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Lagarda-Clark EA, Goulet C, Duarte-Sierra A. Biochemical dynamics during postharvest: Highlighting the interplay of stress during storage and maturation of fresh produce. Biomol Concepts 2024; 15:bmc-2022-0048. [PMID: 38587059 DOI: 10.1515/bmc-2022-0048] [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: 11/25/2023] [Accepted: 03/18/2024] [Indexed: 04/09/2024] Open
Abstract
The lifecycle of fresh produce involves a sequence of biochemical events during their ontology, and these events are particularly significant for climacteric fruits. A high demand during ripening is observed in these plant products, which is reflected in a high rate of respiration and ethylene production. Increased respiratory demand triggers the activation of secondary pathways such as alternate oxidase, which do not experience critical increases in energy consumption in non-climacteric fruit. In addition, biochemical events produced by external factors lead to compensatory responses in fresh produce to counteract the oxidative stress caused by the former. The dynamics of these responses are accompanied by signaling, where reactive oxygen species play a pivotal role in fresh product cell perception. This review aims to describe the protection mechanisms of fresh produce against environmental challenges and how controlled doses of abiotic stressors can be used to improve quality and prolong their shelf-life through the interaction of stress and defense mechanisms.
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Affiliation(s)
- Ernesto Alonso Lagarda-Clark
- Food Science Department, Laval University, Quebec, QC G1V 0A6, Canada
- Center for Research in Plant Innovation (CRIV), Laval University, Quebec, QC G1V 6 0A6, Canada
- Institute on Nutrition and Functional Foods (INAF), Laval University, Quebec, QC G1V 8 0A6, Canada
| | - Charles Goulet
- Food Science Department, Laval University, Quebec, QC G1V 0A6, Canada
- Center for Research in Plant Innovation (CRIV), Laval University, Quebec, QC G1V 6 0A6, Canada
- Department of Phytology, Université Laval, Québec, QC G1V 0A6, Canada
| | - Arturo Duarte-Sierra
- Food Science Department, Laval University, Quebec, QC G1V 0A6, Canada
- Center for Research in Plant Innovation (CRIV), Laval University, Quebec, QC G1V 6 0A6, Canada
- Institute on Nutrition and Functional Foods (INAF), Laval University, Quebec, QC G1V 8 0A6, Canada
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Zhou Y, Liu J, Zhuo Q, Zhang K, Yan J, Tang B, Wei X, Lin L, Liu K. Exogenous glutathione maintains the postharvest quality of mango fruit by modulating the ascorbate-glutathione cycle. PeerJ 2023; 11:e15902. [PMID: 37637166 PMCID: PMC10452625 DOI: 10.7717/peerj.15902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 07/25/2023] [Indexed: 08/29/2023] Open
Abstract
Background Mango fruit is prone to decay after harvest and premature senescence, which significantly lowers its quality and commercial value. Methods The mango fruit (Mangifera indica L.cv. Guixiang) was treated with 0 (control), 2, 5, and 8 mM of reduced glutathione (GSH) after harvest. The fruit was stored at 25 ± 1 °C for 12 days to observe the changes in the antioxidant capacity and postharvest quality. Results Compared with the control, the 5 mM GSH treatment significantly decreased the weight loss by 44.0% and 24.4%, total soluble solids content by 25.1% and 4.5%, and soluble sugar content by 19.0% and 27.0%. Conversely, the 5 mM GSH treatment increased the firmness by 25.9% and 30.7% on days 4 and 8, respectively, and the titratable acidity content by 115.1% on day 8. Additionally, the 5 mM GSH treatment decreased the malondialdehyde and hydrogen peroxide contents and improved the antioxidant capacity of mango fruit by increasing the superoxide dismutase and peroxidase activities and upregulating the expression of the encoding genes. Meanwhile, the higher levels of monodehydroascorbate reductase, dehydroascorbate reductase, and glutathione reductase enzyme activities and gene expressions accelerated the AsA-GSH cycle, thereby increasing the accumulation of AsA and GSH and maintaining the redox balance. Conclusions Overall, the experimental results suggest that 5 mM GSH maintains high antioxidant capacity and postharvest quality of mangoes and can use as an effective preservation technique for postharvest mangoes.
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Affiliation(s)
- Yan Zhou
- Life Science and Technology School, Lingnan Normal University, Zhanjiang, China
| | - Jiameng Liu
- Hainan Key Laboratory of Storage & Processing of Fruits and Vegetables, Agricultural Products Processing Research Institute, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang, China
| | - Qiongyi Zhuo
- Life Science and Technology School, Lingnan Normal University, Zhanjiang, China
| | - Keying Zhang
- Life Science and Technology School, Lingnan Normal University, Zhanjiang, China
| | - Jielin Yan
- Life Science and Technology School, Lingnan Normal University, Zhanjiang, China
| | - Bingmei Tang
- Life Science and Technology School, Lingnan Normal University, Zhanjiang, China
| | - Xiaoyun Wei
- Life Science and Technology School, Lingnan Normal University, Zhanjiang, China
| | - Lijing Lin
- Hainan Key Laboratory of Storage & Processing of Fruits and Vegetables, Agricultural Products Processing Research Institute, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang, China
| | - Kaidong Liu
- Life Science and Technology School, Lingnan Normal University, Zhanjiang, China
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3
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Liu Z, Yang X, Xue H, Bi Y, Zhang Q, Liu Q, Chen J, Nan M, Dov P. Reactive Oxygen Species Metabolism and Diacetoxyscirpenol Biosynthesis Modulation in Potato Tuber Inoculated with Ozone-Treated Fusarium sulphureum. J FOOD PROCESS PRES 2023. [DOI: 10.1155/2023/4823679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
Abstract
Potato dry rot, caused by Fusarium species, is a devastating fungal decay that seriously impacts the yield and quality of potato tubers worldwide. Fusarium sulphureum is a major causal agent causing potato tuber dry rot that leads to trichothecene accumulation in Gansu Province of China. Ozone (O3), a strong oxidant, is widely applied to prevent postharvest disease in fruits and vegetables. In this study, F. sulphureum was first treated with 2 mg L-1 ozone for 0, 30 s, 1 min, and 2 min, then inoculated with the potato tubers. The impact of ozone application on dry rot development and diacetoxyscirpenol (DIA) accumulation and the possible mechanisms involved were analyzed. The results showed that ozone treatment significantly inhibited the development of potato tuber dry rot by activating reactive oxygen species (ROS) metabolism and increased the activities of antioxidant enzymes NADPH oxidase (NOX), superoxide dismutase (SOD), catalase (CAT), and peroxidase (POD) by 24.2%, 13.1%, 45.4%, and 15.8%, respectively, compared with their corresponding control. The activities of key enzymes involved in ascorbate-glutathione cycle (AsA-GSH) of ascorbic peroxidase (APX), dehydroascorbate reductase (DHAR), monodehydroascorbate reductase (MDHAR), and glutathione reductase (GR) also increased by 26.6%, 41.5%, 56%, and 24.1%, respectively, compared with the control group, and their corresponding gene expressions. In addition, ozone treatment markedly suppressed DIA accumulation in potato tubers by downregulating the expression of genes associated with DIA biosynthesis pathway. These results suggest that ozone treatment inhibited the occurrence of potato dry rot and the accumulation of DIA in potato tubers inoculated with F. sulphureum by promoting ROS metabolism and modulating DIA biosynthesis pathway.
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Affiliation(s)
- Zhiguang Liu
- College of Science, Gansu Agricultural University, Lanzhou 730070, China
| | - Xi Yang
- College of Science, Gansu Agricultural University, Lanzhou 730070, China
| | - Huali Xue
- College of Science, Gansu Agricultural University, Lanzhou 730070, China
| | - Yang Bi
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou 730070, China
| | - Qianqian Zhang
- College of Science, Gansu Agricultural University, Lanzhou 730070, China
| | - Qili Liu
- College of Science, Gansu Agricultural University, Lanzhou 730070, China
| | - Jiangyang Chen
- College of Science, Gansu Agricultural University, Lanzhou 730070, China
| | - Mina Nan
- College of Science, Gansu Agricultural University, Lanzhou 730070, China
| | - Prusky Dov
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou 730070, China
- Department of Postharvest Science of Fresh Produce, Agricultural Research Organization, Rishon LeZion 7505101, Israel
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4
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Metabolomics reveals the effect of hypobaric treatment on energy metabolism in vibration-injured ‘Huangguan’ pears. Food Chem 2023; 400:134057. [DOI: 10.1016/j.foodchem.2022.134057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 08/21/2022] [Accepted: 08/27/2022] [Indexed: 11/20/2022]
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Lin D, Yan R, Xing M, Liao S, Chen J, Gan Z. Fucoidan treatment alleviates chilling injury in cucumber by regulating ROS homeostasis and energy metabolism. FRONTIERS IN PLANT SCIENCE 2022; 13:1107687. [PMID: 36618644 PMCID: PMC9816408 DOI: 10.3389/fpls.2022.1107687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Accepted: 12/12/2022] [Indexed: 06/17/2023]
Abstract
INTRODUCTION Chilling injury is a major hindrance to cucumber fruit quality during cold storage. METHODS AND RESULTS In this study, we evaluated the effects of fucoidan on fruit quality, reactive oxygen species homeostasis, and energy metabolism in cucumbers during cold storage. The results showed that, compared with the control cucumber fruit, fucoidan-treated cucumber fruit exhibited a lower chilling injury index and less weight loss, as well as reduced electrolyte leakage and malondialdehyde content. The most pronounced effects were observed following treatment with fucoidan at 15 g/L, which resulted in increased 1,1-diphenyl-2-picrylhydrazyl and hydroxyl radical scavenging rates and reduced superoxide anion production rate and hydrogen peroxide content. The expression and activity levels of peroxidase, catalase, and superoxide dismutase were enhanced by fucoidan treatment. Further, fucoidan treatment maintained high levels of ascorbic acid and glutathione, and high ratios of ascorbic acid/dehydroascorbate and glutathione/oxidized glutathione. Moreover, fucoidan treatment increased the activities of ascorbate peroxidase, monodehydroascorbate reductase, dehydroascorbate reductase, and glutathione reductase and their gene expression. Fucoidan treatment significantly delayed the decrease in ATP and ADP, while preventing an increase in AMP content. Finally, fucoidan treatment delayed the decrease of energy charge and the activities and gene expression of H+-ATPase, Ca2+-ATPase, cytochrome c oxidase, and succinate dehydrogenase in cucumber fruits. CONCLUSION Altogether, our findings indicate that fucoidan can effectively enhance antioxidant capacity and maintain energy metabolism, thereby improving cucumber cold resistance during cold storage.
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Zhou C, Dong W, Jin S, Liu Q, Shi L, Cao S, Li S, Chen W, Yang Z. γ-Aminobutyric acid treatment induced chilling tolerance in postharvest peach fruit by upregulating ascorbic acid and glutathione contents at the molecular level. FRONTIERS IN PLANT SCIENCE 2022; 13:1059979. [PMID: 36570953 PMCID: PMC9768863 DOI: 10.3389/fpls.2022.1059979] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Accepted: 11/21/2022] [Indexed: 06/17/2023]
Abstract
Peach fruit was treated with 5 mM γ-aminobutyric acid (GABA) to further investigate the mechanism by which GABA induced chilling tolerance. Here, we found that GABA not only inhibited the occurrence of chilling injury in peach fruit during cold storage but also maintained fruit quality. Most of the ascorbic acid (AsA) and glutathione (GSH) biosynthetic genes were up-regulated by GABA treatment, and their levels were increased accordingly, thus reducing chilling damage in treated peaches. Meanwhile, the increased transcript of genes in the AsA-GSH cycle by GABA treatment was also related to the induced tolerance against chilling. GABA treatment also increased the expression levels of several candidate ERF transcription factors involved in AsA and GSH biosynthesis. In conclusion, our study found that GABA reduced chilling injury in peach fruit during cold storage due to the higher AsA and GSH contents by positively regulating their modifying genes and candidate transcription factors.
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Affiliation(s)
- Chujiang Zhou
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
- College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, China
| | - Wanqi Dong
- College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, China
| | - Shuwan Jin
- College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, China
| | - Qingli Liu
- College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, China
| | - Liyu Shi
- College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, China
| | - Shifeng Cao
- College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, China
| | - Saisai Li
- College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, China
| | - Wei Chen
- College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, China
| | - Zhenfeng Yang
- College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, China
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Zou Y, Cao S, Zhao B, Sun Z, Liu L, Ji M. Increase in glutathione S-transferase activity and antioxidant damage ability drive resistance to bensulfuron-methyl in Sagittaria trifolia. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2022; 190:240-247. [PMID: 36148723 DOI: 10.1016/j.plaphy.2022.09.007] [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: 07/02/2022] [Revised: 09/06/2022] [Accepted: 09/10/2022] [Indexed: 06/16/2023]
Abstract
Weeds tend to develop resistance to herbicides with time. Understanding the resistance mechanisms evolved by weeds would help manage weed infestation. Sagittaria trifolia, a paddy weed found in the rice fields of Liaoning, China, has developed resistance to bensulfuron-methyl, causing severe yield losses in rice. This study deciphers the underlying mechanisms in terms of non-target-site resistance toward bensulfuron-methyl. We compared the ability of glutathione S-transferase (GST) mediated detoxification metabolism and reactive oxygen species (ROS) scavenging between sensitive (NHS) and resistant (NHR) populations of S. trifolia. The resistance ratio of NHR was 210; but the ratio was significantly decreased after GST-inhibitor treatment (44.9). This indicated that a GST-mediated enhancement of detoxification metabolism stimulated the development of resistance. Similarly, higher GST activity was observed in NHR; but the activity equaled that of NHS after GST-inhibitor treatment. However, treatment with the GST-inhibitor did not completely reverse bensulfuron-methyl resistance in NHR, indicating that additional factors contributed to herbicide resistance in these plants. We observed a rapid increase in H2O2 and malondialdehyde accumulation in the case of NHS after bensulfuron-methyl application, whereas those of NHR remained relatively stable, implying that NHR exhibited higher ROS-scavenging capacity under herbicide stress. Further, NHR showed higher glutathione and ascorbic acid contents and higher activities of glutathione reductase and dehydrogenase reductase, all of which contribute towards herbicide resistance in these plants. Our results indicate that GST-mediated detoxification metabolism of bensulfuron-methyl and ROS scavenging capacity contributed to the development of resistance in S. trifolia.
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Affiliation(s)
- Yize Zou
- College of Plant Protection, Shenyang Agricultural University, No. 120 Dongling Road, Shenhe District, Shenyang City, 110866, China.
| | - Shihan Cao
- College of Plant Protection, Shenyang Agricultural University, No. 120 Dongling Road, Shenhe District, Shenyang City, 110866, China.
| | - Bochui Zhao
- Institute of Cereal and Oil Crops, Hebei Academy of Agriculture and Forestry Sciences, Shijiazhuang, 050035, China.
| | - Zhonghua Sun
- College of Plant Protection, Shenyang Agricultural University, No. 120 Dongling Road, Shenhe District, Shenyang City, 110866, China.
| | - Liru Liu
- College of Plant Protection, Shenyang Agricultural University, No. 120 Dongling Road, Shenhe District, Shenyang City, 110866, China.
| | - Mingshan Ji
- College of Plant Protection, Shenyang Agricultural University, No. 120 Dongling Road, Shenhe District, Shenyang City, 110866, China.
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Rahman WU, Hashmi MS, Durrani Y, Shah S, Ahmad A, Alam S, Ali W. Hypobaric treatment augments the efficacy of 1-MCP in apple fruit. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2022; 59:4221-4229. [PMID: 36193482 PMCID: PMC9525495 DOI: 10.1007/s13197-022-05481-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 04/06/2022] [Accepted: 04/24/2022] [Indexed: 06/16/2023]
Abstract
This research aimed to extend the postharvest shelf life of Royal Gala apple during cold storage and maintain its market value in simulated retail conditions. Apples were treated with hypobaric pressure (50 kPa for 4 h) followed by 1-MCP (0.5 µL L-1, 0.7 µL L-1, and 1.0 µL L-1) treatment for 24 h individually and in combinations, stored at (1 ± 1 °C, 85 ± 3% RH) for 120 d and analyzed for different quality parameters (Peel color, firmness, weight loss, TSS, acidity, ethylene production rate, and respiration rate) at each 30 d interval, followed by a 20 d simulated retail condition at 20 ± 3 °C with 4 d interval. Results indicated that all 1-MCP concentrations were more effective in retaining quality compared to individual hypobaric treatment. However, a synergistic effect was observed by combining 1-MCP with hypobaric treatment. Among the combined treatments, 1.0 µL L-11-MCP + 50 kPa more effectively and significantly retained quality during cold storage. Furthermore, the apples were more juicy, tasty, and attractive in color than others in simulated conditions. Addition of hypobaric treatment to 1-MCP might reduce endogenous ethylene in fruit by outward diffusion and blocking further ethylene synthesis by the action of 1-MCP. However, in-depth study is required for further understanding the phenomena.
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Affiliation(s)
- Wasif Ur Rahman
- Department of Food Science and Technology, The University of Agriculture Peshawar, Peshawar, Pakistan
| | - Majid S. Hashmi
- Department of Food Science and Technology, The University of Agriculture Peshawar, Peshawar, Pakistan
| | - Yasser Durrani
- Department of Food Science and Technology, The University of Agriculture Peshawar, Peshawar, Pakistan
| | - Sadiq Shah
- Department of Food Science and Technology, Abdul Wali Khan University Mardan, Mardan, Pakistan
| | - Ayaz Ahmad
- Department of Food Science and Technology, The University of Agriculture Peshawar, Peshawar, Pakistan
| | - Sahib Alam
- Department of Agricultural Chemistry and Biochemistry, The University of Agriculture Peshawar, Peshawar, Pakistan
| | - Waqar Ali
- Department of Biotechnology, University of Malakand, Chakdara, Pakistan
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Exogenous Application of Melatonin to Green Horn Pepper Fruit Reduces Chilling Injury during Postharvest Cold Storage by Regulating Enzymatic Activities in the Antioxidant System. PLANTS 2022; 11:plants11182367. [PMID: 36145768 PMCID: PMC9505764 DOI: 10.3390/plants11182367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 09/07/2022] [Accepted: 09/08/2022] [Indexed: 11/17/2022]
Abstract
Chilling injury (CI) caused by exposure to low temperatures is a serious problem in the postharvest cold storage of pepper fruit. Melatonin (MT) has been reported to minimize CI in several plants. To evaluate the effectiveness of MT to minimize CI in green horn pepper and the possible mechanism involved, freshly picked green horn peppers were treated with MT solution at 100 μmol L−1 or water and then stored at 4 °C for 25 d. Results showed that MT treatment reduced CI in green horn pepper fruit, as evidenced by lower CI rate and CI index. MT treatment maintained lower postharvest metabolism rate and higher fruit quality of green horn peppers, as shown by reduced weight loss and respiratory rate, maintened fruit firmness and higher contents of chlorophyll, total phenols, flavonoids, total soluble solids and ATP. Additionally, the contents of hydrogen peroxide, superoxide radical, and malondialdehyde were kept low in the MT-treated fruit, and the activities of the enzymes peroxidase, superoxide dismutase, and catalase were significantly elevated. Similarly, the ascorbate–glutathione cycle was enhanced by elevating the activities of ascorbate peroxidase, glutathione reductase, dehydroascorbate reductase, and monodehydroascorbate reductase, to increase the regeneration of ascorbic acid and glutathione. Our results show that MT treatment protected green horn pepper fruit from CI and maintained high fruit quality during cold storage by triggering the antioxidant system
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10
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Maryam A, Anwar R, Malik AU, Khan AS, Ali S, Waris F, Hasan MU, El‐Mogy MM. Pre‐Storage
Hypobaric Treatment Reduces Microbial Spoilage and Maintains Eating Quality of Strawberry Fruits during Low Temperature Conditions. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.17121] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ayesha Maryam
- Postharvest Research and Training Centre, Institute of Horticultural Sciences University of Agriculture 38040 Faisalabad Punjab Pakistan
| | - Raheel Anwar
- Postharvest Research and Training Centre, Institute of Horticultural Sciences University of Agriculture 38040 Faisalabad Punjab Pakistan
| | - Aman Ullah Malik
- Postharvest Research and Training Centre, Institute of Horticultural Sciences University of Agriculture 38040 Faisalabad Punjab Pakistan
| | - Ahmad Sattar Khan
- Postharvest Research and Training Centre, Institute of Horticultural Sciences University of Agriculture 38040 Faisalabad Punjab Pakistan
| | - Sajid Ali
- Department of Horticulture, Faculty of Agricultural Sciences and Technology Bahauddin Zakariya University Multan Pakistan
| | - Faisal Waris
- Postharvest Research and Training Centre, Institute of Horticultural Sciences University of Agriculture 38040 Faisalabad Punjab Pakistan
| | - Mahmood Ul Hasan
- Postharvest Research and Training Centre, Institute of Horticultural Sciences University of Agriculture 38040 Faisalabad Punjab Pakistan
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Li X, Li B, Zheng Y, Luo L, Qin X, Yang Y, Xu J. Physiological and rhizospheric response characteristics to cadmium of a newly identified cadmium accumulator Coreopsis grandiflora Hogg. (Asteraceae). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 241:113739. [PMID: 35714481 DOI: 10.1016/j.ecoenv.2022.113739] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 05/23/2022] [Accepted: 06/01/2022] [Indexed: 06/15/2023]
Abstract
Screening for superior cadmium (Cd) phytoremediation resources and uncovering the mechanisms of plant response to Cd are important for effective phytoremediation of Cd-polluted soils. In this study, the characteristics of Coreopsis grandiflora related to Cd tolerance and accumulation were analyzed to evaluate its Cd phytoremediation potential. The results revealed that C. grandiflora can tolerate up to 20 mg kg-1 of Cd in the soil. This species showed relatively high shoot bioconcentration factors (1.09-1.85) and translocation factors (0.46-0.97) when grown in soils spiked with 5-45 mg kg-1 Cd, suggesting that C. grandiflora is a Cd accumulator and can potentially be used for Cd phytoextraction. Physiological analysis indicated that antioxidant enzymes (i.e., superoxide dismutase, peroxidase, and catalase) and various free amino acids (e.g., proline, histidine, and methionine) participate in Cd detoxification in C. grandiflora grown in soil spiked with 20 mg kg-1 of Cd (Cd20). The overall microbial richness and diversity remained similar between the control (Cd0) and Cd20 soils. However, the abundance of multiple rhizospheric microbial taxa was altered in the Cd20 soil compared with that in the Cd0 soil. Interestingly, many plant growth-promoting microorganisms (e.g., Nocardioides, Flavisolibacter, Rhizobium, Achromobacter, and Penicillium) enriched in the Cd20 soil likely contributed to the growth and vitality of C. grandiflora under Cd stress. Among these, some microorganisms (e.g., Rhizobium, Achromobacter, and Penicillium) likely affected Cd uptake by C. grandiflora. These abundant plant growth-promoting microorganisms potentially interacted with soil pH and the concentrations of Cd and AK in soil. Notably, potassium-solubilizing microbes (e.g., Rhizobium and Penicillium) may effectively solubilize potassium to assist Cd uptake by C. grandiflora. This study provides a new plant resource for Cd phytoextraction and improves our understanding of rhizosphere-associated mechanisms of plant adaptation to Cd-contaminated soil.
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Affiliation(s)
- Xiong Li
- Department of Economic Plants and Biotechnology, Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China; Honghe Center for Mountain Futures, Kunming Institute of Botany, Chinese Academy of Sciences, Honghe 654400, China.
| | - Boqun Li
- Science and Technology Information Center, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
| | - Yan Zheng
- Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
| | - Landi Luo
- Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China; Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Xishuangbanna 666303, China
| | - Xiangshi Qin
- Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
| | - Yongping Yang
- Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China; Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Xishuangbanna 666303, China
| | - Jianchu Xu
- Department of Economic Plants and Biotechnology, Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China; Honghe Center for Mountain Futures, Kunming Institute of Botany, Chinese Academy of Sciences, Honghe 654400, China
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12
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Liu Y, Lu L, Zhang Y, Yin Q, Yi N, Qaseem MF, Li H, Wu AM. Potassium deficiency inhibits leaf growth and promotes leaf necrotic spots in Neolamarckia cadamba (Roxb.) Bosser. TREE PHYSIOLOGY 2022; 42:1256-1268. [PMID: 34940885 DOI: 10.1093/treephys/tpab172] [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: 08/23/2021] [Accepted: 12/19/2021] [Indexed: 06/14/2023]
Abstract
Leaves, being a key plant organ involved in photosynthesis, play an important role in plant growth and development. Although there have been a few studies on the effects of potassium (K+) deficiency on the leaves of woody plants, knowledge about mechanism of necrotic spot formation on leaves during K+ deficiency is scarce. We used a hydroponics setup to understand the effects of K+ deficiency on Neolamarckia cadamba (Roxb.) Bosser. K+ deficiency resulted in smaller leaves and necrotic spots on the older leaves, whereas regulatory modules of the differentially expressed genes (DEGs) involved in cell proliferation, cell cycle and cell expansion were downregulated. K+ deficiency increased the activity of reactive oxygen species scavenging enzymes such as superoxide dismutase, ascorbate peroxidases and malondialdehyde, and expression of DEGs related to these was also upregulated. Strong diaminobenzidine staining was observed on the older leaves showing accumulation of H2O2 during K+ deficiency treatment. In addition, putrescine and ethylene synthesis genes were upregulated. Fifteen DEGs in response to ethylene signaling, including ETR1, ETR2, EBF1, ERF1 and ERF2, were upregulated in the third week. The leaf growth changes caused by K+ deficiency in N. cadamba were well demonstrated by our findings.
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Affiliation(s)
- Yi Liu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, No. 483, Wushan Road, Tianhe District, Guangzhou 510642, China
- Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architectures, South China Agricultural University, No.483, Wushan Road, Tianhe District, Guangzhou 510642, China
| | - Lu Lu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, No. 483, Wushan Road, Tianhe District, Guangzhou 510642, China
- Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architectures, South China Agricultural University, No.483, Wushan Road, Tianhe District, Guangzhou 510642, China
| | - Yuanyuan Zhang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, No. 483, Wushan Road, Tianhe District, Guangzhou 510642, China
- Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architectures, South China Agricultural University, No.483, Wushan Road, Tianhe District, Guangzhou 510642, China
| | - Qi Yin
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, No. 483, Wushan Road, Tianhe District, Guangzhou 510642, China
- Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architectures, South China Agricultural University, No.483, Wushan Road, Tianhe District, Guangzhou 510642, China
| | - Na Yi
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, No. 483, Wushan Road, Tianhe District, Guangzhou 510642, China
- Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architectures, South China Agricultural University, No.483, Wushan Road, Tianhe District, Guangzhou 510642, China
| | - Mirza Faisal Qaseem
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, No. 483, Wushan Road, Tianhe District, Guangzhou 510642, China
- Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architectures, South China Agricultural University, No.483, Wushan Road, Tianhe District, Guangzhou 510642, China
| | - Huiling Li
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, No. 483, Wushan Road, Tianhe District, Guangzhou 510642, China
- Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architectures, South China Agricultural University, No.483, Wushan Road, Tianhe District, Guangzhou 510642, China
| | - Ai-Min Wu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, No. 483, Wushan Road, Tianhe District, Guangzhou 510642, China
- Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architectures, South China Agricultural University, No.483, Wushan Road, Tianhe District, Guangzhou 510642, China
- Guangdong Laboratory of Lingnan Modern Agriculture, No. 483, Wushan Road, Tianhe District, Guangzhou, 510642, China
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13
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Zhang X, Liu T, Zhu S, Wang D, Sun S, Xin L. Short‐term hypobaric treatment alleviates chilling injury by regulating membrane fatty acids metabolism in peach fruit. J Food Biochem 2022; 46:e14113. [DOI: 10.1111/jfbc.14113] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 12/27/2021] [Accepted: 01/18/2022] [Indexed: 11/28/2022]
Affiliation(s)
| | - Tao Liu
- Huangdao Customs District P. R. China Qingdao PR China
| | - Shuhua Zhu
- College of Chemistry and Material Science Shandong Agricultural University Tai’an PR China
| | - Dan Wang
- Shandong Institute of Pomology Tai’an PR China
| | - Shan Sun
- Shandong Institute of Pomology Tai’an PR China
| | - Li Xin
- Shandong Institute of Pomology Tai’an PR China
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14
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Liu T, Zhang X. Comparative transcriptome and metabolome analysis reveal glutathione metabolic network and functional genes underlying blue and red-light mediation in maize seedling leaf. BMC PLANT BIOLOGY 2021; 21:593. [PMID: 34906076 PMCID: PMC8670197 DOI: 10.1186/s12870-021-03376-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 11/30/2021] [Indexed: 06/14/2023]
Abstract
BACKGROUND Light quality severely affects biosynthesis and metabolism-associated process of glutathione. However, the role of specific light is still unclear on the glutathione metabolism. In this article, comparatively transcriptome and metabolome methods are used to fully understand the blue and red-light conditions working on the glutathione metabolism in maize seedling leaf. RESULTS There are 20 differently expressed genes and 4 differently expressed metabolites in KEGG pathway of glutathione metabolism. Among them, 12 genes belong to the glutathione S-transferase family, 3 genes belong to the ascorbate peroxidase gene family and 2 genes belong to the ribonucleoside-diphosphate reductase gene family. Three genes, G6PD, SPDS1, and GPX1 belong to the gene family of glucose 6-phosphate dehydrogenase, spermidine synthase, and glutathione peroxidase, respectively. Four differently expressed metabolites are identified. Three of them, Glutathione disulfide, Glutathione, and l-γ-Glutamyl-L-amino acid are decreased while L-Glutamate is increased. In addition, Through PPI analysis, two annotated genes gst16 and DAAT, and 3 unidentified genes 100381533, pco105094 and umc2770, identified as RPP13-like3, BCAT-like1and GMPS, were obtained. By the analysis of protein sequence and PPI network, we predict that pco105094 and umc2770 were involved in the GSSG-GSH and AsA-GSH cycle in the network of glutathione metabolism. CONCLUSIONS Compared to red light, blue light remarkably changed the transcription signal transduction and metabolism of glutathione metabolism. Differently expressed genes and metabolic mapped to the glutathione metabolism signaling pathways. In total, we obtained three unidentified genes, and two of them were predicted in current glutathione metabolism network. This result will contribute to the research of glutathione metabolism of maize.
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Affiliation(s)
- Tiedong Liu
- College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, 350002 Fujian China
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, 350002 Fujian China
| | - Xiwen Zhang
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, 350002 Fujian China
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15
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Meng X, Chen C, Song T, Xu J, Zhang X, Wang J, Pan Z, Zhang H, Zhang H. Effect of nano-silica coating combined with pressurized Ar treatment on postharvest quality and reactive oxygen species metabolism in sweet cherry fruit. Food Chem 2021; 374:131715. [PMID: 34896947 DOI: 10.1016/j.foodchem.2021.131715] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 11/03/2021] [Accepted: 11/27/2021] [Indexed: 12/19/2022]
Abstract
The mechanisms of effect of nano-silica coating and pressurized Ar on regulating reactive oxygen species (ROS) generation and scavenging in the senescence of sweet cherries remains unclear. The amounts of reactive oxygen species, hydrogen peroxide, non-enzymatic antioxidants and antioxidases, and cell membrane lipid peroxidation in sweet cherries were determined. Nano-silica coating, pressurized Ar, and the combination of these two treatments, all significantly delayed senescence by suppressing decay rate, and maintained good sensory quality. In additional, all treatments inhibited the generation and accumulation of superoxide anion and hydrogen peroxide, and mitigated the lipid peroxidation of cell membranes of sweet cherries. The combination of these two treatments maintained higher contents of ascorbic acid and glutathione, and enhanced the activities of antioxidases in sweet cherries. It is suggested that nano-silica coating and pressure Ar mediated the ROS metabolism, which might have a role in retaining the quality sweet cherries during cold storage.
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Affiliation(s)
- Xiangyong Meng
- College of Life Science, Anhui Normal University, Wuhu 241000, China; Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University (BTBU), Beijing 100048, China
| | - Chang Chen
- Department of Biological and Agricultural Engineering, University of California, Davis One Shields Avenue, Davis, CA 95616, USA
| | - Teng Song
- College of Life Science, Anhui Normal University, Wuhu 241000, China
| | - Jingwen Xu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | | | - Jing Wang
- Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University (BTBU), Beijing 100048, China
| | - Zhongli Pan
- Department of Biological and Agricultural Engineering, University of California, Davis One Shields Avenue, Davis, CA 95616, USA
| | - Huien Zhang
- Zhejiang Provincial Top Key Discipline of Biological Engineering, Zhejiang Wanli, University, Ningbo 315100, China.
| | - Huijuan Zhang
- Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University (BTBU), Beijing 100048, China.
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16
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Li X, Chen D, Yang Y, Liu Y, Luo L, Chen Q, Yang Y. Comparative transcriptomics analysis reveals differential Cd response processes in roots of two turnip landraces with different Cd accumulation capacities. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 220:112392. [PMID: 34102395 DOI: 10.1016/j.ecoenv.2021.112392] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 05/05/2021] [Accepted: 05/28/2021] [Indexed: 06/12/2023]
Abstract
Understanding the molecular mechanisms of cadmium (Cd) tolerance and accumulation in plants is important to address Cd pollution. In the present study, we performed comparative transcriptome analysis to identify the Cd response processes in the roots of two turnip landraces, KTRG-B14 (high-Cd accumulation) and KTRG-B36 (low-Cd accumulation). Two common enhanced processes, glutathione metabolism and antioxidant system, were identified in both landraces. However, some differential antioxidant processes are likely employed by two landraces, namely, several genes encoding peptide methionine sulfoxide reductases and thioredoxins were up-regulated in B14, whereas flavonoid synthesis was potentially induced to fight against oxidative stress in B36. In addition to the commonly upregulated ZINC INDUCED FACILITATOR 1-like gene in two landraces, different metal transporter-encoding genes identified in B14 (DETOXIFICATION 1) and B36 (PLANT CADMIUM RESISTANCE 2-like, probable zinc transporter 10, and ABC transporter C family member 3) were responsible for Cd accumulation and distribution in cells. Several genes that encode extensins were specifically upregulated in B14, which may improve Cd accumulation in cell walls or regulate root development to absorb more Cd. Meanwhile, the induced high-affinity nitrate transporter 2.1-like gene was also likely to contribute to the higher Cd accumulation in B14. However, Cd also caused some toxic symptoms in both landraces. Cd stress might inhibit iron uptake in both landraces whereas many apoenzyme-encoding genes were influenced in B36, which may be attributed to the interaction between Cd and other metal ions. This study provides novel insights into the molecular mechanism of plant root response to Cd at an early stage. The transporters and key enzymes identified in this study are helpful for the molecular-assisted breeding of low- or high-Cd-accumulating plant resources.
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Affiliation(s)
- Xiong Li
- Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China; Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China.
| | - Di Chen
- Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
| | - Ya Yang
- Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
| | - Yuanyuan Liu
- Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
| | - Landi Luo
- School of Ecology and Environmental Science, Yunnan University, Kunming 650091, China
| | - Qian Chen
- Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
| | - Yongping Yang
- Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China; Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Xishuangbanna 666303, China.
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17
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Effects of CaCl 2 Treatment Alleviates Chilling Injury of Loquat Fruit ( Eribotrya japonica) by Modulating ROS Homeostasis. Foods 2021; 10:foods10071662. [PMID: 34359530 PMCID: PMC8304281 DOI: 10.3390/foods10071662] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 07/14/2021] [Accepted: 07/15/2021] [Indexed: 11/17/2022] Open
Abstract
The effects of calcium chloride (CaCl2) treatment on chilling injury (CI), reactive oxygen species (ROS) metabolism, and ascorbate-glutathione (AsA-GSH) cycle in loquat fruit at 1 °C storage for 35 d were investigated. The results indicated that CaCl2 treatment remarkably suppressed the increase in browning index and firmness as well as the decrease in extractable juice rate. CaCl2 treatment also decreased the production of superoxide radical (O2•-), hydrogen peroxide (H2O2) content, but increased the 1,1-diphenyl-2-picrylhydrazyl (DPPH), hydroxyl radical (OH•) scavenging ability, the activities of superoxide dismutase (SOD), catalase (CAT), and their gene expressions. Moreover, compared to the control loquat fruit, CaCl2-treated fruit maintained higher contents of AsA, GSH, higher levels of activities of ascorbate peroxidase (APX), glutathione reductase (GR), dehydroascorbate reductase (DHAR), and monodehydroascorbate reductase (MDHAR) and expressions of EjAPX, EjGR, EjMDHAR, and EjDHAR, but exhibited lower glutathione disulfide (GSSG) content. These results suggested that CaCl2 treatment alleviated CI in loquat fruit through enhancing antioxidant enzymes activities and AsA-GSH cycle system to quench ROS.
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18
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Yao M, Ge W, Zhou Q, Zhou X, Luo M, Zhao Y, Wei B, Ji S. Exogenous glutathione alleviates chilling injury in postharvest bell pepper by modulating the ascorbate-glutathione (AsA-GSH) cycle. Food Chem 2021; 352:129458. [PMID: 33714166 DOI: 10.1016/j.foodchem.2021.129458] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 02/02/2021] [Accepted: 02/20/2021] [Indexed: 11/25/2022]
Abstract
We investigated the effect of exogenous glutathione (GSH) on chilling injury (CI) in postharvest bell pepper fruits stored at low temperature and explored the mechanism of this treatment from the perspective of the ascorbate-glutathione (AsA-GSH) cycle. Compared with the control, fruits treated with exogenous GSH before refrigeration displayed only slight CI symptoms and mitigated CI-induced cell damage after 10 d. Moreover, the treated peppers had lower lipid peroxidation product, H2O2, and O2- content than those did the control. Glutathione treatment enhanced the ascorbate-glutathione cycle by upregulating CaAPX1, CaGR2, CaMDHAR1, and CaDHAR1 and the antioxidant enzymes APX, GR, and MDHAR associated with the ascorbate-glutathione cycle. Glutathione treatment also increased ascorbate and glutathione concentrations. Taken together, our results showed that exogenous GSH treatment could alleviate CI in pepper fruits during cold storage by triggering the AsA-GSH cycle and improving antioxidant capacity.
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Affiliation(s)
- Miaomiao Yao
- College of Food Science, Shenyang Agricultural University, No. 120 Dongling Road, Shenhe District, Shenyang City 110866, PR China
| | - Wanying Ge
- College of Food Science, Shenyang Agricultural University, No. 120 Dongling Road, Shenhe District, Shenyang City 110866, PR China
| | - Qian Zhou
- College of Food Science, Shenyang Agricultural University, No. 120 Dongling Road, Shenhe District, Shenyang City 110866, PR China
| | - Xin Zhou
- College of Food Science, Shenyang Agricultural University, No. 120 Dongling Road, Shenhe District, Shenyang City 110866, PR China
| | - Manli Luo
- College of Food Science, Shenyang Agricultural University, No. 120 Dongling Road, Shenhe District, Shenyang City 110866, PR China
| | - Yingbo Zhao
- College of Food Science, Shenyang Agricultural University, No. 120 Dongling Road, Shenhe District, Shenyang City 110866, PR China
| | - Baodong Wei
- College of Food Science, Shenyang Agricultural University, No. 120 Dongling Road, Shenhe District, Shenyang City 110866, PR China
| | - Shujuan Ji
- College of Food Science, Shenyang Agricultural University, No. 120 Dongling Road, Shenhe District, Shenyang City 110866, PR China.
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19
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Huan C, Li H, Jiang Z, Li S, Shen S, Zheng X. Effect of hypobaric treatment on off-flavour development and energy metabolism in ‘Bruno’ kiwifruit. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2020.110349] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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20
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Ge W, Zhao Y, Kong X, Sun H, Luo M, Yao M, Wei B, Ji S. Combining salicylic acid and trisodium phosphate alleviates chilling injury in bell pepper (Capsicum annuum L.) through enhancing fatty-acid desaturation efficiency and water retention. Food Chem 2020; 327:127057. [PMID: 32464461 DOI: 10.1016/j.foodchem.2020.127057] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 05/11/2020] [Accepted: 05/12/2020] [Indexed: 12/24/2022]
Abstract
Chilling injury (CI) restricts the quality and shelf life of bell pepper fruits; reducing these CI-induced detrimental effects is therefore of high economic and agricultural relevance. Here, we investigated the effects of trisodium phosphate (TSP), salicylic acid (SA), and TSP + SA treatments on pepper fruits under cold stress at 4 °C for 25 d. Combined TSP + SA treatment performed an optimal effect. Specifically, TSP + SA treatment enhanced fatty-acid desaturation efficiency, as indicated by the increased expression of key fatty acid desaturase genes, and higher content of unsaturated fatty acids. Meanwhile, TSP + SA treatment inhibited the CI-induced membrane damage, manifested as lower electrolyte leakage and malondialdehyde content. Furthermore, low field-nuclear magnetic resonance and proline content also revealed that TSP + SA treatment mitigated CI through enhancing water retention in pepper fruits. Collectively, our results may shed new light on optimizing the low-temperature storage conditions of post-harvest peppers.
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Affiliation(s)
- Wanying Ge
- College of Food, Shenyang Agricultural University, No.120 Dongling Road, Shenhe District, Shenyang City 110866, People's Republic of China
| | - Yingbo Zhao
- College of Food, Shenyang Agricultural University, No.120 Dongling Road, Shenhe District, Shenyang City 110866, People's Republic of China
| | - Ximan Kong
- College of Food, Shenyang Agricultural University, No.120 Dongling Road, Shenhe District, Shenyang City 110866, People's Republic of China
| | - Huajun Sun
- College of Food, Shenyang Agricultural University, No.120 Dongling Road, Shenhe District, Shenyang City 110866, People's Republic of China
| | - Manli Luo
- College of Food, Shenyang Agricultural University, No.120 Dongling Road, Shenhe District, Shenyang City 110866, People's Republic of China
| | - Miaomiao Yao
- College of Food, Shenyang Agricultural University, No.120 Dongling Road, Shenhe District, Shenyang City 110866, People's Republic of China
| | - Baodong Wei
- College of Food, Shenyang Agricultural University, No.120 Dongling Road, Shenhe District, Shenyang City 110866, People's Republic of China
| | - Shujuan Ji
- College of Food, Shenyang Agricultural University, No.120 Dongling Road, Shenhe District, Shenyang City 110866, People's Republic of China.
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21
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Min D, Li Z, Ai W, Li J, Zhou J, Zhang X, Mu D, Li F, Li X, Guo Y. The Co-regulation of Ethylene Biosynthesis and Ascorbate-Glutathione Cycle by Methy Jasmonate Contributes to Aroma Formation of Tomato Fruit during Postharvest Ripening. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:10822-10832. [PMID: 32866003 DOI: 10.1021/acs.jafc.0c04519] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Currently, many fruits are always harvested at the early ripening stage to reduce postharvest losses followed by 1-methylcyclopropene (1-MCP) or ethephon treatment. However, harvesting at the early ripening stage adversely affects fruit quality, especially for the aroma. Methyl jasmonate (MeJA) treatment could induce the biosynthesis of bioactive compounds and maintain postharvest fruit quality. In the present work, the contributions of MeJA to tomato fruit quality during postharvest ripening were studied. The results showed that MeJA treatment significantly promoted the accumulation of volatile organic components (VOCs) by inducing the activities of enzymes related to lipoxygenase pathway and ethylene biosynthesis, whereas 1-MCP treatment largely inhibited the accumulation of VOCs by inhibiting activities of those enzymes. Although the application of ethephon also induced activities of the above enzymes in comparison with control, no significant differences were observed between the VOCs contents of the control and ethephon-treated fruit. Further study revealed that the ethephon treatment resulted in the enhancement of electrical conductivity and malondialdehyde content. Conversely, MeJA treatment inhibited the superoxide anion radical and hydrogen peroxide by regulating the ascorbate-glutathione cycle and further inhibited the enhancement of electrical conductivity and malondialdehyde content, which might be one of the most important reasons why the VOCs contents in fruit treated with ethephon were lower than those in MeJA-treated fruit. Thus, it is considered that MeJA treatment may be an effective and promising strategy to regulate postharvest tomato fruit quality, especially for the aroma, by regulating the ascorbate-glutathione cycle and ethylene biosynthesis.
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Affiliation(s)
- Dedong Min
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, Shandong, P.R. China
| | - Zilong Li
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, Shandong, P.R. China
| | - Wen Ai
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, Shandong, P.R. China
| | - Jiaozhuo Li
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, Shandong, P.R. China
| | - Jingxiang Zhou
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, Shandong, P.R. China
| | - Xinhua Zhang
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, Shandong, P.R. China
| | - Dan Mu
- Zibo Institute for Food and Drug Control, Zibo, 255049, Shandong, P.R. China
| | - Fujun Li
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, Shandong, P.R. China
| | - Xiaoan Li
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, Shandong, P.R. China
| | - Yanyin Guo
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, Shandong, P.R. China
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22
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Cai H, Han S, Yu M, Ma R, Yu Z. The alleviation of methyl jasmonate on loss of aroma lactones correlated with ethylene biosynthesis in peaches. J Food Sci 2020; 85:2389-2397. [PMID: 32671852 DOI: 10.1111/1750-3841.15339] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 05/13/2020] [Accepted: 05/23/2020] [Indexed: 02/06/2023]
Abstract
Peaches are vulnerable to cold temperature, showing the symptoms of chilling injury (CI). The occurrence of CI results in irreversible aroma loss, especially 'peach-like' lactones loss during cold storage and subsequent shelf life. Methyl jasmonate (MeJA) treatment is effective in alleviating CI symptoms in peach fruit; however, its effect on peach aroma volatiles is still unknown. To explore the effect and mechanism of MeJA treatment on aroma loss of peaches, fruit was treated with 10 µmol/L MeJA, then stored at 4 °C for 3 weeks, and subsequently transferred to 20 °C to simulate shelf life for 3 days. Here, the ability of MeJA to regulate aroma lactones of 'Xiahui 6' peaches was investigated, and the expression of genes responsible for ethylene and lactones biosynthesis was considered. MeJA treatment significantly reduced internal browning index, increased ethylene production, and promoted the emission of aroma-related lactones in peaches during shelf life at room temperature. In addition, MeJA also elevated the expression of PpSAMS, PpACS3, PpACS4, PpACO, and PpACX3 during or after cold storage. These results suggested that MeJA treatment could enhance chilling tolerance in peaches and induce the recovery of ethylene and aroma lactones, which is closely related to ethylene biosynthesis as revealed by upregulated genes expression of PpSAMS, PpACS3/4, and PpACO. PRACTICAL APPLICATION: This research provides theoretical basis for the application of methyl jasmonate in fruit preservation and the basis for molecular breeding to cultivate aroma-abundant peach fruits.
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Affiliation(s)
- Hongfang Cai
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, P.R. China
| | - Shuai Han
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, P.R. China
| | - Mingliang Yu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, P.R. China
| | - Ruijuan Ma
- Institute of Pomology, Jiangsu Academy of Agricultural Sciences, Jiangsu Key Laboratory for Horticultural Crop Genetic Improvement, Nanjing, Jiangsu, 210014, P.R. China
| | - Zhifang Yu
- Institute of Pomology, Jiangsu Academy of Agricultural Sciences, Jiangsu Key Laboratory for Horticultural Crop Genetic Improvement, Nanjing, Jiangsu, 210014, P.R. China
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23
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Rui Z, Huali X, Min S, Yang B, Mina N, Yuanyuan Z, Haitao L, Prusky D, Xiaoyan C. Mechanism of Ca 2+-mediated NOX modulated in ROS metabolism induced by T-2 toxin in potato tuber. Food Chem 2020; 317:126416. [PMID: 32087519 DOI: 10.1016/j.foodchem.2020.126416] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Revised: 02/10/2020] [Accepted: 02/14/2020] [Indexed: 01/14/2023]
Abstract
T-2 toxin at low concentrations can induce ROS accumulation and modulate host resistance in plants. NOX plays crucial roles in ROS production and is regulated by Ca2+via direct binding to EF-hand motifs. In this study, the effect of EGTA (Ca2+ chelating agent) on the expression and enzymatic activity of NOX, as well as the activities and corresponding gene expressions involved in ROS metabolism and cell membrane integrity, were investigated in treated slices. Results indicated that EGTA treatment significantly affected gene expression and activity of NOX, and reduced ROS accumulation and cell membrane integrity and the enzymatic activities and gene expression involved in ROS metabolism when exposed to treatment. The addition of exogenous Ca2+ restored the initial relative transcript abundance, ROS accumulation and their activities. Results suggest that Ca2+ affected by EGTA plays a crucial role in NOX activity regulation, ultimately affecting ROS metabolism in slices induced by T-2 toxin.
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Affiliation(s)
- Zhang Rui
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou 730070, PR China
| | - Xue Huali
- College of Science, Gansu Agricultural University, Lanzhou 730070, PR China.
| | - Si Min
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou 730070, PR China
| | - Bi Yang
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou 730070, PR China.
| | - Nan Mina
- College of Science, Gansu Agricultural University, Lanzhou 730070, PR China
| | - Zong Yuanyuan
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou 730070, PR China
| | - Long Haitao
- College of Science, Gansu Agricultural University, Lanzhou 730070, PR China
| | - Dov Prusky
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou 730070, PR China; Department of Postharvest Science of Fresh Produce, The Volcani Center, Agricultural Research Organization, Bet Dagan 50250, Israel
| | - Cheng Xiaoyan
- College of Science, Gansu Agricultural University, Lanzhou 730070, PR China
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24
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Jiao C, Chai Y, Duan Y. Inositol 1,4,5-Trisphosphate Mediates Nitric-Oxide-Induced Chilling Tolerance and Defense Response in Postharvest Peach Fruit. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:4764-4773. [PMID: 30966738 DOI: 10.1021/acs.jafc.9b00153] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The function of inositol 1,4,5-trisphosphate (IP3) on nitric oxide (NO)-induced chilling tolerance and defense response in postharvest peach fruit was explored. The postharvest fruit were treated with sodium nitroprusside (SNP, exogenous NO donor), cPTIO (NO scavenger), and neomycin (IP3 inhibitor). It turned out that SNP treatment mitigated chilling injury (CI) and stimulated NO accumulation in postharvest peach fruit. Further, SNP enhanced phosphoinositide-specific phospholipase C (PI-PLC) activity and, thereby, stimulated IP3 prodution. SNP also upregulated the activity and expression of superoxide dismutase (SOD), peroxidase (POD), catalase (CAT), ascorbate peroxidase (APX), glutathione S-transferase (GST), and glutathione reductase (GR). In addition, SNP enhanced the expression of small ubiquitin-like modifier (SUMO) and methionine sulfoxide reductase (MSR) and weakened the activity and expression of lipoxygenase (LOX) and phospholipase D (PLD). These above impacts stimulated by SNP treatment were blocked by the addition of cPTIO and neomycin. Overall, IP3 was involved in NO-enhanced chilling tolerance and defense response in postharvest peach fruit.
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Affiliation(s)
- Caifeng Jiao
- Key Opening Laboratory of Agricultural Products Processing and Quality Control, Ministry of Agriculture, Institute of Agro-Food Science and Technology , Chinese Academy of Agricultural Sciences , Beijing 100193 , People's Republic of China
| | - Yifeng Chai
- Key Opening Laboratory of Agricultural Products Processing and Quality Control, Ministry of Agriculture, Institute of Agro-Food Science and Technology , Chinese Academy of Agricultural Sciences , Beijing 100193 , People's Republic of China
| | - Yuquan Duan
- Key Opening Laboratory of Agricultural Products Processing and Quality Control, Ministry of Agriculture, Institute of Agro-Food Science and Technology , Chinese Academy of Agricultural Sciences , Beijing 100193 , People's Republic of China
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25
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Del Pozo T, Miranda S, Latorre M, Olivares F, Pavez L, Gutiérrez R, Maldonado J, Hinrichsen P, Defilippi BG, Orellana A, González M. Comparative Transcriptome Profiling in a Segregating Peach Population with Contrasting Juiciness Phenotypes. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:1598-1607. [PMID: 30632375 DOI: 10.1021/acs.jafc.8b05177] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Cold storage of fruit is one of the methods most commonly employed to extend the postharvest lifespan of peaches ( Prunus persica (L.) Batsch). However, fruit quality in this species is affected negatively by mealiness, a physiological disorder triggered by chilling injury after long periods of exposure to low temperatures during storage and manifested mainly as a lack of juiciness, which ultimately modifies the organoleptic properties of peach fruit. The aim of this study was to identify molecular components and metabolic processes underlying mealiness in susceptible and nonsusceptible segregants. Transcriptome and qRT-PCR profiling were applied to individuals with contrasting juiciness phenotypes in a segregating F2 population. Our results suggest that mealiness is a multiscale phenomenon, because juicy and mealy fruit display distinctive reprogramming processes affecting translational machinery and lipid, sugar, and oxidative metabolism. The candidate genes identified may be useful tools for further crop improvement.
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Affiliation(s)
- Talía Del Pozo
- Centro Tecnológico de Recursos Vegetales, Faculty of Sciences , Universidad Mayor , Santiago, Chile, Camino La Pirámide 5750 , Huechuraba , Santiago , Chile
- Laboratorio de Bioinformática y Expresión Génica , Instituto de Nutrición y Tecnología de los Alimentos, Universidad de Chile , Av. El Líbano 5524 , Santiago , Chile
| | - Simón Miranda
- Centro Tecnológico de Recursos Vegetales, Faculty of Sciences , Universidad Mayor , Santiago, Chile, Camino La Pirámide 5750 , Huechuraba , Santiago , Chile
- Laboratorio de Genética Molecular Vegetal , INTA, Universidad de Chile , Av. El Líbano 5524 , Macul , Santiago , Chile
| | - Mauricio Latorre
- Laboratorio de Bioinformática y Expresión Génica , Instituto de Nutrición y Tecnología de los Alimentos, Universidad de Chile , Av. El Líbano 5524 , Santiago , Chile
- FONDAP Center for Genome Regulation, Av. Blanco Encalada 2085 , Santiago , Chile
- Instituto de Ingeniería , Universidad de O'Higgins , Av. Libertador Bernardo O'Higgins 611 , Rancagua , Chile
- Mathomics, Center for Mathematical Modeling , Universidad de Chile , Av. Almirante Beauchef 851, Seventh Floor , Santiago , Chile
| | - Felipe Olivares
- Laboratorio de Bioinformática y Expresión Génica , Instituto de Nutrición y Tecnología de los Alimentos, Universidad de Chile , Av. El Líbano 5524 , Santiago , Chile
| | - Leonardo Pavez
- Instituto de Ciencias Naturales , Universidad de Las Américas , Av. Manuel Montt 948 , Santiago , Chile
- Departamento de Ciencias Químicas y Biológicas , Universidad Bernardo O'Higgins , General Gana 1702 , Santiago , Chile
| | - Ricardo Gutiérrez
- Cologne Excellence Cluster for Cellular Stress Responses in Aging-Associated Diseases (CECAD) , University of Cologne , Cologne , Germany
| | - Jonathan Maldonado
- Laboratorio de Bioinformática y Expresión Génica , Instituto de Nutrición y Tecnología de los Alimentos, Universidad de Chile , Av. El Líbano 5524 , Santiago , Chile
| | - Patricio Hinrichsen
- Laboratorio de Biotecnología , Instituto de Investigaciones Agropecuarias , INIA La Platina, Santa Rosa 11610 , Santiago , Chile
| | - Bruno G Defilippi
- Unidad de Poscosecha , Instituto de Investigaciones Agropecuarias , INIA La Platina, Santa Rosa 11610 , Santiago , Chile
| | - Ariel Orellana
- FONDAP Center for Genome Regulation, Av. Blanco Encalada 2085 , Santiago , Chile
- Centro de Biotecnología Vegetal, Facultad de Ciencias de la Vida , Universidad Andrés Bello , Santiago , Chile
| | - Mauricio González
- Laboratorio de Bioinformática y Expresión Génica , Instituto de Nutrición y Tecnología de los Alimentos, Universidad de Chile , Av. El Líbano 5524 , Santiago , Chile
- FONDAP Center for Genome Regulation, Av. Blanco Encalada 2085 , Santiago , Chile
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26
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Xu T, Chen Y, Kang H. Melatonin Is a Potential Target for Improving Post-Harvest Preservation of Fruits and Vegetables. FRONTIERS IN PLANT SCIENCE 2019; 10:1388. [PMID: 31737014 PMCID: PMC6831725 DOI: 10.3389/fpls.2019.01388] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 08/20/2019] [Indexed: 05/03/2023]
Abstract
Melatonin is a ubiquitous molecule distributed in nature and not only plays an important role in animals and humans but also has extensive functions in plants, such as delaying senescence, exerting antioxidant effects, regulating growth and development, and facilitating plant adaption to stress conditions. Endogenous melatonin is widespread in fruits and vegetables and plays prominent roles in the ripening and post-harvest process of fruits and vegetables. Exogenous application of melatonin removes excess reactive oxygen species from post-harvest fruits and vegetables by increasing antioxidant enzymes, non-enzymatic antioxidants, and enzymes related to oxidized protein repair. Moreover, exogenous application of melatonin can increase endogenous melatonin to augment its effects on various physiological processes. Many previous reports have demonstrated that application of exogenous melatonin improves the post-harvest preservation of fruits and vegetables. Although overproduction of melatonin in plants via transgenic approaches could be a potential means for improving the post-harvest preservation of fruits and vegetables, efforts to increase endogenous melatonin in plants are limited. In this review, we summarize the recent progress revealing the role and action mechanisms of melatonin in post-harvest fruits and vegetables and provide future directions for the utilization of melatonin to improve the post-harvest preservation of fruits and vegetables.
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Affiliation(s)
- Tao Xu
- Key Lab of Phylogeny and Comparative Genomics of the Jiangsu Province, Institute of Integrative Plant Biology, School of Life Sciences, Jiangsu Normal University, Xuzhou, China
- Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA, United States
- *Correspondence: Tao Xu, ; Hunseung Kang,
| | - Yao Chen
- Key Lab of Phylogeny and Comparative Genomics of the Jiangsu Province, Institute of Integrative Plant Biology, School of Life Sciences, Jiangsu Normal University, Xuzhou, China
| | - Hunseung Kang
- Department of Applied Biology, College of Agriculture and Life Sciences, Chonnam National University, Gwangju, South Korea
- *Correspondence: Tao Xu, ; Hunseung Kang,
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27
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Wang X, Fu D, Fruk G, Chen E, Zhang X. Improving quality control and transparency in honey peach export chain by a multi-sensors-managed traceability system. Food Control 2018. [DOI: 10.1016/j.foodcont.2018.01.008] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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28
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Li X, Zhang X, Wu Y, Li B, Yang Y. Physiological and biochemical analysis of mechanisms underlying cadmium tolerance and accumulation in turnip. PLANT DIVERSITY 2018; 40:19-27. [PMID: 30159537 PMCID: PMC6091934 DOI: 10.1016/j.pld.2017.12.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2017] [Revised: 12/01/2017] [Accepted: 12/27/2017] [Indexed: 05/29/2023]
Abstract
The capacity of plants to accumulate cadmium (Cd) is significant for phytoremediation of Cd-polluted soils. Turnips cultivated in China include species featuring high Cd accumulation and some of these plants act as Cd hyperaccumulator landraces. These plants can accumulate over 100 mg Cd kg-1 dry weight in leaves without injury. Hence, studies that explore mechanisms underlying Cd detoxification and transport in turnip plants are essential. In the present study, we compared physiological and biochemical changes in turnip leaves treated with two Cd concentrations to controls. We discovered that Cd stress significantly increased the enzymatic activities or compound contents in the antioxidant system, including members of the glutathione-ascorbic acid cycle, whereas oxidation of reactive oxygen species (ROS) remained stable. Cd treatments also increased the contents of phytochelatins as well as a number of amino acids. Based on these results, we conclude that turnips initiate a series of response processes to manage Cd treatment. First, the antioxidant system maintaining ROS homeostasis and osmotic adjustment is excited to maintain stability of cell osmotic potential. Cd is chelated into its stable form to reduce its toxicity. Cd is possibly transported to vacuoles or non-protoplasts for isolation. Amino acid synthesis may directly and indirectly play an important role in these processes. This study partly revealed physiological and biochemical mechanisms underlying turnip response to Cd stress and provides information on artificially increasing or decreasing Cd accumulation in turnips and other plants.
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Key Words
- APX, ascorbate peroxidase
- Antioxidant system
- AsA, ascorbic acid
- CAT, catalase
- Cadmium
- Cd, cadmium
- DHAR, dehydroascorbate reductase
- DW, dry weight
- Detoxification
- FW, fresh weight
- GR, glutathione reductase
- GSH, glutathione
- GST, glutathione S-transferase
- H2O2, hydrogen peroxide
- HM, heavy metal
- MDA, malondialdehyde
- Ni, nickel
- O2-, superoxide anion
- PCs, phytochelatins
- POD, peroxidase
- Phytochelatin
- ROS, reactive oxygen species
- SOD, superoxide dismutase
- TCA, trichloroacetic acid
- Turnip
- Zn, zinc
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Affiliation(s)
- Xiong Li
- Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
- China Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Xiaoming Zhang
- Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
- China Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Yuansheng Wu
- College of Plant Protection, Yunnan Agricultural University, Kunming, China
| | - Boqun Li
- Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
- China Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Yongping Yang
- Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
- China Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
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29
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Melatonin increases chilling tolerance in postharvest peach fruit by alleviating oxidative damage. Sci Rep 2018; 8:806. [PMID: 29339757 PMCID: PMC5770464 DOI: 10.1038/s41598-018-19363-5] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Accepted: 12/27/2017] [Indexed: 01/01/2023] Open
Abstract
Melatonin has been reported to alleviate chilling symptoms in postharvest peach fruit during cold storage, however, the mechanism involved is largely unknown. To better understand its role in chilling tolerance, here we investigated the effects of melatonin on oxidative damage in peach fruit subjected to chilling after harvest. Chilling injury of peaches was dramatically reduced by melatonin treatment. Melatonin induced hydrogen peroxide (H2O2) content at the early stage of storage but inhibited its accumulation thereafter. Meanwhile, melatonin also up-regulated the expression of genes involved in antioxidant responses in peaches. In addition, compared to the control fruit, peaches treated with melatonin displayed higher transcript abundance of ascorbic acid (AsA) biosynthetic genes and consequently increased the AsA content. Our results suggested that in response to melatonin during chilling, the high H2O2 level in the treated peaches at the initial time of storage, may work as a signaling molecule to induce protective mechanisms via up-regulating the expression of antioxidative genes and increasing AsA content. On the other hand, after the transient increase in the treated peaches, H2O2 was efficiently removed because of the activated antioxidant systems, which was associated with the higher chilling tolerance induced by melatonin.
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30
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Lou L, Kang J, Pang H, Li Q, Du X, Wu W, Chen J, Lv J. Sulfur Protects Pakchoi (Brassica chinensis L.) Seedlings against Cadmium Stress by Regulating Ascorbate-Glutathione Metabolism. Int J Mol Sci 2017; 18:ijms18081628. [PMID: 28933771 PMCID: PMC5578019 DOI: 10.3390/ijms18081628] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Revised: 07/18/2017] [Accepted: 07/22/2017] [Indexed: 12/13/2022] Open
Abstract
Cadmium (Cd) pollution in food chains pose a potential health risk for humans. Sulfur (S) is a significant macronutrient that plays a significant role in the regulation of plant responses to diverse biotic and abiotic stresses. However, no information is currently available about the impact of S application on ascorbate-glutathione metabolism (ASA-GSH cycle) of Pakchoi plants under Cd stress. The two previously identified genotypes, namely, Aikangqing (a Cd-tolerant cultivar) and Qibaoqing (a Cd-sensitive cultivar), were utilized to investigate the role of S to mitigate Cd toxicity in Pakchoi plants under different Cd regimes. Results showed that Cd stress inhibited plant growth and induced oxidative stress. Exogenous application of S significantly increased the tolerance of Pakchoi seedlings suffering from Cd stress. This effect was demonstrated by increased growth parameters; stimulated activities of the antioxidant enzymes and upregulated genes involved in the ASA-GSH cycle and S assimilation; and by the enhanced ASA, GSH, phytochelatins, and nonprotein thiol production. This study shows that applying S nutrition can mitigate Cd toxicity in Pakchoi plants which has the potential in assisting the development of breeding strategies aimed at limiting Cd phytoaccumulation and decreasing Cd hazards in the food chain.
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Affiliation(s)
- Lili Lou
- College of Life Sciences, Northwest A&F University, Yangling 712100, China.
| | - Jingquan Kang
- College of Life Sciences, Northwest A&F University, Yangling 712100, China.
| | - Hongxi Pang
- College of Agronomy, Northwest A&F University, Yangling 712100, China.
| | - Qiuyu Li
- Innovation Experimental College, Northwest A&F University, Yangling 712100, China.
| | - Xiaoping Du
- College of Life Sciences, Northwest A&F University, Yangling 712100, China.
| | - Wei Wu
- College of Life Sciences, Northwest A&F University, Yangling 712100, China.
| | - Junxiu Chen
- College of Life Sciences, Northwest A&F University, Yangling 712100, China.
| | - Jinyin Lv
- College of Life Sciences, Northwest A&F University, Yangling 712100, China.
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