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Liu Z, Sun H, Li Y, Bao Q, Huang Y. Metabolic regulation mechanism of melatonin for reducing cadmium accumulation and improving quality in rice. Food Chem 2024; 455:139857. [PMID: 38823141 DOI: 10.1016/j.foodchem.2024.139857] [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: 03/01/2024] [Revised: 05/20/2024] [Accepted: 05/25/2024] [Indexed: 06/03/2024]
Abstract
Melatonin acts as a potential regulator of cadmium (Cd) tolerance in rice. However, its practical value in rice production remains unclear. To validate the hypothesis that melatonin affects Cd accumulation and rice quality, a series of experiments were conducted. The results showed that exogenous melatonin application was associated with reduced Cd accumulation (23-43%) in brown rice. Fourier transform infrared spectroscopy (FTIR) analysis showed that exogenous melatonin affected the rice protein secondary structure and starch short-range structure. Metabolomics based on LC-MS/MS revealed that exogenous melatonin altered the brown rice metabolic profile, decreased fatty acid metabolite content, but increased amino acid metabolite, citric acid, melatonin biosynthetic metabolite, and plant hormone contents. These findings indicate that exogenous melatonin can effectively reduced Cd accumulation and improve rice quality through metabolic network regulation, serving as an effective treatment for rice cultivated in Cd-contaminated soil.
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Affiliation(s)
- Zewei Liu
- Innovation Team of Heavy Metal Ecotoxicology and Pollution Remediation, Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China
| | - Hongyu Sun
- Innovation Team of Heavy Metal Ecotoxicology and Pollution Remediation, Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China
| | - Yan Li
- School of Energy and Environmental Sciences, Yunnan Normal University, Kunming 650500, China
| | - Qiongli Bao
- Innovation Team of Heavy Metal Ecotoxicology and Pollution Remediation, Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China.
| | - Yizong Huang
- School of Energy and Environmental Sciences, Yunnan Normal University, Kunming 650500, China.
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Permana BH, Krobthong S, Yingchutrakul Y, Thiravetyan P, Treesubsuntorn C. Sansevieria trifasciata's specific metabolite improves tolerance and efficiency for particulate matter and volatile organic compound removal. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 355:124199. [PMID: 38788990 DOI: 10.1016/j.envpol.2024.124199] [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: 05/24/2023] [Revised: 04/23/2024] [Accepted: 05/17/2024] [Indexed: 05/26/2024]
Abstract
Phytoremediation has become famous for removing particulate matter (PM) and volatile organic compounds (VOCs), but the ability is affected by plant health. Lately, the priming technique was a simple approach to studying improving plant tolerance against abiotic stress by specific metabolites that accumulated, known as "memory", but the mechanism underlying this mechanism and how long this "memory" was retained in the plant was a lack of study. Sansevieria trifasciata was primed for one week for PM and VOC stress to improve plant efficiency on PM and VOC. After that, the plant was recovered for two- or five-weeks, then re-exposed to the same stress with similar PM and VOC concentrations from cigarette smoke. Primed S. trifasciata showed improved removal of PMs entirely within 2 h and VOC within 24 h. The primed plant can maintain a malondialdehyde (MDA) level and retain the "memory" for two weeks. Metabolomics analysis showed that an ornithine-related compound was accumulated as a responsive metabolite under exposure to PM and VOC stress. Exogenous ornithine can maintain plant efficiency and prevent stress by increasing proline and antioxidant enzymes. This study is the first to demonstrate plant "memory" mechanisms under PM and VOC stress.
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Affiliation(s)
- Bayu Hadi Permana
- School of Bioresources and Technology, King Mongkut's University of Technology Thonburi, Bangkok, 10150, Thailand
| | - Sucheewin Krobthong
- Interdisciplinary Graduate Program in Genetic Engineering, Kasetsart University, Bangkok, 10900, Thailand
| | - Yodying Yingchutrakul
- Proteomics Research Team, National Omics Center, NSTDA, Pathum Thani, 12120, Thailand
| | - Paitip Thiravetyan
- School of Bioresources and Technology, King Mongkut's University of Technology Thonburi, Bangkok, 10150, Thailand
| | - Chairat Treesubsuntorn
- School of Bioresources and Technology, King Mongkut's University of Technology Thonburi, Bangkok, 10150, Thailand.
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Ceasar SA, Prabhu S, Ebeed HT. Protein research in millets: current status and way forward. PLANTA 2024; 260:43. [PMID: 38958760 DOI: 10.1007/s00425-024-04478-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Accepted: 06/27/2024] [Indexed: 07/04/2024]
Abstract
MAIN CONCLUSION Millets' protein studies are lagging behind those of major cereals. Current status and future insights into the investigation of millet proteins are discussed. Millets are important small-seeded cereals majorly grown and consumed by people in Asia and Africa and are considered crops of future food security. Although millets possess excellent climate resilience and nutrient supplementation properties, their research advancements have been lagging behind major cereals. Although considerable genomic resources have been developed in recent years, research on millet proteins and proteomes is currently limited, highlighting a need for further investigation in this area. This review provides the current status of protein research in millets and provides insights to understand protein responses for climate resilience and nutrient supplementation in millets. The reference proteome data is available for sorghum, foxtail millet, and proso millet to date; other millets, such as pearl millet, finger millet, barnyard millet, kodo millet, tef, and browntop millet, do not have any reference proteome data. Many studies were reported on stress-responsive protein identification in foxtail millet, with most studies on the identification of proteins under drought-stress conditions. Pearl millet has a few reports on protein identification under drought and saline stress. Finger millet is the only other millet to have a report on stress-responsive (drought) protein identification in the leaf. For protein localization studies, foxtail millet has a few reports. Sorghum has the highest number of 40 experimentally proven crystal structures, and other millets have fewer or no experimentally proven structures. Further proteomics studies will help dissect the specific proteins involved in climate resilience and nutrient supplementation and aid in breeding better crops to conserve food security.
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Affiliation(s)
- S Antony Ceasar
- Division of Plant Molecular Biology and Biotechnology, Department of Biosciences, Rajagiri College of Social Sciences, Cochin, Kerala, 683 104, India.
| | - Srinivasan Prabhu
- Division of Phytochemistry and Drug Design, Department of Biosciences, Rajagiri College of Social Sciences, Cochin, Kerala, 683 104, India
| | - Heba T Ebeed
- Botany and Microbiology Department, Faculty of Science, Damietta University, Damietta, Egypt
- National Biotechnology Network of Expertise (NBNE), Academy of Scientific Research and Technology (ASRT), Cairo, Egypt
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Yang Z, Wang X, Gao C, Wu P, Ahammed GJ, Liu H, Chen S, Cui J. Glutathione is required for nitric oxide-induced chilling tolerance by synergistically regulating antioxidant system, polyamine synthesis, and mitochondrial function in cucumber (Cucumis sativus L.). PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 214:108878. [PMID: 38968841 DOI: 10.1016/j.plaphy.2024.108878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2024] [Revised: 06/24/2024] [Accepted: 06/25/2024] [Indexed: 07/07/2024]
Abstract
In this paper, we discussed the physiological mechanism of enhanced chilling tolerance with combined treatment of nitric oxide (NO) and reduced glutathione (GSH) in cucumber seedlings. With prolonged low temperature (10 °C/6 °C), oxidative stress improved, which was manifested as an increase the hydrogen peroxide (H2O2) and malondialdehyde (MDA), causing cell membrane damage, particularly after 48 h of chilling stress. Exogenous sodium nitroprusside (SNP, NO donor) enhanced the activity of nitric oxide synthase NOS-like, the contents of GSH and polyamines (PAs), and the cellular redox state, thus regulating the activities of mitochondrial oxidative phosphorylation components (CI, CII, CIV, CV). However, buthionine sulfoximine (BSO, a GSH synthase inhibitor) treatment drastically reversed or attenuated the effects of NO. Importantly, the combination of SNP and GSH treatment had the best effect in alleviating chilling-induced oxidative stress by upregulating the activities of antioxidant enzyme, including superoxidase dismutase (SOD), catalase (CAT), ascorbate peroxidase (APX) and peroxidase (POD) and improved the PAs content, thereby increased activities of CI, CII, CIII, CIV, and CV. This potentially contributes to the maintenance of oxidative phosphorylation originating from mitochondria. In addition, the high activity of S-nitrosoglutathione reductase (GSNOR) in the combined treatment of SNP and GSH possibly mediates the conversion of NO and GSH to S-nitrosoglutathione. Our study revealed that the combined treatment with NO and GSH to synergistically improve the cold tolerance of cucumber seedlings under prolonged low-temperature stress.
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Affiliation(s)
- Zhifeng Yang
- Department of Horticulture, Agricultural College, Shihezi University, Shihezi, Xinjiang, 832003, China; Key Laboratory of Special Fruits and Vegetables Cultivation Physiology and Germplasm Resources Utilization of Xinjiang Production and Construction Crops, Shihezi, Xinjiang,832003, China
| | - Xiaoyu Wang
- Department of Horticulture, Agricultural College, Shihezi University, Shihezi, Xinjiang, 832003, China; Key Laboratory of Special Fruits and Vegetables Cultivation Physiology and Germplasm Resources Utilization of Xinjiang Production and Construction Crops, Shihezi, Xinjiang,832003, China
| | - Chenpeng Gao
- Department of Horticulture, Agricultural College, Shihezi University, Shihezi, Xinjiang, 832003, China; Key Laboratory of Special Fruits and Vegetables Cultivation Physiology and Germplasm Resources Utilization of Xinjiang Production and Construction Crops, Shihezi, Xinjiang,832003, China
| | - Pei Wu
- Department of Horticulture, Agricultural College, Shihezi University, Shihezi, Xinjiang, 832003, China; Key Laboratory of Special Fruits and Vegetables Cultivation Physiology and Germplasm Resources Utilization of Xinjiang Production and Construction Crops, Shihezi, Xinjiang,832003, China
| | - Golam Jalal Ahammed
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, 471023, China
| | - Huiying Liu
- Department of Horticulture, Agricultural College, Shihezi University, Shihezi, Xinjiang, 832003, China; Key Laboratory of Special Fruits and Vegetables Cultivation Physiology and Germplasm Resources Utilization of Xinjiang Production and Construction Crops, Shihezi, Xinjiang,832003, China
| | - ShuangChen Chen
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, 471023, China
| | - Jinxia Cui
- Department of Horticulture, Agricultural College, Shihezi University, Shihezi, Xinjiang, 832003, China; Key Laboratory of Special Fruits and Vegetables Cultivation Physiology and Germplasm Resources Utilization of Xinjiang Production and Construction Crops, Shihezi, Xinjiang,832003, China.
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Madheshiya P, Gupta GS, Tiwari S. Cross-talk between antioxidant production and secondary metabolite biosynthesis under combined effects of ozone stress and nitrogen amendments: A case study of lemongrass. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 214:108876. [PMID: 38945097 DOI: 10.1016/j.plaphy.2024.108876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 06/06/2024] [Accepted: 06/25/2024] [Indexed: 07/02/2024]
Abstract
The present experiment was done to study the interactive effects of soil nitrogen (N) amendments and elevated ozone (O3) (N-O3) on a medicinal plant, lemongrass [Cymbopogon flexuosus (Steud.) (Wats.)]. The experiment used two doses of inorganic soil nitrogen (N1, recommended and N2, 1.5-times recommended dose) in open-top chambers under ambient and elevated (ambient + 15 ppb and ambient + 30 ppb) O3 conditions. To analyze various characteristics, samples were collected at 45 and 90 days after transplantation (DAT). Additionally, at 110 days after transplantation (DAT), the metabolite contents of the leaves and essential oils were analyzed. The present study aims to investigate the mechanistic approach involving the crosstalk between antioxidant production and secondary metabolite biosynthesis in lemongrass upon N-O3 interactions. The present experiment showed that N amendments can be an efficient measure to manage O3 injury in plants, along with ensuring a balance between primary and secondary metabolic pathways, thus sustaining the plant defense and production of bioactive compounds, simultaneously. Under N-O3, not only the Halliwell asada pathway was stimulated resulting in the increased activities and concentrations of antioxidant pools; the shikimate, phenylpropanoid and mevalonic acid pathways were also invigorated, producing more number and contents of secondary metabolites (SMs), compared with plants that were not treated with N doses. This study suggests that soil nitrogen amendments will improve the therapeutic qualities of lemongrass, along with the strengthening of its antioxidant machinery, upon exposure to O3 stress.
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Affiliation(s)
- Parvati Madheshiya
- Lab of Ecotoxicology, Centre of Advanced Studies, Department of Botany, Institute of Science, Banaras Hindu University, Varanasi, 221005, India.
| | - Gereraj Sen Gupta
- Lab of Ecotoxicology, Centre of Advanced Studies, Department of Botany, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Supriya Tiwari
- Lab of Ecotoxicology, Centre of Advanced Studies, Department of Botany, Institute of Science, Banaras Hindu University, Varanasi, 221005, India.
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Marks RA, Van Der Pas L, Schuster J, Gilman IS, VanBuren R. Convergent evolution of desiccation tolerance in grasses. NATURE PLANTS 2024:10.1038/s41477-024-01729-5. [PMID: 38906996 DOI: 10.1038/s41477-024-01729-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 05/21/2024] [Indexed: 06/23/2024]
Abstract
Desiccation tolerance has evolved repeatedly in plants as an adaptation to survive extreme environments. Plants use similar biophysical and cellular mechanisms to survive life without water, but convergence at the molecular, gene and regulatory levels remains to be tested. Here we explore the evolutionary mechanisms underlying the recurrent evolution of desiccation tolerance across grasses. We observed substantial convergence in gene duplication and expression patterns associated with desiccation. Syntenic genes of shared origin are activated across species, indicative of parallel evolution. In other cases, similar metabolic pathways are induced but using different gene sets, pointing towards phenotypic convergence. Species-specific mechanisms supplement these shared core mechanisms, underlining the complexity and diversity of evolutionary adaptations to drought. Our findings provide insight into the evolutionary processes driving desiccation tolerance and highlight the roles of parallel and convergent evolution in response to environmental challenges.
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Affiliation(s)
- Rose A Marks
- Department of Horticulture, Michigan State University, East Lansing, MI, USA.
- Plant Resilience Institute, Michigan State University, East Lansing, MI, USA.
- Department of Plant Biology, University of Illinois, Urbana, IL, USA.
| | - Llewelyn Van Der Pas
- Department of Molecular and Cell Biology, University of Cape Town, Cape Town, South Africa
| | - Jenny Schuster
- Department of Horticulture, Michigan State University, East Lansing, MI, USA
- Plant Resilience Institute, Michigan State University, East Lansing, MI, USA
| | - Ian S Gilman
- Department of Horticulture, Michigan State University, East Lansing, MI, USA
- Plant Resilience Institute, Michigan State University, East Lansing, MI, USA
| | - Robert VanBuren
- Department of Horticulture, Michigan State University, East Lansing, MI, USA.
- Plant Resilience Institute, Michigan State University, East Lansing, MI, USA.
- Department of Plant Biology, Michigan State University, East Lansing, MI, USA.
- Department of Plant, Soil, and Microbial Sciences, Michigan State University, East Lansing, MI, USA.
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7
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Fu L, Deng J, Liu S, Zhang C, Xue W, Mailhot G, Vione D, Deng Y, Wang C, Wang L. Efficient regulation of cadmium accumulation by carboxymethylammonium chloride in rice: Correlation analysis and expression of transporter gene OsGLR3. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 930:172861. [PMID: 38685417 DOI: 10.1016/j.scitotenv.2024.172861] [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: 01/10/2024] [Revised: 04/11/2024] [Accepted: 04/26/2024] [Indexed: 05/02/2024]
Abstract
The mechanism of carboxymethylammonium chloride (CC) regulating cadmium (Cd) accumulation in rice was studied in field and hydroponic experiments. Field experiments showed that 0.2-1.2 mmol L-1 CC spraying effectively reduced Cd accumulation by 44 %-77 % in early rice grains and 39 %-78 % in late rice grains, significantly increased calcium (Ca) content and amino acids content in grains, as well as alleviated Cd-induced oxidative damage in leaves. Hydroponic experiments further verified the inhibition effect of CC on Cd accumulation. 1.2 mmol L-1 CC made the highest decrease of Cd content in shoots and roots of hydroponic seedlings by 45 % and 53 %, respectively. Exogenous CC significantly increased glutamate (Glu), glycine (Gly) and glutathione (GSH) content, and improved the activities of catalase (CAT) and superoxide dismutase (SOD) by 41-131 % and 11-121 % in shoots of hydroponic seedlings, respectively. Exogenous CC also increased the relative expression of OsGLR3.1-3.5 in the shoots and roots of hydroponic seedlings. The quantum computational chemistry was used to clarify that the Gly radical provided by CC could form various complexes with Cd through carboxyl oxygen atoms. These results showed that exogenous application of CC improved the tolerance to Cd by enhancing the antioxidant capacity; inhibited the absorption, transport and accumulation of Cd in rice by (1) promoting chelation, (2) increasing the GLRs activity through upregulating the content of Glu, Gly, as well as the expression of OsGLR3.1-3.5.
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Affiliation(s)
- Lin Fu
- Key Laboratory of Original Agro-Environmental Pollution Prevention and Control, Agro-Environmental Protection Institute of Ministry of Agriculture and Rural Affairs, Tianjin 300191, China
| | - Jiawei Deng
- Key Laboratory of Original Agro-Environmental Pollution Prevention and Control, Agro-Environmental Protection Institute of Ministry of Agriculture and Rural Affairs, Tianjin 300191, China
| | - Shuangyue Liu
- Key Laboratory of Original Agro-Environmental Pollution Prevention and Control, Agro-Environmental Protection Institute of Ministry of Agriculture and Rural Affairs, Tianjin 300191, China
| | - Changbo Zhang
- Key Laboratory of Original Agro-Environmental Pollution Prevention and Control, Agro-Environmental Protection Institute of Ministry of Agriculture and Rural Affairs, Tianjin 300191, China.
| | - Weijie Xue
- Key Laboratory of Original Agro-Environmental Pollution Prevention and Control, Agro-Environmental Protection Institute of Ministry of Agriculture and Rural Affairs, Tianjin 300191, China.
| | - Gilles Mailhot
- Université Clermont Auvergne, CNRS, Institut de Chimie de Clermont-Ferrand, F-63000 Clermont-Ferrand, France
| | - Davide Vione
- Università degli Studi di Torino, Dipartimento di Chimica, Via P. Giuria 5, 10125 Torino, Italy
| | - Yun Deng
- School of Environment and Ecology, Jiangnan University, Wuxi 214122, China
| | - Changrong Wang
- Key Laboratory of Original Agro-Environmental Pollution Prevention and Control, Agro-Environmental Protection Institute of Ministry of Agriculture and Rural Affairs, Tianjin 300191, China
| | - Lei Wang
- Key Laboratory of Environmental Biotechnology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
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8
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Palma-Silva C, Mortati AF, Chaves CJN, Simões Santos Leal B, Ribeiro RV, Pinheiro F, Ferro M, Riaño-Pachón DM, de Mattos JS, Tavares MM, Aecyo P, da Costa Cacossi T, Schöngart J, Piedade MTF, André T. Ecological transcriptomics reveals stress response pathways of a ground-herb species in a waterlogging gradient of Amazonian riparian forests. Mol Ecol 2024:e17437. [PMID: 38887167 DOI: 10.1111/mec.17437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 04/23/2024] [Accepted: 05/31/2024] [Indexed: 06/20/2024]
Abstract
Environmental stress is a fundamental facet of life and a significant driver of natural selection in the wild. Gene expression diversity may facilitate adaptation to environmental changes, without necessary genetic change, but its role in adaptive divergence remains largely understudied in Neotropical systems. In Amazonian riparian forests, species distribution is predominantly influenced by species' waterlogging tolerance. The flooding gradient delineates distinct wetland forest types, shaping habitats and species characteristics. Here we investigated the molecular basis of environmental stress response in a tropical ground-herb species (Ischnosiphon puberulus) to environmental variation in Amazonian riparian forests. We compared environmental variables and gene expression profiles from individuals collected in two forest types: Igapó and Terra firme in the Amazonian riparian forests. Predictable seasonal flooding poses a significant challenge in Igapó compared to Terra firme environments, with the former presenting higher water column height and longer flooding duration. Our findings suggest that contrasting environmental conditions related to flooding regimes are important drivers of population genetic differentiation and differential gene expression in I. puberulus. Enriched gene ontology terms highlight associations with environmental stresses, such as defence response, water transport, phosphorylation, root development, response to auxin, salicylic acid and oxidative stress. By uncovering key environmental stress response pathways conserved across populations, I. puberulus offers novel genetic insights into the molecular basis of plant reactions to environmental constraints found in flooded areas of this highly biodiverse neotropical ecosystem.
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Affiliation(s)
- Clarisse Palma-Silva
- Laboratory of Evolutionary Ecology and Genomics of Neotropical Plants, Department of Plant Biology, Institute of Biology, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
| | - Amanda F Mortati
- Institute of Biodiversity and Forests, Universidade Federal do Oeste do Pará, Santarém, Pará, Brazil
| | - Cleber Juliano Neves Chaves
- Laboratory of Evolutionary Ecology and Genomics of Neotropical Plants, Department of Plant Biology, Institute of Biology, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
| | - Bárbara Simões Santos Leal
- Laboratory of Evolutionary Ecology and Genomics of Neotropical Plants, Department of Plant Biology, Institute of Biology, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
- Vale Institute of Technology Sustainable Development, Belém, Pará, Brazil
| | - Rafael V Ribeiro
- Laboratory of Crop Physiology-Department of Plant Biology, Institute of Biology, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
| | - Fabio Pinheiro
- Laboratory of Evolutionary Ecology and Genomics of Neotropical Plants, Department of Plant Biology, Institute of Biology, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
| | - Milene Ferro
- São Paulo State University (UNESP), Institute of Biosciences, Rio Claro, São Paulo, Brazil
| | - Diego M Riaño-Pachón
- Laboratory of Computational, Evolutionary, and Systems Biology, Centro de Energia Nuclear na Agricultura, Universidade de São Paulo, Piracicaba, São Paulo, Brazil
| | - Jacqueline Salvi de Mattos
- Laboratory of Evolutionary Ecology and Genomics of Neotropical Plants, Department of Plant Biology, Institute of Biology, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
| | - Marília Manupella Tavares
- Laboratory of Evolutionary Ecology and Genomics of Neotropical Plants, Department of Plant Biology, Institute of Biology, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
| | - Paulo Aecyo
- Laboratory of Evolutionary Ecology and Genomics of Neotropical Plants, Department of Plant Biology, Institute of Biology, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
| | - Tami da Costa Cacossi
- Laboratory of Evolutionary Ecology and Genomics of Neotropical Plants, Department of Plant Biology, Institute of Biology, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
| | - Jochen Schöngart
- Ecology, Monitoring and Sustainable Use of Wetlands (MAUA Research Group), National Institute for Amazon Research (INPA), Manaus, Amazonas, Brazil
| | - Maria Teresa Fernandez Piedade
- Ecology, Monitoring and Sustainable Use of Wetlands (MAUA Research Group), National Institute for Amazon Research (INPA), Manaus, Amazonas, Brazil
| | - Thiago André
- Institute of Biodiversity and Forests, Universidade Federal do Oeste do Pará, Santarém, Pará, Brazil
- Botany Department, Institute of Biological Sciences; Universidade de Brasília, Brasília, Distrito Federal, Brazil
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Hu Z, Qian C, Wang H, Sun L, Wu C, Zhang G, Han X, Wang C, Ma T, Yang D. Comprehensive toxicological, metabolomic, and transcriptomic analysis of the biodegradation and adaptation mechanism by Achromobacter xylosoxidans SL-6 to diuron. Front Microbiol 2024; 15:1403279. [PMID: 38912345 PMCID: PMC11192067 DOI: 10.3389/fmicb.2024.1403279] [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: 03/19/2024] [Accepted: 05/21/2024] [Indexed: 06/25/2024] Open
Abstract
Biodegradation was considered a promising and environmentally friendly method for treating environmental pollution caused by diuron. However, the mechanisms of biodegradation of diuron required further research. In this study, the degradation process of diuron by Achromobacter xylosoxidans SL-6 was systematically investigated. The results suggested that the antioxidant system of strain SL-6 was activated by adding diuron, thereby alleviating their oxidative stress response. In addition, degradation product analysis showed that diuron in strain SL-6 was mainly degraded by urea bridge cleavage, dehalogenation, deamination, and ring opening, and finally cis, cis-muconic acid was generated. The combined analysis of metabolomics and transcriptomics revealed the biodegradation and adaptation mechanism of strain SL-6 to diuron. Metabolomics analysis showed that after the strain SL-6 was exposed to diuron, metabolic pathways such as tricarboxylic acid cycle (cis, cis-muconic acid), glutathione metabolism (oxidized glutathione), and urea cycle (arginine) were reprogrammed in the cells. Furthermore, diuron could induce the production of membrane transport proteins in strain SL-6 cells and overexpress antioxidant enzyme genes, finally ultimately promoting the up-regulation of genes encoding amide hydrolases and dioxygenases, which was revealed by transcriptomics studies. This work enriched the biodegradation mechanism of phenylurea herbicides and provided guidance for the removal of diuron residues in the environment and promoting agriculture sustainable development.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Desong Yang
- College of Agriculture/Key Laboratory of Oasis Agricultural Pest Management and Plant Protection Resources Utilization, Shihezi University, Shihezi, China
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10
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Mittra PK, Rahman MA, Roy SK, Kwon SJ, Yun SH, Kun C, Zhou M, Katsube-Tanaka T, Shiraiwa T, Woo SH. Deciphering proteomic mechanisms explaining the role of glutathione as an aid in improving plant fitness and tolerance against cadmium-toxicity in Brassica napus L. JOURNAL OF HAZARDOUS MATERIALS 2024; 471:134262. [PMID: 38640678 DOI: 10.1016/j.jhazmat.2024.134262] [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: 01/05/2024] [Revised: 03/31/2024] [Accepted: 04/08/2024] [Indexed: 04/21/2024]
Abstract
Cadmium (Cd) hazard is a serious limitation to plants, soils and environments. Cd-toxicity causes stunted growth, chlorosis, necrosis, and plant yield loss. Thus, ecofriendly strategies with understanding of molecular mechanisms of Cd-tolerance in plants is highly demandable. The Cd-toxicity caused plant growth retardation, leaf chlorosis and cellular damages, where the glutathione (GSH) enhanced plant fitness and Cd-toxicity in Brassica through Cd accumulation and antioxidant defense. A high-throughput proteome approach screened 4947 proteins, wherein 370 were differently abundant, 164 were upregulated and 206 were downregulated. These proteins involved in energy and carbohydrate metabolism, CO2 assimilation and photosynthesis, signal transduction and protein metabolism, antioxidant defense response, heavy metal detoxification, cytoskeleton and cell wall structure, and plant development in Brassica. Interestingly, several key proteins including glutathione S-transferase F9 (A0A078GBY1), ATP sulfurylase 2 (A0A078GW82), cystine lyase CORI3 (A0A078FC13), ferredoxin-dependent glutamate synthase 1 (A0A078HXC0), glutaredoxin-C5 (A0A078ILU9), glutaredoxin-C2 (A0A078HHH4) actively involved in antioxidant defense and sulfur assimilation-mediated Cd detoxification process confirmed by their interactome analyses. These candidate proteins shared common gene networks associated with plant fitness, Cd-detoxification and tolerance in Brassica. The proteome insights may encourage breeders for enhancing multi-omics assisted Cd-tolerance in Brassica, and GSH-mediated hazard free oil seed crop production for global food security.
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Affiliation(s)
- Probir Kumar Mittra
- Department of Crop Science, Chungbuk National University, Cheong-ju 28644, Republic of Korea
| | - Md Atikur Rahman
- Grassland and Forage Division, Rural Development Administration, National Institute of Animal Science, Cheonan 31000, Republic of Korea
| | - Swapan Kumar Roy
- College of Agricultural Sciences, IUBAT-International University of Business Agriculture and Technology, 4 Embankment Drive Road, Sector 10 Uttara Model Town, Dhaka 1230, Bangladesh
| | - Soo-Jeong Kwon
- Department of Crop Science, Chungbuk National University, Cheong-ju 28644, Republic of Korea
| | - Sung Ho Yun
- Bio-Chemical Analysis Team, Center for Research Equipment, Korea Basic Science Institute, Ochang, Cheong-ju 28119, Republic of Korea
| | - Cho Kun
- Bio-Chemical Analysis Team, Center for Research Equipment, Korea Basic Science Institute, Ochang, Cheong-ju 28119, Republic of Korea
| | - Meiliang Zhou
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, 12 South Zhongguancun Street, Haidian, Beijing 100081, China
| | - Tomoyuki Katsube-Tanaka
- Graduate School of Agriculture, Kyoto University, Kitashirakawa Oiwake-cho, Sakyo-ku, Kyoto 606-8502, Japan
| | - Tatsuhiko Shiraiwa
- Graduate School of Agriculture, Kyoto University, Kitashirakawa Oiwake-cho, Sakyo-ku, Kyoto 606-8502, Japan
| | - Sun-Hee Woo
- Department of Crop Science, Chungbuk National University, Cheong-ju 28644, Republic of Korea.
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11
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Liu X, Su H, Wang F, Ma B, Tao Y, Cao K, Shen Y, Zhao W, Wei Y, Wu F. Understanding the Role of Low-Dose Polystyrene Microplastic in Copper Toxicity to Rice Seed (Oryza sativa L.). ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2024. [PMID: 38837494 DOI: 10.1002/etc.5928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 03/14/2024] [Accepted: 05/03/2024] [Indexed: 06/07/2024]
Abstract
There is still much to learn with respect to the potential for microplastics (MPs) to interact with environmental toxins and biota. In the present study, we investigated the effect of MPs on the toxicity of copper (Cu) to rice seeds (Oryza sativa L.). The 7-day median effective concentration (EC50) value of MPs on rice seed germination was 864 mg/L (95% confidence interval [CI] 839 to 897 mg/L). We found that MPs slightly reduced Cu toxicity to rice seeds. The 7-day EC50 of Cu on rice seed germination increased from 7.29 mg/L (95% CI 7.10-7.52 mg/L) to 7.93 mg/L (95% CI 7.58-8.08 mg/L) in the presence of 20 mg/L MPs. We examined this toxicity reduction phenomenon by investigating the role of MPs in the process of Cu transport, Cu accumulation, and metabolic responses. Further investigation found that the MPs used in the present study hardly adsorbed Cu, but these MPs accumulated on the coats of rice seeds and significantly reduced Cu accumulation in rice seedlings. When Cu concentration was 10 mg/L, the presence of MPs reduced the accumulation of Cu in rice seedlings by 34%. We also found that, compared with only Cu present, the addition of MPs resulted in lower reactive oxygen species accumulation and higher catalase activity and glutathione levels in rice seedlings, which also contributed to Cu toxicity reduction. Collectively, the present study shows that polystyrene MPs have the potential to form associations with plant structures which can ultimately impact heavy metal bioaccessibility and therefore toxicity. Environ Toxicol Chem 2024;00:1-10. © 2024 SETAC.
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Affiliation(s)
- Xuesong Liu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, China
| | - Hailei Su
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, China
| | - Fanfan Wang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, China
| | - Binni Ma
- College of Chemical & Material Engineering, Quzhou University, Quzhou, China
| | - Yanru Tao
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, China
| | - Ke Cao
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, China
| | - Yaqin Shen
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, China
| | - Wensi Zhao
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, China
| | - Yuan Wei
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, China
| | - Fengchang Wu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, China
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12
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Trevisan F, Waschgler F, Tiziani R, Cesco S, Mimmo T. Exploring glycine root uptake dynamics in phosphorus and iron deficient tomato plants during the initial stages of plant development. BMC PLANT BIOLOGY 2024; 24:495. [PMID: 38831411 PMCID: PMC11145798 DOI: 10.1186/s12870-024-05120-6] [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: 04/02/2024] [Accepted: 05/09/2024] [Indexed: 06/05/2024]
Abstract
BACKGROUND Phosphorus (P) and iron (Fe) deficiencies are relevant plants nutritional disorders, prompting responses such as increased root exudation to aid nutrient uptake, albeit at an energy cost. Reacquiring and reusing exudates could represent an efficient energy and nitrogen saving strategy. Hence, we investigated the impact of plant development, Fe and P deficiencies on this process. Tomato seedlings were grown hydroponically for 3 weeks in Control, -Fe, and -P conditions and sampled twice a week. We used Isotope Ratio Mass-Spectrometry to measure δ13C in roots and shoots after a 2-h exposure to 13C-labeled glycine (0, 50, or 500 μmol L-1). Plant physiology was assessed with an InfraRed Gas Analyzer and ionome with an Inductively Coupled Plasma Mass-Spectrometry. RESULTS Glycine uptake varied with concentration, suggesting an involvement of root transporters with different substrate affinities. The uptake decreased over time, with -Fe and -P showing significantly higher values as compared to the Control. This highlights its importance during germination and in nutrient-deficient plants. Translocation to shoots declined over time in -P and Control but increased in -Fe plants, suggesting a role of Gly in the Fe xylem transport. CONCLUSIONS Root exudates, i.e. glycine, acquisition and their subsequent shoot translocation depend on Fe and P deficiency. The present findings highlight the importance of this adaptation to nutrient deficiencies, that can potentially enhance plants fitness. A thorough comprehension of this trait holds potential significance for selecting cultivars that can better withstand abiotic stresses.
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Affiliation(s)
- F Trevisan
- Faculty of Agricultural, Environmental and Food Sciences, Free University of Bolzano, Bolzano, 39100, Italy.
| | - F Waschgler
- Faculty of Agricultural, Environmental and Food Sciences, Free University of Bolzano, Bolzano, 39100, Italy
| | - R Tiziani
- Faculty of Agricultural, Environmental and Food Sciences, Free University of Bolzano, Bolzano, 39100, Italy
| | - S Cesco
- Faculty of Agricultural, Environmental and Food Sciences, Free University of Bolzano, Bolzano, 39100, Italy
| | - T Mimmo
- Faculty of Agricultural, Environmental and Food Sciences, Free University of Bolzano, Bolzano, 39100, Italy.
- Competence Centre for Plant Health, Free University of Bolzano, Bolzano, 39100, Italy.
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13
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Chen TT, Zhao P, Wang Y, Wang HQ, Tang Z, Hu H, Liu Y, Xu JM, Mao CZ, Zhao FJ, Wu ZC. The plastid-localized lipoamide dehydrogenase 1 is crucial for redox homeostasis, tolerance to arsenic stress and fatty acid biosynthesis in rice. THE NEW PHYTOLOGIST 2024; 242:2604-2619. [PMID: 38563391 DOI: 10.1111/nph.19727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 03/13/2024] [Indexed: 04/04/2024]
Abstract
Soil contamination with arsenic (As) can cause phytotoxicity and reduce crop yield. The mechanisms of As toxicity and tolerance are not fully understood. In this study, we used a forward genetics approach to isolate a rice mutant, ahs1, that exhibits hypersensitivity to both arsenate and arsenite. Through genomic resequencing and complementation tests, we identified OsLPD1 as the causal gene, which encodes a putative lipoamide dehydrogenase. OsLPD1 was expressed in the outer cell layer of roots, root meristem cells, and in the mesophyll and vascular tissues of leaves. Subcellular localization and immunoblot analysis demonstrated that OsLPD1 is localized in the stroma of plastids. In vitro assays showed that OsLPD1 exhibited lipoamide dehydrogenase (LPD) activity, which was strongly inhibited by arsenite, but not by arsenate. The ahs1 and OsLPD1 knockout mutants exhibited significantly reduced NADH/NAD+ and GSH/GSSG ratios, along with increased levels of reactive oxygen species and greater oxidative stress in the roots compared with wild-type (WT) plants under As treatment. Additionally, loss-of-function of OsLPD1 also resulted in decreased fatty acid concentrations in rice grain. Taken together, our finding reveals that OsLPD1 plays an important role for maintaining redox homeostasis, conferring tolerance to arsenic stress, and regulating fatty acid biosynthesis in rice.
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Affiliation(s)
- Ting-Ting Chen
- State Key Laboratory of Plant Environmental Resilience, College of Life Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Peng Zhao
- State Key Laboratory of Plant Environmental Resilience, College of Life Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Yuan Wang
- State Key Laboratory of Plant Environmental Resilience, College of Life Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Han-Qing Wang
- State Key Laboratory of Crop Genetics and Germplasm Enhancement and Utilization, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Zhu Tang
- State Key Laboratory of Crop Genetics and Germplasm Enhancement and Utilization, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Han Hu
- Agricultural Experiment Station, Zhejiang University, Hangzhou, 310058, China
| | - Yu Liu
- State Key Laboratory of Plant Environmental Resilience, College of Life Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Ji-Ming Xu
- State Key Laboratory of Plant Environmental Resilience, College of Life Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Chuan-Zao Mao
- State Key Laboratory of Plant Environmental Resilience, College of Life Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Fang-Jie Zhao
- State Key Laboratory of Crop Genetics and Germplasm Enhancement and Utilization, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Zhong-Chang Wu
- State Key Laboratory of Plant Environmental Resilience, College of Life Sciences, Zhejiang University, Hangzhou, 310058, China
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14
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Rachappanavar V, Kumar M, Negi N, Chowdhury S, Kapoor M, Singh S, Rustagi S, Rai AK, Shreaz S, Negi R, Yadav AN. Silicon derived benefits to combat biotic and abiotic stresses in fruit crops: Current research and future challenges. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 211:108680. [PMID: 38701606 DOI: 10.1016/j.plaphy.2024.108680] [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: 11/05/2023] [Revised: 03/19/2024] [Accepted: 04/29/2024] [Indexed: 05/05/2024]
Abstract
Fruit crops are frequently subjected to biotic and abiotic stresses that can significantly reduce the absorption and translocation of essential elements, ultimately leading to a decrease in crop yield. It is imperative to grow fruits and vegetables in areas prone to drought, salinity, and extreme high, and low temperatures to meet the world's minimum nutrient demand. The use of integrated approaches, including supplementation of beneficial elements like silicon (Si), can enhance plant resilience under various stresses. Silicon is the second most abundant element on the earth crust, following oxygen, which plays a significant role in development and promote plant growth. Extensive efforts have been made to explore the advantages of Si supplementation in fruit crops. The application of Si to plants reinforces the cell wall, providing additional support through enhancing a mechanical and biochemical processes, thereby improving the stress tolerance capacity of crops. In this review, the molecular and physiological mechanisms that explain the beneficial effects of Si supplementation in horticultural crop species have been discussed. The review describes the role of Si and its transporters in mitigation of abiotic stress conditions in horticultural plants.
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Affiliation(s)
- Vinaykumar Rachappanavar
- MS Swaminathan School of Agriculture, Shoolini University of Biotechnology and Management Sciences, Solan, Himachal Pradesh, India; Department of Seed Science and Technology, Dr YS Parmar University of Horticulture and Forestry, Nauni, Solan, Himachal Pradesh, India.
| | - Manish Kumar
- Department of Seed Science and Technology, Dr YS Parmar University of Horticulture and Forestry, Nauni, Solan, Himachal Pradesh, India
| | - Narender Negi
- ICAR-National Bureau of Plant Genetic Resources-Regional Station, Shimla, Phagli Shimla, Himachal Pradesh, India
| | - Sohini Chowdhury
- Chitkara Center for Research and Development, Chitkara University, Himachal Pradesh, India
| | - Monit Kapoor
- Centre of Research Impact and Outcome, University Institute of Engineering and Technology, Chitkara University, Rajpura, Punjab, India
| | - Sangram Singh
- Department of Biochemistry, Dr. Ram Manohar Lohia Avadh University, Faizabad, Uttar Pradesh, India
| | - Sarvesh Rustagi
- Department of Food Technology, School of Applied and Life Sciences, Uttaranchal University, Dehradun, Uttarakhand, India
| | - Ashutosh Kumar Rai
- Department of Biochemistry, College of Medicine, Imam Abdulrahman Bin Faisal University, Dammam, Kingdom of Saudi Arabia
| | - Sheikh Shreaz
- Environment and Life Sciences Research Center, Kuwait Institute for Scientific Research, PO Box 24885, 13109, Safat, Kuwait
| | - Rajeshwari Negi
- Department of Biotechnology, Dr. Khem Singh Gill Akal College of Agriculture, Eternal University, Baru Sahib, Sirmaur, Himachal Pradesh, India
| | - Ajar Nath Yadav
- Department of Biotechnology, Dr. Khem Singh Gill Akal College of Agriculture, Eternal University, Baru Sahib, Sirmaur, Himachal Pradesh, India.
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15
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Foyer CH, Kunert K. The ascorbate-glutathione cycle coming of age. JOURNAL OF EXPERIMENTAL BOTANY 2024; 75:2682-2699. [PMID: 38243395 PMCID: PMC11066808 DOI: 10.1093/jxb/erae023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 01/16/2024] [Indexed: 01/21/2024]
Abstract
Concepts regarding the operation of the ascorbate-glutathione cycle and the associated water/water cycle in the processing of metabolically generated hydrogen peroxide and other forms of reactive oxygen species (ROS) are well established in the literature. However, our knowledge of the functions of these cycles and their component enzymes continues to grow and evolve. Recent insights include participation in the intrinsic environmental and developmental signalling pathways that regulate plant growth, development, and defence. In addition to ROS processing, the enzymes of the two cycles not only support the functions of ascorbate and glutathione, they also have 'moonlighting' functions. They are subject to post-translational modifications and have an extensive interactome, particularly with other signalling proteins. In this assessment of current knowledge, we highlight the central position of the ascorbate-glutathione cycle in the network of cellular redox systems that underpin the energy-sensitive communication within the different cellular compartments and integrate plant signalling pathways.
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Affiliation(s)
- Christine H Foyer
- School of Biosciences, College of Life and Environmental Sciences, University of Birmingham, Edgbaston B15 2TT, UK
| | - Karl Kunert
- Department of Plant and Soil Sciences, FABI, University of Pretoria, Pretoria, 2001, South Africa
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16
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Li Q, Lin J, Ma H, Yuan L, Liu X, Xiong J, Miao W, Yang M, Ge F. Identification and Functional Analysis of Lysine 2-Hydroxyisobutyrylation in Cyanobacteria. J Proteome Res 2024; 23:1689-1701. [PMID: 38565891 DOI: 10.1021/acs.jproteome.3c00843] [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] [Indexed: 04/04/2024]
Abstract
Cyanobacteria are the oldest prokaryotic photoautotrophic microorganisms and have evolved complicated post-translational modification (PTM) machinery to respond to environmental stress. Lysine 2-hydroxyisobutyrylation (Khib) is a newly identified PTM that is reported to play important roles in diverse biological processes, however, its distribution and function in cyanobacteria have not been reported. Here, we performed the first systematic studies of Khib in a model cyanobacterium Synechococcus sp. strain PCC 7002 (Syn7002) using peptide prefractionation, pan-Khib antibody enrichment, and high-accuracy mass spectrometry (MS) analysis. A total of 1875 high-confidence Khib sites on 618 proteins were identified, and a large proportion of Khib sites are present on proteins in the cellular metabolism, protein synthesis, and photosynthesis pathways. Using site-directed mutagenesis and functional studies, we showed that Khib of glutaredoxin (Grx) affects the efficiency of the PS II reaction center and H2O2 resistance in Syn7002. Together, this study provides novel insights into the functions of Khib in cyanobacteria and suggests that reversible Khib may influence the stress response and photosynthesis in both cyanobacteria and plants.
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Affiliation(s)
- Qiaoya Li
- Key Laboratory of Breeding Biotechnology and Sustainable Aquaculture, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jian Lin
- Key Laboratory of Breeding Biotechnology and Sustainable Aquaculture, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Haiyan Ma
- Key Laboratory of Breeding Biotechnology and Sustainable Aquaculture, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Li Yuan
- Key Laboratory of Breeding Biotechnology and Sustainable Aquaculture, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xin Liu
- School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan 430070, China
| | - Jie Xiong
- Key Laboratory of Breeding Biotechnology and Sustainable Aquaculture, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wei Miao
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Mingkun Yang
- Key Laboratory of Breeding Biotechnology and Sustainable Aquaculture, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Feng Ge
- Key Laboratory of Breeding Biotechnology and Sustainable Aquaculture, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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17
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Sati H, Chinchkar AV, Kataria P, Pareek S. The role of phytomelatonin in plant homeostasis, signaling, and crosstalk in abiotic stress mitigation. PHYSIOLOGIA PLANTARUM 2024; 176:e14413. [PMID: 38924553 DOI: 10.1111/ppl.14413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 05/16/2024] [Accepted: 05/28/2024] [Indexed: 06/28/2024]
Abstract
In recent years, there has been an increase in the study of phytomelatonin. Having numerous functions in animals, melatonin produced by plants (phytomelatonin) is also a multi-regulatory molecule with great potential in plant physiology and in mitigating abiotic stresses, such as drought, salinity, chilling, heat, chemical contamination, and UV-radiation stress. This review highlights the primary functions of phytomelatonin as an anti-stress molecule against abiotic stress. We discuss the role of phytomelatonin as a master regulator, oxidative stress manager, reactive oxygen species and reactive nitrogen species regulator, and defense compounds inducer. Although there exist a handful of reviews on the crosstalk of phytomelatonin with other signaling molecules like auxin, cytokinin, gibberellin, abscisic acid, ethylene, nitric oxide, jasmonic acid, and salicylic acid, this review looks at studies that have reported a few aspects of phytomelatonin with newly discovered signaling molecules along with classical signaling molecules with relation to abiotic stress tolerance. The research and applications of phytomelatonin with hydrogen sulfide, strigolactones, brassinosteroids, and polyamines are still in their nascent stage but hold a promising scope for the future. Additionally, this review states the recent developments in the signaling of phytomelatonin with nitrogen metabolism and nitrosative stress in plants.
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Affiliation(s)
- Hansika Sati
- Department of Agriculture and Environmental Sciences, National Institute of Food Technology Entrepreneurship and Management, Kundli, Sonepat, Haryana, India
| | - Ajay V Chinchkar
- Department of Food Science and Technology, National Institute of Food Technology Entrepreneurship and Management, Kundli, Sonepat, Haryana, India
- Global Brand Resources Pvt. Ltd., Gandhidham (Kutch), Gujarat, India
| | - Priyanka Kataria
- Department of Food Science & Technology, Graphic Era (Deemed to be University), Dehradun, Uttarakhand, India
| | - Sunil Pareek
- Department of Agriculture and Environmental Sciences, National Institute of Food Technology Entrepreneurship and Management, Kundli, Sonepat, Haryana, India
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18
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Permana BH, Thiravetyan P, Treesubsuntorn C. Exogenous of different elicitors: proline and ornithine on Sansevieria trifasciata under particulate matter (PM) and volatile organic compounds (VOC). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:34028-34037. [PMID: 38693456 DOI: 10.1007/s11356-024-33513-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 04/26/2024] [Indexed: 05/03/2024]
Abstract
Phytoremediation has become famous for removing particulate matter (PM) and volatile organic compounds (VOC) in situ. Plants for removing PM and VOC were associated with botanical biofilters to attract pollution to the plant. On the other hand, persistent pollution exposure can lower plant health and phytoremediation effectiveness; therefore, improving plant tolerance against stress is necessary. Various elicitors can enhance plant tolerance to certain stressors. This study aims to investigate different elicitors to maintain plant health and improve the use of plants in phytoremediation for PM and VOC pollution. This experiment used Sansevieria trifasciata hort. ex Prain under PM and VOC stress. Exogenous elicitors, such as proline, ornithine, and a commercial product, were applied to the leaf parts before exposure to PM and VOC stress. The initial concentrations of PM1, PM2.5, and PM10 were 300-350, 350-450, and 400-500 µg m-3, respectively, while the VOC concentration was 2.5-3.0 mg m-3. The plant was stressed for 7 days. The result indicated that ornithine 10 mM is vital in improving plant tolerance and inducing antioxidant enzymes against PM and VOC, while proline 50 mM and a commercial product could not reduce plant stress. This study suggests that ornithine might be an important metabolite to improve plant tolerance to PM and VOC.
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Affiliation(s)
- Bayu Hadi Permana
- School of Bioresources and Technology, King Mongkut's University of Technology Thonburi, Bangkok, 10150, Thailand
| | - Paitip Thiravetyan
- School of Bioresources and Technology, King Mongkut's University of Technology Thonburi, Bangkok, 10150, Thailand
| | - Chairat Treesubsuntorn
- School of Bioresources and Technology, King Mongkut's University of Technology Thonburi, Bangkok, 10150, Thailand.
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19
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Chang HF, Tseng SC, Tang MT, Hsiao SSY, Lee DC, Wang SL, Yeh KC. Physiology and molecular basis of thallium toxicity and accumulation in Arabidopsis thaliana. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 276:116290. [PMID: 38599154 DOI: 10.1016/j.ecoenv.2024.116290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 02/28/2024] [Accepted: 04/01/2024] [Indexed: 04/12/2024]
Abstract
Thallium (Tl) is a non-essential metal mobilized through industrial processes which can lead to it entering the environment and exerting toxic effects. Plants are fundamental components of all ecosystems. Therefore, understanding the impact of Tl on plant growth and development is of great importance for assessing the potential environmental risks of Tl. Here, the responses of Arabidopsis thaliana to Tl were elucidated using physiological, genetic, and transcriptome analyses. Thallium can be absorbed by plant roots and translocated to the aerial parts, accumulating at comparable concentrations throughout plant parts. Genetic evidence supported the regulation of Tl uptake and movement by different molecular compartments within plants. Thallium primarily caused growth inhibition, oxidative stress, leaf chlorosis, and the impairment of K homeostasis. The disturbance of redox balance toward oxidative stress was supported by significant differences in the expression of genes involved in oxidative stress and antioxidant defense under Tl exposure. Reduced GSH levels in cad2-1 mutant rendered plants highly sensitive to Tl, suggesting that GSH has a prominent role in alleviating Tl-triggered oxidative responses. Thallium down-regulation of the expression of LCHII-related genes is believed to be responsible for leaf chlorosis. These findings illuminate some of the mechanisms underlying Tl toxicity at the physiological and molecular levels in plants with an eye toward the future environment management of this heavy metal.
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Affiliation(s)
- Hsin-Fang Chang
- Agricultural Biotechnology Research Center, Academia Sinica, Taipei 11529, Taiwan, Republic of China
| | - Shao-Chin Tseng
- Experimental Facility Division, National Synchrotron Radiation Research Center, Hsinchu 30076, Taiwan, Republic of China
| | - Mau-Tsu Tang
- Experimental Facility Division, National Synchrotron Radiation Research Center, Hsinchu 30076, Taiwan, Republic of China
| | - Silver Sung-Yun Hsiao
- Institute of Earth Sciences, Academia Sinica, Taipei 11529, Taiwan, Republic of China
| | - Der-Chuen Lee
- Institute of Earth Sciences, Academia Sinica, Taipei 11529, Taiwan, Republic of China; Institute of Astronomy and Astrophysics, Academia Sinica, Taipei 11529, Taiwan, Republic of China
| | - Shan-Li Wang
- Department of Agricultural Chemistry, National Taiwan University, Taipei 10617, Taiwan, Republic of China
| | - Kuo-Chen Yeh
- Agricultural Biotechnology Research Center, Academia Sinica, Taipei 11529, Taiwan, Republic of China.
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20
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Nisha FA, Tagoe JNA, Pease AB, Horne SM, Ugrinov A, Geddes BA, Prüß BM. Plant seedlings of peas, tomatoes, and cucumbers exude compounds that are needed for growth and chemoattraction of Rhizobium leguminosarum bv. viciae 3841 and Azospirillum brasilense Sp7. Can J Microbiol 2024; 70:150-162. [PMID: 38427979 DOI: 10.1139/cjm-2023-0217] [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] [Indexed: 03/03/2024]
Abstract
This study characterizes seedling exudates of peas, tomatoes, and cucumbers at the level of chemical composition and functionality. A plant experiment confirmed that Rhizobium leguminosarum bv. viciae 3841 enhanced growth of pea shoots, while Azospirillum brasilense Sp7 supported growth of pea, tomato, and cucumber roots. Chemical analysis of exudates after 1 day of seedling incubation in water yielded differences between the exudates of the three plants. Most remarkably, cucumber seedling exudate did not contain detectable sugars. All exudates contained amino acids, nucleobases/nucleosides, and organic acids, among other compounds. Cucumber seedling exudate contained reduced glutathione. Migration on semi solid agar plates containing individual exudate compounds as putative chemoattractants revealed that R. leguminosarum bv. viciae was more selective than A. brasilense, which migrated towards any of the compounds tested. Migration on semi solid agar plates containing 1:1 dilutions of seedling exudate was observed for each of the combinations of bacteria and exudates tested. Likewise, R. leguminosarum bv. viciae and A. brasilense grew on each of the three seedling exudates, though at varying growth rates. We conclude that the seedling exudates of peas, tomatoes, and cucumbers contain everything that is needed for their symbiotic bacteria to migrate and grow on.
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Affiliation(s)
- Fatema A Nisha
- Department of Microbiological Sciences, North Dakota State University, Fargo, ND, USA
| | - Janice N A Tagoe
- Department of Microbiological Sciences, North Dakota State University, Fargo, ND, USA
| | - Amanda B Pease
- Department of Microbiological Sciences, North Dakota State University, Fargo, ND, USA
| | - Shelley M Horne
- Department of Microbiological Sciences, North Dakota State University, Fargo, ND, USA
| | - Angel Ugrinov
- Department of Chemistry and Biochemistry, North Dakota State University, Fargo, ND, USA
| | - Barney A Geddes
- Department of Microbiological Sciences, North Dakota State University, Fargo, ND, USA
| | - Birgit M Prüß
- Department of Microbiological Sciences, North Dakota State University, Fargo, ND, USA
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Hussain M, Hafeez A, Rizwan M, Rasheed R, Seleiman MF, Ashraf MA, Ali S, Farooq U, Nafees M. Pervasive influence of heavy metals on metabolic pathways is potentially relieved by hesperidin to enhance the phytoremediation efficiency of Bassia scoparia. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:34526-34549. [PMID: 38709411 DOI: 10.1007/s11356-024-33530-4] [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: 01/16/2024] [Accepted: 04/27/2024] [Indexed: 05/07/2024]
Abstract
Hesperidin (HSP), a flavonoid, is a potent antioxidant, metal chelator, mediator of signaling pathways, and regulator of metal uptake in plants. The study examined the ameliorative effects of HSP (100 μM) on Bassia scoparia grown under excessive levels of heavy metals (zinc (500 mg kg-1), copper (400 mg kg-1), cadmium (100 mg kg-1), and chromium (100 mg kg-1)). The study clarifies the underlying mechanisms by which HSP lessens metabolic mayhem to enhance metal stress tolerance and phytoremediation efficiency of Bassia scoparia. Plants manifested diminished growth because of a drop in chlorophyll content and nutrient acquisition, along with exacerbated deterioration of cellular membranes reflected in elevated reactive oxygen species (ROS) production, lipid peroxidation, and relative membrane permeability. Besides the colossal production of cytotoxic methylglyoxal, the activity of lipoxygenase was also higher in plants under metal toxicity. Conversely, hesperidin suppressed the production of cytotoxic ROS and methylglyoxal. Hesperidin improved oxidative defense that protected membrane integrity. Hesperidin caused a more significant accumulation of osmolytes, non-protein thiols, and phytochelatins, thereby rendering metal ions non-toxic. Hydrogen sulfide and nitric oxide endogenous levels were intricately maintained higher in plants treated with HSP. Hesperidin increased metal accumulation in Bassia scoparia and thereby had the potential to promote the reclamation of metal-contaminated soils.
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Affiliation(s)
- Mazhar Hussain
- Department of Botany, Government College University Faisalabad, Faisalabad, 38000, Pakistan
| | - Arslan Hafeez
- Department of Botany, Government College University Faisalabad, Faisalabad, 38000, Pakistan
| | - Muhammad Rizwan
- Department of Environmental Sciences, Government College University Faisalabad, Faisalabad, 38000, Pakistan
| | - Rizwan Rasheed
- Department of Botany, Government College University Faisalabad, Faisalabad, 38000, Pakistan
| | - Mahmoud F Seleiman
- Department of Plant Production, College of Food and Agriculture Sciences, King Saud University, P.O. Box 2460, Riyadh, 11451, Saudi Arabia
| | - Muhammad Arslan Ashraf
- Department of Botany, Government College University Faisalabad, Faisalabad, 38000, Pakistan.
| | - Shafaqat Ali
- Department of Environmental Sciences, Government College University Faisalabad, Faisalabad, 38000, Pakistan
- Department of Biological Sciences and Technology, China Medical University, Taichung, 40402, Taiwan
| | - Umer Farooq
- Department of Botany, Government College University Faisalabad, Faisalabad, 38000, Pakistan
| | - Muhammad Nafees
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 21023, Jiangsu, China
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22
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Hu Y, Khan S, Yin L, Tang H, Huang J. Investigating aluminum toxicity effects on callose deposition, oxidative stress, and nutrient homeostasis in banana genotypes. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024:10.1007/s11356-024-33071-w. [PMID: 38632199 DOI: 10.1007/s11356-024-33071-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Accepted: 03/20/2024] [Indexed: 04/19/2024]
Abstract
Aluminum (Al) toxicity poses a significant challenge to agricultural productivity, particularly in acidic soils. The banana crop, predominantly cultivated in tropical and subtropical climates, often grapples with low pH and Al toxicity. This study seeks to explore the differential responses of two banana genotypes with varying Al tolerance (Baodao and Baxi) to Al exposure (100 and 500 µM) for 24 h. Microscopic analysis uncovered distinctive structural modifications in root cells, with Baodao displaying more severe alterations in response to Al stress. There was higher superoxide (O2-.) and hydrogen peroxide (H2O2) production and lipid peroxidation in Baodao indicating enhanced oxidative stress and membrane damage. Al accumulation in root tips was higher in Baxi than Baodao, while the roots of Baodao had a higher accumulation of callose. Nutrient content analysis revealed alterations in ion levels, highlighting the impact of Al exposure on nutrient uptake and homeostasis. In summary, Al differentially affects callose deposition, which, in turn, leads to Al uptake and nutrient homeostasis alteration in two contrasting banana genotypes. This intricate interplay is a key factor in understanding plant responses to aluminum toxicity and can inform strategies for crop improvement and soil management in aluminum-stressed environments.
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Affiliation(s)
- Yue Hu
- College of Breeding and Multiplication, Hainan University (Sanya Institute of Breeding and Multiplication), Sanya, 572022, China
| | - Shahbaz Khan
- College of Breeding and Multiplication, Hainan University (Sanya Institute of Breeding and Multiplication), Sanya, 572022, China
| | - Liyan Yin
- School of Life Sciences, Hainan University, Haikou, 570228, China
- One Health Institute, Hainan University, Haikou, 570228, China
| | - Hua Tang
- College of Breeding and Multiplication, Hainan University (Sanya Institute of Breeding and Multiplication), Sanya, 572022, China
| | - Jiaquan Huang
- College of Breeding and Multiplication, Hainan University (Sanya Institute of Breeding and Multiplication), Sanya, 572022, China.
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23
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Khan MM, Rahman MM, Hasan MM, Amin MF, Matin MQI, Faruq G, Alkeridis LA, Gaber A, Hossain A. Assessment of the salt tolerance of diverse bread wheat ( Triticum aestivum L.) genotypes during the early growth stage under hydroponic culture conditions. Heliyon 2024; 10:e29042. [PMID: 38601562 PMCID: PMC11004879 DOI: 10.1016/j.heliyon.2024.e29042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 03/25/2024] [Accepted: 03/28/2024] [Indexed: 04/12/2024] Open
Abstract
Objectives Soil salinity affects the growth of crop plants, leading to reduced productivity, and is a major challenge for wheat production worldwide. Various adaptations and mitigation approaches in combination with tolerant wheat genotypes can be useful for the sustainability of crop production in saline environments. However, the development of salt-tolerant wheat genotypes is one of the best and most efficient solutions for obtaining desirable yields. Considering these issues, an investigation was carried out under hydroponic nutrient culture conditions to assess the genetic variability and selection of salt-tolerant wheat genotypes by categorizing inequitable morphophysiological and genetic variability as well as multivariate analysis. Methods To meet the objectives of this study, 100 wheat genotypes were tested hydroponically in 0 (control) and 15 dS m-1 salt solutions. Conclusion For all the wheat genotypes grown under saline conditions, the shoot length (SL), root length (RL), shoot fresh weight (SFW), root fresh weight (RFW), total fresh weight (TFW), shoot dry weight (SDW), root dry weight (RDW), and total dry weight (TDW) decreased significantly. Furthermore, significant variation was observed among the genotypes in terms of their characteristics only under saline conditions. In the case of genetic diversity analysis, a high genotypic coefficient of variation (GCV), phenotypic coefficient of variation (PCV), genetic advance in the percentage of the mean (GAM) and high heritability (h2b) were recorded for all tested wheat genotypes based on the SDW, RDW and TDW. Correlation analysis for both genotypic and phenotypic relationships revealed strong positive correlations for TDW, SDW, TFW and SFW. Principal component analysis (PCA) revealed that TDW, TFW, SDW, and SFW were the most discriminative variables for the wheat genotypes, which was confirmed by discriminant function analysis (DFA). PCA-biplot analysis also revealed significant positive correlations between SDW and SFW and between TDW and TFW. Hierarchical cluster analysis was performed for ten clusters based on the relative performance of the genotypes, where the genotypes were characterized into salt-tolerant, medium-salt-tolerant, medium-salt-susceptible and salt-susceptible groups. Among the genotypes, G11, G25 and G29 under cluster VII were categorized as salt tolerant based on their outstanding performance in terms of characteristics only under saline conditions. D2 analysis proved that the wheat genotypes of this cluster were highly divergent from the other cluster genotypes; as a result, these genotypes might be utilized as parents in the development of salt-tolerant wheat genotypes. The current study concluded that SDW and TDW could be employed as criteria for selecting and defining salt-tolerant genotypes during the early growth stage of wheat.
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Affiliation(s)
- Md Mustafa Khan
- Regional Station, Bangladesh Wheat and Maize Research Institute, Gazipur, 1701, Bangladesh
| | - Md Mahbubur Rahman
- Regional Station, Bangladesh Wheat and Maize Research Institute, Gazipur, 1701, Bangladesh
| | - Md Mahamudul Hasan
- Regional Station, Bangladesh Wheat and Maize Research Institute, Gazipur, 1701, Bangladesh
| | - Mohammad Forhad Amin
- Regional Station, Bangladesh Wheat and Maize Research Institute, Gazipur, 1701, Bangladesh
| | | | - Golam Faruq
- Wheat Breeding Division, Bangladesh Wheat and Maize Research Institute, Nashipur, Dinajpur, 5200, Bangladesh
| | - Lamya Ahmed Alkeridis
- Department of Biology, College of Science, Princess Nourah Bint Abdulrahman University, P.O. Box 84428, Riyadh, 11671, Saudi Arabia
| | - Ahmed Gaber
- Department of Genetics, Faculty of Agriculture, Cairo University, Giza, 12613, Egypt
- Department of Biology, Faculty of Science, Taif University, B.O. Box 11099, 21944, Taif, Saudi Arabia
| | - Akbar Hossain
- Soil Science Division, Bangladesh Wheat and Maize Research Institute, Nashipur, Dinajpur, 5200, Bangladesh
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Hu B, Ouyang Y, Zhao T, Wang Z, Yan Q, Qian Q, Wang W, Wang S. Antioxidant Hydrogels: Antioxidant Mechanisms, Design Strategies, and Applications in the Treatment of Oxidative Stress-Related Diseases. Adv Healthc Mater 2024; 13:e2303817. [PMID: 38166174 DOI: 10.1002/adhm.202303817] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 12/23/2023] [Indexed: 01/04/2024]
Abstract
Oxidative stress is a biochemical process that disrupts the redox balance due to an excess of oxidized substances within the cell. Oxidative stress is closely associated with a multitude of diseases and health issues, including cancer, diabetes, cardiovascular diseases, neurodegenerative disorders, inflammatory conditions, and aging. Therefore, the developing of antioxidant treatment strategies has emerged as a pivotal area of medical research. Hydrogels have garnered considerable attention due to their exceptional biocompatibility, adjustable physicochemical properties, and capabilities for drug delivery. Numerous antioxidant hydrogels have been developed and proven effective in alleviating oxidative stress. In the pursuit of more effective treatments for oxidative stress-related diseases, there is an urgent need for advanced strategies for the fabrication of multifunctional antioxidant hydrogels. Consequently, the authors' focus will be on hydrogels that possess exceptional reactive oxygen species and reactive nitrogen species scavenging capabilities, and their role in oxidative stress therapy will be evaluated. Herein, the antioxidant mechanisms and the design strategies of antioxidant hydrogels and their applications in oxidative stress-related diseases are discussed systematically in order to provide critical insights for further advancements in the field.
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Affiliation(s)
- Bin Hu
- School of Materials and Chemistry, University of Shanghai for Science and Technology, No. 516 Jungong Road, Shanghai, 200093, China
| | - Yongliang Ouyang
- School of Materials and Chemistry, University of Shanghai for Science and Technology, No. 516 Jungong Road, Shanghai, 200093, China
| | - Tong Zhao
- School of Materials and Chemistry, University of Shanghai for Science and Technology, No. 516 Jungong Road, Shanghai, 200093, China
| | - Zhengyue Wang
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong, Hong Kong SAR, 999077, China
| | - Qiling Yan
- School of Materials and Chemistry, University of Shanghai for Science and Technology, No. 516 Jungong Road, Shanghai, 200093, China
| | - Qinyuan Qian
- School of Materials and Chemistry, University of Shanghai for Science and Technology, No. 516 Jungong Road, Shanghai, 200093, China
| | - Wenyi Wang
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong, Hong Kong SAR, 999077, China
| | - Shige Wang
- School of Materials and Chemistry, University of Shanghai for Science and Technology, No. 516 Jungong Road, Shanghai, 200093, China
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Martins M, Oliveira L, Sousa B, Valente IM, Rodrigues JA, Azenha M, Soares C, Pereira R, Fidalgo F. Unravelling the combined impacts of drought and Cu in barley plants - double trouble? PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 209:108546. [PMID: 38518397 DOI: 10.1016/j.plaphy.2024.108546] [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: 11/21/2023] [Revised: 03/05/2024] [Accepted: 03/19/2024] [Indexed: 03/24/2024]
Abstract
The occurrence of drought in soils, particularly in those contaminated by metals, poses a current threat to crops, as these factors can interact and induce unique stress responses. Therefore, this study mainly focused on understanding the crosstalk between drought and copper (Cu) stress in the physiology of the barley (Hordeum vulgare L.) plant. Using a bifactorial experimental design, seedlings were grown in a natural soil under the following treatments: plants continuously irrigated in uncontaminated soil for 14 days (control); plants continuously irrigated in Cu-contaminated soil (115 mg Cu kg-1) for 14 days (Cu); plants only irrigated during the initials 7 days of growth in uncontaminated soil (drought); plants co-exposed to Cu and drought (combined). After 14 days of growth, the results revealed that drought prevented Cu bioaccumulation in barley roots, which were still severely affected by the metal, both individually and in combination with the water deficit. Furthermore, individual and combined exposure to these stressors resulted in impaired photosynthetic performance in barley plants. Despite the increased activation of enzymatic and non-enzymatic antioxidant defence mechanisms, particularly in the green organs, the plants co-exposed to both stress factors still showed higher oxidative damage, severely impacting biomass production.
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Affiliation(s)
- Maria Martins
- GreenUPorto - Sustainable Agrifood Production Research Centre & Inov4Agro, Biology Department, Faculty of Sciences of University of Porto, Rua Do Campo Alegre S/n, Porto, Portugal.
| | - Licínio Oliveira
- GreenUPorto - Sustainable Agrifood Production Research Centre & Inov4Agro, Biology Department, Faculty of Sciences of University of Porto, Rua Do Campo Alegre S/n, Porto, Portugal
| | - Bruno Sousa
- GreenUPorto - Sustainable Agrifood Production Research Centre & Inov4Agro, Biology Department, Faculty of Sciences of University of Porto, Rua Do Campo Alegre S/n, Porto, Portugal
| | - Inês Maria Valente
- REQUIMTE, LAQV, Institute of Biomedical Sciences Abel Salazar, University of Porto, Rua Jorge Viterbo Ferreira, 228, Porto, 4050-313, Portugal; REQUIMTE, LAQV, Chemistry and Biochemistry Department, Faculty of Sciences, University of Porto, Rua Do Campo Alegre 687, Porto, 4169-007, Portugal
| | - José António Rodrigues
- REQUIMTE, LAQV, Chemistry and Biochemistry Department, Faculty of Sciences, University of Porto, Rua Do Campo Alegre 687, Porto, 4169-007, Portugal
| | - Manuel Azenha
- CIQ-UP, Chemistry and Biochemistry Department, Faculty of Sciences, University of Porto, Rua Do Campo Alegre S/n, 4169-007, Porto, Portugal
| | - Cristiano Soares
- GreenUPorto - Sustainable Agrifood Production Research Centre & Inov4Agro, Biology Department, Faculty of Sciences of University of Porto, Rua Do Campo Alegre S/n, Porto, Portugal
| | - Ruth Pereira
- GreenUPorto - Sustainable Agrifood Production Research Centre & Inov4Agro, Biology Department, Faculty of Sciences of University of Porto, Rua Do Campo Alegre S/n, Porto, Portugal
| | - Fernanda Fidalgo
- GreenUPorto - Sustainable Agrifood Production Research Centre & Inov4Agro, Biology Department, Faculty of Sciences of University of Porto, Rua Do Campo Alegre S/n, Porto, Portugal
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Jośko I, Kusiak M, Sozoniuk M, Feculak M, Wu KCW, Fitzgerald M, Alyafei MS, Sheteiwy MS. Analysis of multiple biomarkers revealed the size matters of Cu particles for barley response under foliar exposure. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 918:170673. [PMID: 38316301 DOI: 10.1016/j.scitotenv.2024.170673] [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: 11/01/2023] [Revised: 01/17/2024] [Accepted: 02/02/2024] [Indexed: 02/07/2024]
Abstract
The impact of particle size of engineered nanoparticles (ENPs) on plant response has marginally been investigated under the foliar application so far. Concerning the significance of particle diameter for their properties and interaction with plants, the effect of size should be considered in the analysis of the effect of micronutrient-based ENPs on plants. It is of particular importance for ENPs containing Cu due to plants needing a relatively low amount of this element, thus there is a risk of overdosing during application as a fertilizer or pesticide. Here, we examined the biochemical and transcriptional response of barley (Hordeum vulgare L.) to Cu nanoparticles (nano-Cu) with different diameters (25 nm, 50 nm, 70 nm), microparticles (micro-Cu), and chelated Cu (EDTA-Cu). The plants suffering from Cu deficiency were foliar sprayed with Cu compounds at 1000 mg/L during the tillering stage. 1- and 7-day plants were analyzed in terms of biomass, Cu content, the activity of enzymes involved with antioxidant response, the content of low molecular weight compounds, and the expression of genes regulated metal homeostasis, aquaporins, and defense. The results showed that the Cu leaf level was differentiated over time and after 7 days it was higher under exposure to the smallest nano-Cu than other particulate Cu. Regardless of the duration of exposure, the Cu content was highest in plants treated with Cu-EDTA. The cluster analysis of all markers revealed a clear distinct response to the smallest nano-Cu and other particulate and ionic treatments. The bigger nano-Cu, depending on the markers, caused the medium effects between the nano-Cu 25 nm and micro-Cu and Cu-EDTA. The found size thresholds at the nanoscale will be useful for the fabrication of safe-by-design agrochemicals to provide crop security and attenuate environmental impact.
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Affiliation(s)
- Izabela Jośko
- Institute of Plant Genetics, Breeding and Biotechnology, Faculty of Agrobioengineering, University of Life Sciences, Lublin 20-950, Poland.
| | - Magdalena Kusiak
- Institute of Plant Genetics, Breeding and Biotechnology, Faculty of Agrobioengineering, University of Life Sciences, Lublin 20-950, Poland
| | - Magdalena Sozoniuk
- Institute of Plant Genetics, Breeding and Biotechnology, Faculty of Agrobioengineering, University of Life Sciences, Lublin 20-950, Poland
| | - Mikołaj Feculak
- Institute of Plant Genetics, Breeding and Biotechnology, Faculty of Agrobioengineering, University of Life Sciences, Lublin 20-950, Poland
| | - Kevin C-W Wu
- Department of Chemical Engineering, National Taiwan University, Taipei 10617, Taiwan; Center of Atomic Initiative for New Materials, National Taiwan University, Taipei 10617, Taiwan; Department of Chemical Engineering and Materials Science, Yuan Ze University, Chung-Li, Taoyuan 32003, Taiwan; Institute of Biomedical Engineering & Nanomedicine, National Health Research Institute, Keyan Road, Zhunan, Miaoli City 350, Taiwan
| | - Melissa Fitzgerald
- School of Agriculture and Food Sciences, The University of Queensland, Brisbane 4072, QLD, Australia
| | - Mohamed Salem Alyafei
- Department of Integrative Agriculture, College of Agriculture and Veterinary Medicine, United Arab Emirates University, P.O. Box 15551, Al Ain, Abu Dhabi, United Arab Emirates
| | - Mohamed Salah Sheteiwy
- Department of Integrative Agriculture, College of Agriculture and Veterinary Medicine, United Arab Emirates University, P.O. Box 15551, Al Ain, Abu Dhabi, United Arab Emirates; Department of Agronomy, Faculty of Agriculture, Mansoura University, Mansoura, 35516, Egypt
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27
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García-Locascio E, Valenzuela EI, Cervantes-Avilés P. Impact of seed priming with Selenium nanoparticles on germination and seedlings growth of tomato. Sci Rep 2024; 14:6726. [PMID: 38509209 PMCID: PMC10954673 DOI: 10.1038/s41598-024-57049-3] [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: 12/28/2023] [Accepted: 03/13/2024] [Indexed: 03/22/2024] Open
Abstract
Poor germination and seedlings growth can lead to significant economic losses for farmers, therefore, sustainable agricultural strategies to improve germination and early growth of crops are urgently needed. The objective of this work was to evaluate selenium nanoparticles (Se NPs) as nanopriming agents for tomato (Solanum lycopersicum) seeds germinated without stress conditions in both trays and Petri dishes. Germination quality, seedlings growth, synergism-antagonism of Se with other elements, and fate of Se NPs, were determined as function of different Se NPs concentrations (1, 10 and 50 ppm). Results indicated that the germination rate in Petri dishes improved with 10 ppm, while germination trays presented the best results at 1 ppm, increasing by 10 and 32.5%, respectively. Therefore, seedlings growth was measured only in germination trays. Proline content decreased up to 22.19% with 10 ppm, while for same treatment, the total antioxidant capacity (TAC) and total chlorophyll content increased up to 38.97% and 21.28%, respectively. Antagonisms between Se with Mg, K, Mn, Zn, Fe, Cu and Mo in the seed were confirmed. In the case of seedlings, the N content decreased as the Se content increased. Transmission Electron Microscopy (TEM) imaging confirmed that Se NPs surrounded the plastids of the seed cells. By this finding, it can be inferred that Se NPs can reach the embryo, which is supported by the antagonism of Se with important nutrients involved in embryogenesis, such as K, Mg and Fe, and resulted in a better germination quality. Moreover, the positive effect of Se NPs on total chlorophyll and TAC, and the negative correlation with proline content with Se content in the seed, can be explained by Se NPs interactions with proplastids and other organelles within the cells, resulting with the highest length and fresh weight when seeds were exposed to 1 ppm.
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Affiliation(s)
- Ezequiel García-Locascio
- Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Reserva Territorial Atlixcáyotl, CP 72453, Puebla, Pue, México
| | - Edgardo I Valenzuela
- Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Reserva Territorial Atlixcáyotl, CP 72453, Puebla, Pue, México
| | - Pabel Cervantes-Avilés
- Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Reserva Territorial Atlixcáyotl, CP 72453, Puebla, Pue, México.
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Rathore RS, Mishra M, Pareek A, Singla-Pareek SL. A glutathione-independent DJ-1/Pfp1 domain containing glyoxalase III, OsDJ-1C, functions in abiotic stress adaptation in rice. PLANTA 2024; 259:81. [PMID: 38438662 DOI: 10.1007/s00425-023-04315-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 12/19/2023] [Indexed: 03/06/2024]
Abstract
MAIN CONCLUSION Overexpression of OsDJ-1C in rice improves root architecture, photosynthesis, yield and abiotic stress tolerance through modulating methylglyoxal levels, antioxidant defense, and redox homeostasis. Exposure to abiotic stresses leads to elevated methylglyoxal (MG) levels in plants, impacting seed germination and root growth. In response, the activation of NADPH-dependent aldo-keto reductase and glutathione (GSH)-dependent glyoxalase enzymes helps to regulate MG levels and reduce its toxic effects. However, detoxification may not be carried out effectively due to the limitation of GSH and NADPH in plants under stress. Recently, a novel enzyme called glyoxalase III (GLY III) has been discovered which can detoxify MG in a single step without needing GSH. To understand the physiological importance of this pathway in rice, we overexpressed the gene encoding GLYIII enzyme (OsDJ-1C) in rice. It was observed that OsDJ-1C overexpression in rice regulated MG levels under stress conditions thus, linked well with plants' abiotic stress tolerance potential. The OsDJ-1C overexpression lines displayed better root architecture, improved photosynthesis, and reduced yield penalty compared to the WT plants under salinity, and drought stress conditions. These plants demonstrated an improved GSH/GSSG ratio, reduced level of reactive oxygen species, increased antioxidant capacity, and higher anti-glycation activity thereby indicating that the GLYIII mediated MG detoxification plays a significant role in plants' ability to reduce the impact of abiotic stress. Furthermore, these findings imply the potential of OsDJ-1C in crop improvement programs.
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Affiliation(s)
- Ray Singh Rathore
- Plant Stress Biology, International Centre for Genetic Engineering and Biotechnology, New Delhi, 110067, India
| | - Manjari Mishra
- Plant Stress Biology, International Centre for Genetic Engineering and Biotechnology, New Delhi, 110067, India
| | - Ashwani Pareek
- Stress Physiology and Molecular Biology Laboratory, School of Life Sciences, Jawaharlal Nehru University, New Delhi, 110067, India
| | - Sneh Lata Singla-Pareek
- Plant Stress Biology, International Centre for Genetic Engineering and Biotechnology, New Delhi, 110067, India.
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29
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Eceiza MV, Jimenez-Martinez C, Gil-Monreal M, Barco-Antoñanzas M, Font-Farre M, Huybrechts M, van der Hoorn RL, Cuypers A, Royuela M, Zabalza A. Role of glutathione S-transferases in the mode of action of herbicides that inhibit amino acid synthesis in Amaranthus palmeri. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 208:108506. [PMID: 38461753 DOI: 10.1016/j.plaphy.2024.108506] [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: 11/23/2023] [Revised: 02/29/2024] [Accepted: 03/04/2024] [Indexed: 03/12/2024]
Abstract
Acetolactate synthase inhibitors (ALS inhibitors) and glyphosate are two classes of herbicides that act by inhibiting an enzyme in the biosynthetic pathway of branched-chain or aromatic amino acids, respectively. Besides amino acid synthesis inhibition, both herbicides trigger similar physiological effects in plants. The main aim of this study was to evaluate the role of glutathione metabolism, with special emphasis on glutathione S-transferases (GSTs), in the mode of action of glyphosate and ALS inhibitors in Amaranthus palmeri. For that purpose, plants belonging to a glyphosate-sensitive (GLS) and a glyphosate-resistant (GLR) population were treated with different doses of glyphosate, and plants belonging to an ALS-inhibitor sensitive (AIS) and an ALS-inhibitor resistant (AIR) population were treated with different doses of the ALS inhibitor nicosulfuron. Glutathione-related contents, GST activity, and related gene expressions (glutamate-cysteine ligase, glutathione reductase, Phi GST and Tau GST) were analysed in leaves. According to the results of the analytical determinations, there were virtually no basal differences between GLS and GLR plants or between AIS and AIR plants. Glutathione synthesis and turnover did not follow a clear pattern in response to herbicides, but GST activity and gene expression (especially Phi GSTs) increased with both herbicides in treated sensitive plants, possibly related to the rocketing H2O2 accumulation. As GSTs offered the clearest results, these were further investigated with a multiple resistant (MR) population, compressing target-site resistance to both glyphosate and the ALS inhibitor pyrithiobac. As in single-resistant plants, measured parameters in the MR population were unaffected by herbicides, meaning that the increase in GST activity and expression occurs due to herbicide interactions with the target enzymes.
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Affiliation(s)
- Mikel V Eceiza
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Universidad Pública de Navarra (UPNA), Campus de Arrosadia, Pamplona, Spain
| | - Clara Jimenez-Martinez
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Universidad Pública de Navarra (UPNA), Campus de Arrosadia, Pamplona, Spain
| | - Miriam Gil-Monreal
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Universidad Pública de Navarra (UPNA), Campus de Arrosadia, Pamplona, Spain
| | - María Barco-Antoñanzas
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Universidad Pública de Navarra (UPNA), Campus de Arrosadia, Pamplona, Spain
| | - Maria Font-Farre
- The Plant Chemetics Laboratory, Department of Biology Sciences, University of Oxford, Oxford, UK
| | - Michiel Huybrechts
- Environmental Biology, Centre for Environmental Sciences, Hasselt University, B-3590, Diepenbeek, Belgium
| | - RenierA L van der Hoorn
- The Plant Chemetics Laboratory, Department of Biology Sciences, University of Oxford, Oxford, UK
| | - Ann Cuypers
- Environmental Biology, Centre for Environmental Sciences, Hasselt University, B-3590, Diepenbeek, Belgium
| | - Mercedes Royuela
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Universidad Pública de Navarra (UPNA), Campus de Arrosadia, Pamplona, Spain
| | - Ana Zabalza
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Universidad Pública de Navarra (UPNA), Campus de Arrosadia, Pamplona, Spain.
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Kumar S, Wang S, Wang M, Zeb S, Khan MN, Chen Y, Zhu G, Zhu Z. Enhancement of sweetpotato tolerance to chromium stress through melatonin and glutathione: Insights into photosynthetic efficiency, oxidative defense, and growth parameters. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 208:108509. [PMID: 38461751 DOI: 10.1016/j.plaphy.2024.108509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 03/05/2024] [Accepted: 03/06/2024] [Indexed: 03/12/2024]
Abstract
Melatonin (MT) and reduced glutathione (GSH) roles in mitigating chromium (Cr) toxicity in sweetpotato were explored. Plants, pre-treated with varying MT and GSH doses, were exposed to Cr (40 μM). Cr severely hampered growth by disrupting leaf photosynthesis, root system, and oxidative processes and increased Cr absorption. However, the exogenous application of 1 μM of MT and 2 mM of GSH substantially improved growth parameters by enhancing chlorophyll content, gas exchange (Pn, Tr, Gs, and Ci), and chlorophyll fluorescence (Fv/Fm, ETR, qP, and Y(II)). Furthermore, malondialdehyde (MDA), hydrogen peroxide (H2O2), superoxide ion (O2•-), electrolyte leakage (EL), and Cr uptake by roots (21.6 and 27.3%) and its translocation to shoots were markedly reduced by MT and GSH application, protecting the cell membrane from oxidative damage of Cr-toxicity. Microscopic analysis demonstrated that MT and GSH maintained chloroplast structure and integrity of mesophyll cells; they also enhanced stomatal length, width, and density, strengthening the photosynthetic system and plant growth and biomass. MT and GSH improved osmo-protectants (proline and soluble sugars), gene expression, and enzymatic and non-enzymatic antioxidant activities, mitigating osmotic stress and strengthening plant defenses under Cr stress. Importantly, the efficiency of GSH pre-treatment in reducing Cr-toxicity surpassed that of MT. The findings indicate that MT and GSH alleviate Cr detrimental effects by enhancing photosynthetic organ stability, component accumulation, and resistance to oxidative stress. This study is a valuable resource for plants confronting Cr stress in contaminated soils, but further field validation and detailed molecular exploration are necessary.
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Affiliation(s)
- Sunjeet Kumar
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, 572025, China; Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, Hainan University, Haikou, 570228, China
| | - Shihai Wang
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, 572025, China; Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, Hainan University, Haikou, 570228, China
| | - Mengzhao Wang
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, 572025, China; Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, Hainan University, Haikou, 570228, China
| | - Shah Zeb
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, 572025, China; Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, Hainan University, Haikou, 570228, China
| | - Mohammad Nauman Khan
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, 572025, China
| | - Yanli Chen
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, 572025, China; Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, Hainan University, Haikou, 570228, China
| | - Guopeng Zhu
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, 572025, China; Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, Hainan University, Haikou, 570228, China.
| | - Zhixin Zhu
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, 572025, China; Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, Hainan University, Haikou, 570228, China.
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Calzone A, Baldoni E, Cabassi G, Toscani G, Gasparini A, Casaletta E, Picchi V. Sewage sludge amendment of rice as a potential alternative to mineral fertilizer: Analyses of physiological, biochemical and molecular mechanisms of plant response. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 208:108527. [PMID: 38484682 DOI: 10.1016/j.plaphy.2024.108527] [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: 10/18/2023] [Revised: 03/01/2024] [Accepted: 03/11/2024] [Indexed: 04/02/2024]
Abstract
Sewage sludge (SS) disposal poses environmental concerns, yet its organic matter, macro- and micronutrients, make it potentially beneficial for enhancing soil quality and crop yield. This study focuses on three types of SS: "R10" (SS1), which is commonly used in agricultural practices, and two environmentally friendlier options (SS2 and SS3), as alternatives to mineral fertilizer (urea) for rice cultivation. A pot experiment was conducted to investigate the ecophysiological, biochemical, and molecular responses of rice at three different growth stages. SS application led to a significant increase in biomass production (particularly SS3), along with increased nitrogen (N) levels. Enhanced chlorophyll content was observed in SS-treated plants, especially during inflorescence emergence (with the highest content in SS3 plants). At the ecophysiological and biochemical levels, SS treatments did not adversely affect plant health, as evidenced by unchanged values of maximal PSII photochemical efficiency and malondialdehyde by-products. At biochemical and gene expression levels, antioxidant enzyme activities showed transient variations, likely related to physiological adjustments rather than oxidative stress. Ascorbic acid and glutathione did not significantly vary. This study concludes that the use of SS in soil can be a viable alternative fertilizer for rice plants, with positive effects on biomass, chlorophyll content, and no adverse effects on plant health. Among the tested SSs, SS3 showed the most positive effect, even compared to commercial fertilizer. These results suggest that SS application could improve rice yield while addressing environmental concerns surrounding SS disposal.
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Affiliation(s)
- Antonella Calzone
- CREA Research Centre for Engineering and Agro-Food Processing, via G. Venezian 26, 20133, Milano, Italy
| | - Elena Baldoni
- National Research Council (CNR), Institute of Agricultural Biology and Biotechnology (IBBA), via E. Bassini 15, 20133, Milano, Italy
| | - Giovanni Cabassi
- CREA Research Centre for Animal Production and Aquaculture, viale Piacenza 29, 26900, Lodi, Italy
| | - Giada Toscani
- CREA Research Centre for Animal Production and Aquaculture, viale Piacenza 29, 26900, Lodi, Italy
| | - Andrea Gasparini
- CREA Research Centre for Animal Production and Aquaculture, viale Piacenza 29, 26900, Lodi, Italy
| | - Elisa Casaletta
- Agromatrici Srl-Gruppo Fratelli Visconti, Strada Vicinale della Bellaria snc, 27020, Tromello (PV), Italy
| | - Valentina Picchi
- CREA Research Centre for Engineering and Agro-Food Processing, via G. Venezian 26, 20133, Milano, Italy.
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Wang Y, Zhang Y, Fan J, Li H, Chen Q, Yin H, Qi K, Xie Z, Zhu N, Sun X, Zhang S. Physiological and autophagy evaluation of different pear varieties (Pyrus spp.) in response to Botryosphaeria dothidea infection. TREE PHYSIOLOGY 2024; 44:tpad139. [PMID: 38051648 DOI: 10.1093/treephys/tpad139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 11/15/2023] [Accepted: 11/28/2023] [Indexed: 12/07/2023]
Abstract
Ring rot disease is one of the most common diseases in pear orchards. To better understand the physiology, biochemistry and autophagic changes of different pear varieties after Botryosphaeria dothidea (B.dothidea) infection, we evaluated eight different pear varieties for B. dothidea resistance. The susceptible varieties had larger spot diameters, lower chlorophyll contents and higher malondialdehyde contents than the resistant varieties. In disease-resistant varieties, reactive oxygen species (ROS) levels were relatively lower, while the ROS metabolism (antioxidant enzyme activities and the ascorbic acid-glutathione cycle) was also maintained at higher levels, and it induced a significant upregulation of related gene expression. In addition, autophagy, as an important evaluation index, was found to have more autophagic activity in disease-resistant varieties than in susceptible varieties, suggesting that pathogen infestation drives plants to increase autophagy to defend against pathogens. In summary, the results of this study reveal that different resistant pear varieties enhance plant resistance to the disease through a series of physio-biochemical changes and autophagic activity after inoculation with B. dothidea. This study provides clear physiological and biochemical traits for pear disease resistance selection, potential genetic resources and material basis for pear disease control and disease resistance, breeding and points out the direction for research on the mechanism of pear resistance to B. dothidea.
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Affiliation(s)
- Yun Wang
- Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, 1 Weigang, Xuanwu District, Nanjing 210095, China
| | - Ye Zhang
- Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, 1 Weigang, Xuanwu District, Nanjing 210095, China
| | - Jiaqi Fan
- Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, 1 Weigang, Xuanwu District, Nanjing 210095, China
| | - Hongxiang Li
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Sanya institute of Nanjing Agricultural University, Nanjing Agricultural University, 1 Weigang, Xuanwu Distric, Nanjing 210095, China
| | - Qiming Chen
- Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, 1 Weigang, Xuanwu District, Nanjing 210095, China
| | - Hao Yin
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Sanya institute of Nanjing Agricultural University, Nanjing Agricultural University, 1 Weigang, Xuanwu Distric, Nanjing 210095, China
| | - Kaijie Qi
- Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, 1 Weigang, Xuanwu District, Nanjing 210095, China
| | - Zhihua Xie
- Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, 1 Weigang, Xuanwu District, Nanjing 210095, China
| | - Nan Zhu
- Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, 1 Weigang, Xuanwu District, Nanjing 210095, China
| | - Xun Sun
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Sanya institute of Nanjing Agricultural University, Nanjing Agricultural University, 1 Weigang, Xuanwu Distric, Nanjing 210095, China
| | - Shaoling Zhang
- Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, 1 Weigang, Xuanwu District, Nanjing 210095, China
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Sanya institute of Nanjing Agricultural University, Nanjing Agricultural University, 1 Weigang, Xuanwu Distric, Nanjing 210095, China
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Yemelyanov VV, Prikaziuk EG, Lastochkin VV, Aresheva OM, Chirkova TV. Ascorbate-glutathione cycle in wheat and rice seedlings under anoxia and subsequent reaeration. Vavilovskii Zhurnal Genet Selektsii 2024; 28:44-54. [PMID: 38465246 PMCID: PMC10917661 DOI: 10.18699/vjgb-24-06] [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: 08/18/2023] [Revised: 10/27/2023] [Accepted: 10/28/2023] [Indexed: 03/12/2024] Open
Abstract
The most important part of the plant antioxidant system is the ascorbate-glutathione cycle (AGC), the activity of which is observed upon exposure to a range of stressors, including lack of O2, and oxidative stress occurring immediately after the restoration of oxygen access, hereafter termed reaeration or post-anoxia. The operation of the AGC (enzymes and low-molecular components) in wheat (Triticum aestivum, cv. Leningradka, non-resistant to hypoxia) and rice (Oryza sativa, cv. Liman, resistant) seedlings after 24 h anoxia and 1 h or 24 h reaeration was studied. Significant accumulation of oxidized forms of ascorbate and glutathione was revealed in the non-resistant plant (wheat) after 24 h of anoxia and reaeration, indicating the development of oxidative stress. In the resistant plant (rice), reduced forms of these antioxidants prevailed both in normoxia and under stress, which may indicate their intensive reduction. In wheat, the activities of ascorbate peroxidase and dehydroascorbate reductase in shoots, and monodehydroascorbate reductase and glutathione reductase in roots decreased under anoxia and reaeration. The activity of antioxidant enzymes was maintained in rice under lack of oxygen (ascorbate peroxidase, glutathione reductase) and increased during post-anoxia (AGC reductases). Anoxia stimulated accumulation of mRNA of the organellar ascorbate peroxidase genes OsAPX3, OsAPX5 in shoots, and OsAPX3-5 and OsAPX7 in roots. At post-anoxia, the contribution of the OsAPX1 and OsAPX2 genes encoding the cytosolic forms of the enzyme increased in the whole plant, and so did that of the OsAPX8 gene for the plastid form of the enzyme. The accumulation of mRNA of the genes OsMDAR2 and OsMDAR4 encoding peroxisomal and cytosolic monodehydroascorbate reductase as well as the OsGR2 and OsGR3 for cytosolic and organellar glutathione reductase was activated during reaeration in shoots and roots. In most cases, O2 deficiency activated the genes encoding the peroxisomal, plastid, and mitochondrial forms of the enzymes, and upon reaeration, an enhanced activity of the genes encoding the cytoplasmic forms was observed. Taken together, the inactivation of AGC enzymes was revealed in wheat seedlings during anoxia and subsequent reaeration, which disrupted the effective operation of the cycle and triggered the accumulation of oxidized forms of ascorbate and glutathione. In rice, anoxia led to the maintenance of the activity of AGC enzymes, and reaeration stimulated it, including at the level of gene expression, which ensured the effective operation of AGC.
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Affiliation(s)
- V V Yemelyanov
- Department of Genetics and Biotechnology, Faculty of Biology, Saint Petersburg State University, St. Petersburg, Russia Department of Plant Physiology and Biochemistry, Faculty of Biology, Saint Petersburg State University, St. Petersburg, Russia
| | - E G Prikaziuk
- Department of Plant Physiology and Biochemistry, Faculty of Biology, Saint Petersburg State University, St. Petersburg, Russia Department of Water Resources, ITC Faculty of Geo-Information Science and Earth Observation, University of Twente, Enschede, the Netherlands
| | - V V Lastochkin
- Department of Plant Physiology and Biochemistry, Faculty of Biology, Saint Petersburg State University, St. Petersburg, Russia
| | - O M Aresheva
- Department of Plant Physiology and Biochemistry, Faculty of Biology, Saint Petersburg State University, St. Petersburg, Russia
| | - T V Chirkova
- Department of Plant Physiology and Biochemistry, Faculty of Biology, Saint Petersburg State University, St. Petersburg, Russia
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Mohamed WA, Hassanen EI, Mansour HA, Ibrahim MA, Azouz RA, Mahmoud MA. Novel insights on the probable mechanism associated with histamine oral model-inducing neuropathological and behavioral toxicity in rats. J Biochem Mol Toxicol 2024; 38:e23653. [PMID: 38348711 DOI: 10.1002/jbt.23653] [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: 03/16/2023] [Revised: 11/29/2023] [Accepted: 01/11/2024] [Indexed: 02/15/2024]
Abstract
Histamine (HIS) is an important chemical mediator that causes vasodilation and contributes to anaphylactic reactions. Recently, HIS is an understudied neurotransmitter in the central nervous system, and its potential role in neuroinflammation and neurodegeneration is a critical area of research. So, the study's goal is to investigate the consequences of repeated oral intake of HIS on the rat's brain and explore the mechanistic way of its neurotoxicity. Thirty male rats were divided into three groups (n = 10). The following treatments were administered orally to all rats every day for 14 days. Group (1) was given distilled water, whereas groups (2 & 3) were given HIS at dosage levels 250 and 500 mg/kg body weight (BWT), respectively. Brain tissue samples were collected at 7- and 14-days from the beginning of the experiment. Our results revealed that continuous oral administration of HIS at both doses for 14 days significantly reduced the BWT and induced severe neurobehavioral changes, including depression, dullness, lethargy, tremors, abnormal walking, and loss of spatial learning and memory in rats. In all HIS receiving groups, HPLC data showed a considerable raise in the HIS contents of the brain. Additionally, the daily consumption of HIS causes oxidative stress that is dose- and time-dependent which is characterized by elevation of malondialdehyde levels along with reduction of catalase activity and reduced glutathione levels. The neuropathological lesions were commonly observed in the cerebrum, striatum, and cerebellum and confirmed by the immunohistochemistry staining that demonstrating moderate to strong caspase-3 and inducible nitric oxide synthase expressions in all HIS receiving groups, mainly those receiving 500 mg/kg HIS. NF-κB, TNF-α, and IL-1β gene levels were also upregulated at 7- and 14-days in all HIS groups, particularly in those getting 500 mg/kg. We concluded that ROS-induced apoptosis and inflammation was the essential mechanism involved in HIS-mediated neurobehavioral toxicity and histopathology.
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Affiliation(s)
- Wafaa A Mohamed
- Department of Pathology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Eman I Hassanen
- Department of Pathology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Hayam A Mansour
- Department of Food Hygiene and Control, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Marwa A Ibrahim
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Rehab A Azouz
- Department of Toxicology and Forensic Medicine, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Mahmoud A Mahmoud
- Department of Pathology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
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Kumar S, Liu Y, Wang M, Khan MN, Wang S, Li Y, Chen Y, Zhu G. Alleviating sweetpotato salt tolerance through exogenous glutathione and melatonin: A profound mechanism for active oxygen detoxification and preservation of photosynthetic organs. CHEMOSPHERE 2024; 350:141120. [PMID: 38199502 DOI: 10.1016/j.chemosphere.2024.141120] [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: 10/16/2023] [Revised: 12/25/2023] [Accepted: 01/03/2024] [Indexed: 01/12/2024]
Abstract
Salt stress profoundly impacts sweetpotato production. Exogenous glutathione (GSH) and melatonin (MT) promoted plant growth under stress, but their specific roles and mechanisms in sweetpotato salt tolerance need exploration. This study investigated GSH and MT's regulatory mechanisms in sweetpotato under salt stress. Salt stress significantly reduces both growth and biomass by hindering photosynthesis, root traits, K+ content, and K+/Na+ balance, leading to oxidative stress and excessive hydrogen peroxide (H2O2), superoxide ion (O2•-), and malondialdehyde (MDA) production and Na+ accumulation. Nevertheless, GSH (2 mM) and MT (25 μM) pre-treatments effectively mitigated salt-induced oxidative damage and protected the plasma membrane. They reduced osmotic pressure by enhancing K+ uptake, K+/Na+ regulation, osmolyte accumulation, and reducing Na+ accumulation. Improved stomatal traits, chloroplast and grana lamella preservation, and maintenance of mesophyll cells, cell wall, and mitochondrial structure were observed with GSH and MT pre-treatments under salt stress, therefore boosting the photosynthetic system and enhancing plant growth and biomass. Moreover, the findings also indicate that the positive outcomes of GSH and MT pre-treatments result from elevated antioxidant levels, enhanced enzymatic activity, and upregulated expression of sodium hydrogen exchanger 2 (NHX2), K+transporter 1 (AKT1), and cation/H+exchanger (CHX), CBL-interacting protein kinase 1 (CIPK1), and antioxidant enzyme genes. These mechanisms enhance structural stability in photosynthesis and reduce salt stress. Evidently, MT pre-treatment exhibited superior effects compared to GSH. These findings provide a firm theoretical basis for employing GSH and MT to enhance salt tolerance in sweetpotato cultivation.
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Affiliation(s)
- Sunjeet Kumar
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, 572025, China; Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, Hainan University, Haikou, 570228, China
| | - Yang Liu
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, 572025, China; Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, Hainan University, Haikou, 570228, China
| | - Mengzhao Wang
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, 572025, China; Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, Hainan University, Haikou, 570228, China
| | - Mohammad Nauman Khan
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, 572025, China
| | - Shihai Wang
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, 572025, China; Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, Hainan University, Haikou, 570228, China
| | - Yongping Li
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, 572025, China; Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, Hainan University, Haikou, 570228, China
| | - Yanli Chen
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, 572025, China; Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, Hainan University, Haikou, 570228, China.
| | - Guopeng Zhu
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, 572025, China; Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, Hainan University, Haikou, 570228, China.
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Hernández-Lao T, Tienda-Parrilla M, Labella-Ortega M, Guerrero-Sánchez VM, Rey MD, Jorrín-Novo JV, Castillejo-Sánchez MÁ. Proteomic and Metabolomic Analysis of the Quercus ilex-Phytophthora cinnamomi Pathosystem Reveals a Population-Specific Response, Independent of Co-Occurrence of Drought. Biomolecules 2024; 14:160. [PMID: 38397397 PMCID: PMC10887186 DOI: 10.3390/biom14020160] [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: 11/16/2023] [Revised: 01/18/2024] [Accepted: 01/25/2024] [Indexed: 02/25/2024] Open
Abstract
Holm oak (Quercus ilex) is considered to be one of the major structural elements of Mediterranean forests and the agrosilvopastoral Spanish "dehesa", making it an outstanding example of ecological and socioeconomic sustainability in forest ecosystems. The exotic Phytophthora cinnamomi is one of the most aggressive pathogens of woody species and, together with drought, is considered to be one of the main drivers of holm oak decline. The effect of and response to P. cinnamomi inoculation were studied in the offspring of mother trees from two Andalusian populations, Cordoba and Huelva. At the two locations, acorns collected from both symptomatic (damaged) and asymptomatic (apparently healthy) trees were sampled. Damage symptoms, mortality, and chlorophyll fluorescence were evaluated in seedlings inoculated under humid and drought conditions. The effect and response depended on the population and were more apparent in Huelva than in Cordoba. An integrated proteomic and metabolomic analysis revealed the involvement of different metabolic pathways in response to the pathogen in both populations, including amino acid metabolism pathways in Huelva, and terpenoid and flavonoid biosynthesis in Cordoba. However, no differential response was observed between seedlings inoculated under humid and drought conditions. A protective mechanism of the photosynthetic apparatus was activated in response to defective photosynthetic activity in inoculated plants, which seemed to be more efficient in the Cordoba population. In addition, enzymes and metabolites of the phenylpropanoid and flavonoid biosynthesis pathways may have conferred higher resistance in the Cordoba population. Some enzymes are proposed as markers of resilience, among which glyoxalase I, glutathione reductase, thioredoxin reductase, and cinnamyl alcohol dehydrogenase are candidates.
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Affiliation(s)
| | | | | | | | | | - Jesús V. Jorrín-Novo
- Agroforestry and Plant Biochemistry, Proteomics and Systems Biology, Department of Biochemistry and Molecular Biology, University of Cordoba, UCO-CeiA3, 14014 Cordoba, Spain; (T.H.-L.); (M.T.-P.); (M.L.-O.); (V.M.G.-S.); (M.-D.R.)
| | - María Ángeles Castillejo-Sánchez
- Agroforestry and Plant Biochemistry, Proteomics and Systems Biology, Department of Biochemistry and Molecular Biology, University of Cordoba, UCO-CeiA3, 14014 Cordoba, Spain; (T.H.-L.); (M.T.-P.); (M.L.-O.); (V.M.G.-S.); (M.-D.R.)
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Dubas E, Krzewska M, Surówka E, Kopeć P, Springer A, Janowiak F, Weigt D, Mikołajczyk SK, Telk A, Żur I. New Prospects for Improving Microspore Embryogenesis Induction in Highly Recalcitrant Winter Wheat Lines. PLANTS (BASEL, SWITZERLAND) 2024; 13:363. [PMID: 38337896 PMCID: PMC10857491 DOI: 10.3390/plants13030363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 01/02/2024] [Accepted: 01/23/2024] [Indexed: 02/12/2024]
Abstract
Among various methods stimulating biological progress, double haploid (DH) technology, which utilizes the process of microspore embryogenesis (ME), is potentially the most effective. However, the process depends on complex interactions between many genetic, physiological and environmental variables, and in many cases, e.g., winter wheat, does not operate with the efficiency required for commercial use. Stress associated with low-temperature treatment, isolation and transfer to in vitro culture has been shown to disturb redox homeostasis and generate relatively high levels of reactive oxygen species (ROS), affecting microspore vitality. The aim of this study was to investigate whether controlled plant growth, specific tiller pre-treatment and culture conditions could improve the potential of microspores to cope with stress and effectively induce ME. To understand the mechanism of the stress response, hydrogen peroxide levels, total activity and the content of the most important low-molecular-weight antioxidants (glutathione and ascorbate), as well as the content of selected macro- (Mg, Ca, NA, K) and micronutrients (Mn, Zn, Fe, Cu, Mo) were determined. These analyses, combined with the cytological characteristics of the microspore suspensions, allowed us to demonstrate that an increased microspore vitality and stronger response to ME induction were associated with higher stress resistance based on more efficient ROS scavenging and nutrient management. It was shown that a modified procedure, combining a low temperature with mannitol and sodium selenate tiller pre-treatment, reduced oxidative stress and improved the effectiveness of ME in winter wheat lines.
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Affiliation(s)
- Ewa Dubas
- The Franciszek Górski Institute of Plant Physiology Polish Academy of Sciences, Niezapominajek 21, 30-239 Kraków, Poland; (E.D.); (M.K.); (E.S.); (P.K.); (A.S.); (F.J.)
| | - Monika Krzewska
- The Franciszek Górski Institute of Plant Physiology Polish Academy of Sciences, Niezapominajek 21, 30-239 Kraków, Poland; (E.D.); (M.K.); (E.S.); (P.K.); (A.S.); (F.J.)
| | - Ewa Surówka
- The Franciszek Górski Institute of Plant Physiology Polish Academy of Sciences, Niezapominajek 21, 30-239 Kraków, Poland; (E.D.); (M.K.); (E.S.); (P.K.); (A.S.); (F.J.)
| | - Przemysław Kopeć
- The Franciszek Górski Institute of Plant Physiology Polish Academy of Sciences, Niezapominajek 21, 30-239 Kraków, Poland; (E.D.); (M.K.); (E.S.); (P.K.); (A.S.); (F.J.)
| | - Agnieszka Springer
- The Franciszek Górski Institute of Plant Physiology Polish Academy of Sciences, Niezapominajek 21, 30-239 Kraków, Poland; (E.D.); (M.K.); (E.S.); (P.K.); (A.S.); (F.J.)
| | - Franciszek Janowiak
- The Franciszek Górski Institute of Plant Physiology Polish Academy of Sciences, Niezapominajek 21, 30-239 Kraków, Poland; (E.D.); (M.K.); (E.S.); (P.K.); (A.S.); (F.J.)
| | - Dorota Weigt
- Department of Genetics and Plant Breeding, Poznań University of Life Sciences, 11 Dojazd St., 60-632 Poznań, Poland; (D.W.); (S.K.M.)
| | - Sylwia Katarzyna Mikołajczyk
- Department of Genetics and Plant Breeding, Poznań University of Life Sciences, 11 Dojazd St., 60-632 Poznań, Poland; (D.W.); (S.K.M.)
| | - Anna Telk
- Department of Analytical Chemistry, Faculty of Chemistry, Jagiellonian University in Kraków, Gronostajowa 2, 30-387 Kraków, Poland;
| | - Iwona Żur
- The Franciszek Górski Institute of Plant Physiology Polish Academy of Sciences, Niezapominajek 21, 30-239 Kraków, Poland; (E.D.); (M.K.); (E.S.); (P.K.); (A.S.); (F.J.)
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Sikandar A, Wu F, He H, Ullah RMK, Wu H. Growth, Physiological, and Biochemical Variations in Tomatoes after Infection with Different Density Levels of Meloidogyne enterolobii. PLANTS (BASEL, SWITZERLAND) 2024; 13:293. [PMID: 38256846 PMCID: PMC10819788 DOI: 10.3390/plants13020293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 01/13/2024] [Accepted: 01/15/2024] [Indexed: 01/24/2024]
Abstract
Meloidogyne enterolobii is an extremely important plant parasitic nematode. Tomato (Solanum lycopersicum) is an essential worldwide vegetable, and M. enterolobii poses a major threat to its production. The present research investigated the effects of different levels of inoculum density of M. enterolobii (100, 500, 1000, 1500, and 2000 second-stage juveniles (J2s)/plant) on tomato growth, physiological, and biochemical changes at 7, 14, 21, and 28 days post-inoculation (dpi). The negative impact of M. enterolobii on plants gradually increased when the inoculum level increased. Therefore, M. enterolobii population densities (500-2000 J2s/plant) significantly (p < 0.05) reduced plant growth, photosynthetic pigmentation, gas exchange, and chlorophyll fluorescence compared to control plants, while the low population density (100 J2s/plant) showed very little influence. Furthermore, plants with the highest M. enterolobii inoculum (2000 J2s/plant) exhibited a greater number of egg masses and galls. The inoculum densities of M. enterolobii exhibited a notable correlation with the significant elevation of both malondialdehyde (MDA) and hydrogen peroxide (H2O2) levels, which are recognized as very detrimental stresses in plants. Similarly, a rise in the activity of several defensive antioxidant enzymes, namely superoxide dismutase (SOD), catalase (CAT), and peroxidase (POD), indicates the defensive mechanism used to combat the oxidative destruction produced by M. enterolobii. The specific activity of glutathione (GSH) and ascorbate (ASA) increased as potent antioxidant defense molecules in response to induced oxidative damage. In addition, our findings also demonstrated that the highest population density (2000 J2s/plant) increased the secondary metabolites responsible for scavenging oxidative stress in the plants. However, further research is required to explore the underlying reasons for this phenomenon and to develop efficient chemical or biocontrol strategies for managing M. enterolobii.
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Affiliation(s)
| | | | | | | | - Haiyan Wu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi Key Laboratory of Agric-Environment and Agric-Products Safety, College of Agriculture, Guangxi University, Nanning 530004, China; (F.W.); (H.H.); (R.M.K.U.)
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Lin J, Chi L, Yuan Q, Li B, Feng M. Photodegradation of typical pharmaceuticals changes toxicity to algae in estuarine water: A metabolomic insight. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 908:168338. [PMID: 37931817 DOI: 10.1016/j.scitotenv.2023.168338] [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: 06/21/2023] [Revised: 10/31/2023] [Accepted: 11/03/2023] [Indexed: 11/08/2023]
Abstract
The ubiquitous existence of various pharmaceuticals in the marine environment has received global attention for their risk assessment. However, rather little is known thus far regarding the natural attenuation (e.g., photolysis)-induced product/mixture toxicity of these pharmaceuticals on marine organisms. In this study, the photodegradation behavior, product formation, and risks of two representative pharmaceuticals (i.e., ciprofloxacin, CIP; diclofenac, DCF) were explored in the simulated estuary water. It was noted that both pharmaceuticals can be completely photolyzed within 1 h, and five products of CIP and three products of DCF were identified by a high-resolution liquid chromatography-mass spectrometer. Accordingly, their photodecomposition pathways were tentatively proposed. The in silico prediction suggested that the formed transformation products maintained the persistence, bioaccumulation potential, and multi-endpoint toxic effects such as genotoxicity, developmental toxicity, and acute/chronic toxicity on different aquatic species. Particularly, the non-targeted metabolomics first elucidated that DCF and its photolytic mixtures can significantly affect the antioxidant status of marine algae (Heterosigma akashiwo), triggering oxidative stress and damage to cellular components. It is very alarming that the complete photolyzed DCF sample induced more serious oxidative stress than DCF itself, which called for more concern about the photolysis-driven ecological risks. Overall, this investigation first uncovered the overlooked but serious toxicity of the transformation products of prevalent pharmaceuticals during natural attenuation on marine species.
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Affiliation(s)
- Jiang Lin
- College of the Environment & Ecology, Xiamen University, Xiamen 361100, China
| | - Lianbao Chi
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Qing Yuan
- China United Engineering Corporation Limited, Hangzhou 310052, China
| | - Busu Li
- Laoshan Laboratory, Qingdao 266237, China.
| | - Mingbao Feng
- College of the Environment & Ecology, Xiamen University, Xiamen 361100, China
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40
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Yang H, Wu Y, Che J, Wu W, Lyu L, Li W. LC-MS and GC-MS Metabolomics Analyses Revealed That Different Exogenous Substances Improved the Quality of Blueberry Fruits under Soil Cadmium Toxicity. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:904-915. [PMID: 38112527 DOI: 10.1021/acs.jafc.3c05879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Abstract
Exogenous substances (ESs) can regulate plant growth and respond to environmental stress, but the effects of different ESs on blueberry fruit quality under soil cadmium (Cd) toxicity and related metabolic mechanisms are still unclear. In this study, four ES treatments [salicylic acid (SA), spermidine (Spd), 2,4-epibrassinolide (EBR), and melatonin (MT)] significantly increased blueberry fruit size, single-fruit weight, sweetness, and anthocyanin content under soil Cd toxicity and effectively reduced fruit Cd content to safe consumption levels by promoting mineral uptake (Ca, Mg, Mn, Cu and Zn). Furthermore, a total of 445, 360, 429, and 554 differentially abundant metabolites (DAMs) (LC-MS) and 63, 48, 79, and 73 DAMs (GC-MS) were identified from four comparison groups (SA/CK, Spd/CK, EBR/CK and MT/CK), respectively. The analyses revealed that ESs improved blueberry fruit quality and tolerance to Cd toxicity mainly by regulating the changes in metabolites related to ABC transporters, the TCA cycle, flavonoid biosynthesis, and phenylpropanoid biosynthesis.
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Affiliation(s)
- Hao Yang
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing 210037, China
| | - Yaqiong Wu
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-sen), Nanjing 210014, China
| | - Jilu Che
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing 210037, China
| | - Wenlong Wu
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-sen), Nanjing 210014, China
| | - Lianfei Lyu
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-sen), Nanjing 210014, China
| | - Weilin Li
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing 210037, China
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Zhao X, Tian L, Zhu Z, Sang Z, Ma L, Jia Z. Growth and Physiological Responses of Magnoliaceae to NaCl Stress. PLANTS (BASEL, SWITZERLAND) 2024; 13:170. [PMID: 38256724 PMCID: PMC10818768 DOI: 10.3390/plants13020170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/22/2023] [Accepted: 01/04/2024] [Indexed: 01/24/2024]
Abstract
The growth and physiological characteristics of four Magnoliaceae plants (Yulania biondii, Yulania denudata, and two varieties of Magnolia wufengensis (Jiaohong 1 and Jiaohong 2)) were investigated. Four Magnoliaceae plants were subjected to various concentrations of NaCl for 60 days: 0 mM, 60 mM, 120 mM, 180 mM, and 240 mM. The leaf water content (LWC), relative growth rate of plant height and stem diameter, photosynthetic pigments, and photosynthetic rate (Pn) decreased during the NaCl treatments, indicating slowed growth and photosynthesis. Malondialdehyde (MDA), Na+, superoxide dismutase (SOD) activity, peroxidase (POD) activity, ascorbic acid (AsA) content, and soluble sugar content all increased while K+ decreased. Ascorbate peroxidase (APX) activity, glutathione (GSH), soluble protein, and proline first increased after decreasing with increasing NaCl concentration. Principal component 1 (PC1) had larger loading values for growth and photosynthesis indices, while principal component 2 (PC2) exhibited larger loading values for antioxidant substances and osmotic adjustment substances; the correlation analysis showed that PC1 and PC2 had negative correlations. The four Magnoliaceae plants exhibited largely variable growth and physiological activities in response to NaCl. Yulania denudata exhibited greater reductions in growth and photosynthesis and greater decreases in antioxidant enzyme activities and osmotic adjustment substances, which indicated poor tolerance to salt stress. Among the four Magnoliaceae plants, Jiaohong 1 exhibited the greatest salt tolerance, followed by Jiaohong 2, Yulania biondii, and Yulania denudata.
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Affiliation(s)
- Xiuting Zhao
- Key Laboratory Silviculture and Conservation of MOE, College of Forestry, Beijing Forestry University, Beijing 100083, China; (X.Z.); (L.T.); (Z.Z.); (L.M.)
| | - Ling Tian
- Key Laboratory Silviculture and Conservation of MOE, College of Forestry, Beijing Forestry University, Beijing 100083, China; (X.Z.); (L.T.); (Z.Z.); (L.M.)
| | - Zhonglong Zhu
- Key Laboratory Silviculture and Conservation of MOE, College of Forestry, Beijing Forestry University, Beijing 100083, China; (X.Z.); (L.T.); (Z.Z.); (L.M.)
| | - Ziyang Sang
- Forest Science Research Institute of Wufeng Tujia Autonomous County, Wufeng 443400, China;
| | - Lvyi Ma
- Key Laboratory Silviculture and Conservation of MOE, College of Forestry, Beijing Forestry University, Beijing 100083, China; (X.Z.); (L.T.); (Z.Z.); (L.M.)
- Magnolia wufengensis Research Center, Beijing Forestry University, Beijing 100083, China
- National Energy R&D Center for Non-Food Biomass, Beijing Forestry University, Beijing 100083, China
| | - Zhongkui Jia
- Key Laboratory Silviculture and Conservation of MOE, College of Forestry, Beijing Forestry University, Beijing 100083, China; (X.Z.); (L.T.); (Z.Z.); (L.M.)
- Magnolia wufengensis Research Center, Beijing Forestry University, Beijing 100083, China
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Walker PL, Belmonte MF, McCallum BD, McCartney CA, Randhawa HS, Henriquez MA. Dual RNA-sequencing of Fusarium head blight resistance in winter wheat. FRONTIERS IN PLANT SCIENCE 2024; 14:1299461. [PMID: 38239218 PMCID: PMC10794533 DOI: 10.3389/fpls.2023.1299461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 11/29/2023] [Indexed: 01/22/2024]
Abstract
Fusarium head blight (FHB) is a devastating fungal disease responsible for significant yield losses in wheat and other cereal crops across the globe. FHB infection of wheat spikes results in grain contamination with mycotoxins, reducing both grain quality and yield. Breeding strategies have resulted in the production of FHB-resistant cultivars, however, the underlying molecular mechanisms of resistance in the majority of these cultivars are still poorly understood. To improve our understanding of FHB-resistance, we performed a transcriptomic analysis of FHB-resistant AC Emerson, FHB-moderately resistant AC Morley, and FHB-susceptible CDC Falcon in response to Fusarium graminearum. Wheat spikelets located directly below the point of inoculation were collected at 7-days post inoculation (dpi), where dual RNA-sequencing was performed to explore differential expression patterns between wheat cultivars in addition to the challenging pathogen. Differential expression analysis revealed distinct defense responses within FHB-resistant cultivars including the enrichment of physical defense through the lignin biosynthesis pathway, and DON detoxification through the activity of UDP-glycosyltransferases. Nucleotide sequence variants were also identified broadly between these cultivars with several variants being identified within differentially expressed putative defense genes. Further, F. graminearum demonstrated differential expression of mycotoxin biosynthesis pathways during infection, leading to the identification of putative pathogenicity factors.
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Affiliation(s)
- Philip L. Walker
- Morden Research and Development Centre, Agriculture and Agri-Food Canada, Morden, MB, Canada
| | - Mark F. Belmonte
- Department of Biological Sciences, University of Manitoba, Winnipeg, MB, Canada
| | - Brent D. McCallum
- Morden Research and Development Centre, Agriculture and Agri-Food Canada, Morden, MB, Canada
| | - Curt A. McCartney
- Department of Plant Sciences, University of Manitoba, Winnipeg, MB, Canada
| | - Harpinder S. Randhawa
- Lethbridge Research and Development Centre, Agriculture and Agri-Food Canada, Lethbridge, AB, Canada
| | - Maria A. Henriquez
- Morden Research and Development Centre, Agriculture and Agri-Food Canada, Morden, MB, Canada
- Department of Plant Sciences, University of Manitoba, Winnipeg, MB, Canada
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Rodrigues M, Ordoñez-Trejo EJ, Rasori A, Varotto S, Ruperti B, Bonghi C. Dissecting postharvest chilling injuries in pome and stone fruit through integrated omics. FRONTIERS IN PLANT SCIENCE 2024; 14:1272986. [PMID: 38235207 PMCID: PMC10791837 DOI: 10.3389/fpls.2023.1272986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Accepted: 12/11/2023] [Indexed: 01/19/2024]
Abstract
Lowering the storage temperature is an effective method to extend the postharvest and shelf life of fruits. Nevertheless, this technique often leads to physiological disorders, commonly known as chilling injuries. Apples and pears are susceptible to chilling injuries, among which superficial scald is the most economically relevant. Superficial scald is due to necrotic lesions of the first layers of hypodermis manifested through skin browning. In peaches and nectarines, chilling injuries are characterized by internal symptoms, such as mealiness. Fruits with these aesthetic or compositional/structural defects are not suitable for fresh consumption. Genetic variation is a key factor in determining fruit susceptibility to chilling injuries; however, physiological, or technical aspects such as harvest maturity and storage conditions also play a role. Multi-omics approaches have been used to provide an integrated explanation of chilling injury development. Metabolomics in pome fruits specifically targets the identification of ethylene, phenols, lipids, and oxidation products. Genomics and transcriptomics have revealed interesting connections with metabolomic datasets, pinpointing specific genes linked to cold stress, wax synthesis, farnesene metabolism, and the metabolic pathways of ascorbate and glutathione. When applied to Prunus species, these cutting-edge approaches have uncovered that the development of mealiness symptoms is linked to ethylene signaling, cell wall synthesis, lipid metabolism, cold stress genes, and increased DNA methylation levels. Emphasizing the findings from multi-omics studies, this review reports how the integration of omics datasets can provide new insights into understanding of chilling injury development. This new information is essential for successfully creating more resilient fruit varieties and developing novel postharvest strategies.
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Affiliation(s)
| | | | | | | | - Benedetto Ruperti
- Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), University of Padova, Legnaro, Italy
| | - Claudio Bonghi
- Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), University of Padova, Legnaro, Italy
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Stubbs RL, Theodoridis S, Mora-Carrera E, Keller B, Potente G, Yousefi N, Jay P, Léveillé-Bourret É, Choudhury RR, Celep F, Kochjarová J, Conti E. The genomes of Darwin's primroses reveal chromosome-scale adaptive introgression and differential permeability of species boundaries. THE NEW PHYTOLOGIST 2024; 241:911-925. [PMID: 37921572 DOI: 10.1111/nph.19361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 10/05/2023] [Indexed: 11/04/2023]
Abstract
Introgression is an important source of genetic variation that can determine species adaptation to environmental conditions. Yet, definitive evidence of the genomic and adaptive implications of introgression in nature remains scarce. The widespread hybrid zones of Darwin's primroses (Primula elatior, Primula veris, and Primula vulgaris) provide a unique natural laboratory for studying introgression in flowering plants and the varying permeability of species boundaries. Through analysis of 650 genomes, we provide evidence of an introgressed genomic region likely to confer adaptive advantage in conditions of soil toxicity. We also document unequivocal evidence of chloroplast introgression, an important precursor to species-wide chloroplast capture. Finally, we provide the first evidence that the S-locus supergene, which controls heterostyly in primroses, does not introgress in this clade. Our results contribute novel insights into the adaptive role of introgression and demonstrate the importance of extensive genomic and geographical sampling for illuminating the complex nature of species boundaries.
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Affiliation(s)
- Rebecca L Stubbs
- Department of Systematic and Evolutionary Botany, University of Zurich, Zurich, 8008, Switzerland
| | - Spyros Theodoridis
- Senckenberg Biodiversity and Climate Research Centre (SBiK-F), Frankfurt am Main, 60325, Germany
| | - Emiliano Mora-Carrera
- Department of Systematic and Evolutionary Botany, University of Zurich, Zurich, 8008, Switzerland
| | - Barbara Keller
- Department of Systematic and Evolutionary Botany, University of Zurich, Zurich, 8008, Switzerland
| | - Giacomo Potente
- Department of Systematic and Evolutionary Botany, University of Zurich, Zurich, 8008, Switzerland
| | - Narjes Yousefi
- Department of Systematic and Evolutionary Botany, University of Zurich, Zurich, 8008, Switzerland
| | - Paul Jay
- Center for GeoGenetics, University of Copenhagen, Copenhagen, 1350, Denmark
| | - Étienne Léveillé-Bourret
- Département de Sciences Biologiques, Institut de Recherche en Biologie Végétale (IRBV), Université de Montréal, Montreal, QC, H1X 2B2, Canada
| | | | - Ferhat Celep
- Department of Biology, Faculty of Arts and Sciences, Kırıkkale University, Kırıkkale, 71450, Turkey
| | - Judita Kochjarová
- Department of Phytology, Faculty of Forestry, Technical University in Zvolen, Zvolen, 96001, Slovak Republic
| | - Elena Conti
- Department of Systematic and Evolutionary Botany, University of Zurich, Zurich, 8008, Switzerland
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Király L, Zechmann B, Albert R, Bacsó R, Schwarczinger I, Kolozsváriné Nagy J, Gullner G, Hafez YM, Künstler A. Enhanced Resistance to Viruses in Nicotiana edwardsonii 'Columbia' Is Dependent on Salicylic Acid, Correlates with High Glutathione Levels, and Extends to Plant-Pathogenic Bacteria and Abiotic Stress. MOLECULAR PLANT-MICROBE INTERACTIONS : MPMI 2024; 37:36-50. [PMID: 37750816 DOI: 10.1094/mpmi-07-23-0106-r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/27/2023]
Abstract
Our earlier research showed that an interspecific tobacco hybrid (Nicotiana edwardsonii 'Columbia' [NEC]) displays elevated levels of salicylic acid (SA) and enhanced resistance to localized necrotic symptoms (hypersensitive response [HR]) caused by tobacco mosaic virus (TMV) and tobacco necrosis virus (TNV), as compared with another interspecific hybrid (Nicotiana edwardsonii [NE]) derived from the same parents. In the present study, we investigated whether symptomatic resistance in NEC is indeed associated with the inhibition of TMV and TNV and whether SA plays a role in this process. We demonstrated that enhanced viral resistance in NEC is manifested as both milder local necrotic (HR) symptoms and reduced levels of TMV and TNV. The presence of an adequate amount of SA contributes to the enhanced defense response of NEC to TMV and TNV, as the absence of SA resulted in seriously impaired viral resistance. Elevated levels of subcellular tripeptide glutathione (GSH) in NEC plants in response to viral infection suggest that in addition to SA, GSH may also contribute to the elevated viral resistance of NEC. Furthermore, we found that NEC displays an enhanced resistance not only to viral pathogens but also to bacterial infections and abiotic oxidative stress induced by paraquat treatments. [Formula: see text] Copyright © 2024 The Author(s). This is an open access article distributed under the CC BY-NC-ND 4.0 International license.
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Affiliation(s)
- Lóránt Király
- Department of Plant Pathophysiology, Plant Protection Institute, Centre for Agricultural Research, ELKH, H-1022, Budapest, Hungary
| | - Bernd Zechmann
- Center for Microscopy and Imaging, Baylor University, One Bear Place, no. 97046, Waco, TX 76798, U.S.A
| | - Réka Albert
- Institute of Plant Sciences and Environmental Protection, Faculty of Agriculture, University of Szeged, H-6800, Hódmezővásárhely, Hungary
| | - Renáta Bacsó
- Department of Plant Pathophysiology, Plant Protection Institute, Centre for Agricultural Research, ELKH, H-1022, Budapest, Hungary
| | - Ildikó Schwarczinger
- Department of Plant Pathophysiology, Plant Protection Institute, Centre for Agricultural Research, ELKH, H-1022, Budapest, Hungary
| | - Judit Kolozsváriné Nagy
- Department of Plant Pathophysiology, Plant Protection Institute, Centre for Agricultural Research, ELKH, H-1022, Budapest, Hungary
| | - Gábor Gullner
- Department of Plant Pathophysiology, Plant Protection Institute, Centre for Agricultural Research, ELKH, H-1022, Budapest, Hungary
| | - Yaser Mohamed Hafez
- EPCRS Excellence Center & Plant Pathology and Biotechnology Lab, Department of Agricultural Botany, Faculty of Agriculture, Kafrelsheikh University, 33516 Kafr-El-Sheikh, Egypt
| | - András Künstler
- Department of Plant Pathophysiology, Plant Protection Institute, Centre for Agricultural Research, ELKH, H-1022, Budapest, Hungary
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Pang B, Zuo D, Yang T, Yu J, Zhou L, Hou Y, Yu J, Ye L, Gu L, Wang H, Du X, Liu Y, Zhu B. BcaSOD1 enhances cadmium tolerance in transgenic Arabidopsis by regulating the expression of genes related to heavy metal detoxification and arginine synthesis. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 206:108299. [PMID: 38150840 DOI: 10.1016/j.plaphy.2023.108299] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 12/19/2023] [Indexed: 12/29/2023]
Abstract
Cadmium (Cd), which is a nonessential heavy metal element for organisms, can have a severe impact on the growth and development of organisms that absorb excessive Cd. Studies have shown that Brassica carinata, a semiwild oil crop, has strong tolerance to various abiotic stresses, and RNA-seq has revealed that the B. carinata superoxide dismutase gene (BcaSOD1) likely responds to Cd stress. To elucidate the BcaSOD1 function involved in tolerance of Cd stress, we cloned the coding sequences of BcaSOD1 from a purple B. carinata accession and successfully transferred it into Arabidopsis thaliana. The subcellular localization results demonstrated that BcaSOD1 was primarily located in the plasma membrane, mitochondria and nucleus. Overexpression of BcaSOD1 in transgenic Arabidopsis (OE) effectively decreased the toxicity caused by Cd stress. Compared to the WT (wild type lines), the OE lines exhibited significantly increased activities of antioxidant enzymes (APX, CAT, POD, and SOD) after exposure to 2.5 mM CdCl2. The Cd content of underground (root) in the OE line was dominantly higher than that in the WT; however, the Cd content of aboveground (shoot) was comparable between the OE and WT types. Moreover, the qRT‒PCR results showed that several heavy metal detoxification-related genes (AtIREG2, AtMTP3, AtHMA3, and AtNAS4) were significantly upregulated in the roots of OE lines under Cd treatment, suggesting that these genes are likely involved in Cd absorption in the roots of OE lines. In addition, both comparable transcriptome and qRT-PCR analyses revealed that exogenous BcaSOD1 noticeably facilitates detoxification by stimulating the expression of two arginine (Arg) biosynthesis genes (AtGDH1 and AtGDH2) while inhibiting the expression of AtARGAH1, a negative regulator in biosynthesis of Arg. The Arg content was subsequently confirmed to be significantly enhanced in OE lines under Cd treatment, indicating that BcaSOD1 likely strengthened Cd tolerance by regulating the expression of Arg-related genes. This study demonstrates that BcaSOD1 can enhance Cd tolerance and reveals the molecular mechanism of this gene, providing valuable insights into the molecular mechanism of Cd tolerance in plants.
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Affiliation(s)
- Biao Pang
- School of Life Sciences, Guizhou Normal University, Guiyang, 550025, People's Republic of China
| | - Dan Zuo
- School of Life Sciences, Guizhou Normal University, Guiyang, 550025, People's Republic of China
| | - Tinghai Yang
- School of Life Sciences, Guizhou Normal University, Guiyang, 550025, People's Republic of China
| | - Junxing Yu
- School of Life Sciences, Guizhou Normal University, Guiyang, 550025, People's Republic of China
| | - Lizhou Zhou
- School of Life Sciences, Guizhou Normal University, Guiyang, 550025, People's Republic of China
| | - Yunyan Hou
- School of Life Sciences, Guizhou Normal University, Guiyang, 550025, People's Republic of China
| | - Jie Yu
- School of Life Sciences, Guizhou Normal University, Guiyang, 550025, People's Republic of China
| | - Lvlan Ye
- School of Life Sciences, Guizhou Normal University, Guiyang, 550025, People's Republic of China
| | - Lei Gu
- School of Life Sciences, Guizhou Normal University, Guiyang, 550025, People's Republic of China
| | - Hongcheng Wang
- School of Life Sciences, Guizhou Normal University, Guiyang, 550025, People's Republic of China
| | - Xuye Du
- School of Life Sciences, Guizhou Normal University, Guiyang, 550025, People's Republic of China
| | - Yingliang Liu
- School of Life Sciences, Guizhou Normal University, Guiyang, 550025, People's Republic of China.
| | - Bin Zhu
- School of Life Sciences, Guizhou Normal University, Guiyang, 550025, People's Republic of China.
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Chakraborty N, Mitra R, Dasgupta D, Ganguly R, Acharya K, Minkina T, Popova V, Churyukina E, Keswani C. Unraveling lipid peroxidation-mediated regulation of redox homeostasis for sustaining plant health. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 206:108272. [PMID: 38100892 DOI: 10.1016/j.plaphy.2023.108272] [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: 09/28/2023] [Revised: 11/12/2023] [Accepted: 12/07/2023] [Indexed: 12/17/2023]
Abstract
Lipid peroxidation (LPO) is a complex process that, depending on the context, can either result in oxidative injury or promote redox homeostasis. LPO is a series of reactions in which polyunsaturated fatty acids are attacked by free radicals that result in the synthesis of lipid peroxides. LPO can alter membrane fluidity and operation and produce secondary products that amplify oxidative stress. LPO can activate cellular signaling pathways that promote antioxidant defense mechanisms that provide oxidative stress protection by elevating antioxidant enzyme action potentials. Enzymatic and nonenzymatic mechanisms tightly regulate LPO to prevent excessive LPO and its adverse consequences. This article emphasizes the dual nature of LPO as a mechanism that can both damage cells and regulate redox homeostasis. In addition, it also highlights the major enzymatic and nonenzymatic mechanisms that tightly regulate LPO to prevent excessive oxidative damage. More importantly, it emphasizes the importance of understanding the cellular and biochemical complexity of LPO for developing strategies targeting this process for efficient management of plant stress.
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Affiliation(s)
- Nilanjan Chakraborty
- Department of Botany, Scottish Church College (affiliated to University of Calcutta), Kolkata, 700006, India
| | - Rusha Mitra
- Department of Botany, Scottish Church College (affiliated to University of Calcutta), Kolkata, 700006, India
| | - Disha Dasgupta
- Department of Botany, Scottish Church College (affiliated to University of Calcutta), Kolkata, 700006, India
| | - Retwika Ganguly
- Department of Botany, Scottish Church College (affiliated to University of Calcutta), Kolkata, 700006, India
| | - Krishnendu Acharya
- Molecular and Applied Mycology and Plant Pathology Laboratory, Department of Botany, University of Calcutta, Kolkata, 700019, India
| | - Tatiana Minkina
- Academy of Biology and Biotechnology, Southern Federal University, Rostov-on-Don, 344000, Russia
| | - Victoria Popova
- Rostov Research Institute of Obstetrics and Pediatrics, Rostov-on-Don, 344012, Russia
| | - Ella Churyukina
- Rostov State Medical University, Rostov-on-Don, 344000, Russia
| | - Chetan Keswani
- Academy of Biology and Biotechnology, Southern Federal University, Rostov-on-Don, 344000, Russia.
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Yao H, Liang Z, Wang W, Niu C. Integrative analyses of transcriptomes and metabolomes provide insight into salinity adaption in Bangia (Rhodaphyta). Int J Biol Macromol 2023; 253:127466. [PMID: 37875187 DOI: 10.1016/j.ijbiomac.2023.127466] [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: 08/21/2023] [Revised: 10/13/2023] [Accepted: 10/14/2023] [Indexed: 10/26/2023]
Abstract
The salinity of the external environment poses a serious threat to most land plants. Although seaweeds can adapt to this, intertidal species are subject to wide fluctuations in salinity, including hypo- and hyper-saline conditions. The red algal genus Bangiales is a typical example; it is one of the oldest eukaryotes with sexual reproduction and has successfully adapted to both marine and freshwater environments. However, there is a dearth of research focused on elucidating the mechanism by which marine Bangia (Bangia fuscopurpurea) adapts to hypo-salinity, as well as the mechanism by which freshwater Bangia (Bangia atropurpurea) adapts to hyper-salinity. The objective of this study is to employ third-generation full-length transcriptome data and untargeted metabolome data, to provide insights into the salinity adaptation mechanism of as well as the evolutionary relationship between both Bangia species. B. fuscopurpurea and B. atropurpurea exhibited 9112 and 8772 differentially expressed genes (DEGs), respectively, during various periods of hyper-saline condition. These genes were primarily enriched in secondary metabolites and energy-related metabolic pathways. Additionally, B. fuscopurpurea displayed 16,285 DEGs during different periods of hypo-saline condition, which were mainly enriched in metabolic pathways related to ion transport and membrane proteins. In the hyper- and hypo-saline adapt response processes of B. fuscopurpurea, a total of 303 transcription factors were identified, which belonged to 26 families. Among these, 85 and 142 differential transcription factors were identified, respectively, mainly belonging to the C2H2 and MYB family. Similarly, in the response process of B. atropurpurea to hyper-saline condition, a total of 317 transcription factors were identified, mainly belonging to 17 families. Among these, 121 differential transcription factors were identified, mainly belonging to the C2H2 and bZIP family. Furthermore, a correlation analysis was conducted to examine the relationship between the transcriptional and metabolic levels of both species under saline adaptation. The findings demonstrated that Bangia exhibits intricate adaptations to salinity, which involve swift regulation of its photosynthetic processes, alternations in membrane contents, and a robust anti-oxidation system to mitigate the effects of excess redox energy during exposure to varying salinity. Notably, the unsaturated fat and glutathione metabolic pathways were found to be significantly enriched in this context.
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Affiliation(s)
- Haiqin Yao
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, No. 106 Nanjing Road, Qingdao 266071, China
| | - Zhourui Liang
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, No. 106 Nanjing Road, Qingdao 266071, China; Laboratory for Marine Fisheries Science and Food Production Processes, Laoshan Laboratory, Qingdao, China
| | - Wenjun Wang
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, No. 106 Nanjing Road, Qingdao 266071, China; Laboratory for Marine Fisheries Science and Food Production Processes, Laoshan Laboratory, Qingdao, China.
| | - Citong Niu
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, No. 106 Nanjing Road, Qingdao 266071, China
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Singh G, Le H, Ablordeppey K, Long S, Minocha R, Dhankher OP. Overexpression of gamma-glutamyl cyclotransferase 2;1 (CsGGCT2;1) reduces arsenic toxicity and accumulation in Camelina sativa (L.). PLANT CELL REPORTS 2023; 43:14. [PMID: 38135793 DOI: 10.1007/s00299-023-03091-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 10/12/2023] [Indexed: 12/24/2023]
Abstract
KEY MESSAGE Overexpressing CsGGCT2;1 in Camelina enhances arsenic tolerance, reducing arsenic accumulation by 40-60%. Genetically modified Camelina can potentially thrive on contaminated lands and help safeguard food quality and sustainable food and biofuel production. Environmental arsenic contamination is a serious global issue that adversely affects human health and diminishes the quality of harvested produce. Glutathione (GSH) is known to bind and detoxify arsenic and other toxic metals. A steady level of GSH is maintained within cells via the γ-glutamyl cycle. The γ-glutamyl cyclotransferases (GGCTs) have previously been shown to be involved in GSH degradation and increased tolerance to toxic metals in plants. In this study, we characterized the GGCT2;1 homolog from Camelina sativa for its role in arsenic tolerance and accumulation. Overexpression of CsGGCT2;1 in Camelina under CaMV35S constitutive promoter resulted in strong tolerance to arsenite (AsIII). The overexpression (OE) lines had 2.6-3.5-fold higher shoots and sevenfold to tenfold enhanced root biomass on media supplemented with AsIII, relative to wild-type plants. The CsGGCT2;1 OE lines accumulated 40-60% less arsenic in root and shoot tissues compared to wild-type plants. Further, the OE lines had ~ twofold higher chlorophyll content and 35% lesser levels of malondialdehyde (MDA), an indicator of membrane damage via lipid peroxidation. There was a slight but non-significant increase in 5-oxoproline (5-OP), a product of GSH degradation, in OE lines. However, the transcript levels of Oxoprolinase 1 (OXP1) were upregulated, indicating the accelerated conversion of 5-OP to glutamate, which is further utilized for the resynthesis of GSH to maintain GSH homeostasis. Overall, this research suggests that genetically modified Camelina may have the potential for cultivation on contaminated marginal lands to reduce As accumulation; thereby could help in addressing food safety issues as well as future food and biofuel needs.
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Affiliation(s)
- Gurpal Singh
- Stockbridge School of Agriculture, University of Massachusetts, Amherst, MA, USA
| | - Helen Le
- Stockbridge School of Agriculture, University of Massachusetts, Amherst, MA, USA
| | - Kenny Ablordeppey
- Stockbridge School of Agriculture, University of Massachusetts, Amherst, MA, USA
| | - Stephanie Long
- USDA Forest Service, Northern Research Station, Durham, NH, USA
| | - Rakesh Minocha
- USDA Forest Service, Northern Research Station, Durham, NH, USA
| | - Om Parkash Dhankher
- Stockbridge School of Agriculture, University of Massachusetts, Amherst, MA, USA.
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Saeed M, Quraishi UM, Landberg T, Greger M, Malik RN. Phenomic profiling to reveal tolerance mechanisms and regulation of ascorbate-glutathione cycle in wheat varieties (Triticum aestivum L.) under arsenic stress. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2023; 46:2. [PMID: 38071652 DOI: 10.1007/s10653-023-01784-5] [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: 05/07/2023] [Accepted: 10/24/2023] [Indexed: 12/18/2023]
Abstract
The potential of arsenic (As) tolerant and sensitive varieties of wheat (Triticum aestivum L.) has yet to be explored despite of alarming situation of arsenic toxicity. To fill this gap, the study aimed to explore the role of antioxidants, phytochelatins, and ascorbate-glutathione for As tolerance in wheat. A total of eight varieties were exposed to different arsenate treatments (0, 1, 5, 10, 50, 100, 200, 500, 1000, 2000, and 10,000 μM) initially to screen effective treatment as well as contrasting varieties via Weibull distribution frequency for further analysis. The Weibull analysis found 200 μM as the most effective treatment in the present study. Selected varieties were analyzed for accumulation of total As and As speciation, oxidative stress (malondialdehyde, hydrogen peroxide), antioxidants (superoxide dismutase, catalase, peroxidase), phytochelatins, and ascorbate-glutathione cycle (glutathione-S-transferase, glutathione reductase, glutathione peroxidase, ascorbate peroxidase). Tolerant varieties showed less accumulation and translocation of total As, arsenate, and arsenite to the shoots compared with sensitive varieties under 200 μM treatment. Low concentration in tolerant varieties correlated with better growth and development response. Tolerant varieties showed higher induction of metabolites (glutathione, phytochelatins) compared to sensitive ones. Furthermore, tolerant varieties showed better performance of antioxidant and ascorbate-glutathione cycle enzymes in response to As exposure. The findings of the present study provided great insight into the wheat tolerance mechanism upon As exposure between contrasting varieties.
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Affiliation(s)
- Muhammad Saeed
- Environmental Biology and Ecotoxicology Laboratory, Department of Environmental Sciences, Faculty of Biological Sciences, Quaid-I-Azam University, Islamabad, 45320, Pakistan
| | - Umar Masood Quraishi
- Department of Plant Sciences, Faculty of Biological Sciences, Quaid-I-Azam University, Islamabad, 45320, Pakistan
| | - Tommy Landberg
- Plant Metal Laboratory, Department of Ecology, Environment, and Plant Sciences (DEEP), Stockholm University, Stockholm, Sweden
| | - Maria Greger
- Plant Metal Laboratory, Department of Ecology, Environment, and Plant Sciences (DEEP), Stockholm University, Stockholm, Sweden
| | - Riffat Naseem Malik
- Environmental Biology and Ecotoxicology Laboratory, Department of Environmental Sciences, Faculty of Biological Sciences, Quaid-I-Azam University, Islamabad, 45320, Pakistan.
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