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Xie L, Yang Q, Wu Y, Xiao J, Qu H, Jiang Y, Li T. Fumonisin B1 Biosynthesis Is Associated with Oxidative Stress and Plays an Important Role in Fusarium proliferatum Infection on Banana Fruit. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:5372-5381. [PMID: 36947157 DOI: 10.1021/acs.jafc.3c00179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Fungal response to oxidative stress during infection on postharvest fruit is largely unknown. Here, we found that hydrogen peroxide (H2O2) treatment inhibited the growth of Fusarium proliferatum causing crown rot of banana fruit, confirmed by scanning electron microscopy (SEM) and transmission electron microscopy (TEM) observation. H2O2 exposure increased endogenous reactive oxygen species (ROS) and fumonisin B1 (FB1) production in F. proliferatum, possibly by modulating FUM or ROS-related gene expression. Importantly, H2O2 treatment inhibited F. proliferatum growth in vivo but induced FB1 accumulation in banana peel. Finally, we constructed the FpFUM21 deletion mutant (ΔFpfum21) of F. proliferatum that was attenuated in FB1 biosynthesis and less tolerant to oxidative stress. Moreover, the ΔFpfum21 strain was less virulent compared to the wild type (WT) due to the inability to induce FB1 production in the banana host. These results suggested that FB1 biosynthesis is associated with oxidative stress in F. proliferatum and contributes to fungal infection on banana fruit.
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Affiliation(s)
- Lihong Xie
- Guangdong Provincial Key Laboratory of Applied Botany & Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, Chinese Academy of Sciences, 723 Xingke Road, Tianhe District, Guangzhou 510650, China
- South China National Botanical Garden, Guangzhou 510650, China
- University of Chinese Academy of Sciences, Beijing 100039, China
| | - Qiuxiao Yang
- Guangdong Provincial Key Laboratory of Applied Botany & Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, Chinese Academy of Sciences, 723 Xingke Road, Tianhe District, Guangzhou 510650, China
- South China National Botanical Garden, Guangzhou 510650, China
- University of Chinese Academy of Sciences, Beijing 100039, China
| | - Yanfei Wu
- Guangdong Provincial Key Laboratory of Applied Botany & Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, Chinese Academy of Sciences, 723 Xingke Road, Tianhe District, Guangzhou 510650, China
- South China National Botanical Garden, Guangzhou 510650, China
- University of Chinese Academy of Sciences, Beijing 100039, China
| | - Jianbo Xiao
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Sciences, Universidade de Vigo, Ourense 32004, Spain
| | - Hongxia Qu
- Guangdong Provincial Key Laboratory of Applied Botany & Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, Chinese Academy of Sciences, 723 Xingke Road, Tianhe District, Guangzhou 510650, China
- South China National Botanical Garden, Guangzhou 510650, China
| | - Yueming Jiang
- Guangdong Provincial Key Laboratory of Applied Botany & Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, Chinese Academy of Sciences, 723 Xingke Road, Tianhe District, Guangzhou 510650, China
- South China National Botanical Garden, Guangzhou 510650, China
| | - Taotao Li
- Guangdong Provincial Key Laboratory of Applied Botany & Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, Chinese Academy of Sciences, 723 Xingke Road, Tianhe District, Guangzhou 510650, China
- South China National Botanical Garden, Guangzhou 510650, China
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2
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Degradation of water-soluble polysaccharides in pulp of litchi during storage. Food Chem 2023; 402:134289. [DOI: 10.1016/j.foodchem.2022.134289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 08/14/2022] [Accepted: 09/13/2022] [Indexed: 11/23/2022]
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3
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Niu J, Sun Z, Shi Y, Huang K, Zhong Y, Chen J, Chen J, Luan M. Comparative Analysis of Akebia trifoliata Fruit Softening at Different Flesh Ripening Stages Using Tandem Mass Tag Technology. Front Nutr 2021; 8:684271. [PMID: 34291071 PMCID: PMC8287030 DOI: 10.3389/fnut.2021.684271] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Accepted: 05/26/2021] [Indexed: 11/13/2022] Open
Abstract
Owing to its medicinal and high nutritional values, Akebia trifoliata can be considered as a new type of medicinal and edible homologous resources, and it has begun to be widely cultivated in many areas of China. Over-softening of fruit would affect the sensorial quality, utilization rate, and consumer acceptance of the fruit postharvest. However, fruit softening has not been characterized and the molecular mechanism underlying A. trifoliata fruit softening during ripening remains unclear. A comparative proteomic analysis was performed on the fruit at three developmental stages using tandem mass tag technology. In total, 2,839 proteins and 302 differentially abundant proteins (DAPs) were identified. Bioinformatics analysis indicated that most DAPs were implicated in oxidoreductase activity, protein domain-specific binding and pyruvate metabolism. Moreover, 29 DAPs associated with cell wall metabolism, plant hormone, and stress and defense response pathways were validated using quantitative PCR. Notably, pectinesterase, pectate lyase, and β-galactosidase, which are involved in cell wall degradation, as well as gibberellin regulated protein, cysteine protease, thaumatin-like protein and heat shock proteins which is involved in plant hormone, and stress and defense response, were significantly up-regulated in softening fruit compared with the levels in non-softening fruit. This indicated that they might play key roles in A. trifoliata fruit softening. Our findings will provide new insights into potential genes influencing fruit softening traits of A. trifoliata, which will help to develop strategies to improve fruit quality and reduce softening-related losses.
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Affiliation(s)
- Juan Niu
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Ministry of Agriculture, Changsha, China
| | - Zhimin Sun
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Ministry of Agriculture, Changsha, China
| | - Yaliang Shi
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Ministry of Agriculture, Changsha, China
| | - Kunyong Huang
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Ministry of Agriculture, Changsha, China
| | - Yicheng Zhong
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Ministry of Agriculture, Changsha, China
| | - Jing Chen
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Ministry of Agriculture, Changsha, China
| | - Jianhua Chen
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Ministry of Agriculture, Changsha, China
| | - Mingbao Luan
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Ministry of Agriculture, Changsha, China
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4
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Effect of electron beam radiation on disease resistance and quality of harvested mangoes. Radiat Phys Chem Oxf Engl 1993 2021. [DOI: 10.1016/j.radphyschem.2020.109289] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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5
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Ripening-related cell wall modifications in olive (Olea europaea L.) fruit: A survey of nine genotypes. Food Chem 2020; 338:127754. [PMID: 32829296 DOI: 10.1016/j.foodchem.2020.127754] [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: 03/16/2020] [Revised: 08/01/2020] [Accepted: 08/01/2020] [Indexed: 11/21/2022]
Abstract
The production of olive (Olea europaea L.) is very important economically in many areas of the world, and particularly in countries around the Mediterranean basin. Ripening-associated modifications in cell wall composition and structure of fruits play an important role in attributes like firmness or susceptibility to infestations, rots and mechanical damage, but limited information on these aspects is currently available for olive. In this work, cell wall metabolism was studied in fruits from nine olive cultivars ('Arbequina', 'Argudell', 'Empeltre', 'Farga', 'Manzanilla', 'Marfil', 'Morrut', 'Picual' and 'Sevillenca') picked at three maturity stages (green, turning and ripe). Yields of alcohol-insoluble residue (AIR) recovered from fruits, as well as calcium content in fruit pericarp, decreased along ripening. Cultivar-specific diversity was observed in time-course change patterns of enzyme activity, particularly for those acting on arabinosyl- and galactosyl-rich pectin side chains. Even so, fruit firmness levels were associated to higher pectin methylesterase (PME) activity and calcium contents. In turn, fruit firmness correlated inversely with ascorbate content and with α-l-arabinofuranosidase (AFase) and β-galactosidase (β-Gal) activities, resulting in preferential loss of neutral sugars from cell wall polymers.
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6
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Effects of hydrogen peroxide treatment on pulp breakdown, softening, and cell wall polysaccharide metabolism in fresh longan fruit. Carbohydr Polym 2020; 242:116427. [DOI: 10.1016/j.carbpol.2020.116427] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Revised: 05/05/2020] [Accepted: 05/07/2020] [Indexed: 12/14/2022]
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7
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Saleem MS, Ejaz S, Anjum MA, Nawaz A, Naz S, Hussain S, Ali S, Canan İ. Postharvest application of gum arabic edible coating delays ripening and maintains quality of persimmon fruits during storage. J FOOD PROCESS PRES 2020. [DOI: 10.1111/jfpp.14583] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
| | - Shaghef Ejaz
- Department of Horticulture Bahauddin Zakariya University Multan Pakistan
| | | | - Aamir Nawaz
- Department of Horticulture Bahauddin Zakariya University Multan Pakistan
| | - Safina Naz
- Department of Horticulture Bahauddin Zakariya University Multan Pakistan
| | - Sajjad Hussain
- Department of Horticulture Bahauddin Zakariya University Multan Pakistan
| | - Sajid Ali
- Department of Horticulture Bahauddin Zakariya University Multan Pakistan
| | - İhsan Canan
- Department of Horticulture Faculty of Agriculture and Natural Sciences Abant İzzet Baysal University Bolu Turkey
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8
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Cell wall composition of alginate coated and pulsed light treated fresh-cut cantaloupes ( Cucumis melo L. Var. Reticulatus Cv. Glamour) during chilled storage. Journal of Food Science and Technology 2020; 57:2206-2221. [PMID: 32431347 DOI: 10.1007/s13197-020-04257-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 10/03/2019] [Accepted: 01/16/2020] [Indexed: 10/25/2022]
Abstract
This study was to investigate the effects of optimised alginate coating combined with repetitive pulsed light (RPL) on cell wall composition of fresh-cut cantaloupes during chilled storage. Fresh-cut cantaloupes were coated with alginate (1.86%, w/v) followed by RPL treatment (0.9 J cm-2 at every 48 h up to 26 days) during storage of 36 days. Cell wall composition of fresh-cut cantaloupes was determined at every 12 days while microscopic analysis was conducted on day 2 and day 36. Alginate was effective in maintaining high pectin fractions of fresh-cut cantaloupes while RPL showed greater contribution in maintaining hemicellulose fraction. However, the combination of alginate and RPL was the most effective treatment to maintain the overall cell wall fractions that contributed to the cell wall integrity of fresh-cut cantaloupes during storage. The alginate + RPL samples also had the greatest cell turgidity and shape with well-defined cell walls at the end of storage.
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9
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Vidot K, Maury C, Siret R, Lahaye M. Phenolic compounds limit or promote oxidative degradation of pectin related to iron-H2O2 ratio. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2020.109324] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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10
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Xiao L, Li T, Jiang G, Jiang Y, Duan X. Cell wall proteome analysis of banana fruit softening using iTRAQ technology. J Proteomics 2019; 209:103506. [DOI: 10.1016/j.jprot.2019.103506] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 06/22/2019] [Accepted: 08/19/2019] [Indexed: 10/26/2022]
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11
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Lin Y, Lin H, Chen Y, Wang H, Lin M, Ritenour MA, Lin Y. The role of ROS-induced change of respiratory metabolism in pulp breakdown development of longan fruit during storage. Food Chem 2019; 305:125439. [PMID: 31499287 DOI: 10.1016/j.foodchem.2019.125439] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 08/24/2019] [Accepted: 08/27/2019] [Indexed: 12/31/2022]
Abstract
Compared to the control longans, hydrogen peroxide (H2O2)-treated longans exhibited higher index of pulp breakdown, higher fruit respiration rate, higher activities of pulp phosphohexose isomerase (PGI), succinate dehydrogenase (SDH), cytochrome C oxidase (CCO), ascorbic acid oxidase (AAO) and polyphenol oxidase (PPO), but lower activity of pulp nicotinamide adenine dinucleotide kinase (NADK). H2O2-treated longans also exhibited lower total activities of pulp glucose-6-phosphate dehydrogenase (G-6-PDH) and 6-phosphogluconate dehydrogenase (6-PGDH), lower levels of pulp NADP(H), but higher levels of pulp NAD(H). These data indicated that H2O2-stimulated longan pulp breakdown was owing to a decreased proportion of pentose phosphate pathway (PPP), the increased proportions of Embden-Meyerhof-Parnas pathway (EMP), tricarboxylic acid (TCA) cycle and cytochrome pathway (CCP) in total respiratory pathways. These findings further revealed that H2O2 could enhance respiration rate, and thus accelerate pulp breakdown occurrence and shorten the shelf life of longan fruit.
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Affiliation(s)
- Yixiong Lin
- Institute of Postharvest Technology of Agricultural Products, College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Hetong Lin
- Institute of Postharvest Technology of Agricultural Products, College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
| | - Yihui Chen
- Institute of Postharvest Technology of Agricultural Products, College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Hui Wang
- Institute of Postharvest Technology of Agricultural Products, College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Mengshi Lin
- Food Science Program, Division of Food System & Bioengineering, University of Missouri, Columbia, MO 65211-5160, USA
| | - Mark A Ritenour
- Indian River Research & Education Center, Institute of Food and Agricultural Sciences, University of Florida, Fort Pierce 34945-3138, USA
| | - Yifen Lin
- Institute of Postharvest Technology of Agricultural Products, College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
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12
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Wang ZG, Guo LL, Ji XR, Yu YH, Zhang GH, Guo DL. Transcriptional Analysis of the Early Ripening of 'Kyoho' Grape in Response to the Treatment of Riboflavin. Genes (Basel) 2019; 10:genes10070514. [PMID: 31284601 PMCID: PMC6678464 DOI: 10.3390/genes10070514] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 07/05/2019] [Accepted: 07/05/2019] [Indexed: 12/16/2022] Open
Abstract
Previous study has demonstrated that the riboflavin treatment promoted the early ripening of the ‘Kyoho’ grape berry. However, the molecular mechanism causing this was unclear. In order to reveal the regulation mechanism of riboflavin treatment on grape berry development and ripening, the different berry developmental stages of the ‘Kyoho’ berry treated with 0.5 mmol/L of riboflavin was sampled for transcriptome profiling. RNA-seq revealed that 1526 and 430 genes were up-regulated and down-regulated, respectively, for the comparisons of the treatment to the control. TCseq analysis showed that the expression patterns of most of the genes were similar between the treatment and the control, except for some genes that were related to the chlorophyll metabolism, photosynthesis–antenna proteins, and photosynthesis, which were revealed by the enrichment analysis of Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG). The differentially expressed genes and weighted gene co-expression network analysis (WGCNA) analysis identified some significantly differentially expressed genes and some hub genes, including up-regulation of the photosynthesis-related ELIP1 and growth and development-related GDSL; and down-regulation of the oxidative stress-related ATHSP22 and berry softening-related XTH32 and GH9B15. The results suggested that the riboflavin treatment resulted in the variations of the expression levels of these genes, and then led to the early ripening of the ‘Kyoho’ berry.
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Affiliation(s)
- Zhen-Guang Wang
- College of Forestry, Henan University of Science and Technology, Luoyang 471023, Henan Province, China
- Henan Engineering Technology Research Center of Quality Regulation and Controlling of Horticultural Plants, Luoyang 471023, Henan Province, China
| | - Li-Li Guo
- Henan Engineering Technology Research Center of Quality Regulation and Controlling of Horticultural Plants, Luoyang 471023, Henan Province, China
- College of Agriculture, Henan University of Science and Technology, Luoyang 471023, Henan Province, China
| | - Xiao-Ru Ji
- College of Forestry, Henan University of Science and Technology, Luoyang 471023, Henan Province, China
- Henan Engineering Technology Research Center of Quality Regulation and Controlling of Horticultural Plants, Luoyang 471023, Henan Province, China
| | - Yi-He Yu
- College of Forestry, Henan University of Science and Technology, Luoyang 471023, Henan Province, China
- Henan Engineering Technology Research Center of Quality Regulation and Controlling of Horticultural Plants, Luoyang 471023, Henan Province, China
| | - Guo-Hai Zhang
- College of Forestry, Henan University of Science and Technology, Luoyang 471023, Henan Province, China.
- Henan Engineering Technology Research Center of Quality Regulation and Controlling of Horticultural Plants, Luoyang 471023, Henan Province, China.
| | - Da-Long Guo
- College of Forestry, Henan University of Science and Technology, Luoyang 471023, Henan Province, China.
- Henan Engineering Technology Research Center of Quality Regulation and Controlling of Horticultural Plants, Luoyang 471023, Henan Province, China.
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13
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Li T, Shi D, Wu Q, Yin C, Li F, Shan Y, Duan X, Jiang Y. Mechanism of Cell Wall Polysaccharides Modification in Harvested 'Shatangju' Mandarin ( Citrus reticulate Blanco) Fruit Caused by Penicillium italicum. Biomolecules 2019; 9:biom9040160. [PMID: 31022937 PMCID: PMC6523094 DOI: 10.3390/biom9040160] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 04/21/2019] [Accepted: 04/23/2019] [Indexed: 02/07/2023] Open
Abstract
Modification of cell wall polysaccharide in the plant plays an important role in response to fungi infection. However, the mechanism of fungi infection on cell wall modification need further clarification. In this study, the effects of Penicillium italicum inoculation on 'shatangju' mandarin disease development and the potential mechanism of cell wall polysaccharides modification caused by P. italicum were investigated. Compared to the control fruit, P. italicum infection modified the cell wall polysaccharides, indicated by water-soluble pectin (WSP), acid-soluble pectin (ASP), hemicellulose and lignin contents change. P. italicum infection enhanced the activities of polygalacturonase (PG), pectin methylesterase (PME), and the expression levels of xyloglucanendotransglucosylase/hydrolase (XTH) and expansin, which might contribute to cell wall disassembly and cellular integrity damage. Additionally, higher accumulation of reactive oxygen species (ROS) via decreasing antioxidant metabolites and the activities of antioxidant enzymes including superoxide dismutase (SOD), catalase (CAT), and ascorbate peroxidase (APX) also contributed to the cell wall polysaccharides modification. Meanwhile, the gene expression levels of hydroxyproline-rich glycoprotein (HRGP) and germin-like protein (GLP) were inhibited by pathogen infection. Altogether, these findings suggested that cell wall degradation/modification caused by non-enzymatic and enzymatic factors was an important strategy for P. italicum to infect 'shatangju' mandarin.
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Affiliation(s)
- Taotao Li
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China.
- Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture, Guangzhou 510650, China.
| | - Dingding Shi
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China.
- University of Chinese Academy of Sciences, Beijing 100039, China.
| | - Qixian Wu
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China.
- University of Chinese Academy of Sciences, Beijing 100039, China.
| | - Chunxiao Yin
- Long Ping Branch, Graduate School of Hunan University, Changsha 410125, China.
| | - Fengjun Li
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China.
- University of Chinese Academy of Sciences, Beijing 100039, China.
| | - Youxia Shan
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China.
- University of Chinese Academy of Sciences, Beijing 100039, China.
| | - Xuewu Duan
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China.
- Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture, Guangzhou 510650, China.
| | - Yueming Jiang
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China.
- Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture, Guangzhou 510650, China.
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14
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Wu Q, Li T, Chen X, Wen L, Yun Z, Jiang Y. Sodium dichloroisocyanurate delays ripening and senescence of banana fruit during storage. Chem Cent J 2018; 12:131. [PMID: 30519833 PMCID: PMC6768313 DOI: 10.1186/s13065-018-0503-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2018] [Accepted: 11/27/2018] [Indexed: 01/07/2023] Open
Abstract
Banana as a typical climacteric fruit soften rapidly, resulting in a very short shelf life after harvest. Sodium dichloroisocyanurate (NaDCC) is reported to be an effectively antibacterial compound. Here, we investigated the effects of NaDCC on ripening and senescence of harvested banana fruit at physiological and molecular levels. Application of 200 mg L−1 NaDCC solution effectively inhibited the ripening and senescence of banana fruit after harvest. NaDCC treatment reduced greatly ethylene production rate and expressions of genes encoding 1-aminocyclopropane-1-carboxylate synthetase, 1-aminocyclopropane-1-carboxylate oxidase, ethylene-responsive transcription factor and EIN3-binding F-box protein. Meanwhile, NaDCC treatment down-regulated markedly the expressions of xyloglucan endotransglucosylase/hydrolase and pectinesterase genes. Furthermore, NaDCC treatment affected significantly the accumulation of ripening-related primary metabolites such as sugars and organic acids. Additionally, NaDCC treatment decreased the production of hydroxyl radical and increased 1,1-diphenyl-2-picrylhydrazyl (DPPH) scavenging activity, reducing power and hydroxyl radical scavenging activity. In conclusion, NaDCC delayed effectively the ripening and senescence of harvested banana fruit via the reduced ethylene effect and enhanced antioxidant activity.
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Affiliation(s)
- Qixian Wu
- Key Laboratory of Plant Resources Conservation and Sustainable Utilization, Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, People's Republic of China.,University of Chinese Academy of Sciences, Beijing, 100039, People's Republic of China
| | - Taotao Li
- Key Laboratory of Plant Resources Conservation and Sustainable Utilization, Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, People's Republic of China
| | - Xi Chen
- Key Laboratory of Plant Resources Conservation and Sustainable Utilization, Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, People's Republic of China.,University of Chinese Academy of Sciences, Beijing, 100039, People's Republic of China
| | - Lingrong Wen
- Key Laboratory of Plant Resources Conservation and Sustainable Utilization, Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, People's Republic of China
| | - Ze Yun
- Key Laboratory of Plant Resources Conservation and Sustainable Utilization, Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, People's Republic of China
| | - Yueming Jiang
- Key Laboratory of Plant Resources Conservation and Sustainable Utilization, Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, People's Republic of China.
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15
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Morales-Quintana L, Ramos P. Chilean strawberry (Fragaria chiloensis): An integrative and comprehensive review. Food Res Int 2018; 119:769-776. [PMID: 30884715 DOI: 10.1016/j.foodres.2018.10.059] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 10/08/2018] [Accepted: 10/21/2018] [Indexed: 02/07/2023]
Abstract
Since an intake of fruits and vegetables displays important effects on the incidence of several chronic and non-infectious diseases in humans, consumers' attention worldwide is focused on identification of functional foods. In this sense, Fragaria chiloensis ssp. chiloensis f. chiloensis fruit has recently emerged as a preferred berry because of its outstanding aroma and exotic white-pink color and high phenolic content. Emerging research provides substantial evidence by which to classify Chilean strawberries as a functional food with several preventive and therapeutic health benefits. Information on the features of the fruit (e.g., quality, physiology, high resistance to pathogens, and sensory attributes) is also scarce. Only a small number of studies provide useful data on handling and storage of the Chilean strawberry; hence, there is no adequate, normalized postharvest strategy for storing and/or producing this species. The objective of this review is to provide and discuss the available literature with an emphasis on physiology aspects and to present 1) fruit physiology and quality, 2) handling and physiological disorders of Chilean strawberry, 3) nutritional content and health properties for consumers, and 4) a highlight of challenges for future research. Again, we discuss the available literature focused on last five-years old with an emphasis on the important postharvest physiology aspects and the molecular mechanisms underlying the quality traits of this exotic strawberry fruit.
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Affiliation(s)
- Luis Morales-Quintana
- Multidisciplinary Agroindustry Research Laboratory, Universidad Autónoma de Chile, Talca, Chile; Instituto de Ciencias Biomédicas, Universidad Autónoma de Chile, Talca, Chile.
| | - Patricio Ramos
- Instituto de Ciencias Biológicas, Universidad de Talca, Talca, Chile; Núcleo Científico Multidiciplinario-DI, Universidad de Talca, Talca, Chile.
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16
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Multivariate Analysis of Fruit Antioxidant Activities of Blackberry Treated with 1-Methylcyclopropene or Vacuum Precooling. Int J Anal Chem 2018; 2018:2416461. [PMID: 29487622 PMCID: PMC5816868 DOI: 10.1155/2018/2416461] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Accepted: 12/31/2017] [Indexed: 11/24/2022] Open
Abstract
Effects of 1-methylcyclopropene (1-MCP) and vacuum precooling on quality and antioxidant properties of blackberries (Rubus spp.) were evaluated using one-way analysis of variance, principal component analysis (PCA), partial least squares (PLS), and path analysis. Results showed that the activities of antioxidant enzymes were enhanced by both 1-MCP treatment and vacuum precooling. PCA could discriminate 1-MCP treated fruit and the vacuum precooled fruit and showed that the radical-scavenging activities in vacuum precooled fruit were higher than those in 1-MCP treated fruit. The scores of PCA showed that H2O2 content was the most important variables of blackberry fruit. PLSR results showed that peroxidase (POD) activity negatively correlated with H2O2 content. The results of path coefficient analysis indicated that glutathione (GSH) also had an indirect effect on H2O2 content.
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Zhi H, Liu Q, Xu J, Dong Y, Liu M, Zong W. Ultrasound enhances calcium absorption of jujube fruit by regulating the cellular calcium distribution and metabolism of cell wall polysaccharides. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2017; 97:5202-5210. [PMID: 28447385 DOI: 10.1002/jsfa.8402] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2016] [Revised: 01/15/2017] [Accepted: 04/21/2017] [Indexed: 05/25/2023]
Abstract
BACKGROUND Ultrasound has been applied in fruit pre-washing processes. However, it is not sufficient to protect fruit from pathogenic infection throughout the entire storage period, and sometimes ultrasound causes tissue damage. The goal of this study was to investigate the effects of calcium chloride (CaCl2 , 10 g L-1 ) and ultrasound (350 W at 40 kHz), separately and in combination, on jujube fruit quality, antioxidant status, tissue Ca2+ content and distribution along with cell wall metabolism at 20 °C for 6 days. RESULTS All three treatments significantly maintained fruit firmness and peel color, reduced respiration rate, decay incidence, superoxide anion, hydrogen peroxide and malondialdehyde and preserved higher enzymatic (superoxide dismutase, catalase and peroxidase) and non-enzymatic (ascorbic acid and glutathione) antioxidants compared with the control. Moreover, the combined treatment was more effective in increasing tissue Ca2+ content and distribution, inhibiting the generation of water-soluble and CDTA-soluble pectin fractions, delaying the solubilization of Na2 CO3 -soluble pectin and having lower activities of cell wall-modifying enzymes (polygalacturonase and pectate lyase) during storage. CONCLUSION These results demonstrated that the combination of CaCl2 and ultrasound has potential commercial application to extend the shelf life of jujube fruit by facilitating Ca2+ absorption and stabilizing the cell wall structure. © 2017 Society of Chemical Industry.
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Affiliation(s)
- Huanhuan Zhi
- College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, Henan, China
- Collaborative Innovation Center of Food Production and Safety, Zhengzhou, Henan, China
| | - Qiqi Liu
- College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, Henan, China
| | - Juan Xu
- Haoxiangni Jujube Industry Co. Ltd, Xinzheng, Henan, China
| | - Yu Dong
- College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, Henan, China
- Collaborative Innovation Center of Food Production and Safety, Zhengzhou, Henan, China
| | - Mengpei Liu
- College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, Henan, China
- Collaborative Innovation Center of Food Production and Safety, Zhengzhou, Henan, China
| | - Wei Zong
- College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, Henan, China
- Collaborative Innovation Center of Food Production and Safety, Zhengzhou, Henan, China
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Ge Y, Hu KD, Wang SS, Hu LY, Chen XY, Li YH, Yang Y, Yang F, Zhang H. Hydrogen sulfide alleviates postharvest ripening and senescence of banana by antagonizing the effect of ethylene. PLoS One 2017; 12:e0180113. [PMID: 28662156 PMCID: PMC5491123 DOI: 10.1371/journal.pone.0180113] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Accepted: 06/11/2017] [Indexed: 11/19/2022] Open
Abstract
Accumulating evidence shows that hydrogen sulfide (H2S) acts as a multifunctional signaling molecule in plants, whereas the interaction between H2S and ethylene is still unclear. In the present study we investigated the role of H2S in ethylene-promoted banana ripening and senescence by the application of ethylene released from 1.0 g·L-1 ethephon solution or H2S with 1 mM sodium hydrosulfide (NaHS) as the donor or in combination. Fumigation with ethylene was found to accelerate banana ripening and H2S treatment effectively alleviated ethylene-induced banana peel yellowing and fruit softening in parallel with decreased activity of polygalacturonase (PG). Ethylene+H2S treatment also delayed the decreases in chlorophyll and total phenolics, and increased the accumulation of flavonoid, whereas decreased the contents of carotenoid, soluble protein in banana peel and reducing sugar in pulp compared with ethylene treatment alone. Besides, ethylene+H2S treatment suppressed the accumulation of superoxide radicals (·O2-), hydrogen peroxide (H2O2) and malondialdehyde (MDA) which accumulated highly in ethylene-treated banana peels. Furthermore H2S enhanced total antioxidant capacity in ethylene-treated banana peels with the 2,2'-azobis(3-ethylbenz-thiazoline-6-sulfonic acid (ABTS) assay. The result of quantitative real-time PCR showed that the combined treatment of ethylene with H2S down-regulated the expression of ethylene synthesis genes MaACS1, MaACS2 and MaACO1 and pectate lyase MaPL compared with ethylene treatment, while the expression of ethylene receptor genes MaETR, MaERS1 and MaERS2 was enhanced in combination treatment compared with ethylene alone. In all, it can be concluded that H2S alleviates banana fruit ripening and senescence by antagonizing the effect of ethylene through reduction of oxidative stress and inhibition of ethylene signaling pathway.
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Affiliation(s)
- Yun Ge
- School of Food Science and Engineering, Hefei University of Technology, Hefei, China
| | - Kang-Di Hu
- School of Food Science and Engineering, Hefei University of Technology, Hefei, China
| | - Sha-Sha Wang
- School of Food Science and Engineering, Hefei University of Technology, Hefei, China
| | - Lan-Ying Hu
- School of Food Science and Engineering, Hefei University of Technology, Hefei, China
| | - Xiao-Yan Chen
- School of Food Science and Engineering, Hefei University of Technology, Hefei, China
| | - Yan-Hong Li
- School of Food Science and Engineering, Hefei University of Technology, Hefei, China
| | - Ying Yang
- College of Environment and Energy Engineering, Anhui Jianzhu University, Hefei, China
| | - Feng Yang
- Xuzhou Institute of Agricultural Sciences of the Xuhuai District of Jiangsu Province, Xuzhou, China
| | - Hua Zhang
- School of Food Science and Engineering, Hefei University of Technology, Hefei, China
- * E-mail:
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Airianah OB, Vreeburg RAM, Fry SC. Pectic polysaccharides are attacked by hydroxyl radicals in ripening fruit: evidence from a fluorescent fingerprinting method. ANNALS OF BOTANY 2016; 117:441-55. [PMID: 26865506 PMCID: PMC4765547 DOI: 10.1093/aob/mcv192] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Revised: 10/02/2015] [Accepted: 10/27/2015] [Indexed: 05/22/2023]
Abstract
BACKGROUND AND AIMS Many fruits soften during ripening, which is important commercially and in rendering the fruit attractive to seed-dispersing animals. Cell-wall polysaccharide hydrolases may contribute to softening, but sometimes appear to be absent. An alternative hypothesis is that hydroxyl radicals ((•)OH) non-enzymically cleave wall polysaccharides. We evaluated this hypothesis by using a new fluorescent labelling procedure to 'fingerprint' (•)OH-attacked polysaccharides. METHODS We tagged fruit polysaccharides with 2-(isopropylamino)-acridone (pAMAC) groups to detect (a) any mid-chain glycosulose residues formed in vivo during (•)OH action and (b) the conventional reducing termini. The pAMAC-labelled pectins were digested with Driselase, and the products resolved by high-voltage electrophoresis and high-pressure liquid chromatography. KEY RESULTS Strawberry, pear, mango, banana, apple, avocado, Arbutus unedo, plum and nectarine pectins all yielded several pAMAC-labelled products. GalA-pAMAC (monomeric galacturonate, labelled with pAMAC at carbon-1) was produced in all species, usually increasing during fruit softening. The six true fruits also gave pAMAC·UA-GalA disaccharides (where pAMAC·UA is an unspecified uronate, labelled at a position other than carbon-1), with yields increasing during softening. Among false fruits, apple and strawberry gave little pAMAC·UA-GalA; pear produced it transiently. CONCLUSIONS GalA-pAMAC arises from pectic reducing termini, formed by any of three proposed chain-cleaving agents ((•)OH, endopolygalacturonase and pectate lyase), any of which could cause its ripening-related increase. In contrast, pAMAC·UA-GalA conjugates are diagnostic of mid-chain oxidation of pectins by (•)OH. The evidence shows that (•)OH radicals do indeed attack fruit cell wall polysaccharides non-enzymically during softening in vivo. This applies much more prominently to drupes and berries (true fruits) than to false fruits (swollen receptacles). (•)OH radical attack on polysaccharides is thus predominantly a feature of ovary-wall tissue.
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Affiliation(s)
- Othman B Airianah
- The Edinburgh Cell Wall Group, Institute of Molecular Plant Sciences, The University of Edinburgh, Daniel Rutherford Building, The King's Buildings, Max Born Crescent, Edinburgh EH9 3BF, UK
| | - Robert A M Vreeburg
- The Edinburgh Cell Wall Group, Institute of Molecular Plant Sciences, The University of Edinburgh, Daniel Rutherford Building, The King's Buildings, Max Born Crescent, Edinburgh EH9 3BF, UK
| | - Stephen C Fry
- The Edinburgh Cell Wall Group, Institute of Molecular Plant Sciences, The University of Edinburgh, Daniel Rutherford Building, The King's Buildings, Max Born Crescent, Edinburgh EH9 3BF, UK
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Belge B, Comabella E, Graell J, Lara I. Post-storage cell wall metabolism in two sweet cherry (Prunus avium L.) cultivars displaying different postharvest performance. FOOD SCI TECHNOL INT 2014; 21:416-27. [DOI: 10.1177/1082013214541863] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2014] [Accepted: 05/29/2014] [Indexed: 11/17/2022]
Abstract
The biochemical processes underlying firmness loss of sweet cherry ( Prunus avium L.) fruit are poorly understood. Studies on cell wall metabolism of sweet cherry have been generally undertaken during on-tree development or at harvest maturity, while published reports on postharvest changes are scarce and fragmentary. In this work, cell wall modifications after storage at 0 ℃ were studied in two cherry cultivars (‘Celeste’ and ‘Somerset’) displaying different postharvest potential. Firmness was largely determined by the yields of the Na2CO3- and KOH-soluble fractions, enriched in covalently-bound pectins and in matrix glycans, respectively, and correlated well with ascorbic acid contents. The yields of these two cell wall fractions were correlated inversely with pectinmethylesterase and endo-1,4-β-d-glucanase activities, indicating a relevant role of these two enzymes in postharvest firmness changes in sweet cherry. The amount of solubilised cell wall materials was closely associated to the contents of dehydroascorbic acid, suggesting the possible involvement of oxidative mechanisms in cell wall disassembly. These data may help understanding the evolution of fruit quality during the marketing period, and give hints for the design of suitable management strategies to preserve key attributes.
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Affiliation(s)
- Burcu Belge
- Departament de Química, Universitat de Lleida, Lleida, Spain
- Unitat de Postcollita-XaRTA, Universitat de Lleida, Lleida, Spain
| | - Eva Comabella
- Departament de Química, Universitat de Lleida, Lleida, Spain
- Unitat de Postcollita-XaRTA, Universitat de Lleida, Lleida, Spain
| | - Jordi Graell
- Unitat de Postcollita-XaRTA, Universitat de Lleida, Lleida, Spain
- Departament de Tecnologia d’Aliments, Universitat de Lleida, Lleida, Spain
| | - Isabel Lara
- Departament de Química, Universitat de Lleida, Lleida, Spain
- Unitat de Postcollita-XaRTA, Universitat de Lleida, Lleida, Spain
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Wang D, Zhang H, Wu F, Li T, Liang Y, Duan X. Modification of pectin and hemicellulose polysaccharides in relation to aril breakdown of harvested longan fruit. Int J Mol Sci 2013; 14:23356-68. [PMID: 24287911 PMCID: PMC3876050 DOI: 10.3390/ijms141223356] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2013] [Revised: 11/19/2013] [Accepted: 11/21/2013] [Indexed: 11/16/2022] Open
Abstract
To investigate the modification of cell wall polysaccharides in relation to aril breakdown in harvested longan fruit, three pectin fractions (WSP, water soluble pectin; CSP, CDTA-soluble pectin; ASP, alkali soluble pectin) and one hemicellulose fraction (4 M KOH-SHC, 4 M KOH-soluble hemicellulose) were extracted, and their contents, monosaccharide compositions and molecular weights were evaluated. As aril breakdown intensified, CSP content increased while ASP and 4 M KOH-SHC contents decreased, suggesting the solubilization and conversion of cell wall components. Furthermore, the molar percentage of arabinose (Ara), as the main component of the side-chains, decreased largely in CSP and ASP while that of rhamnose (Rha), as branch point for the attachment of neutral sugar side chains, increased during aril breakdown. Analysis of (Ara+Gal)/Rha ratio showed that the depolymerization of CSP and ASP happened predominantly in side-chains formed of Ara residues. For 4 M KOH-SHC, more backbones were depolymerized during aril breakdown. Moreover, it was found that the molecular weights of CSP, ASP and 4 M KOH-SHC polysaccharides tended to decrease as aril breakdown intensified. These results suggest that both enhanced depolymerization and structural modifications of polysaccharides in the CSP, ASP and 4 M KOH-SHC fractions might be responsible for aril breakdown of harvested longan fruit.
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Affiliation(s)
- Duoduo Wang
- Key Lab of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China; E-Mails: (D.W.); (H.Z.); (F.W.); (T.L.)
| | - Haiyan Zhang
- Key Lab of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China; E-Mails: (D.W.); (H.Z.); (F.W.); (T.L.)
| | - Fuwang Wu
- Key Lab of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China; E-Mails: (D.W.); (H.Z.); (F.W.); (T.L.)
| | - Taotao Li
- Key Lab of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China; E-Mails: (D.W.); (H.Z.); (F.W.); (T.L.)
| | - Yuxiang Liang
- Guangzhou No.6 Middle School, Guangzhou 510300, China; E-Mail:
| | - Xuewu Duan
- Key Lab of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China; E-Mails: (D.W.); (H.Z.); (F.W.); (T.L.)
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Mokgalaka-Matlala NS, Regnier T, Combrinck S, Kouekam CR, Weiersbye IM. Chemometrics and vibrational spectroscopy as green tools for mine phytoremediation strategies. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2013; 100:138-143. [PMID: 22609447 DOI: 10.1016/j.saa.2012.04.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2011] [Revised: 03/09/2012] [Accepted: 04/03/2012] [Indexed: 06/01/2023]
Abstract
This study describes the use of near infrared (NIR) spectroscopy in combination with chemometrics to characterise Combretum erythrophyllum plant material to determine differences in the chemical profiles of samples harvested from mine contaminated areas and those of natural populations. The chemometric computation of near infrared vibrational spectra was used to generate principal component analysis and partial least squares models. These models were used to determine seasonal differences in the chemical matrices of samples harvested from the mine sites with different levels of contamination. Principal component analysis scatter plots illustrated clustering of phenolic profiles of samples depending on whether they originated from contaminated or uncontaminated soils. A partial least squares model was developed to link the variations in the chemical composition and levels of contamination in all samples collected in the same season (autumn). The levels of total soluble phenolic compounds in leaf extracts of C. erythrophyllum were measured using the Folin-Ciocalteau assay. Data analysis of the samples revealed that plants harvested from mine sites, particularly in summer, produced a higher level of phenolic compounds than those of the natural population, thereby displaying a good correlation with the chemometric models.
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Affiliation(s)
- N S Mokgalaka-Matlala
- Tshwane University of Technology, Department of Chemistry, Private Bag X680, Pretoria 0001, South Africa.
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Zhifang L, Nan L. Research Progress in the Control and Regulation of Plant Growth and Development by Reactive Oxygen Species. ACTA ACUST UNITED AC 2012. [DOI: 10.3724/sp.j.1259.2012.00074] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Role of hydroxyl radical in modification of cell wall polysaccharides and aril breakdown during senescence of harvested longan fruit. Food Chem 2011; 128:203-7. [DOI: 10.1016/j.foodchem.2011.03.031] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2010] [Revised: 01/15/2011] [Accepted: 03/07/2011] [Indexed: 02/07/2023]
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