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He Z, Zhang J, Jia H, Zhang S, Sun X, Nishawy E, Zhang H, Dai M. Genome-wide identification and analyses of ZmAPY genes reveal their roles involved in maize development and abiotic stress responses. MOLECULAR BREEDING : NEW STRATEGIES IN PLANT IMPROVEMENT 2024; 44:37. [PMID: 38745883 PMCID: PMC11091030 DOI: 10.1007/s11032-024-01474-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Accepted: 05/03/2024] [Indexed: 05/16/2024]
Abstract
Apyrase is a class of enzyme that catalyzes the hydrolysis of nucleoside triphosphates/diphosphates (NTP/NDP), which widely involved in regulation of plant growth and stress responses. However, apyrase family genes in maize have not been identified, and their characteristics and functions are largely unknown. In this study, we identified 16 apyrases (named as ZmAPY1-ZmAPY16) in maize genome, and analyzed their phylogenetic relationships, gene structures, chromosomal distribution, upstream regulatory transcription factors and expression patterns. Analysis of the transcriptome database unveiled tissue-specific and abiotic stress-responsive expression of ZmAPY genes in maize. qPCR analysis further confirmed their responsiveness to drought, heat, and cold stresses. Association analyses indicated that variations of ZmAPY5 and ZmAPY16 may regulate maize agronomic traits and drought responses. Our findings shed light on the molecular characteristics and evolutionary history of maize apyrase genes, highlighting their roles in various biological processes and stress responses. This study forms a basis for further exploration of apyrase functions in maize. Supplementary Information The online version contains supplementary material available at 10.1007/s11032-024-01474-9.
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Affiliation(s)
- Zhenghua He
- Hubei Key Laboratory of Food Crop Germplasm and Genetic Improvement & Key Laboratory of Crop Molecular Breeding, Ministry of Agriculture and Rural Affairs, Food Crops Institute, Hubei Academy of Agricultural Sciences, Wuhan, 430064 China
| | - Jie Zhang
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, 430070 China
- Hubei Hongshan Laboratory, Wuhan, China
| | - Haitao Jia
- Hubei Key Laboratory of Food Crop Germplasm and Genetic Improvement & Key Laboratory of Crop Molecular Breeding, Ministry of Agriculture and Rural Affairs, Food Crops Institute, Hubei Academy of Agricultural Sciences, Wuhan, 430064 China
- Hubei Hongshan Laboratory, Wuhan, China
| | - Shilong Zhang
- Hubei Key Laboratory of Food Crop Germplasm and Genetic Improvement & Key Laboratory of Crop Molecular Breeding, Ministry of Agriculture and Rural Affairs, Food Crops Institute, Hubei Academy of Agricultural Sciences, Wuhan, 430064 China
| | - Xiaopeng Sun
- Hubei Key Laboratory of Food Crop Germplasm and Genetic Improvement & Key Laboratory of Crop Molecular Breeding, Ministry of Agriculture and Rural Affairs, Food Crops Institute, Hubei Academy of Agricultural Sciences, Wuhan, 430064 China
- Hubei Hongshan Laboratory, Wuhan, China
| | - Elsayed Nishawy
- Laboratory of Genomics and Genome Editing, Department of Genetics, Desert Research Center, Cairo, 11735 Egypt
- CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences (CAS), Wuhan, 430074 China
| | - Hui Zhang
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, 430070 China
- Hubei Hongshan Laboratory, Wuhan, China
| | - Mingqiu Dai
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, 430070 China
- Hubei Hongshan Laboratory, Wuhan, China
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Deng B, Zhao J, Zhang Y, Fan Y, Tian S. Exogenous ATP triggers antioxidant defense system and alleviates Cd toxicity in maize seedlings. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 256:114898. [PMID: 37043944 DOI: 10.1016/j.ecoenv.2023.114898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 03/07/2023] [Accepted: 04/09/2023] [Indexed: 06/19/2023]
Abstract
The role of exogenous adenosine 5'-triphosphate (ATP) in the regulation of antioxidant response in plants under heavy metal stress is unclear. Here, we investigated the effects of exogenous ATP application on plant growth, antioxidant response, and Cd accumulation in maize seedlings. Treatment with 0.1 mM CdCl2 moderately reduced dry weight, decreased chlorophyll content, impaired photosynthesis, and increased lipid peroxidation in maize seedlings compared with controls. However, toxicity due to Cd was alleviated after 10-200 µM ATP treatment. Subsequently, the activity of Cd-regulated antioxidant enzymes, antioxidant metabolite accumulation, and total antioxidant capacity were drastically enhanced after 50 µM ATP treatment. Similar patterns were observed in the ADP-treated group but not in the AMP-treated group under Cd stress. However, the ATP-induced elevation in antioxidant defense ability was decreased by the inhibition of NADPH oxidase (NOX). ATP-induced elevation in NOX activity and H2O2 production was partly reversed by the inhibition of NOX in maize seedlings under Cd stress. Furthermore, ATP promoted Cd accumulation in the roots and shoots of maize seedlings. However, the ATP-induced increase in Cd accumulation was partly abolished by the inhibition of NOX. To our knowledge, this is the first report on the role and mechanism of exogenous ATP in regulating plant growth, antioxidant response, and heavy metal phytoextraction. The study provides a new method based on exogenous ATP for enhancing heavy metal tolerance in plants.
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Affiliation(s)
- Benliang Deng
- Life Science College, Luoyang Normal University, Luoyang, Henan 471934, China.
| | - Jing Zhao
- Clinical Laboratory of Dingxi People's Hospital, Dingxi, Gansu 743000, China
| | - Yumeng Zhang
- School of Life Science, Northeast Forestry University, Harbin, Heilongjiang 150040, China
| | - Yipu Fan
- Life Science College, Luoyang Normal University, Luoyang, Henan 471934, China
| | - Shan Tian
- Life Science College, Luoyang Normal University, Luoyang, Henan 471934, China
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Oelmüller R, Tseng YH, Gandhi A. Signals and Their Perception for Remodelling, Adjustment and Repair of the Plant Cell Wall. Int J Mol Sci 2023; 24:ijms24087417. [PMID: 37108585 PMCID: PMC10139151 DOI: 10.3390/ijms24087417] [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: 02/20/2023] [Revised: 04/04/2023] [Accepted: 04/08/2023] [Indexed: 04/29/2023] Open
Abstract
The integrity of the cell wall is important for plant cells. Mechanical or chemical distortions, tension, pH changes in the apoplast, disturbance of the ion homeostasis, leakage of cell compounds into the apoplastic space or breakdown of cell wall polysaccharides activate cellular responses which often occur via plasma membrane-localized receptors. Breakdown products of the cell wall polysaccharides function as damage-associated molecular patterns and derive from cellulose (cello-oligomers), hemicelluloses (mainly xyloglucans and mixed-linkage glucans as well as glucuronoarabinoglucans in Poaceae) and pectins (oligogalacturonides). In addition, several types of channels participate in mechanosensing and convert physical into chemical signals. To establish a proper response, the cell has to integrate information about apoplastic alterations and disturbance of its wall with cell-internal programs which require modifications in the wall architecture due to growth, differentiation or cell division. We summarize recent progress in pattern recognition receptors for plant-derived oligosaccharides, with a focus on malectin domain-containing receptor kinases and their crosstalk with other perception systems and intracellular signaling events.
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Affiliation(s)
- Ralf Oelmüller
- Matthias Schleiden Institute of Genetics, Bioinformatics and Molecular Botany, Department of Plant Physiology, Friedrich-Schiller-University, 07743 Jena, Germany
| | - Yu-Heng Tseng
- Matthias Schleiden Institute of Genetics, Bioinformatics and Molecular Botany, Department of Plant Physiology, Friedrich-Schiller-University, 07743 Jena, Germany
| | - Akanksha Gandhi
- Matthias Schleiden Institute of Genetics, Bioinformatics and Molecular Botany, Department of Plant Physiology, Friedrich-Schiller-University, 07743 Jena, Germany
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Genome-Wide Investigation of Apyrase (APY) Genes in Peanut ( Arachis hypogaea L.) and Functional Characterization of a Pod-Abundant Expression Promoter AhAPY2-1p. Int J Mol Sci 2023; 24:ijms24054622. [PMID: 36902052 PMCID: PMC10003104 DOI: 10.3390/ijms24054622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/05/2023] [Accepted: 01/12/2023] [Indexed: 03/06/2023] Open
Abstract
Peanut (Arachis hypogaea L.) is an important food and feed crop worldwide and is affected by various biotic and abiotic stresses. The cellular ATP levels decrease significantly during stress as ATP molecules move to extracellular spaces, resulting in increased ROS production and cell apoptosis. Apyrases (APYs) are the nucleoside phosphatase (NPTs) superfamily members and play an important role in regulating cellular ATP levels under stress. We identified 17 APY homologs in A. hypogaea (AhAPYs), and their phylogenetic relationships, conserved motifs, putative miRNAs targeting different AhAPYs, cis-regulatory elements, etc., were studied in detail. The transcriptome expression data were used to observe the expression patterns in different tissues and under stress conditions. We found that the AhAPY2-1 gene showed abundant expression in the pericarp. As the pericarp is a key defense organ against environmental stress and promoters are the key elements regulating gene expression, we functionally characterized the AhAPY2-1 promoter for its possible use in future breeding programs. The functional characterization of AhAPY2-1P in transgenic Arabidopsis plants showed that it effectively regulated GUS gene expression in the pericarp. GUS expression was also detected in flowers of transgenic Arabidopsis plants. Overall, these results strongly suggest that APYs are an important future research subject for peanut and other crops, and AhPAY2-1P can be used to drive the resistance-related genes in a pericarp-specific manner to enhance the defensive abilities of the pericarp.
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Aguilera A, Distéfano A, Jauzein C, Correa-Aragunde N, Martinez D, Martin MV, Sueldo DJ. Do photosynthetic cells communicate with each other during cell death? From cyanobacteria to vascular plants. JOURNAL OF EXPERIMENTAL BOTANY 2022; 73:7219-7242. [PMID: 36179088 DOI: 10.1093/jxb/erac363] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Accepted: 09/15/2022] [Indexed: 06/16/2023]
Abstract
As in metazoans, life in oxygenic photosynthetic organisms relies on the accurate regulation of cell death. During development and in response to the environment, photosynthetic cells activate and execute cell death pathways that culminate in the death of a specific group of cells, a process known as regulated cell death (RCD). RCD control is instrumental, as its misregulation can lead to growth penalties and even the death of the entire organism. Intracellular molecules released during cell demise may act as 'survival' or 'death' signals and control the propagation of cell death to surrounding cells, even in unicellular organisms. This review explores different signals involved in cell-cell communication and systemic signalling in photosynthetic organisms, in particular Ca2+, reactive oxygen species, lipid derivates, nitric oxide, and eATP. We discuss their possible mode-of-action as either 'survival' or 'death' molecules and their potential role in determining cell fate in neighbouring cells. By comparing the knowledge available across the taxonomic spectrum of this coherent phylogenetic group, from cyanobacteria to vascular plants, we aim at contributing to the identification of conserved mechanisms that control cell death propagation in oxygenic photosynthetic organisms.
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Affiliation(s)
- Anabella Aguilera
- Centre for Ecology and Evolution in Microbial Model Systems (EEMiS), Linnaeus University, 39231 Kalmar, Sweden
| | - Ayelén Distéfano
- Instituto de Investigaciones Biológicas-CONICET, Universidad Nacional de Mar del Plata, 7600 Mar del Plata, Argentina
| | - Cécile Jauzein
- Ifremer, Centre de Brest, DYNECO-Pelagos, F-29280 Plouzané, France
| | - Natalia Correa-Aragunde
- Instituto de Investigaciones Biológicas-CONICET, Universidad Nacional de Mar del Plata, 7600 Mar del Plata, Argentina
| | - Dana Martinez
- Instituto de Fisiología Vegetal (INFIVE-CONICET), Universidad Nacional de La Plata, 1900 La Plata, Argentina
| | - María Victoria Martin
- Instituto de Investigaciones en Biodiversidad y Biotecnología (INBIOTEC-CONICET), Fundación para Investigaciones Biológicas Aplicadas (FIBA), Universidad Nacional de Mar del Plata,7600 Mar del Plata, Argentina
| | - Daniela J Sueldo
- Norwegian University of Science and Technology, 7491 Trondheim, Norway
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Shan Y, Zhang D, Luo Z, Li T, Qu H, Duan X, Jiang Y. Advances in chilling injury of postharvest fruit and vegetable: Extracellular ATP aspects. Compr Rev Food Sci Food Saf 2022; 21:4251-4273. [PMID: 35876655 DOI: 10.1111/1541-4337.13003] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 06/03/2022] [Accepted: 06/16/2022] [Indexed: 01/28/2023]
Abstract
Due to the global use of cold chain, the development of postharvest technology to reduce chilling injury (CI) in postharvest fruits and vegetables during storage and transport is needed urgently. Considerable evidence shows that maintaining intracellular adenosine triphosphate (iATP) in harvested fruits and vegetables is beneficial to inhibiting CI occurrence. Extracellular ATP (eATP) is a damage-associated signal molecule and plays an important role in CI of postharvest fruits and vegetables through its receptor and subsequent signal transduction under low-temperature stress. The development of new aptasensors for the simultaneous determination of eATP level allows for better understanding of the roles of eATP in a myriad of responses mediated by low-temperature stress in relation to the chilling tolerance of postharvest fruits and vegetables. The multiple biological functions of eATP and its receptors in postharvest fruits and vegetables were attributed to interactions with reactive oxygen species (ROS) and nitric oxide (NO) in coordination with phytohormones and other signaling molecules via downstream physiological activities. The complicated interconnection among eATP in relation to its receptors, eATP/iATP homeostasis, ROS, NO, and heat shock proteins triggered by eATP recognition has been emphasized. This paper reviews recent advances in the beneficial effects of energy handling, outlines the production and homeostasis of eATP, discusses the possible mechanism of eATP and its receptors in chilling tolerance, and provides future research directions for CI in postharvest fruits and vegetables during low-temperature storage.
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Affiliation(s)
- Youxia Shan
- Guangdong Provincial Key Laboratory of Applied Botany, Core Botanical Gardens, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
| | - Dandan Zhang
- Guangdong Provincial Key Laboratory of Applied Botany, Core Botanical Gardens, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
| | - Zisheng Luo
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
| | - Taotao Li
- Guangdong Provincial Key Laboratory of Applied Botany, Core Botanical Gardens, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
| | - Hongxia Qu
- Guangdong Provincial Key Laboratory of Applied Botany, Core Botanical Gardens, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
| | - Xuewu Duan
- Guangdong Provincial Key Laboratory of Applied Botany, Core Botanical Gardens, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
| | - Yueming Jiang
- Guangdong Provincial Key Laboratory of Applied Botany, Core Botanical Gardens, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China.,College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, China
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7
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Shi Z, Wang H, Zhang Y, Jia L, Pang H, Feng H, Wang X. The involvement of extracellular ATP in regulating the stunted growth of Arabidopsis plants by repeated wounding. BMC PLANT BIOLOGY 2022; 22:279. [PMID: 35676637 PMCID: PMC9175478 DOI: 10.1186/s12870-022-03656-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 05/23/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Extracellular ATP (exATP) has been shown to act as a signal molecule for regulating growth, development, and responses of plants to the external environment. RESULTS In this study, we investigated the possible involvement of exATP in regulating the stunted growth caused by repeated wounding. The present work showed that the repeated wounding caused the decreases in leaf area, fresh weight, dry weight, and root length of Arabidopsis seedlings, while the exATP level was enhanced by the repeated wounding. Repeated application of exogenous ATP had similar effects on the plant growth, as the repeated wounding. Through the comparison of p2k1-3 mutant (in which T-DNA disrupted the gene coding P2K1, as exATP receptor) and wide type (WT) plants, it was found that the mutation in P2K1 decreased the sensitivity of plant growth to the repeated wounding and exogenous ATP application. Further works showed that the ibuprofen (IBU, an inhibitor of jasmonate biosynthesis) partially rescued the wound-induced growth degradation. In comparison, the P2K1 mutation partly rescued the wound-induced growth degradation, whereas this mutation failed to do so in the wounded seedlings treated with IBU, indicating that the role of exATP in regulating the growth degradation by repeated wounding could be linked to the JA signaling pathway. CONCLUSIONS In conclusion, these results indicate that exATP could be a regulator for the stunted growth of plants by repeated wounding.
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Affiliation(s)
- Zhenzhen Shi
- College of Life Science, Northwest Normal University, Lanzhou, Gansu, 730070, China
| | - Hanqi Wang
- College of Life Science, Northwest Normal University, Lanzhou, Gansu, 730070, China
| | - Yuejing Zhang
- College of Life Science, Northwest Normal University, Lanzhou, Gansu, 730070, China
| | - Lingyun Jia
- College of Life Science, Northwest Normal University, Lanzhou, Gansu, 730070, China
| | - Hailong Pang
- College of Life Science, Northwest Normal University, Lanzhou, Gansu, 730070, China
| | - Hanqing Feng
- College of Life Science, Northwest Normal University, Lanzhou, Gansu, 730070, China.
| | - Xin Wang
- College of Life Science, Northwest Normal University, Lanzhou, Gansu, 730070, China
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Sun Y, Qiao Z, Muchero W, Chen JG. Lectin Receptor-Like Kinases: The Sensor and Mediator at the Plant Cell Surface. FRONTIERS IN PLANT SCIENCE 2020; 11:596301. [PMID: 33362827 PMCID: PMC7758398 DOI: 10.3389/fpls.2020.596301] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Accepted: 11/19/2020] [Indexed: 05/17/2023]
Abstract
Lectin receptor-like kinases (LecRLKs), a plant-specific receptor-like kinase (RLK) sub-family, have been recently found to play crucial roles in plant development and responses to abiotic and biotic stresses. In this review, we first describe the classification and structures of Lectin RLKs. Then we focus on the analysis of functions of LecRLKs in various biological processes and discuss the status of LecRLKs from the ligands they recognize, substrate they target, signaling pathways they are involved in, to the overall regulation of growth-defense tradeoffs. LecRLKs and the signaling components they interact with constitute recognition and protection systems at the plant cell surface contributing to the detection of environmental changes monitoring plant fitness.
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Shi C, Wu Y, Fang D, Ma N, Mariga AM, Hu Q, Yang W. Nanocomposite packaging regulates extracellular ATP and programed cell death in edible mushroom (Flammulina velutipes). Food Chem 2019; 309:125702. [PMID: 31685370 DOI: 10.1016/j.foodchem.2019.125702] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Revised: 10/11/2019] [Accepted: 10/13/2019] [Indexed: 02/08/2023]
Abstract
Our previous study indicated that nanocomposite packaging material (Nano-PM) containing nano-Ag, nano-TiO2, nano-SiO2 and nanoattapulgite alleviated postharvest senescence of Flammulina velutipes by regulating respiration and energy metabolism. In this study, extracellular ATP (eATP) and programmed cell death (PCD) were employed as critical factors to further investigate the senescence mechanism of postharvest F. velutipes. Results demonstrated that Nano-PM delayed apyrase activity decrease and stimulated critical oxidative phosphorylation-related gene expression to inhibit eATP content increase, which is a crucial signaling molecule related to delaying senescence. The regulation of eATP resulted in alleviating PCD including chromosomal concentration, DNA fragmentation, Ca2+ influx, high caspase-1 activity and cytochrome c content and leading to high cell viability. Overall, Nano-PM alleviated PCD and postharvest senescence of F. velutipes by regulating extracellular ATP.
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Affiliation(s)
- Chong Shi
- College of Food Science and Engineering/Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing University of Finance & Economics, Nanjing, Jiangsu 210023, China
| | - Yuanyue Wu
- College of Food Science and Engineering/Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing University of Finance & Economics, Nanjing, Jiangsu 210023, China
| | - Donglu Fang
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - Ning Ma
- College of Food Science and Engineering/Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing University of Finance & Economics, Nanjing, Jiangsu 210023, China
| | - Alfred Mugambi Mariga
- Faculty of Agriculture and Food Science, Meru University of Science and Technology, P.O. Box 972-60200, Meru, Kenya
| | - Qiuhui Hu
- College of Food Science and Engineering/Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing University of Finance & Economics, Nanjing, Jiangsu 210023, China
| | - Wenjian Yang
- College of Food Science and Engineering/Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing University of Finance & Economics, Nanjing, Jiangsu 210023, China.
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Liu W, Ni J, Shah FA, Ye K, Hu H, Wang Q, Wang D, Yao Y, Huang S, Hou J, Liu C, Wu L. Genome-wide identification, characterization and expression pattern analysis of APYRASE family members in response to abiotic and biotic stresses in wheat. PeerJ 2019; 7:e7622. [PMID: 31565565 PMCID: PMC6744936 DOI: 10.7717/peerj.7622] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Accepted: 08/05/2019] [Indexed: 12/16/2022] Open
Abstract
APYRASEs, which directly regulate intra- and extra-cellular ATP homeostasis, play a pivotal role in the regulation of various stress adaptations in mammals, bacteria and plants. In the present study, we identified and characterized wheat APYRASE family members at the genomic level in wheat. The results identified a total of nine APY homologs with conserved ACR domains. The sequence alignments, phylogenetic relations and conserved motifs of wheat APYs were bioinformatically analyzed. Although they share highly conserved secondary and tertiary structures, the wheat APYs could be mainly categorized into three groups, according to phylogenetic and structural analysis. Additionally, these APYs exhibited similar expression patterns in the root and shoot, among which TaAPY3-1, TaAPY3-3 and TaAPY3-4 had the highest expression levels. The time-course expression patterns of the eight APYs in response to biotic and abiotic stress in the wheat seedlings were also investigated. TaAPY3-2, TaAPY3-3, TaAPY3-4 and TaAPY6 exhibited strong sensitivity to all kinds of stresses in the leaves. Some APYs showed specific expression responses, such as TaAPY6 to heavy metal stress, and TaAPY7 to heat and salt stress. These results suggest that the stress-inducible APYs could have potential roles in the regulation of environmental stress adaptations. Moreover, the catalytic activity of TaAPY3-1 was further analyzed in the in vitro system. The results showed that TaAPY3-1 protein exhibited high catalytic activity in the degradation of ATP and ADP, but with low activity in degradation of TTP and GTP. It also has an extensive range of temperature adaptability, but preferred relatively acidic pH conditions. In this study, the genome-wide identification and characterization of APYs in wheat were suggested to be useful for further genetic modifications in the generation of high-stress-tolerant wheat cultivars.
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Affiliation(s)
- Wenbo Liu
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, China.,University of Science and Technology of China, Hefei, China
| | - Jun Ni
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, China
| | - Faheem Afzal Shah
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, China
| | - Kaiqin Ye
- Anhui Province Key Laboratory of Medical Physics and Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, China
| | - Hao Hu
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, China
| | - Qiaojian Wang
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, China
| | - Dongdong Wang
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, China
| | - Yuanyuan Yao
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, China
| | - Shengwei Huang
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, China
| | - Jinyan Hou
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, China
| | - Chenghong Liu
- Biotechnology Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai, China
| | - Lifang Wu
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, China
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Wang QW, Jia LY, Shi DL, Wang RF, Lu LN, Xie JJ, Sun K, Feng HQ, Li X. Effects of extracellular ATP on local and systemic responses of bean (Phaseolus vulgaris L) leaves to wounding. Biosci Biotechnol Biochem 2018; 83:417-428. [PMID: 30458666 DOI: 10.1080/09168451.2018.1547623] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Wounding increased the extracellular Adenosine 5'-triphosphate (eATP) level of kidney bean leaves. Treatment with wounding or exogenous ATP increased the hydrogen peroxide (H2O2) content, activities of catalase and polyphenol oxidase, and malondialdehyde content in both the treated and systemic leaves. Pre-treatment with ATP-degrading enzyme, apyrase, to the wounded leaves reduced the wound-induced local and systemic increases in H2O2 content, activities of catalase and polyphenol oxidase, and malondialdehyde content. Application of dimethylthiourea (DMTU) and diphenylene iodonium (DPI) to the wounded and ATP-treated leaves, respectively, reduced the wound- and ATP-induced local and systemic increases in H2O2 content, activities of catalase and polyphenol oxidase, and malondialdehyde content. Moreover, the wound- and ATP-induced systemic increases of these physiological parameters were suppressed when DMTU or DPI applied to leaf petiole of the wounded and ATP-treated leaves. These results suggest that eATP at wounded sites could mediate the wound-induced local and systemic responses by H2O2-dependent signal transduction.
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Affiliation(s)
- Qing-Wen Wang
- a Department of Biology Science, College of Life Sciences , Northwest Normal University , Lanzhou , China
| | - Lin-Yun Jia
- a Department of Biology Science, College of Life Sciences , Northwest Normal University , Lanzhou , China
| | - Dai-Long Shi
- a Department of Biology Science, College of Life Sciences , Northwest Normal University , Lanzhou , China
| | - Rong-Fang Wang
- b Institute of Chemical Engineering , Qingdao University of Science and Technology , Qingdao , China
| | - Li-Na Lu
- a Department of Biology Science, College of Life Sciences , Northwest Normal University , Lanzhou , China
| | - Jia-Jia Xie
- a Department of Biology Science, College of Life Sciences , Northwest Normal University , Lanzhou , China
| | - Kun Sun
- a Department of Biology Science, College of Life Sciences , Northwest Normal University , Lanzhou , China
| | - Han-Qing Feng
- a Department of Biology Science, College of Life Sciences , Northwest Normal University , Lanzhou , China
| | - Xin Li
- c Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations , Lanzhou University , Lanzhou , China
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Structured model and parameter estimation in plant cell cultures of Thevetia peruviana. Bioprocess Biosyst Eng 2016; 40:573-587. [PMID: 27987091 DOI: 10.1007/s00449-016-1722-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2016] [Accepted: 12/06/2016] [Indexed: 10/20/2022]
Abstract
In this work, a mechanistic model for predicting the dynamic behavior of extracellular and intracellular nutrients, biomass production, and the main metabolites involved in the central carbon metabolism in plant cell cultures of Thevetia peruviana is presented. The proposed model is the first mechanistic model implemented for plant cell cultures of this species, and includes 28 metabolites, 33 metabolic reactions, and 61 parameters. Given the over-parametrization of the model, its nonlinear nature and the strong correlation among the effects of the parameters, a parameter estimation routine based on identifiability analysis was implemented. This routine reduces the parameter's search space by selecting the most sensitive and linearly independent parameters. Results have shown that only 19 parameters are identifiable. Finally, the model was used for analyzing the fluxes distribution in plant cell cultures of T. peruviana. This analysis shows high uptake of phosphates and parallel uptake of glucose and fructose. Furthermore, it has pointed out the main central carbon metabolism routes for promoting biomass production in this cell culture.
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Sebastian A, Prasad MNV. Operative photo assimilation associated proteome modulations are critical for iron-dependent cadmium tolerance in Oryza sativa L. PROTOPLASMA 2015; 252:1375-1386. [PMID: 25687295 DOI: 10.1007/s00709-015-0770-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2014] [Accepted: 01/23/2015] [Indexed: 06/04/2023]
Abstract
Iron-dependent Cd tolerance in Oryza sativa L. cv 7029 had been explored. Photo assimilatory process such as photosynthesis and nitrogen fixation found to be functional in the presence of excess Fe during Cd stress. Cd-inducible Fe deficiency demonstrated with upregulation of iron uptake gene families such as OsIRT and OsYSL was attributed as foremost reason for retardation of photo assimilation in the course of Cd treatment. Upholding of photo assimilation during Fe supplement was associated with proteome modulations. Monitoring of proteome responses in leaf and root revealed proteins imperative for alleviation of Cd stress. Specifically, proteins that take part in photosynthesis, glucose metabolism, nitrogen fixation, and abiotic stress tolerance played key role in Fe-dependent Cd detoxification. It is concluded that Fe supply help to operate photo assimilation which enable favorable proteome responses of Cd stress tolerance.
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Affiliation(s)
- Abin Sebastian
- Department of Plant Sciences, University of Hyderabad, Hyderabad, 500046, Telangana, India
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Feng H, Guan D, Bai J, Sun K, Jia L. Extracellular ATP: a potential regulator of plant cell death. MOLECULAR PLANT PATHOLOGY 2015; 16:633-9. [PMID: 25395168 PMCID: PMC6638322 DOI: 10.1111/mpp.12219] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Adenosine 5'-triphosphate (ATP) has been regarded as an intracellular energy currency molecule for many years. In recent decades, it has been determined that ATP is released into the extracellular milieu by animal, plant and microbial cells. In animal cells, this extracellular ATP (eATP) functions as a signalling compound to mediate many cellular processes through its interaction with membrane-associated receptor proteins. It has also been reported that eATP is a signalling molecule required for the regulation of plant growth, development and responses to environmental stimuli. Recently, the first plant receptor for eATP was identified in Arabidopsis thaliana. Interestingly, some studies have shown that eATP is of particular importance in the control of plant cell death. In this review article, we summarize and discuss the theoretical and experimental advances that have been made with regard to the roles and mechanisms of eATP in plant cell death. We also make an attempt to address some speculative aspects to help develop and expand future research in this area.
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Affiliation(s)
- Hanqing Feng
- College of Life Science, Northwest Normal University, Lanzhou, 730070, China
| | - Dongdong Guan
- College of Life Science, Northwest Normal University, Lanzhou, 730070, China
| | - Jingyue Bai
- College of Life Science, Northwest Normal University, Lanzhou, 730070, China
| | - Kun Sun
- College of Life Science, Northwest Normal University, Lanzhou, 730070, China
| | - Lingyun Jia
- College of Life Science, Northwest Normal University, Lanzhou, 730070, China
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Cao Y, Tanaka K, Nguyen CT, Stacey G. Extracellular ATP is a central signaling molecule in plant stress responses. CURRENT OPINION IN PLANT BIOLOGY 2014; 20:82-7. [PMID: 24865948 DOI: 10.1016/j.pbi.2014.04.009] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2014] [Revised: 04/16/2014] [Accepted: 04/24/2014] [Indexed: 05/27/2023]
Abstract
Because of their sessile nature, plants have developed a number of sophisticated signaling systems to adapt to environmental changes. Previous research has shown that extracellular ATP is an important signaling molecule used by plants and functions in a variety of processes, including growth, development, and stress responses. Recently, DORN1 was identified as the first plant purinoceptor, essential for the plant response to ATP. The identification of the receptor is a milestone for our overall understanding of various physiological events regulated by extracellular ATP. In this review, we will discuss the possible roles of DORN1 providing future direction for research into the role of extracellular ATP in plants.
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Affiliation(s)
- Yangrong Cao
- Divisions of Plant Sciences and Biochemistry, National Center for Soybean Biotechnology, C.S. Bond Life Sciences Center, University of Missouri, Columbia, MO 65211, USA
| | - Kiwamu Tanaka
- Divisions of Plant Sciences and Biochemistry, National Center for Soybean Biotechnology, C.S. Bond Life Sciences Center, University of Missouri, Columbia, MO 65211, USA
| | - Cuong T Nguyen
- Divisions of Plant Sciences and Biochemistry, National Center for Soybean Biotechnology, C.S. Bond Life Sciences Center, University of Missouri, Columbia, MO 65211, USA
| | - Gary Stacey
- Divisions of Plant Sciences and Biochemistry, National Center for Soybean Biotechnology, C.S. Bond Life Sciences Center, University of Missouri, Columbia, MO 65211, USA.
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