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Ran M, Lu Y, Ren Y, He L, Li J. Efficient reduction of Cr(VI) by guava (Psidium guajava) leaf extract and its mitigation effect on Cr toxicity in rice seedlings. J Environ Sci (China) 2024; 141:1-15. [PMID: 38408812 DOI: 10.1016/j.jes.2023.06.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 06/28/2023] [Accepted: 06/28/2023] [Indexed: 02/28/2024]
Abstract
Hexavalent chromium (Cr(VI)) is a toxic element that has negative impacts on crop growth and yield. Using plant extracts to convert toxic Cr(VI) into less toxic Cr(III) may be a more favorable option compared to chemical reducing agents. In this study, the potential effects and mechanisms of using an aqueous extract of Psidium guajava L. leaves (AEP) in reducing Cr(VI) toxicity in rice were comprehensively studied. Firstly, the reducing power of AEP for Cr(VI) was confirmed by the cyclic voltammetry combined with X-ray photoelectron spectroscopy (XPS) assays. The highest Cr(VI) reduction efficiency reached approximately 78% under 1.5 mg gallic acid equivalent (GAE)/mL of AEP and 10 mg/L Cr(VI) condition. Additionally, Cr(VI) stress had a significant inhibitory effect on rice growth. However, the exogenous application of AEP alleviated the growth inhibition and oxidative damage of rice under Cr(VI) stress by increasing the activity and level of enzymatic and non-enzymatic antioxidants. Furthermore, the addition of AEP restored the ultrastructure of root cells, promoted Cr adsorption onto root cell walls, and limited the translocation Cr to shoots. In shoots, AEP application also triggered the expression of specific genes involved in Cr defense and detoxification response, including photosynthesis pathways, antioxidant systems, flavonoids biosynthesis, and plant hormone signal transduction. These results suggest that AEP is an efficient reduction agent for Cr(VI), and exogenous application of AEP may be a promising strategy to mitigate the harm of Cr(VI) on rice, ultimately contributing to improved crop yield in Cr-contaminated environments.
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Affiliation(s)
- Maodi Ran
- School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
| | - Yongqing Lu
- School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
| | - Yanzhen Ren
- School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
| | - Li He
- School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
| | - Jiaokun Li
- School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China.
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2
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Bhadwal S, Sharma S, Singh D. Interactive effects of selenium and arsenic on phenolic constituents and antioxidant activity in rice (Oryza sativa L.). CHEMOSPHERE 2024; 350:141071. [PMID: 38160958 DOI: 10.1016/j.chemosphere.2023.141071] [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: 09/19/2023] [Revised: 11/26/2023] [Accepted: 12/28/2023] [Indexed: 01/03/2024]
Abstract
Arsenic (As) is a heavy toxic metalloid found in air, water and soil that adversely affects the plant growth by inducing oxidative stress in plants. Its contamination of rice is a serious problem throughout the world. Selenium (Se) is a beneficial micronutrient for plants that acts as an antioxidant at low doses and protect the plants against number of environmental stresses either by modulating the primary metabolic pathways or regulating the production of phenolic compounds. In the present investigation, effect of Se on different phenolics, enzymes related to their metabolism and antioxidative potential were studied in As stressed rice leaves. Rice plants were grown in pots containing sodium arsenate (2-10 mg As(V) kg-1 soil) and sodium selenate (0.5-1 mg Se kg-1 soil), both alone and in combination and leaf samples were analyzed for various biochemical parameters. Phenolic constituents increased in rice leaves with As(V) treatment from 2 to 5 mg kg-1 soil and leaves exposed to As(V) @ 5 mg kg-1 soil exhibited 1.7, 1.9 and 2.5 fold increase in total phenolics, o-dihydroxyphenols and flavonols, respectively at grain filling stage. Binary application of Se + As improved various phenolic constituents, FRAP, reducing power and antioxidant activities as compared to control. PAL, TAL and PPO activities increased from 1.3 to 4.6 fold in combined As + Se treatment at both the stages. Anthocyanin contents showed a decline (10.8 fold) with increasing As doses and its content improved at both the stages with maximum increase of 3.76 fold with As5+Se1 combination. Binary application of As + Se improved gallic acid, chlorogenic acid, 3-hydroxy benzoic acid and kaempferol contents than control whereas catechin and coumaric acid showed the reverse trend. Application of Se can modulate phenolic constituents in leaf and grains of rice Cv PR126 due to As stress that helped plants to adapt to excess As and resulted in improved plant growth.
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Affiliation(s)
- Sheetal Bhadwal
- Department of Biochemistry, Punjab Agricultural University, Ludhiana, 141004, India.
| | - Sucheta Sharma
- Department of Biochemistry, Punjab Agricultural University, Ludhiana, 141004, India
| | - Dhanwinder Singh
- Department of Soil Science, Punjab Agricultural University, Ludhiana, 141004, India
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Pandey AK, Gautam A, Singh AK. Insight to chromium homeostasis for combating chromium contamination of soil: Phytoaccumulators-based approach. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 322:121163. [PMID: 36736817 DOI: 10.1016/j.envpol.2023.121163] [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: 03/26/2022] [Revised: 01/15/2023] [Accepted: 01/27/2023] [Indexed: 06/18/2023]
Abstract
Chromium (Cr) is a naturally occurring, carcinogenic heavy metal that has become a pressing concern in recent decades for environmentalists. Due to high anthropogenic activities, the concentration of Cr has crossed the environmental threshold levels and consequently contaminated soil and water. The high solubility of Cr ions in the groundwater results in its high uptake by the plants leading to phytotoxicity and yield loss. The dearth of efficient and cost-effective treatment methods has resulted in massive chromium pollution. However, some phytoaccumulators capable of accumulating Cr in high amounts in their shoots and then performing their metabolic activity typically have been identified. Chromium bioremediation using phytoaccumulators is very contemplative due to its eco-friendly and cost-effective outcome. These accumulators possess several mechanisms, such as biosorption, reduction, efflux, or bioaccumulation, naturally or acquired to counter the toxicity of chromium. This review focuses on the detoxification mechanism of Cr by the phytoaccumulator species, their responses against Cr toxicity, and the scope for their application in bioremediation. Besides, Cr bioavailability, uptake, distribution, impairment of redox homeostasis, oxidative stress, and phytotoxicity imposed on the plants are also summarized. Further, the knowledge gap and prospects are also discussed to fill these gaps and overcome the problem associated with the real-time applicability of phytoaccumulator-based bioremediation.
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Affiliation(s)
- Akhilesh Kumar Pandey
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, Uttar Pradesh, India; Department of Biotechnology, Faculty of Biosciences and Biotechnology, Invertis University, Bareilly, 243123, Uttar Pradesh, India.
| | - Arti Gautam
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, Uttar Pradesh, India
| | - Ashish Kumar Singh
- Department of Microbiology and Cell Biology, Indian Institute of Science, Bangalore, 560012, India; Model Rural Health Research Unit, Datia, Indian Council of Medical Research-National Institute of Research in Tribal Health (ICMR-NIRTH), Jabalpur, 482003, India
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Raza A, Tabassum J, Mubarik MS, Anwar S, Zahra N, Sharif Y, Hafeez MB, Zhang C, Corpas FJ, Chen H. Hydrogen sulfide: an emerging component against abiotic stress in plants. PLANT BIOLOGY (STUTTGART, GERMANY) 2022; 24:540-558. [PMID: 34870354 DOI: 10.1111/plb.13368] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 11/04/2021] [Indexed: 05/05/2023]
Abstract
As a result of climate change, abiotic stresses are the most common cause of crop losses worldwide. Abiotic stresses significantly impair plants' physiological, biochemical, molecular and cellular mechanisms, limiting crop productivity under adverse climate conditions. However, plants can implement essential mechanisms against abiotic stressors to maintain their growth and persistence under such stressful environments. In nature, plants have developed several adaptations and defence mechanisms to mitigate abiotic stress. Moreover, recent research has revealed that signalling molecules like hydrogen sulfide (H2 S) play a crucial role in mitigating the adverse effects of environmental stresses in plants by implementing several physiological and biochemical mechanisms. Mainly, H2 S helps to implement antioxidant defence systems, and interacts with other molecules like nitric oxide (NO), reactive oxygen species (ROS), phytohormones, etc. These molecules are well-known as the key players that moderate the adverse effects of abiotic stresses. Currently, little progress has been made in understanding the molecular basis of the protective role of H2 S; however, it is imperative to understand the molecular basis using the state-of-the-art CRISPR-Cas gene-editing tool. Subsequently, genetic engineering could provide a promising approach to unravelling the molecular basis of stress tolerance mediated by exogenous/endogenous H2 S. Here, we review recent advances in understanding the beneficial roles of H2 S in conferring multiple abiotic stress tolerance in plants. Further, we also discuss the interaction and crosstalk between H2 S and other signal molecules; as well as highlighting some genetic engineering-based current and future directions.
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Affiliation(s)
- A Raza
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Center of Legume Crop Genetics and Systems Biology/College of Agriculture, Oil Crops Research Institute, Fujian Agriculture and Forestry University (FAFU), Fuzhou, China
| | - J Tabassum
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Chinese Academy of Agricultural Science (CAAS), Zhejiang, China
| | - M S Mubarik
- Department of Biotechnology, University of Narowal (UON), Narowal, 51600, Pakistan
| | - S Anwar
- Department of Agronomy, University of Florida, Gainesville, USA
| | - N Zahra
- Department of Botany, University of Agriculture, Faisalabad, Pakistan
| | - Y Sharif
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Center of Legume Crop Genetics and Systems Biology/College of Agriculture, Oil Crops Research Institute, Fujian Agriculture and Forestry University (FAFU), Fuzhou, China
| | - M B Hafeez
- College of Agronomy, Northwest A&F University, Yangling, China
| | - C Zhang
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Center of Legume Crop Genetics and Systems Biology/College of Agriculture, Oil Crops Research Institute, Fujian Agriculture and Forestry University (FAFU), Fuzhou, China
| | - F J Corpas
- Group of Antioxidants, Free Radicals and Nitric Oxide in Biotechnology, Food and Agriculture, Department of Biochemistry, Cell and Molecular Biology of Plants, Estación Experimental del Zaidín, Spanish National Research Council, CSIC, Granada, Spain
| | - H Chen
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Center of Legume Crop Genetics and Systems Biology/College of Agriculture, Oil Crops Research Institute, Fujian Agriculture and Forestry University (FAFU), Fuzhou, China
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Sharifi-Rad J, Adetunji CO, Olaniyan OT, Ojo SK, Samuel MO, Temitayo BT, Roli OI, Nimota OO, Oluwabunmi BT, Adetunji JB, Sharopov F, Cruz-Martins N, del Mar Contreras M. Antimicrobial, Antioxidant and Other Pharmacological Activities of Ocimum Species: Potential to Be Used as Food Preservatives and Functional Ingredients. FOOD REVIEWS INTERNATIONAL 2021. [DOI: 10.1080/87559129.2021.1934693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Javad Sharifi-Rad
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Facultad De Medicina, Universidad Del Azuay, Cuenca, Ecuador
| | - Charles Oluwaeun Adetunji
- Department of Microbiology, Biotechnology and Nanotechnology Laboratory, Edo University Iyamho, Edo State, Nigeria
| | - Olugbemi T. Olaniyan
- Laboratory for Reproductive Biology and Developmental Programming, Department of Physiology, Edo University, Iyahmo, Edo State, Nigeria
| | - Stephen Kayode Ojo
- Department of Microbiology, Federal University, Oye-Ekiti, Ekiti State, Nigeria
| | - Micheal Olugbenga Samuel
- Cardiometabolic Research Unit, Department of Physiology, College of Health Sciences, Bowen University, Iwo, Osun State, Nigeria
| | - Banjo Temitope Temitayo
- Institute for Human Resources Development, Federal University of Agriculture, Abeokuta, Ogun State, Nigeria
| | - Osahon Itohan Roli
- Department of Anatomy, College of Basic Medical Science Edo University Iyamho, Nigeria
| | | | | | - Juliana Bunmi Adetunji
- Nutritional and Toxicological Research Laboratory, Department of Biochemistry, Osun State University, Osogbo, Osun State, Nigeria
| | - Farukh Sharopov
- Department of Pharmaceutical Technology, Avicenna Tajik State Medical University, Rudaki, Dushanbe, Tajikistan
| | - Natália Cruz-Martins
- Faculty of Medicine, University of Porto, Porto, Portugal
- Institute for Research and Innovation in Health (I3s), University of Porto, Porto, Portugal
- Laboratory of Neuropsychophysiology, Faculty of Psychology and Education Sciences, University of Porto, Porto, Portugal
| | - María del Mar Contreras
- Department of Chemical, Environmental, and Materials Engineering, University of Jaén, Campus Las Lagunillas, Jaén, Spain
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Garg S, Roy A. A Current Perspective of Plants as an Antibacterial Agent: A Review. Curr Pharm Biotechnol 2021; 21:1588-1602. [PMID: 32568018 DOI: 10.2174/1389201021666200622121249] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 05/15/2020] [Accepted: 06/03/2020] [Indexed: 11/22/2022]
Abstract
With the emergence and evolution of bacterial strains, it is now becoming difficult for pharmaceutical industries to provide remedies required for the betterment of mankind. Continuous exposure with available medication leads to the development of new strains with a significant amount of resistance, due to which pharmaceutical industries are facing various challenges. Antimicrobial resistance is the phenomenon causing a challenge in new drug development through conventional methods. Therefore, the requirement of alternative medicine is in high demand. Recently, allopathic medicines have seen a disinterest and people are preferring natural solutions due to their fewer side effects comparable to conventional medicine. Worldwide plants are utilized for various disease treatments such as bacterial infection, skin disorders, cancer, asthma, respiratory problems, etc. The presence of a wide range of phytocompounds in different plants provides an alternative to the pharmaceutical industries to counter the problem of bacterial infections. Different plants contain various phytochemicals that possess numerous therapeutic activities and provide a remedy to suppress various bacterial strains. Therefore, in this review, an overview of various plants and their phytocompounds which are responsible for antibacterial activity has been discussed.
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Affiliation(s)
- Saksham Garg
- Department of Biotechnology, Delhi Technological University, Delhi, India
| | - Arpita Roy
- Department of Biotechnology, Delhi Technological University, Delhi, India.,Department of Biotechnology, School of Engineering & Technology, Sharda University, Greater Noida, India
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Reactive Oxygen Species (ROS) Metabolism and Nitric Oxide (NO) Content in Roots and Shoots of Rice (Oryza sativa L.) Plants under Arsenic-Induced Stress. AGRONOMY-BASEL 2020. [DOI: 10.3390/agronomy10071014] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Arsenic (As) is a highly toxic metalloid for all forms of life including plants. Rice is the main food source for different countries worldwide, although it can take up high amounts of As in comparison with other crops, showing toxic profiles such as decreases in plant growth and yield. The induction of oxidative stress is the main process underlying arsenic toxicity in plants, including rice, due to an alteration of the reactive oxygen species (ROS) metabolism. The aim of this work was to gain better knowledge on how the ROS metabolism and its interaction with nitric oxide (NO) operate under As stress conditions in rice plants. Thus, physiological and ROS-related biochemical parameters in roots and shoots from rice (Oryza sativa L.) were studied under 50 μM arsenate (AsV) stress, and the involvement of the main antioxidative systems and NO in the response of plants to those conditions was investigated. A decrease of 51% in root length and 27% in plant biomass was observed with 50 μM AsV treatment, as compared to control plants. The results of the activity of superoxide dismutase (SOD) isozymes, catalase, peroxidase (POD: total and isoenzymatic), and the enzymes of the ascorbate–glutathione cycle, besides the ascorbate and glutathione contents, showed that As accumulation provoked an overall significant increase of most of them, but with different profiles depending on the plant organ, either root or shoot. Among the seven identified POD isozymes, the induction of the POD-3 in shoots under As stress could help to maintain the hydrogen peroxide (H2O2) redox homeostasis and compensate the loss of the ascorbate peroxidase (APX) activity in both roots and shoots. Lipid peroxidation was slightly increased in roots and shoots from As-treated plants. The H2O2 and NO contents were enhanced in roots and shoots against arsenic stress. In spite of the increase of most antioxidative systems, a mild oxidative stress situation appears to be consolidated overall, since the growth parameters and those from the oxidative damage could not be totally counteracted. In these conditions, the higher levels of H2O2 and NO suggest that signaling events are simultaneously occurring in the whole plant.
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Pandey AK, Gedda MR, Verma AK. Effect of Arsenic Stress on Expression Pattern of a Rice Specific miR156j at Various Developmental Stages and Their Allied Co-expression Target Networks. FRONTIERS IN PLANT SCIENCE 2020; 11:752. [PMID: 32612618 PMCID: PMC7308582 DOI: 10.3389/fpls.2020.00752] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Accepted: 05/12/2020] [Indexed: 05/28/2023]
Abstract
In plants, arsenic (As) stress modulates metabolic cascades at various developmental stages by influencing the pattern of gene expressions mediated by small non-coding RNAs, especially Micro-RNAs, involved in the moderation of a myriad of cellular processes needed for plant adaptation upon oxidative stress. miR156j of miR156 gene family, involved mainly in the regulation of growth and development in plants. This study was designed to find out the role of arsenic toxicity on Osa-miR156j expression in all physiological growth stages. To better understand the functional role of Osa-miR156j in rice, we observed the expression in different developmental stages (seedlings, tillering and flowering) and various tissues of leaf, stem and root tissues (at 0, 24, 48, and 72 h) under 25 μM arsenite [As (III)] exposure. Additionally, using bioinformatic tools to target genes of Osa-miR156j and the potential co-expressed genes were explored at different development stages in the various tissues of rice under stress conditions. The expression of Osa-miR156j showed its temporal downregulation in various tissues in different developmental stages. Of note, the downregulation was more pronounced in root tissues at seedlings, tillering, and flowering stages during 0-72 h under arsenite exposure as compared to other tissues. Overall, the As stress altered the gene expression more prominently at seedlings developmental stage followed by flowering and tillering. Additionally, through the In silico approach, the target functions and presence of oxidative stress-responsive cis-acting regulatory elements/motifs also confirmed Osa-miR156j involvement in the regulation of arsenic stress in rice. The findings of this study demonstrate the prominent role of Osa-miR156j in rice under arsenite stress, which was found to modulate the metabolic activities in rice plants at different developmental stages, and thus it might be useful for the development of arsenic tolerant varieties.
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Affiliation(s)
- Akhilesh Kumar Pandey
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi, India
| | - Mallikarjuna Rao Gedda
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi, India
| | - Ashok K. Verma
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi, India
- Biotechnology Laboratory, U.P. Council of Sugarcane Research, Shahjahanpur, India
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