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Yan L, Riaz M, Li S, Cheng J, Jiang C. Harnessing the power of exogenous factors to enhance plant resistance to aluminum toxicity; a critical review. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 203:108064. [PMID: 37783071 DOI: 10.1016/j.plaphy.2023.108064] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 09/11/2023] [Accepted: 09/27/2023] [Indexed: 10/04/2023]
Abstract
Aluminum (Al) is the most prevalent element in the earth crust and is toxic to plants in acidic soils. However, plants can address Al toxicity through external exclusion (which prevents Al from entering roots) and internal detoxification (which counterbalances the toxic-Al absorbed by roots). Nowadays, certain categories of exogenously added regulatory factors (EARF), such as nutritional elements, organic acids, amino acids, phytohormones, or biochar, etc. play a critical role in reducing the bioavailability/toxicity of Al in plants. Numerous studies suggest that regulating factors against Al toxicity mediate the expression of Al-responsive genes and transcription factors, thereby regulating the secretion of organic acids, alkalizing rhizosphere pH, modulating cell wall (CW) modifications, improving antioxidant defense systems, and promoting the compartmentalization of non-toxic Al within intracellular. This review primarily discusses recent and older published papers to demonstrate the basic concepts of Al phytotoxicity. Furthermore, we provide a comprehensive explanation of the crucial roles of EARF-induced responses against Al toxicity in plants. This information may serve as a foundation for improving plant resistance to Al and enhancing the growth of susceptible species in acidic soils. And this review holds significant theoretical significance for EARF to improve the quality of acidic soils cultivated land, increase crop yield and quality, and ensure food security.
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Affiliation(s)
- Lei Yan
- Institute of Biomedical Engineering, College of Life Science, Qingdao University, Qingdao, 266071, China.
| | - Muhammad Riaz
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei, 430070, China; College of Resources and Environment, Zhongkai University of Agriculture and Engineering, Guangzhou, 510225, China.
| | - Shuang Li
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei, 430070, China.
| | - Jin Cheng
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei, 430070, China.
| | - Cuncang Jiang
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei, 430070, China.
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Role of nitric oxide and hydrogen sulfide in plant aluminum tolerance. Biometals 2018; 32:1-9. [DOI: 10.1007/s10534-018-0156-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Accepted: 10/29/2018] [Indexed: 10/28/2022]
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He H, Huang W, Oo TL, Gu M, He LF. Nitric oxide inhibits aluminum-induced programmed cell death in peanut (Arachis hypoganea L.) root tips. JOURNAL OF HAZARDOUS MATERIALS 2017; 333:285-292. [PMID: 28371714 DOI: 10.1016/j.jhazmat.2017.03.049] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2016] [Revised: 02/03/2017] [Accepted: 03/23/2017] [Indexed: 05/20/2023]
Abstract
It had been reported that Aluminum (Al) stress altered nitric oxide (NO) concentration and induced programmed cell death (PCD) in plants. However, the relationship between NO and PCD occurrence under Al stress is unclear. The results showed that cell death induced by Al was significant negative correlation with the inhibition of Al on root elongation growth in peanut. AlCl3 at 100μmolL-1 induced DNA ladder, chromatin condensation, typical apoptotic chromatin condensation staining with DAPI, apoptosis related gene Hrs203j expression and caspase3-like protease activation in peanut root tip cells, and showed that Al-induced cell death in peanut root tip cells was a typical PCD. Exogenous NO donor sodium nitroprusside (SNP) at 200μmolL-1 inhibited Al-induced PCD occurrence, but NO specific scavenger cPTIO aggravated PCD production. It suggests that NO is a negative regulator of Al-induced PCD in peanut root tips.
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Affiliation(s)
- Huyi He
- College of Agronomy, Guangxi University, Nanning 530004, PR China; Cash Crops Research Institute, Guangxi Academy of Agricultural Sciences, Nanning 530007, PR China
| | - Wenjing Huang
- College of Agronomy, Guangxi University, Nanning 530004, PR China
| | - Thet Lwin Oo
- College of Agronomy, Guangxi University, Nanning 530004, PR China
| | - Minghua Gu
- College of Agronomy, Guangxi University, Nanning 530004, PR China
| | - Long-Fei He
- College of Agronomy, Guangxi University, Nanning 530004, PR China; Guangxi Colleges and Universities Key Laboratory of Crop Cultivation and Tillage, Nanning 530004, PR China.
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Huang WJ, Oo TL, He HY, Wang AQ, Zhan J, Li CZ, Wei SQ, He LF. Aluminum induces rapidly mitochondria-dependent programmed cell death in Al-sensitive peanut root tips. BOTANICAL STUDIES 2014; 55:67. [PMID: 28510946 PMCID: PMC5432755 DOI: 10.1186/s40529-014-0067-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2014] [Accepted: 08/23/2014] [Indexed: 05/10/2023]
Abstract
BACKGROUND Although many studies suggested that aluminum (Al) induced programmed cell death (PCD) in plants, the mechanism of Al-induced PCD and its effects in Al tolerance is limited. This study was to investigate the mechanism and type of Al induced PCD and the relationship between PCD and Al tolerance. RESULTS In this study, two genotypes of peanut 99-1507 (Al tolerant) and ZH2 (Al sensitive) were used to investigate Al-induced PCD. Peanut root growth inhibition induced by AlCl3 was concentration and time-dependent in two peanut varieties. AlCl3 at 100 μM could induce rapidly peanut root tip PCD involved in DNA cleavage, typical apoptotic chromatin condensation staining with DAPI, apoptosis related gene Hrs203j expression and cytochrome C (Cyt c) release from mitochondria to cytosol. Caspase3-like protease was activated by Al; it was higher in ZH2 than in 99-1507. Al increased the opening of mitochondrial permeability transition pore (MPTP), decreased inner membrane potential (ΔΨm) of mitochondria. Compared with the control, Al stress increased O2•- and H2O2 production in mitochondria. Reactive oxygen species (ROS) burst was produced at Al treatment for 4 h. CONCLUSIONS Al-induced PCD is earlier and faster in Al-sensitive peanut cultivar than in Al-tolerant cultivar. There is a negative relationship between PCD and Al resistance. Mitochondria- dependence PCD was induced by Al and ROS was involved in this process. The mechanism can be explained by the model of acceleration of senescence under Al stress.
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Affiliation(s)
- Wen-Jing Huang
- College of Agronomy, Guangxi University, Daxue Road 100, Nanning, 530004 PR China
| | - Thet Lwin Oo
- College of Agronomy, Guangxi University, Daxue Road 100, Nanning, 530004 PR China
| | - Hu-Yi He
- College of Agronomy, Guangxi University, Daxue Road 100, Nanning, 530004 PR China
| | - Ai-Qin Wang
- College of Agronomy, Guangxi University, Daxue Road 100, Nanning, 530004 PR China
| | - Jie Zhan
- College of Agronomy, Guangxi University, Daxue Road 100, Nanning, 530004 PR China
| | - Chuang-Zhen Li
- College of Agronomy, Guangxi University, Daxue Road 100, Nanning, 530004 PR China
| | - Shan-Qing Wei
- College of Agronomy, Guangxi University, Daxue Road 100, Nanning, 530004 PR China
| | - Long-Fei He
- College of Agronomy, Guangxi University, Daxue Road 100, Nanning, 530004 PR China
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Huang W, Yang X, Yao S, LwinOo T, He H, Wang A, Li C, He L. Reactive oxygen species burst induced by aluminum stress triggers mitochondria-dependent programmed cell death in peanut root tip cells. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2014; 82:76-84. [PMID: 24907527 DOI: 10.1016/j.plaphy.2014.03.037] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2014] [Accepted: 03/13/2014] [Indexed: 05/21/2023]
Abstract
Recent studies had certified that aluminum (Al) induced ROS production and programmed cell death (PCD) in higher plants. The relationship between ROS production and PCD occurrence under Al stress is uncovered. The results showed that root elongation inhibition and PCD occurrence was induced by 100 μM AlCl3. Al stress induced ROS burst, up-regulated Rboh and COX gene expression, increased mitochondrial permeability transition pore (MPTP) opening, decreased inner mitochondrial membrane potential (ΔΨm), released cytochrome c from mitochondria to cytoplasm, activated caspase 3-like protease activity. Exogenous H2O2 aggravated the changes caused by Al and accelerated PCD occurrence, but ROS scavenger CAT and AsA reversed the changes caused by Al and inhibited PCD production. A potential cascade of cellular events during Al induced PCD via mitochondria dependent pathway and the mechanism of ROS on regulating PCD induced by Al is proposed.
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Affiliation(s)
- Wenjing Huang
- College of Agronomy, Guang xi University, Da xue Road 100, Nanning 530004, PR China.
| | - Xudong Yang
- College of Agronomy, Guang xi University, Da xue Road 100, Nanning 530004, PR China.
| | - Shaochang Yao
- College of Agronomy, Guang xi University, Da xue Road 100, Nanning 530004, PR China.
| | - Thet LwinOo
- College of Agronomy, Guang xi University, Da xue Road 100, Nanning 530004, PR China.
| | - Huyi He
- College of Agronomy, Guang xi University, Da xue Road 100, Nanning 530004, PR China.
| | - Aiqin Wang
- College of Agronomy, Guang xi University, Da xue Road 100, Nanning 530004, PR China.
| | - Chuangzhen Li
- College of Agronomy, Guang xi University, Da xue Road 100, Nanning 530004, PR China.
| | - Longfei He
- College of Agronomy, Guang xi University, Da xue Road 100, Nanning 530004, PR China.
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Zhan J, He HY, Wang TJ, Wang AQ, Li CZ, He LF. Aluminum-induced programmed cell death promoted by AhSAG, a senescence-associated gene in Arachis hypoganea L. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2013; 210:108-17. [PMID: 23849118 DOI: 10.1016/j.plantsci.2013.05.012] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2013] [Revised: 05/14/2013] [Accepted: 05/19/2013] [Indexed: 05/11/2023]
Abstract
Programmed cell death (PCD) is a foundational cellular process in plant development and elimination of damaged cells under environmental stresses. In this study, Al induced PCD in two peanut (Arachis hypoganea L.) cultivars Zhonghua 2 (Al-sensitive) and 99-1507 (Al-tolerant) using DNA ladder, TUNEL detection and electron microscopy. The concentration of Al-induced PCD was lower in Zhonghua 2 than in 99-1507. AhSAG, a senescence-associated gene was isolated from cDNA library of Al-stressed peanut with PCD. Open reading frame (ORF) of AhSAG was 474bp, encoding a SAG protein composed of 157 amino acids. Compared to the control and the antisense transgenic tobacco plants, the fast development and blossom of the sense transgenic plants happened to promote senescence. The ability of Al tolerance in sense transgenic tobacco was lower than in antisense transgenic tobacco according to root elongation and Al content analysis. The expression of AhSAG-GFP was higher in sense transgenic tobacco than in antisense transgenic tobacco. Altogether, these results indicated that there was a negative relationship between Al-induced PCD and Al-resistance in peanut, and the AhSAG could induce or promote the occurrence of PCD in plants.
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Affiliation(s)
- Jie Zhan
- College of Agronomy, Guangxi University, Nanning 530004, PR China
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He H, Zhan J, He L, Gu M. Nitric oxide signaling in aluminum stress in plants. PROTOPLASMA 2012; 249:483-92. [PMID: 21850424 DOI: 10.1007/s00709-011-0310-5] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2011] [Accepted: 07/28/2011] [Indexed: 05/25/2023]
Abstract
Nitric oxide (NO) is a ubiquitous signal molecule involved in multiple plant responses to environmental stress. In the recent years, the regulating role of NO on heavy metal toxicity in plants is realized increasingly, but knowledge of NO in alleviating aluminum (Al) toxicity is quite limited. In this article, NO homeostasis between its biosynthesis and elimination in plants is presented. Some genes involved in NO/Al network and their expressions are also introduced. Furthermore, the role of NO in Al toxicity and the functions in Al tolerance are discussed. It is proposed that Al toxicity may disrupt NO homeostasis, leading to endogenous NO concentration being lower than required for root elongation in plants. There are many evidences that pointed out that the exogenous NO treatments improve Al tolerance in plants through activating antioxidative capacity to eliminate reactive oxygen species. Most of the work with respect to NO regulating pathways and functions still has to be done in the future.
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Affiliation(s)
- Huyi He
- College of Agronomy, Guangxi University, Nanning, 530004, China
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