Laboratory of Tree Genetic and Breeding, Chinese Academy of Forestry, Beijing, China
| | - Jing Xu
- The Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou, China
- State Key Laboratory of Tree Genetic and Breeding, Chinese Academy of Forestry, Beijing, China
| | - Xiaojiao Han
- The Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou, China
- State Key Laboratory of Tree Genetic and Breeding, Chinese Academy of Forestry, Beijing, China
| | | | - Renying Zhuo
- The Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou, China
- State Key Laboratory of Tree Genetic and Breeding, Chinese Academy of Forestry, Beijing, China
| | - Wenmin Qiu
- The Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou, China
- State Key Laboratory of Tree Genetic and Breeding, Chinese Academy of Forestry, Beijing, 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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Wang H, Zhao X, Ye Z, Zhu B, Gu L, Du X, Zhu X, Wang H. Topless-related 2 conferred cadmium accumulation in wheat. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 208:108469. [PMID: 38437752 DOI: 10.1016/j.plaphy.2024.108469] [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: 11/15/2023] [Revised: 02/05/2024] [Accepted: 02/23/2024] [Indexed: 03/06/2024]
Abstract
Wheat is a vital food crop that faces threats from various abiotic and biotic stresses. Understanding the molecular mechanism of cadmium (Cd) resistance can provide valuable insights into the tolerance of wheat. Plant proteins known as Topless/Topless-Related (TPL/TPR) play a role in growth, development, defense regulation, and stress response. In this study, we identified TaTPR2 as being induced by Cd stress treatment. Upon Cd treatment, wheat plants overexpressing TaTPR2 exhibited better growth compared to wild-type (WT) plants. Moreover, the transgenic lines showed reduced accumulation of reactive oxygen species (ROS), along with significantly higher activities of superoxide dismutase (SOD), peroxidase (POD), and catalase (CAT) compared to WT plants. Additionally, the transgenic lines exhibited lower levels of malondialdehyde (MDA) and electrolyte leakage compared to WT plants. Further analysis revealed that TabHLH41 directly binds to the E-box motif of the TaTPR2 promoter and positively regulates its expression. Overall, the overexpression of TaTPR2 in transgenic wheat resulted in reduced accumulation of Cd and ROS. These findings highlight the significance of the TabHLH41-TaTPR2 pathway as a crucial response to Cd stress in wheat.
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Affiliation(s)
- Hongcheng Wang
- School of Life Sciences, Guizhou Normal University, Guiyang, Guizhou Province, China
| | - Xiaosheng Zhao
- School of Life Sciences, Guizhou Normal University, Guiyang, Guizhou Province, China
| | - Zi Ye
- School of Life Sciences, Guizhou Normal University, Guiyang, Guizhou Province, China
| | - Bin Zhu
- School of Life Sciences, Guizhou Normal University, Guiyang, Guizhou Province, China
| | - Lei Gu
- School of Life Sciences, Guizhou Normal University, Guiyang, Guizhou Province, China
| | - Xuye Du
- School of Life Sciences, Guizhou Normal University, Guiyang, Guizhou Province, China
| | - Xiu Zhu
- School of Life Sciences, Guizhou Normal University, Guiyang, Guizhou Province, China.
| | - Huinan Wang
- School of Life Sciences, Guizhou Normal University, Guiyang, Guizhou Province, China.
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Xu Y, Li Y, Li Y, Zhai C, Zhang K. Transcriptome Analysis Reveals the Stress Tolerance Mechanisms of Cadmium in Zoysia japonica. PLANTS (BASEL, SWITZERLAND) 2023; 12:3833. [PMID: 38005730 PMCID: PMC10674853 DOI: 10.3390/plants12223833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 11/09/2023] [Accepted: 11/10/2023] [Indexed: 11/26/2023]
Abstract
Cadmium (Cd) is a severe heavy metal pollutant globally. Zoysia japonica is an important perennial warm-season turf grass that potentially plays a role in phytoremediation in Cd-polluted soil areas; however, the molecular mechanisms underlying its Cd stress response are unknown. To further investigate the early gene response pattern in Z. japonica under Cd stress, plant leaves were harvested 0, 6, 12, and 24 h after Cd stress (400 μM CdCl2) treatment and used for a time-course RNA-sequencing analysis. Twelve cDNA libraries were constructed and sequenced, and high-quality data were obtained, whose mapped rates were all higher than 94%, and more than 601 million bp of sequence were generated. A total of 5321, 6526, and 4016 differentially expressed genes were identified 6, 12, and 24 h after Cd stress treatment, respectively. A total of 1660 genes were differentially expressed at the three time points, and their gene expression profiles over time were elucidated. Based on the analysis of these genes, the important mechanisms for the Cd stress response in Z. japonica were identified. Specific genes participating in glutathione metabolism, plant hormone signal and transduction, members of protein processing in the endoplasmic reticulum, transporter proteins, transcription factors, and carbohydrate metabolism pathways were further analyzed in detail. These genes may contribute to the improvement of Cd tolerance in Z. japonica. In addition, some candidate genes were highlighted for future studies on Cd stress resistance in Z. japonica and other plants. Our results illustrate the early gene expression response of Z. japonica leaves to Cd and provide some new understanding of the molecular mechanisms of Cd stress in Zosia and Gramineae species.
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Affiliation(s)
- Yi Xu
- College of Grassland Science, Qingdao Agricultural University, Qingdao 266109, China; (Y.X.); (Y.L.); (Y.L.); (C.Z.)
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Yonglong Li
- College of Grassland Science, Qingdao Agricultural University, Qingdao 266109, China; (Y.X.); (Y.L.); (Y.L.); (C.Z.)
| | - Yan Li
- College of Grassland Science, Qingdao Agricultural University, Qingdao 266109, China; (Y.X.); (Y.L.); (Y.L.); (C.Z.)
| | - Chenyuan Zhai
- College of Grassland Science, Qingdao Agricultural University, Qingdao 266109, China; (Y.X.); (Y.L.); (Y.L.); (C.Z.)
| | - Kun Zhang
- College of Grassland Science, Qingdao Agricultural University, Qingdao 266109, China; (Y.X.); (Y.L.); (Y.L.); (C.Z.)
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7
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Zhang M, Chang MH, Li H, Shu YJ, Bai Y, Gao JY, Zhu JX, Dong XY, Guo DL, Guo CH. MsYSL6, A Metal Transporter Gene of Alfalfa, Increases Iron Accumulation and Benefits Cadmium Resistance. PLANTS (BASEL, SWITZERLAND) 2023; 12:3485. [PMID: 37836225 PMCID: PMC10575464 DOI: 10.3390/plants12193485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 10/01/2023] [Accepted: 10/03/2023] [Indexed: 10/15/2023]
Abstract
Iron (Fe) is necessary for plant growth and development. The mechanism of uptake and translocation in Cadmium (Cd) is similar to iron, which shares iron transporters. Yellow stripe-like transporter (YSL) plays a pivotal role in transporting iron and other metal ions in plants. In this study, MsYSL6 and its promoter were cloned from leguminous forage alfalfa. The transient expression of MsYSL6-GFP indicated that MsYSL6 was localized to the plasma membrane and cytoplasm. The expression of MsYSL6 was induced in alfalfa by iron deficiency and Cd stress, which was further proved by GUS activity driven by the MsYSL6 promoter. To further identify the function of MsYSL6, it was heterologously overexpressed in tobacco. MsYSL6-overexpressed tobacco showed better growth and less oxidative damage than WT under Cd stress. MsYSL6 overexpression elevated Fe and Cd contents and induced a relatively high Fe translocation rate in tobacco under Cd stress. The results suggest that MsYSL6 might have a dual function in the absorption of Fe and Cd, playing a role in the competitive absorption between Fe and Cd. MsYSL6 might be a regulatory factor in plants to counter Cd stress. This study provides a novel gene for application in heavy metal enrichment or phytoremediation and new insights into plant tolerance to toxic metals.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Dong-Lin Guo
- Heilongjiang Provincial Key Laboratory of Molecular Cell Genetics and Genetic Breeding, College of Life Science and Technology, Harbin Normal University, Harbin 150025, China; (M.Z.); (M.-H.C.); (H.L.); (Y.-J.S.); (Y.B.); (J.-Y.G.); (J.-X.Z.); (X.-Y.D.)
| | - Chang-Hong Guo
- Heilongjiang Provincial Key Laboratory of Molecular Cell Genetics and Genetic Breeding, College of Life Science and Technology, Harbin Normal University, Harbin 150025, China; (M.Z.); (M.-H.C.); (H.L.); (Y.-J.S.); (Y.B.); (J.-Y.G.); (J.-X.Z.); (X.-Y.D.)
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Wang X, Komatsu S. Subcellular Proteomics to Elucidate Soybean Response to Abiotic Stress. PLANTS (BASEL, SWITZERLAND) 2023; 12:2865. [PMID: 37571018 PMCID: PMC10421527 DOI: 10.3390/plants12152865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 08/01/2023] [Accepted: 08/02/2023] [Indexed: 08/13/2023]
Abstract
Climate change jeopardizes soybean production by declining seed yield and quality. In this review, the morphophysiological alterations of soybean in response to abiotic stress are summarized, followed by illustrations of cellular metabolisms and regulatory mechanisms to organellar stress based on subcellular proteomics. This highlights the communications associated with reactive oxygen species scavenging, molecular chaperones, and phytohormone signals among subcellular compartments. Given the complexity of climate change and the limitations of plants in coping with multiple abiotic stresses, a generic response to environmental constraints is proposed between calcium and abscisic acid signals in subcellular organelles. This review summarizes the findings of subcellular proteomics in stressed soybean and discusses the future prospects of subcellular proteomics for promoting the improvement of climate-tolerant crops.
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Affiliation(s)
- Xin Wang
- College of Agronomy and Biotechnology, China Agricultural University, Beijing 100193, China;
| | - Setsuko Komatsu
- Faculty of Environmental and Information Sciences, Fukui University of Technology, Fukui 910-8505, Japan
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Wang B, Wang Y, Yuan X, Jiang Y, Zhu Y, Kang X, He J, Xiao Y. Comparative transcriptomic analysis provides key genetic resources in clove basil ( Ocimum gratissimum) under cadmium stress. Front Genet 2023; 14:1224140. [PMID: 37576563 PMCID: PMC10412823 DOI: 10.3389/fgene.2023.1224140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 07/11/2023] [Indexed: 08/15/2023] Open
Abstract
Planting aromatic plant might be a promising strategy for safely utilizing heavy metal (HM)-contaminated soils, as HMs in essential oil could be completely excluded using some special technologies with ease. Clove basil (Ocimum gratissimum L.) is an important aromatic plant used in essential oil production. Improving cadmium (Cd) tolerance in clove basil can increase its production and improve the utilization efficiency of Cd-contaminated soils. However, the lack of genomic information on clove basil greatly restricts molecular studies and applications in phytoremediation. In this study, we demonstrated that high levels of Cd treatments (0.8, 1.6 and 6.5 mg/L) significantly impacted the growth and physiological attributes of clove basil. Cd contents in clove basil tissues increased with treatment concentrations. To identify Cd stress-responsive genes, we conducted a comparative transcriptomic analysis using seedlings cultured in the Hoagland's solution without Cd ion (control) or containing 1.6 mg/L CdCl2 (a moderate concentration of Cd stress for clove basil seedlings). A total of 104.38 Gb clean data with high-quality were generated in clove basil under Cd stress through Illumina sequencing. More than 1,800 differential expressed genes (DEGs) were identified after Cd treatment. The reliability and reproducibility of the transcriptomic data were validated through qRT-PCR analysis and Sanger sequencing. KEGG classification analysis identified the "MAPK signaling pathway," "plant hormone signal transduction" and "plant-pathogen interaction" as the top three pathways. DEGs were divided into five clusters based on their expression patterns during Cd stress. The functional annotation of DEGs indicated that downregulated DEGs were mainly involved in the "photosynthesis system," whereas upregulated DEGs were significantly assigned to the "MAPK signaling pathway" and "plant-pathogen interaction pathway." Furthermore, we identified a total of 78 transcription factors (TFs), including members of bHLH, WRKY, AP2/ERF, and MYB family. The expression of six bHLH genes, one WRKY and one ERF genes were significantly induced by Cd stress, suggesting that these TFs might play essential roles in regulating Cd stress responses. Overall, our study provides key genetic resources and new insights into Cd adaption mechanisms in clove basil.
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Affiliation(s)
- Bin Wang
- Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in Northern Region, Shaoguan Aromatic Plant Engineering Research Center, College of Biology and Agriculture, Shaoguan University, Shaoguan, China
| | - Yukun Wang
- Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in Northern Region, Shaoguan Aromatic Plant Engineering Research Center, College of Biology and Agriculture, Shaoguan University, Shaoguan, China
| | - Xiao Yuan
- Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in Northern Region, Shaoguan Aromatic Plant Engineering Research Center, College of Biology and Agriculture, Shaoguan University, Shaoguan, China
| | - Yuanyuan Jiang
- Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in Northern Region, Shaoguan Aromatic Plant Engineering Research Center, College of Biology and Agriculture, Shaoguan University, Shaoguan, China
| | - Yunna Zhu
- Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in Northern Region, Shaoguan Aromatic Plant Engineering Research Center, College of Biology and Agriculture, Shaoguan University, Shaoguan, China
| | - Xinmiao Kang
- Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in Northern Region, Shaoguan Aromatic Plant Engineering Research Center, College of Biology and Agriculture, Shaoguan University, Shaoguan, China
- College of Horticulture, South China Agricultural University, Guangzhou, China
| | - Jinming He
- Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in Northern Region, Shaoguan Aromatic Plant Engineering Research Center, College of Biology and Agriculture, Shaoguan University, Shaoguan, China
| | - Yanhui Xiao
- Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in Northern Region, Shaoguan Aromatic Plant Engineering Research Center, College of Biology and Agriculture, Shaoguan University, Shaoguan, China
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Lin Y, Amkul K, Laosatit K, Liu J, Yimram T, Chen J, Yuan X, Chen X, Somta P. Fine mapping of QTL conferring resistance to calcareous soil in mungbean reveals VrYSL3 as candidate gene for the resistance. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2023; 332:111698. [PMID: 37028455 DOI: 10.1016/j.plantsci.2023.111698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 02/25/2023] [Accepted: 04/03/2023] [Indexed: 05/27/2023]
Abstract
Iron is a crucial nutrient for biological functions in plants. High-pH and calcareous soil is a major stress causing iron deficiency chlorosis (IDC) symptoms and yield losses in crops. Use of calcareous soil-tolerance genetic resources is the most effective preventative method to combat the effects of high-pH and calcareous soils. A previous study using a mungbean recombinant inbred line (RIL) population of the cross Kamphaeg Saen 2 (KPS2; IDC susceptible) × NM-10-12 identified a major quantitative trait locus (QTL), qIDC3.1, which controls resistance and explains more than 40% of IDC variation. In this study, we fine-mapped qIDC3.1 and identified an underlying candidate gene. A genome wide association analysis (GWAS) using 162 mungbean accessions identified single nucleotide polymorphisms (SNPs) on chromosome 6; several SNPs were associated with soil plant analysis development (SPAD) values and IDC visual scores of mungbeans planted on calcareous soil, respectively. These SNPs corresponded to qIDC3.1. Using the same RIL population as in the previous study and an advanced backcross population developed from KPS2 and IDC-resistant inbred line RIL82, qIDC3.1 was further confirmed and fine-mapped to an interval of 217 kilobases harboring five predicted genes, including LOC106764181 (VrYSL3), which encodes a yellow stripe1-like-3 (YSL3) protein, YSL3 is involved in iron deficiency resistance. Gene expression analysis revealed that VrYSL3 was highly expressed in mungbean roots. In calcareous soil, expression of VrYSL3 was significantly up-regulated, and it was more obviously upregulated in the roots of RIL82, than in those of KPS2. Sequence comparison of VrYSL3 between the RIL82 and KPS2 revealed four SNPs that result in amino acid changes in the VrYSL3 protein and a 20-bp insertion/deletion in the promoter where a cis-regulatory element resides. Transgenic Arabidopsis thaliana plants overexpressing VrYSL3 showed enhanced iron and zinc contents in the leaves. Taken together, these results indicate that VrYSL3 is a strong candidate gene responsible for calcareous soil resistance in mungbean.
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Affiliation(s)
- Yun Lin
- Institute of Industrial Crops, Jiangsu Academy of Agricultural Sciences, 50 Zhongling Street, Nanjing 210014, China
| | - Kitiya Amkul
- Department of Agronomy, Faculty of Agriculture at Kampaheng Saen, Kasetsart University, Nakhon Pathom 73140, Thailand
| | - Kularb Laosatit
- Department of Agronomy, Faculty of Agriculture at Kampaheng Saen, Kasetsart University, Nakhon Pathom 73140, Thailand
| | - Jinyang Liu
- Institute of Industrial Crops, Jiangsu Academy of Agricultural Sciences, 50 Zhongling Street, Nanjing 210014, China
| | - Tarika Yimram
- Department of Agronomy, Faculty of Agriculture at Kampaheng Saen, Kasetsart University, Nakhon Pathom 73140, Thailand
| | - Jingbin Chen
- Institute of Industrial Crops, Jiangsu Academy of Agricultural Sciences, 50 Zhongling Street, Nanjing 210014, China
| | - Xingxing Yuan
- Institute of Industrial Crops, Jiangsu Academy of Agricultural Sciences, 50 Zhongling Street, Nanjing 210014, China
| | - Xin Chen
- Institute of Industrial Crops, Jiangsu Academy of Agricultural Sciences, 50 Zhongling Street, Nanjing 210014, China.
| | - Prakit Somta
- Department of Agronomy, Faculty of Agriculture at Kampaheng Saen, Kasetsart University, Nakhon Pathom 73140, Thailand.
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11
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Du X, Fang L, Li J, Chen T, Cheng Z, Zhu B, Gu L, Wang H. The TabHLH094-TaMYC8 complex mediates the cadmium response in wheat. MOLECULAR BREEDING : NEW STRATEGIES IN PLANT IMPROVEMENT 2023; 43:57. [PMID: 37457120 PMCID: PMC10338421 DOI: 10.1007/s11032-023-01404-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 07/08/2023] [Indexed: 07/18/2023]
Abstract
In wheat, TaMYC8 is a negative regulator of cadmium (Cd)-responsive ethylene signaling. In this study, we functionally characterized TabHLH094, a basic helix-loop-helix (bHLH) transcription factor (TF) that inhibits the transcriptional activity of TaMYC8. The TabHLH094 protein was found in the nucleus of tobacco epidermal cells and exhibited transcriptional activation activity. Real-time quantitative PCR (RT-qPCR) indicated that TabHLH094 exhibited root-specific, Cd-responsive expression in wheat seedlings. Overexpression of TabHLH094 enhanced the tolerance of wheat seedlings to Cd exposure. The protein-protein interaction between TabHLH094 and TaMYC8 was verified by glutathione S-transferase (GST) pulldown, coimmunoprecipitation (Co-IP), yeast two-hybrid (Y2H), and bimolecular fluorescence complementation (BiFC) analyses. TabHLH094 was found to reduce the ability of TaMYC8 to bind to the TaERF6 promoter. Furthermore, TabHLH094 could also reduce aminocyclopropanecarboxylate oxidase (ACO) and ACC synthase (ACS) activities, both of which are necessary for ethylene biosynthesis. Taken together, these results indicate that TabHLH094 mediates Cd tolerance by regulating the transcriptional activity of TaMYC8 and decreasing ethylene production. Supplementary Information The online version contains supplementary material available at 10.1007/s11032-023-01404-1.
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Affiliation(s)
- Xuye Du
- School of Life Sciences, Guizhou Normal University, Guiyang, Guizhou Province China
| | - Lihe Fang
- School of Life Sciences, Guizhou Normal University, Guiyang, Guizhou Province China
| | - Jiaxing Li
- School of Life Sciences, Guizhou Normal University, Guiyang, Guizhou Province China
| | - Tianjiao Chen
- School of Life Sciences, Guizhou Normal University, Guiyang, Guizhou Province China
| | - Zai Cheng
- School of Life Sciences, Guizhou Normal University, Guiyang, Guizhou Province China
| | - Bin Zhu
- School of Life Sciences, Guizhou Normal University, Guiyang, Guizhou Province China
| | - Lei Gu
- School of Life Sciences, Guizhou Normal University, Guiyang, Guizhou Province China
| | - Hongcheng Wang
- School of Life Sciences, Guizhou Normal University, Guiyang, Guizhou Province China
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12
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Du X, Zhou L, Zhu B, Gu L, Yin H, Wang H. The TabHLH35-TaWAK20-TaSPL5 pathway positively regulates Cd stress in wheat. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2023; 136:153. [PMID: 37310523 DOI: 10.1007/s00122-023-04400-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 06/01/2023] [Indexed: 06/14/2023]
Abstract
KEY MESSAGE Cadmium-induced TaWAK20 regulates the cadmium stress response by phosphorylating TaSPL5 in wheat. Receptor-like kinases (RLKs) are thought to play important roles in responses to abiotic stresses in plants. In this study, we identified a cadmium (Cd)-induced RLK in wheat, TaWAK20, which is a positive regulator of the Cd stress response. TaWAK20 is specifically expressed in root tissue. Overexpression of TaWAK20 significantly improved the tolerance of Cd stress in wheat and decreased Cd accumulation in wheat plants by regulating reactive oxygen species production and scavenging. Yeast one-hybrid assays, electrophoretic mobility shift assays, and firefly luciferase activity analyses demonstrated that the TaWAK20 promoter was bound by the TabHLH35 transcription factor. TaWAK20 interacted with and phosphorylated squamosa promoter binding protein-like 5 (TaSPL5). Furthermore, phosphorylation of TaSPL5 increased its DNA-binding activity. In addition, Arabidopsis-expressing phosphorylated TaSPL5 exhibited greater Cd tolerance than Arabidopsis-expressing unphosphorylated TaSPL5. Taken together, these data identify a TabHLH35-TaWAK20-TaSPL5 module that regulates Cd stress.
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Affiliation(s)
- Xuye Du
- School of Life Sciences, Guizhou Normal University, Guiyang, Guizhou Province, China
| | - Lizhou Zhou
- School of Life Sciences, Guizhou Normal University, Guiyang, Guizhou Province, China
| | - Bin Zhu
- School of Life Sciences, Guizhou Normal University, Guiyang, Guizhou Province, China
| | - Lei Gu
- School of Life Sciences, Guizhou Normal University, Guiyang, Guizhou Province, China.
| | - Huayan Yin
- College of Agronomy, Qingdao Agricultural University, Qingdao, Shandong Province, China.
| | - Hongcheng Wang
- School of Life Sciences, Guizhou Normal University, Guiyang, Guizhou Province, China.
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13
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Huertas R, Karpinska B, Ngala S, Mkandawire B, Maling'a J, Wajenkeche E, Kimani PM, Boesch C, Stewart D, Hancock RD, Foyer CH. Biofortification of common bean ( Phaseolus vulgaris L.) with iron and zinc: Achievements and challenges. Food Energy Secur 2023; 12:e406. [PMID: 38440694 PMCID: PMC10909572 DOI: 10.1002/fes3.406] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 06/01/2022] [Accepted: 06/08/2022] [Indexed: 03/06/2024] Open
Abstract
Micronutrient deficiencies (hidden hunger), particularly in iron (Fe) and zinc (Zn), remain one of the most serious public health challenges, affecting more than three billion people globally. A number of strategies are used to ameliorate the problem of micronutrient deficiencies and to improve the nutritional profile of food products. These include (i) dietary diversification, (ii) industrial food fortification and supplements, (iii) agronomic approaches including soil mineral fertilisation, bioinoculants and crop rotations, and (iv) biofortification through the implementation of biotechnology including gene editing and plant breeding. These efforts must consider the dietary patterns and culinary preferences of the consumer and stakeholder acceptance of new biofortified varieties. Deficiencies in Zn and Fe are often linked to the poor nutritional status of agricultural soils, resulting in low amounts and/or poor availability of these nutrients in staple food crops such as common bean. This review describes the genes and processes associated with Fe and Zn accumulation in common bean, a significant food source in Africa that plays an important role in nutritional security. We discuss the conventional plant breeding, transgenic and gene editing approaches that are being deployed to improve Fe and Zn accumulation in beans. We also consider the requirements of successful bean biofortification programmes, highlighting gaps in current knowledge, possible solutions and future perspectives.
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Affiliation(s)
- Raul Huertas
- Environmental and Biochemical SciencesThe James Hutton InstituteDundeeUK
| | - Barbara Karpinska
- School of Biosciences, College of Life and Environmental SciencesUniversity of BirminghamEdgbastonUK
| | - Sophia Ngala
- Department of Plant Science and Crop Protection, College of Agriculture and Veterinary SciencesUniversity of NairobiNairobiKenya
| | - Bertha Mkandawire
- The Food, Agriculture and Natural Resources Policy Analysis Network (FANRPAN)PretoriaSouth Africa
| | - Joyce Maling'a
- Kenya Agriculture and Livestock Research Organization (KALRO)Food Crops Research InstituteKitaleKenya
| | - Elizabeth Wajenkeche
- Kenya Agriculture and Livestock Research Organization (KALRO)Food Crops Research InstituteKitaleKenya
| | - Paul M. Kimani
- Department of Plant Science and Crop Protection, College of Agriculture and Veterinary SciencesUniversity of NairobiNairobiKenya
| | | | - Derek Stewart
- Environmental and Biochemical SciencesThe James Hutton InstituteDundeeUK
- School of Engineering and Physical SciencesHeriot‐Watt UniversityEdinburghUK
| | | | - Christine H. Foyer
- School of Biosciences, College of Life and Environmental SciencesUniversity of BirminghamEdgbastonUK
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14
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Luo F, Zhu D, Sun H, Zou R, Duan W, Liu J, Yan Y. Wheat Selenium-binding protein TaSBP-A enhances cadmium tolerance by decreasing free Cd 2+ and alleviating the oxidative damage and photosynthesis impairment. FRONTIERS IN PLANT SCIENCE 2023; 14:1103241. [PMID: 36824198 PMCID: PMC9941557 DOI: 10.3389/fpls.2023.1103241] [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: 11/20/2022] [Accepted: 01/20/2023] [Indexed: 06/18/2023]
Abstract
Cadmium, one of the toxic heavy metals, robustly impact crop growth and development and food safety. In this study, the mechanisms of wheat (Triticum aestivum L.) selenium-binding protein-A (TaSBP-A) involved in response to Cd stress was fully investigated by overexpression in Arabidopsis and wheat. As a cytoplasm protein, TaSBP-A showed a high expression in plant roots and its expression levels were highly induced by Cd treatment. The overexpression of TaSBP-A enhanced Cd-toleration in yeast, Arabidopsis and wheat. Meanwhile, transgenic Arabidopsis under Cd stress showed a lower H2O2 and malondialdehyde content and a higher photochemical efficiency in the leaf and a reduction of free Cd2+ in the root. Transgenic wheat seedlings of TaSBP exhibited an increment of Cd content in the root, and a reduction Cd content in the leaf under Cd2+ stress. Cd2+ binding assay combined with a thermodynamics survey and secondary structure analysis indicated that the unique CXXC motif in TaSBP was a major Cd-binding site participating in the Cd detoxification. These results suggested that TaSBP-A can enhance the sequestration of free Cd2+ in root and inhibit the Cd transfer from root to leaf, ultimately conferring plant Cd-tolerance via alleviating the oxidative stress and photosynthesis impairment triggered by Cd stress.
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Affiliation(s)
| | | | | | | | | | | | - Yueming Yan
- Beijing Key Laboratory of Plant Gene Resources and Biotechnology for Carbon Reduction and Environmental Improvement, College of Life Science, Capital Normal University, Beijing, China
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15
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Ranjbar S, Malcata FX. Is Genetic Engineering a Route to Enhance Microalgae-Mediated Bioremediation of Heavy Metal-Containing Effluents? Molecules 2022; 27:1473. [PMID: 35268582 PMCID: PMC8911655 DOI: 10.3390/molecules27051473] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 02/17/2022] [Accepted: 02/18/2022] [Indexed: 12/19/2022] Open
Abstract
Contamination of the biosphere by heavy metals has been rising, due to accelerated anthropogenic activities, and is nowadays, a matter of serious global concern. Removal of such inorganic pollutants from aquatic environments via biological processes has earned great popularity, for its cost-effectiveness and high efficiency, compared to conventional physicochemical methods. Among candidate organisms, microalgae offer several competitive advantages; phycoremediation has even been claimed as the next generation of wastewater treatment technologies. Furthermore, integration of microalgae-mediated wastewater treatment and bioenergy production adds favorably to the economic feasibility of the former process-with energy security coming along with environmental sustainability. However, poor biomass productivity under abiotic stress conditions has hindered the large-scale deployment of microalgae. Recent advances encompassing molecular tools for genome editing, together with the advent of multiomics technologies and computational approaches, have permitted the design of tailor-made microalgal cell factories, which encompass multiple beneficial traits, while circumventing those associated with the bioaccumulation of unfavorable chemicals. Previous studies unfolded several routes through which genetic engineering-mediated improvements appear feasible (encompassing sequestration/uptake capacity and specificity for heavy metals); they can be categorized as metal transportation, chelation, or biotransformation, with regulation of metal- and oxidative stress response, as well as cell surface engineering playing a crucial role therein. This review covers the state-of-the-art metal stress mitigation mechanisms prevalent in microalgae, and discusses putative and tested metabolic engineering approaches, aimed at further improvement of those biological processes. Finally, current research gaps and future prospects arising from use of transgenic microalgae for heavy metal phycoremediation are reviewed.
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Affiliation(s)
- Saeed Ranjbar
- LEPABE—Laboratory for Process Engineering, Environment, Biotechnology and Energy, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal;
- Department of Chemical Engineering, University of Porto, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
| | - Francisco Xavier Malcata
- LEPABE—Laboratory for Process Engineering, Environment, Biotechnology and Energy, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal;
- Department of Chemical Engineering, University of Porto, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
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16
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Liu Z, Zhang Y, Altaf MA, Hao Y, Zhou G, Li X, Zhu J, Ma W, Wang Z, Bao W. Genome-wide identification of myeloblastosis gene family and its response to cadmium stress in Ipomoea aquatica. FRONTIERS IN PLANT SCIENCE 2022; 13:979988. [PMID: 36082298 PMCID: PMC9445626 DOI: 10.3389/fpls.2022.979988] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 07/29/2022] [Indexed: 05/14/2023]
Abstract
The myeloblastosis (MYB) proteins perform key functions in mediating cadmium (Cd) tolerance of plants. Ipomoea aquatica has strong adaptability to Cd Stress, while the roles of the I. aquatica MYB gene family with respect to Cd stress are still unclear. Here, we identified a total of 183 MYB genes in the I. aquatica genome (laMYB), which were classified into 66 1R-type IaMYB, 112 2R-type IaMYB, four 3R-type IaMYB, and one 4R-type IaMYB based on the number of the MYB repeat in each gene. The analysis of phylogenetic tree indicated that most of IaMYB genes are associated with the diverse biological processes including defense, development and metabolism. Analysis of sequence features showed that the IaMYB genes within identical subfamily have the similar patterns of the motif distributions and gene structures. Analysis of gene duplication events revealed that the dispersed duplication (DSD) and whole-genome duplication (WGD) modes play vital roles in the expansion of the IaMYB gene family. Expression profiling manifests that approximately 20% of IaMYB genes had significant role in the roots of I. aquatica under Cd stress. Promoter profiling implied that the differentially expressed genes might be induced by environmental factors or inherent hormones and thereby execute their function in Cd response. Remarkably, the 2R-type IaMYB157 with abundant light-responsive element G-box and ABA-responsive element ABRE in its promoter region exhibited very strong response to Cd stress. Taken together, our findings provide an important candidate IaMYB gene for further deciphering the molecular regulatory mechanism in plant with respect to Cd stress.
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Affiliation(s)
- Zheng Liu
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, College of Horticulture, Hainan University, Haikou, China
| | - Yuxin Zhang
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, College of Horticulture, Hainan University, Haikou, China
| | - Muhammad Ahsan Altaf
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, College of Horticulture, Hainan University, Haikou, China
| | - Yuanyuan Hao
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, College of Horticulture, Hainan University, Haikou, China
| | - Guangzhen Zhou
- College of Tropical Crops, Hainan University, Haikou, China
| | - Xinyu Li
- College of Tropical Crops, Hainan University, Haikou, China
| | - Jie Zhu
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, College of Horticulture, Hainan University, Haikou, China
| | - Wuqiang Ma
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, College of Horticulture, Hainan University, Haikou, China
| | - Zhiwei Wang
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, College of Horticulture, Hainan University, Haikou, China
- Hainan Yazhou Bay Seed Laboratory, Sanya Nanfan Research Institute of Hainan University, Sanya, China
| | - Wenlong Bao
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, College of Horticulture, Hainan University, Haikou, China
- *Correspondence: Wenlong Bao,
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17
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Tan C, Qiao H, Ma M, Wang X, Tian Y, Bai S, Hasi A. Genome-Wide Identification and Characterization of Melon bHLH Transcription Factors in Regulation of Fruit Development. PLANTS 2021; 10:plants10122721. [PMID: 34961193 PMCID: PMC8709311 DOI: 10.3390/plants10122721] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 11/25/2021] [Accepted: 12/06/2021] [Indexed: 11/16/2022]
Abstract
The basic helix-loop-helix (bHLH) transcription factor family is one of the largest transcription factor families in plants and plays crucial roles in plant development. Melon is an important horticultural plant as well as an attractive model plant for studying fruit ripening. However, the bHLH gene family of melon has not yet been identified, and its functions in fruit growth and ripening are seldom researched. In this study, 118 bHLH genes were identified in the melon genome. These CmbHLH genes were unevenly distributed on chromosomes 1 to 12, and five CmbHLHs were tandem repeat on chromosomes 4 and 8. There were 13 intron distribution patterns among the CmbHLH genes. Phylogenetic analysis illustrated that these CmbHLHs could be classified into 16 subfamilies. Expression patterns of the CmbHLH genes were studied using transcriptome data. Tissue specific expression of the CmbHLH32 gene was analysed by quantitative RT-PCR. The results showed that the CmbHLH32 gene was highly expressed in female flower and early developmental stage fruit. Transgenic melon lines overexpressing CmbHLH32 were generated, and overexpression of CmbHLH32 resulted in early fruit ripening compared to wild type. The CmbHLH transcription factor family was identified and analysed for the first time in melon, and overexpression of CmbHLH32 affected the ripening time of melon fruit. These findings laid a foundation for further study on the role of bHLH family members in the growth and development of melon.
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Affiliation(s)
- Chao Tan
- Key Laboratory of Herbage & Endemic Crop Biology, Ministry of Education, School of Life Sciences, Inner Mongolia University, Hohhot 010070, China; (C.T.); (H.Q.); (M.M.); (Y.T.)
- Department of Plant Biology and Ecology, College of Life Sciences, Nankai University, Tianjin 300071, China;
| | - Huilei Qiao
- Key Laboratory of Herbage & Endemic Crop Biology, Ministry of Education, School of Life Sciences, Inner Mongolia University, Hohhot 010070, China; (C.T.); (H.Q.); (M.M.); (Y.T.)
| | - Ming Ma
- Key Laboratory of Herbage & Endemic Crop Biology, Ministry of Education, School of Life Sciences, Inner Mongolia University, Hohhot 010070, China; (C.T.); (H.Q.); (M.M.); (Y.T.)
| | - Xue Wang
- Department of Plant Biology and Ecology, College of Life Sciences, Nankai University, Tianjin 300071, China;
| | - Yunyun Tian
- Key Laboratory of Herbage & Endemic Crop Biology, Ministry of Education, School of Life Sciences, Inner Mongolia University, Hohhot 010070, China; (C.T.); (H.Q.); (M.M.); (Y.T.)
| | - Selinge Bai
- Medical College, Inner Mongolia MINZU University, Tongliao 028000, China
- Correspondence: (S.B.); (A.H.)
| | - Agula Hasi
- Key Laboratory of Herbage & Endemic Crop Biology, Ministry of Education, School of Life Sciences, Inner Mongolia University, Hohhot 010070, China; (C.T.); (H.Q.); (M.M.); (Y.T.)
- Correspondence: (S.B.); (A.H.)
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18
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Li J, Li X, Han P, Liu H, Gong J, Zhou W, Shi B, Liu A, Xu L. Genome-wide investigation of bHLH genes and expression analysis under different biotic and abiotic stresses in Helianthus annuus L. Int J Biol Macromol 2021; 189:72-83. [PMID: 34411617 DOI: 10.1016/j.ijbiomac.2021.08.072] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 08/05/2021] [Accepted: 08/09/2021] [Indexed: 10/20/2022]
Abstract
The basic helix-loop-helix (bHLH) transcription factors play important roles in many processes such as plant growth, metabolism and response to biotic/abiotic stresses. Sunflower (Helianthus annuus) is a major oil crop, cultivated throughout the world. However, no systematic characterization of bHLH gene members in sunflower (HabHLH) and their functions involved in drought, cadmium tolerance and Orobanche cumana resistance has been reported yet. In this study, 183 HabHLH genes were identified and named according to their chromosomal locations. We classified these proteins into 21 subfamilies by phylogenetic tree analysis. Subsequently, DNA-binding patterns, sequence analysis, duplication analysis and gene structures were analyzed. All of the HabHLH genes were randomly distributed on 17 chromosomes, and 10 pairs of tandem duplicated genes and one pair of segmental duplicated genes were detected in the HabHLH family. Among the duplicated gene pairs, eight pairs of HabHLH genes suffer from positive selection. Moreover, qRT-PCR results revealed significant up-regulated expression of HabHLH024 gene in response to both abiotic (cadmium, drought) and biotic (Orobanche cumana) stresses, suggesting its important functions in response to different stresses. Therefore, HabHLH024 would be the potential candidate gene for the sunflower tolerance breeding.
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Affiliation(s)
- Juanjuan Li
- Zhejiang Province Key Laboratory of Plant Secondary Metabolism and Regulation, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, China; Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou 310058, China
| | - Xin Li
- Zhejiang Province Key Laboratory of Plant Secondary Metabolism and Regulation, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Peng Han
- Department of Life Sciences, Changzhi University, Changzhi 046011, China
| | - Hui Liu
- UWA School of Agriculture and Environment and The UWA Institute of Agriculture, Faculty of Science, The University of Western Australia, WA 6009, Australia
| | - Jianchuan Gong
- Department of Life Sciences, Changzhi University, Changzhi 046011, China
| | - Weijun Zhou
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou 310058, China
| | - Bixian Shi
- Institute of Economic Crops, Xinjiang Academy of Agricultural Sciences, Urumqi 830091, China
| | - Ake Liu
- Department of Life Sciences, Changzhi University, Changzhi 046011, China.
| | - Ling Xu
- Zhejiang Province Key Laboratory of Plant Secondary Metabolism and Regulation, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, China.
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19
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Khan MIR, Chopra P, Chhillar H, Ahanger MA, Hussain SJ, Maheshwari C. Regulatory hubs and strategies for improving heavy metal tolerance in plants: Chemical messengers, omics and genetic engineering. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2021; 164:260-278. [PMID: 34020167 DOI: 10.1016/j.plaphy.2021.05.006] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Accepted: 05/03/2021] [Indexed: 05/28/2023]
Abstract
Heavy metal (HM) accumulation in the agricultural soil and its toxicity is a major threat for plant growth and development. HMs disrupt functional integrity of the plants, induces altered phenological and physiological responses and slashes down qualitative crop yield. Chemical messengers such as phytohormones, plant growth regulators and gasotransmitters play a crucial role in regulating plant growth and development under metal toxicity in plants. Understanding the intricate network of these chemical messengers as well as interactions of genes/metabolites/proteins associated with HM toxicity in plants is necessary for deciphering insights into the regulatory circuit involved in HM tolerance. The present review describes (a) the role of chemical messengers in HM-induced toxicity mitigation, (b) possible crosstalk between phytohormones and other signaling cascades involved in plants HM tolerance and (c) the recent advancements in biotechnological interventions including genetic engineering, genome editing and omics approaches to provide a step ahead in making of improved plant against HM toxicities.
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Affiliation(s)
| | | | | | | | - Sofi Javed Hussain
- Department of Botany, Government Degree College, Kokernag, Jammu & Kashmir, India
| | - Chirag Maheshwari
- Agricultural Energy and Power Division, ICAR-Central Institute of Agricultural Engineering, Bhopal, India
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20
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Wang X, Xu Y, Li Y, Li Y, Li Z, Zhang W, Zou X, Shi J, Huang X, Liu C, Li W. Rapid detection of cadmium ions in meat by a multi-walled carbon nanotubes enhanced metal-organic framework modified electrochemical sensor. Food Chem 2021; 357:129762. [PMID: 33872870 DOI: 10.1016/j.foodchem.2021.129762] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 03/27/2021] [Accepted: 04/05/2021] [Indexed: 01/10/2023]
Abstract
This work presents an electrochemical device based on a composite modification of amine functionalized Zr(IV) metal-organic framework (UiO-66-NH2) and multi-walled carbon nanotubes (MWCNTs) for voltammetry determination of cadmium ions (Cd2+). The UiO-66-NH2@MWCNTs composites were prepared by one-pot hydrothermal reaction. The prepared sensor performs excellent performance, which was attributed to the synergism between UiO-66-NH2 with a special octahedral structure and enlarged surface area and MWCNTs with outstanding conductivity. Under optimal experiment condition, the fabricated sensor showed good linear relationship from 0.5 to 170 μg/L, with a detection limit of 0.2 μg/L. Finally, the sensor was successfully applied to detect Cd2+ in meat samples (N = 21) with relative standard deviation (RSD) lower than 4.5% and recovery of 95.1-107.5%, and the results were compared with certified method, there was no statistical significance difference between the developed sensor and certified method at a 95% confidence level.
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Affiliation(s)
- Xin Wang
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China; China-UK Joint Laboratory for Nondestructive Detection of Agro-products, Jiangsu University, Zhenjiang, Jiangsu 212013, China; Center of Analysis and Test, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Yiwei Xu
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China; China-UK Joint Laboratory for Nondestructive Detection of Agro-products, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Yahui Li
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China; China-UK Joint Laboratory for Nondestructive Detection of Agro-products, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Yanxiao Li
- Center of Analysis and Test, Jiangsu University, Zhenjiang, Jiangsu 212013, China.
| | - Zhihua Li
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China; China-UK Joint Laboratory for Nondestructive Detection of Agro-products, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Wen Zhang
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China; China-UK Joint Laboratory for Nondestructive Detection of Agro-products, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Xiaobo Zou
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China; China-UK Joint Laboratory for Nondestructive Detection of Agro-products, Jiangsu University, Zhenjiang, Jiangsu 212013, China.
| | - Jiyong Shi
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China; China-UK Joint Laboratory for Nondestructive Detection of Agro-products, Jiangsu University, Zhenjiang, Jiangsu 212013, China.
| | - Xiaowei Huang
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China; China-UK Joint Laboratory for Nondestructive Detection of Agro-products, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Chao Liu
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China; China-UK Joint Laboratory for Nondestructive Detection of Agro-products, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Wenting Li
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China; China-UK Joint Laboratory for Nondestructive Detection of Agro-products, Jiangsu University, Zhenjiang, Jiangsu 212013, China
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Gao F, Dubos C. Transcriptional integration of plant responses to iron availability. JOURNAL OF EXPERIMENTAL BOTANY 2021; 72:2056-2070. [PMID: 33246334 DOI: 10.1093/jxb/eraa556] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Accepted: 11/23/2020] [Indexed: 05/16/2023]
Abstract
Iron is one of the most important micronutrients for plant growth and development. It functions as the enzyme cofactor or component of electron transport chains in various vital metabolic processes, including photosynthesis, respiration, and amino acid biosynthesis. To maintain iron homeostasis, and therefore prevent any deficiency or excess that could be detrimental, plants have evolved complex transcriptional regulatory networks to tightly control iron uptake, translocation, assimilation, and storage. These regulatory networks are composed of various transcription factors; among them, members of the basic helix-loop-helix (bHLH) family play an essential role. Here, we first review recent advances in understanding the roles of bHLH transcription factors involved in the regulatory cascade controlling iron homeostasis in the model plant Arabidopsis, and extend this understanding to rice and other plant species. The importance of other classes of transcription factors will also be discussed. Second, we elaborate on the post-translational mechanisms involved in the regulation of these regulatory networks. Finally, we provide some perspectives on future research that should be conducted in order to precisely understand how plants control the homeostasis of this micronutrient.
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Affiliation(s)
- Fei Gao
- BPMP, Univ Montpellier, CNRS, INRAE, Institut Agro, Montpellier, France
| | - Christian Dubos
- BPMP, Univ Montpellier, CNRS, INRAE, Institut Agro, Montpellier, France
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22
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Medina-Puche L, Martínez-Rivas FJ, Molina-Hidalgo FJ, Mercado JA, Moyano E, Rodríguez-Franco A, Caballero JL, Muñoz-Blanco J, Blanco-Portales R. An atypical HLH transcriptional regulator plays a novel and important role in strawberry ripened receptacle. BMC PLANT BIOLOGY 2019; 19:586. [PMID: 31881835 PMCID: PMC6933692 DOI: 10.1186/s12870-019-2092-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Accepted: 10/21/2019] [Indexed: 05/13/2023]
Abstract
BACKGROUND In soft fruits, the differential expression of many genes during development and ripening is responsible for changing their organoleptic properties. In strawberry fruit, although some genes involved in the metabolic regulation of the ripening process have been functionally characterized, some of the most studied genes correspond to transcription factors. High throughput transcriptomics analyses performed in strawberry red receptacle (Fragaria x ananassa) allowed us to identify a ripening-related gene that codes an atypical HLH (FaPRE1) with high sequence homology with the PACLOBUTRAZOL RESISTANCE (PRE) genes. PRE genes are atypical bHLH proteins characterized by the lack of a DNA-binding domain and whose function has been linked to the regulation of cell elongation processes. RESULTS FaPRE1 sequence analysis indicates that this gene belongs to the subfamily of atypical bHLHs that also includes ILI-1 from rice, SlPRE2 from tomato and AtPRE1 from Arabidopsis, which are involved in transcriptional regulatory processes as repressors, through the blockage by heterodimerization of bHLH transcription factors. FaPRE1 presented a transcriptional model characteristic of a ripening-related gene with receptacle-specific expression, being repressed by auxins and activated by abscisic acid (ABA). However, its expression was not affected by gibberellic acid (GA3). On the other hand, the transitory silencing of FaPRE1 transcription by agroinfiltration in receptacle produced the down-regulation of a group of genes related to the ripening process while inducing the transcription of genes involved in receptacle growth and development. CONCLUSIONS In summary, this work presents for the first time experimental data that support an important novel function for the atypical HLH FaPRE1 during the strawberry fruit ripening. We hypothesize that FaPRE1 modulates antagonistically the transcription of genes related to both receptacle growth and ripening. Thus, FaPRE1 would repress the expression of receptacle growth promoting genes in the ripened receptacle, while it would activate the expression of those genes related to the receptacle ripening process.
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Affiliation(s)
- Laura Medina-Puche
- Departamento de Bioquímica y Biología Molecular, Edificio Severo Ochoa C-6, Campus Universitario de Rabanales y Campus de Excelencia Internacional Agroalimentario CEIA3, Universidad de Córdoba, Córdoba, Spain
- Present Address: Shanghai Center for Plant Stress Biology (PSC), Shanghai Institutes of Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Félix J. Martínez-Rivas
- Departamento de Bioquímica y Biología Molecular, Edificio Severo Ochoa C-6, Campus Universitario de Rabanales y Campus de Excelencia Internacional Agroalimentario CEIA3, Universidad de Córdoba, Córdoba, Spain
| | - Francisco J. Molina-Hidalgo
- Departamento de Bioquímica y Biología Molecular, Edificio Severo Ochoa C-6, Campus Universitario de Rabanales y Campus de Excelencia Internacional Agroalimentario CEIA3, Universidad de Córdoba, Córdoba, Spain
- Present Address: VIB-UGent Center for Plant Systems Biology, Ghent, Belgium
| | - José A. Mercado
- Instituto de Hortofruticultura Subtropical y Mediterránea La Mayora (IHSM-UMA-CSIC), Departamento de Biología Vegetal, Universidad de Málaga, Málaga, Spain
| | - Enriqueta Moyano
- Departamento de Bioquímica y Biología Molecular, Edificio Severo Ochoa C-6, Campus Universitario de Rabanales y Campus de Excelencia Internacional Agroalimentario CEIA3, Universidad de Córdoba, Córdoba, Spain
| | - Antonio Rodríguez-Franco
- Departamento de Bioquímica y Biología Molecular, Edificio Severo Ochoa C-6, Campus Universitario de Rabanales y Campus de Excelencia Internacional Agroalimentario CEIA3, Universidad de Córdoba, Córdoba, Spain
| | - José L. Caballero
- Departamento de Bioquímica y Biología Molecular, Edificio Severo Ochoa C-6, Campus Universitario de Rabanales y Campus de Excelencia Internacional Agroalimentario CEIA3, Universidad de Córdoba, Córdoba, Spain
| | - Juan Muñoz-Blanco
- Departamento de Bioquímica y Biología Molecular, Edificio Severo Ochoa C-6, Campus Universitario de Rabanales y Campus de Excelencia Internacional Agroalimentario CEIA3, Universidad de Córdoba, Córdoba, Spain
| | - Rosario Blanco-Portales
- Departamento de Bioquímica y Biología Molecular, Edificio Severo Ochoa C-6, Campus Universitario de Rabanales y Campus de Excelencia Internacional Agroalimentario CEIA3, Universidad de Córdoba, Córdoba, Spain
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Fu Y, Mason AS, Zhang Y, Lin B, Xiao M, Fu D, Yu H. MicroRNA-mRNA expression profiles and their potential role in cadmium stress response in Brassica napus. BMC PLANT BIOLOGY 2019; 19:570. [PMID: 31856702 PMCID: PMC6923997 DOI: 10.1186/s12870-019-2189-9] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Accepted: 12/08/2019] [Indexed: 05/18/2023]
Abstract
BACKGROUND Oilseed rape is an excellent candidate for phytoremediation of cadmium (Cd) contaminated soils given its advantages of high biomass, fast growth, moderate metal accumulation, ease of harvesting, and metal tolerance, but the cadmium response pathways in this species (Brassica napus) have yet to be fully elucidated. A combined analysis of miRNA and mRNA expression to infer Cd-induced regulation has not been reported in B. napus. RESULTS We characterized concurrent changes in miRNA and mRNA profiles in the roots and shoots of B. napus seedlings after 10 days of 10 mg/L Cd2+ treatment. Cd treatment significantly affected the expression of 22 miRNAs belonging to 11 families in the root and 29 miRNAs belonging to 14 miRNA families in the shoot. Five miRNA families (MIR395, MIR397, MIR398, MIR408 and MIR858) and three novel miRNAs were differentially expressed in both tissues. A total of 399 differentially expressed genes (DEGs) in the root and 389 DEGs in the shoot were identified, with very little overlap between tissue types. Eight anti-regulation miRNA-mRNA interaction pairs in the root and eight in the shoot were identified in response to Cd and were involved in key plant stress response pathways: for example, four genes targeted by miR398 were involved in a pathway for detoxification of superoxide radicals. Cd stress significantly impacted the photosynthetic pathway. Transcription factor activation, antioxidant response pathways and secondary metabolic processes such as glutathione (GSH) and phenylpropanoid metabolism were identified as major components for Cd-induced response in both roots and shoots. CONCLUSIONS Combined miRNA and mRNA profiling revealed miRNAs, genes and pathways involved in Cd response which are potentially critical for adaptation to Cd stress in B. napus. Close crosstalk between several Cd-induced miRNAs and mRNAs was identified, shedding light on possible mechanisms for response to Cd stress in underground and aboveground tissues in B. napus. The pathways, genes, and miRNAs identified here will be valuable targets for future improvement of cadmium tolerance in B. napus.
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Affiliation(s)
- Ying Fu
- Institute of Crop and Nuclear Technology Utilization, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Annaliese S. Mason
- Department of Plant Breeding, IFZ for Biosystems, Land Use and Nutrition, Justus Liebig University, Heinrich-Buff-Ring 26-32, 35392 Giessen, Germany
| | - Yaofeng Zhang
- Institute of Crop and Nuclear Technology Utilization, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Baogang Lin
- Institute of Crop and Nuclear Technology Utilization, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Meili Xiao
- Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Agronomy College, Jiangxi Agricultural University, Nanchang, 330045 China
| | - Donghui Fu
- Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Agronomy College, Jiangxi Agricultural University, Nanchang, 330045 China
| | - Huasheng Yu
- Institute of Crop and Nuclear Technology Utilization, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
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Belykh ES, Maystrenko TA, Velegzhaninov IO. Recent Trends in Enhancing the Resistance of Cultivated Plants to Heavy Metal Stress by Transgenesis and Transcriptional Programming. Mol Biotechnol 2019; 61:725-741. [DOI: 10.1007/s12033-019-00202-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Yadav BS, Mani A. Analysis of bHLH coding genes of Cicer arietinum during heavy metal stress using biological network. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2019; 25:113-121. [PMID: 30804634 PMCID: PMC6352518 DOI: 10.1007/s12298-018-0625-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Revised: 10/31/2018] [Accepted: 11/08/2018] [Indexed: 05/27/2023]
Abstract
bHLH family of transcription factors play important role in regulating many cellular and physiological functions in plants. These proteins are also known to be involved in response to several abiotic stress types. Cicer arietinum is an important source of protein in food across the globe. Considerable differential expression in the bHLH family of proteins during heavy metal exposure in Cicer arietinum was observed by microarray data analysis. The study aimed to construct a Pearson coefficient correlation based network of bHLH coding genes in the plant. Microarray data of Cicer arietinum recorded under cadmium and chromium stress (GSE86807) from GEO at NCBI was used for analysis. The network constructed from expression data set of the 85 bHLH coding genes revealed 10 hub genes that are connected with topological genes. These hub genes are stress responsive genes that may also be regarded as the marker genes for heavy metal response. Our analysis reported a new set of reference genes (hub genes) that have potentially significant role in development of stress tolerant crops.
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Affiliation(s)
- Birendra Singh Yadav
- Department of Biotechnology, Motilal Nehru National Institute of Technology, Allahabad, 211004 India
| | - Ashutosh Mani
- Department of Biotechnology, Motilal Nehru National Institute of Technology, Allahabad, 211004 India
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Qin L, Han P, Chen L, Walk TC, Li Y, Hu X, Xie L, Liao H, Liao X. Genome-Wide Identification and Expression Analysis of NRAMP Family Genes in Soybean ( Glycine Max L.). FRONTIERS IN PLANT SCIENCE 2017; 8:1436. [PMID: 28868061 PMCID: PMC5563376 DOI: 10.3389/fpls.2017.01436] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2017] [Accepted: 08/03/2017] [Indexed: 05/18/2023]
Abstract
The NRAMP (natural resistance-associated macrophage protein) family of genes has been widely characterized in organisms ranging from bacteria to yeast, plants, mice, and humans. This gene family plays vital roles in divalent metal ion transport across cellular membranes. As yet, comprehensive analysis of NRAMP family genes has not been reported for soybean. In this study, bioinformatics analysis was conducted to identify 13 soybean NRAMP genes, along with their gene structures, phylogenetic relationships, and transmembrane domains. Expression analysis suggests that GmNRAMP genes function in numerous tissues and development stages. Moreover, soybean NRAMP genes were differentially regulated by deficiencies of N, P, K, Fe, and S, along with toxicities of Fe, Cu, Cd, and Mn. These results indicate that GmNRAMP genes function in many nutrient stress pathways, and might be involved in crosstalk among nutrient stress pathways. Subcellular localization analysis in Arabidopsis protoplasts confirmed the tonoplast or plasma membrane localization of selected soybean NRMAP proteins. Protein-protein interaction analysis found that the networks of three GmNRAMP proteins which putatively interact with nodulin-like proteins, almost distinct from the network that is common to the other 10 soybean NRAMP proteins. Subsequent qRT-PCR results confirmed that these three GmNRMAP genes exhibited enhanced expression in soybean nodules, suggesting potential functions in the transport of Fe or other metal ions in soybean nodules. Overall, the systematic analysis of the GmNRAMP gene family reported herein provides valuable information for further studies on the biological roles of GmNRAMPs in divalent metal ion transport in various soybean tissues under numerous nutrient stresses and soybean-rhizobia symbiosis.
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Affiliation(s)
- Lu Qin
- Key Laboratory of Biology and Genetics Improvement of Oil Crops of the Ministry of Agriculture, Oil Crops Research Institute of Chinese Academy of Agricultural SciencesWuhan, China
| | - Peipei Han
- Key Laboratory of Biology and Genetics Improvement of Oil Crops of the Ministry of Agriculture, Oil Crops Research Institute of Chinese Academy of Agricultural SciencesWuhan, China
| | - Liyu Chen
- Root Biology Center, Fujian Agriculture and Forestry UniversityFuzhou, China
| | | | - Yinshui Li
- Key Laboratory of Biology and Genetics Improvement of Oil Crops of the Ministry of Agriculture, Oil Crops Research Institute of Chinese Academy of Agricultural SciencesWuhan, China
| | - Xiaojia Hu
- Key Laboratory of Biology and Genetics Improvement of Oil Crops of the Ministry of Agriculture, Oil Crops Research Institute of Chinese Academy of Agricultural SciencesWuhan, China
| | - Lihua Xie
- Key Laboratory of Biology and Genetics Improvement of Oil Crops of the Ministry of Agriculture, Oil Crops Research Institute of Chinese Academy of Agricultural SciencesWuhan, China
| | - Hong Liao
- Root Biology Center, Fujian Agriculture and Forestry UniversityFuzhou, China
| | - Xing Liao
- Key Laboratory of Biology and Genetics Improvement of Oil Crops of the Ministry of Agriculture, Oil Crops Research Institute of Chinese Academy of Agricultural SciencesWuhan, China
- *Correspondence: Xing Liao
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