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Wang Z, Cai Y, Li M, Wan X, Mi L, Yang W, Hu Y. Boosting one-step degradation of shrimp shell waste to produce chitin oligosaccharides at smart nanoscale enzyme reactor with liquid-solid system. Int J Biol Macromol 2024; 268:131787. [PMID: 38657939 DOI: 10.1016/j.ijbiomac.2024.131787] [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: 01/31/2024] [Revised: 03/27/2024] [Accepted: 04/21/2024] [Indexed: 04/26/2024]
Abstract
Chitin oligosaccharides (CTOS) possess potential applications in food, medicine, and agriculture. However, lower mass transfer and catalytic efficiency are the main kinetic limitations for the production of CTOS from shrimp shell waste (SSW) and crystalline chitin. Chemical or physical methods are usually used for pretreatment to improve chitinase hydrolysis efficiency, but this is not eco-friendly and cost-effective. To address this challenge, a chitinase nanoreactor with the liquid-solid system (BcChiA1@ZIF-8) was manufactured to boost the one-step degradation of SSW and crystalline chitin. Compared with free enzyme, the catalytic efficiency of BcChiA1@ZIF-8 on colloidal chitin was significantly improved to 142 %. SSW and crystalline chitin can be directly degraded by BcChiA1@ZIF-8 without any pretreatments. The yield of N, N'-diacetylchitobiose [(GlcNAc)2] from SSW and N-acetyl-D-glucosamine (GlcNAc) from crystalline chitin was 2 times and 3.1 times than that of free enzyme, respectively. The reason was that BcChiA1@ZIF-8 with a liquid-solid system enlarged the interface area, increased the collision frequency between enzyme and substrate, and improved the large-substrates binding activity of chitinase. Moreover, the biphasic system exhibited excellent stability, and the design showed universal applicability. This strategy provided novel guidance for other polysaccharide biosynthesis and the conversion of environmental waste into carbohydrates.
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Affiliation(s)
- Ziteng Wang
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, PR China; State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, PR China
| | - Yijin Cai
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, PR China; State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, PR China
| | - Mingxuan Li
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, PR China; College of Food Science and Light Industry, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, PR China
| | - Xiaoru Wan
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, PR China; State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, PR China
| | - Li Mi
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, PR China; State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, PR China.
| | - Wenge Yang
- School of Pharmaceutical Sciences, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, PR China
| | - Yonghong Hu
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, PR China; College of Food Science and Light Industry, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, PR China.
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Chen SM, Zhang CM, Peng H, Qin YY, Li L, Li CG, Xing K, Liu LL, Qin S. Exopolysaccharides from endophytic Glutamicibacter halophytocota KLBMP 5180 functions as bio-stimulants to improve tomato plants growth and salt stress tolerance. Int J Biol Macromol 2023; 253:126717. [PMID: 37673153 DOI: 10.1016/j.ijbiomac.2023.126717] [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: 05/10/2023] [Revised: 08/06/2023] [Accepted: 09/03/2023] [Indexed: 09/08/2023]
Abstract
Microbial exopolysaccharides (EPSs) can promote plants growth and protect them against various abiotic stresses, but the role of actinobacteria-produced EPSs in plant growth promoting is still less known. Here, we aim to explore the effect of EPSs from an endophyte Glutamicibacter halophytocota KLBMP 5180 on tomato seeds germination and seedlings growth under salt stress. Our study revealed that 2.0 g/L EPSs resulted in increased seed germination rate by 23.5 % and 11.0 %, respectively, under 0 and 200 mM NaCl stress conditions. Further pot experiment demonstrated that EPSs significantly promoted seedlings growth under salt stress, with increased height, root length and fibrous roots number. Plant physiological traits revealed that EPSs increased chlorophyll content, enhanced the activity of antioxidant enzymes, soluble sugar, and K+ concentration in seedlings; malondialdehyde and Na+ contents were reduced. Additionally, auxin, abscisic acid, jasmonic acid, and salicylic acid were accumulated significantly in seedlings after EPSs treatment. Furthermore, we identified 1233 differentially expressed genes, and they were significantly enriched in phytohormone signal transmission, phenylpropanoid biosynthesis, and protein processing in endogenous reticulum pathways, etc. Our results suggest that KLBMP 5180-produced EPSs effectively ameliorated NaCl stress in tomato plants by triggering complex regulation mechanism, and showed application potentiality in agriculture.
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Affiliation(s)
- Shu-Mei Chen
- The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, School of Life Sciences, Jiangsu Normal University, Xuzhou 221116, Jiangsu, PR China
| | - Chun-Mei Zhang
- The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, School of Life Sciences, Jiangsu Normal University, Xuzhou 221116, Jiangsu, PR China
| | - Hao Peng
- The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, School of Life Sciences, Jiangsu Normal University, Xuzhou 221116, Jiangsu, PR China
| | - Yue-Ying Qin
- The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, School of Life Sciences, Jiangsu Normal University, Xuzhou 221116, Jiangsu, PR China
| | - Li Li
- Jiangsu Runzhong Agricultural Technology Co., Ltd, Xinyi 221424, Jiangsu, PR China
| | - Cheng-Guo Li
- Xuzhou Kuaibang Biotechnology Development Co., Ltd, Xuzhou, Jiangsu, PR China
| | - Ke Xing
- The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, School of Life Sciences, Jiangsu Normal University, Xuzhou 221116, Jiangsu, PR China
| | - Lu-Lu Liu
- The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, School of Life Sciences, Jiangsu Normal University, Xuzhou 221116, Jiangsu, PR China.
| | - Sheng Qin
- The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, School of Life Sciences, Jiangsu Normal University, Xuzhou 221116, Jiangsu, PR China.
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Wang Q, Zhou X, Liu Y, Han Y, Zuo J, Deng J, Yuan L, Gao L, Bai W. Mixed oligosaccharides-induced changes in bacterial assembly during cucumber ( Cucumis sativus L.) growth. Front Microbiol 2023; 14:1195096. [PMID: 37492253 PMCID: PMC10364802 DOI: 10.3389/fmicb.2023.1195096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 06/26/2023] [Indexed: 07/27/2023] Open
Abstract
The application of oligosaccharides can promote plant growth by increasing photosynthesis or inducing plant innate immunity. However, the mechanisms by which oligosaccharides affect bacterial community diversity and abundance remain unclear. In this study, a mixed oligosaccharide was applied to the growth of cucumbers. The findings of the present study suggest that the application of MixOS has significant effects on the bacterial communities in the phyllosphere, rhizosphere, and bulk soil of cucumber plants. The treatment with MixOS resulted in delayed senescence of leaves, well-developed roots, and higher fruit production. The bacterial diversity and composition varied among the different ecological niches, and MixOS application caused significant shifts in the bacterial microbiome composition, particularly in the phyllosphere. Moreover, mixed oligosaccharides increased the abundance of potential growth-promoting bacteria such as Methylorubrum spp. and Lechevalieria spp., and more zOTUs were shared between the WM and MixOS treatments. Furthermore, the bacterial co-occurrence network analysis suggested that the modularity of the phyllosphere networks was the highest among all samples. The bacterial co-occurrence networks were altered because of the application of MixOS, indicating a greater complexity of the bacterial interactions in the rhizosphere and bulk soil. These findings suggest that mixed oligosaccharides has the potential to improve plant growth and yield by modulating the bacterial communities within and outside the plants and could provide a theoretical basis for future agricultural production.
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Affiliation(s)
- Qiushui Wang
- Institute of Analysis and Testing, Beijing Academy of Science and Technology (Beijing Center for Physical and Chemical Analysis), Beijing, China
| | - Xin Zhou
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
| | - Yue Liu
- Institute of Analysis and Testing, Beijing Academy of Science and Technology (Beijing Center for Physical and Chemical Analysis), Beijing, China
| | - Yan Han
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Jia Zuo
- Institute of Analysis and Testing, Beijing Academy of Science and Technology (Beijing Center for Physical and Chemical Analysis), Beijing, China
| | - Jie Deng
- Institute of Analysis and Testing, Beijing Academy of Science and Technology (Beijing Center for Physical and Chemical Analysis), Beijing, China
| | - Liyan Yuan
- Institute of Analysis and Testing, Beijing Academy of Science and Technology (Beijing Center for Physical and Chemical Analysis), Beijing, China
| | - Lijuan Gao
- Institute of Analysis and Testing, Beijing Academy of Science and Technology (Beijing Center for Physical and Chemical Analysis), Beijing, China
| | - Wenbo Bai
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China
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Vivodová Z, Hačkuličová D, Bačovčinová M, Šípošová K, Labancová E, Kollárová K. Galactoglucomannan oligosaccharides alleviate cadmium toxicity by improving physiological processes in maize. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 255:114777. [PMID: 36931090 DOI: 10.1016/j.ecoenv.2023.114777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 03/10/2023] [Accepted: 03/12/2023] [Indexed: 06/18/2023]
Abstract
Phosphate fertilisers and past mining activity are significant source of cadmium (Cd) pollution; thus, the concentration of Cd in agricultural soils has been substantially rising. Various substances have been tested for their potential to alleviate the toxicity of Cd and stimulate the accumulation of Cd in plant organs. This study brought new insight of the impact of galactoglucomannan oligosaccharides (GGMOs) on the maize plants grown under/in Cd stress. The application of GGMOs reduced concentration of Cd in the maize leaves and thus GGMOs increased their growth (by 24%), concentration of photosynthetic pigments (up to 39.4%), effective quantum yield of photosystem II (up to 29.6%), and net photosynthetic rate (up to 19.6%). The concentrations of stress markers increased in the Cd and Cd + GGMOs treatment; however, significantly lower concentration was detected in the Cd + GGMOs treatment (malondialdehyde by 21.7%, hydrogen peroxide by 13%). The concentration of auxin increased almost by two-fold in the Cd + GGMOs treatment compared to the Cd treatment. The recovered auxin level and enhanced nutrient uptake are proposed mechanisms of GGMOs' action during stress. GGMOs are molecules with biostimulant potential that could support vitality of maize plants in Cd stress.
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Affiliation(s)
- Zuzana Vivodová
- Institute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, 845 38 Bratislava, Slovakia
| | - Diana Hačkuličová
- Institute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, 845 38 Bratislava, Slovakia
| | - Michaela Bačovčinová
- Department of Botany, Institute of Biology and Ecology, Šafárik University, Mánesova 23, 040 01 Košice, Slovakia
| | - Kristína Šípošová
- Institute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, 845 38 Bratislava, Slovakia
| | - Eva Labancová
- Institute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, 845 38 Bratislava, Slovakia
| | - Karin Kollárová
- Institute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, 845 38 Bratislava, Slovakia.
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5
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Ennoury A, Roussi Z, Nhhala N, Zouaoui Z, Kabach I, Krid A, Kchikich A, Nhiri M. Atriplex halimus water extract: a biochemical composition that enhanced the faba bean plants growth. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2023; 29:601-611. [PMID: 37187778 PMCID: PMC10172430 DOI: 10.1007/s12298-023-01311-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 04/21/2023] [Accepted: 04/25/2023] [Indexed: 05/17/2023]
Abstract
The burgeoning world population is exerting immense pressure on the agricultural sector to increase yield production, which has resulted in the widespread use of chemical products by farmers. However, these chemicals can have detrimental effects on both human health and the environment. To mitigate these risks, it is crucial to identify natural solutions that are less harmful to both humans and the environment. This study explores the impact of Atriplex halimus extract on the growth of Vicia faba L. broad vetch plants by testing three different concentrations (0.1%, 0.25%, and 0.5%) of the extract. The findings reveal that Atriplex halimus extract has a positive effect on various physiological and biochemical parameters of the plants, which ultimately leads to improved growth. Specifically, the treated plants displayed a significant (p < 0.05) increase in the content of plant metabolites and photosynthetic pigments. Furthermore, the extract enhanced the activity of enzymes that are involved in carbon-nitrogen assimilation, such as phosphoenolpyruvate carboxylase (EC 4.1.1.31), isocitrate dehydrogenase (EC 1.1.1.42), glutamine synthase (EC 6.3.1.2), glutathione-s-transferase (EC 2.5.1.18), and glutathione reductase (EC 1.8.1.7). The most significant improvement was observed in plants treated with 0.25% of Atriplex halimus extract. Therefore, it can be inferred that the application of Atriplex halimus extract has the potential to be an effective biostimulant for improving the growth and yield of faba bean plants.
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Affiliation(s)
- Abdelhamid Ennoury
- Laboratory of Biochemistry and Molecular Genetics, Faculty of Sciences and Technologies of Tangier, University Abdelmalek Essaadi, Tetouan, Morocco
| | - Zoulfa Roussi
- Laboratory of Biochemistry and Molecular Genetics, Faculty of Sciences and Technologies of Tangier, University Abdelmalek Essaadi, Tetouan, Morocco
| | - Nada Nhhala
- Laboratory of Biochemistry and Molecular Genetics, Faculty of Sciences and Technologies of Tangier, University Abdelmalek Essaadi, Tetouan, Morocco
| | - Zakia Zouaoui
- Laboratory of Biochemistry and Molecular Genetics, Faculty of Sciences and Technologies of Tangier, University Abdelmalek Essaadi, Tetouan, Morocco
| | - Imad Kabach
- Laboratory of Biochemistry and Molecular Genetics, Faculty of Sciences and Technologies of Tangier, University Abdelmalek Essaadi, Tetouan, Morocco
| | - Azzouz Krid
- Environmental Technology, Biotechnology, and Valorization of Bio-Resources, Faculty of Science and Techniques of Al Hoceima–Abdelmalek Essaadi University, BP 34, Ajdir, 32003 Al Hoceima, Morocco
| | - Anass Kchikich
- Laboratory of Biochemistry and Molecular Genetics, Faculty of Sciences and Technologies of Tangier, University Abdelmalek Essaadi, Tetouan, Morocco
| | - Mohamed Nhiri
- Laboratory of Biochemistry and Molecular Genetics, Faculty of Sciences and Technologies of Tangier, University Abdelmalek Essaadi, Tetouan, Morocco
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Swain R, Sahoo S, Behera M, Rout GR. Instigating prevalent abiotic stress resilience in crop by exogenous application of phytohormones and nutrient. FRONTIERS IN PLANT SCIENCE 2023; 14:1104874. [PMID: 36844040 PMCID: PMC9947512 DOI: 10.3389/fpls.2023.1104874] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 01/12/2023] [Indexed: 05/29/2023]
Abstract
In recent times, the demand for food and feed for the ever-increasing population has achieved unparalleled importance, which cannot afford crop yield loss. Now-a-days, the unpleasant situation of abiotic stress triggers crop improvement by affecting the different metabolic pathways of yield and quality advances worldwide. Abiotic stress like drought, salinity, cold, heat, flood, etc. in plants diverts the energy required for growth to prevent the plant from shock and maintain regular homeostasis. Hence, the plant yield is drastically reduced as the energy is utilized for overcoming the stress in plants. The application of phytohormones like the classical auxins, cytokinins, ethylene, and gibberellins, as well as more recent members including brassinosteroids, jasmonic acids, etc., along with both macro and micronutrients, have enhanced significant attention in creating key benefits such as reduction of ionic toxicity, improving oxidative stress, maintaining water-related balance, and gaseous exchange modification during abiotic stress conditions. Majority of phytohormones maintain homeostasis inside the cell by detoxifying the ROS and enhancing the antioxidant enzyme activities which can enhance tolerance in plants. At the molecular level, phytohormones activate stress signaling pathways or genes regulated by abscisic acid (ABA), salicylic acid (SA), Jasmonic acid (JA), and ethylene. The various stresses primarily cause nutrient deficiency and reduce the nutrient uptake of plants. The application of plant nutrients like N, K, Ca, and Mg are also involved in ROS scavenging activities through elevating antioxidants properties and finally decreasing cell membrane leakage and increasing the photosynthetic ability by resynthesizing the chlorophyll pigment. This present review highlighted the alteration of metabolic activities caused by abiotic stress in various crops, the changes of vital functions through the application of exogenous phytohormones and nutrition, as well as their interaction.
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Affiliation(s)
- Rinny Swain
- Department of Agricultural Biotechnology, Crop Improvement Division, School of Agriculture, Gandhi University of Engineering and Technology (GIET) University, Rayagada, Odisha, India
| | - Smrutishree Sahoo
- Department of Genetics and Plant Breeding, Crop Improvement Division, School of Agriculture, GIET University, Rayagada, Odisha, India
| | - Mamata Behera
- Department of Genetics and Plant Breeding, Crop Improvement Division, School of Agriculture, GIET University, Rayagada, Odisha, India
| | - Gyana Ranjan Rout
- Department of Agricultural Biotechnology, College of Agriculture, Odisha University of Agriculture and Technology, Bhubaneswar, Odisha, India
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Chen H, Lin B, Zhang R, Gong Z, Wen M, Su W, Zhou J, Zhao L, Wang J. Controllable preparation of chitosan oligosaccharides via a recombinant chitosanase from marine Streptomyces lydicus S1 and its potential application on preservation of pre-packaged tofu. Front Microbiol 2022; 13:1007201. [PMID: 36225376 PMCID: PMC9549211 DOI: 10.3389/fmicb.2022.1007201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Accepted: 08/29/2022] [Indexed: 11/13/2022] Open
Abstract
Chitosan oligosaccharides (COSs) are widely applied in many areas due to its various biological activities. Controllable preparation of COSs with desired degree of polymerization (DP) via suitable chitosanase is of great value. Herein, a novel glycoside hydrolase (GH) family 46 chitosanase (SlCsn46) from marine Streptomyces lydicus S1 was prepared, characterized and used to controllably produce COSs with different DP. The specific activity of purified recombinant SlCsn46 was 1,008.5 U/mg. The optimal temperature and pH of purified SlCsn46 were 50°C and 6.0, respectively. Metal ions Mn2+ could improve the stability of SlCsn46. Additionally, SlCsn46 can efficiently hydrolyze 2% and 4% colloidal chitosan to prepare COSs with DP 2–4, 2–5, and 2–6 by adjusting the amount of SlCsn46 added. Moreover, COSs with DP 2–4, 2–5, and 2–6 exhibited potential application value for prolonging the shelf-life of pre-packaged Tofu. The water-holding capacity (WHC), sensorial properties, total viable count (TVC), pH and total volatile base nitrogen (TVB-N) of pre-packed tofu incorporated with 4 mg/mL COSs with DP 2–4, 2–5, and 2–6 were better than those of the control during 15 days of storage at 10°C. Thus, the controllable hydrolysis strategy provides an effective method to prepare COSs with desired DP and its potential application on preservation of pre-packed tofu.
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Affiliation(s)
- Hao Chen
- College of Food and Chemical Engineering, Shaoyang University, Shaoyang, China
- Hunan Provincial Key Laboratory of Soybean Products Processing and Safety Control, Shaoyang, China
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang, China
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Zhanjiang, China
| | - Bilian Lin
- College of Food and Chemical Engineering, Shaoyang University, Shaoyang, China
- Hunan Provincial Key Laboratory of Soybean Products Processing and Safety Control, Shaoyang, China
| | - Rui Zhang
- College of Food and Chemical Engineering, Shaoyang University, Shaoyang, China
- Hunan Provincial Key Laboratory of Soybean Products Processing and Safety Control, Shaoyang, China
| | - Zhouliang Gong
- College of Food and Chemical Engineering, Shaoyang University, Shaoyang, China
- Hunan Provincial Key Laboratory of Soybean Products Processing and Safety Control, Shaoyang, China
| | - Ming Wen
- College of Food and Chemical Engineering, Shaoyang University, Shaoyang, China
- Hunan Provincial Key Laboratory of Soybean Products Processing and Safety Control, Shaoyang, China
| | - Weiming Su
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang, China
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Zhanjiang, China
| | | | - Liangzhong Zhao
- College of Food and Chemical Engineering, Shaoyang University, Shaoyang, China
- Hunan Provincial Key Laboratory of Soybean Products Processing and Safety Control, Shaoyang, China
- *Correspondence: Liangzhong Zhao,
| | - Jianrong Wang
- College of Food and Chemical Engineering, Shaoyang University, Shaoyang, China
- Hunan Provincial Key Laboratory of Soybean Products Processing and Safety Control, Shaoyang, China
- Shenzhen Raink Ecology and Environment Co., Ltd., Shenzhen, China
- Jianrong Wang,
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Secondary Metabolism Rearrangements in Linum usitatissimum L. after Biostimulation of Roots with COS Oligosaccharides from Fungal Cell Wall. Molecules 2022; 27:molecules27072372. [PMID: 35408773 PMCID: PMC9000297 DOI: 10.3390/molecules27072372] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/27/2022] [Accepted: 03/30/2022] [Indexed: 12/03/2022] Open
Abstract
In vitro culture of flax (Linum usitatissimum L.) was exposed to chitosan oligosaccharides (COS) in order to investigate the effects on the growth and secondary metabolites content in roots and shoots. COS are fragments of chitosan released from the fungal cell wall during plant–pathogen interactions. They can be perceived by the plant as pathogen-associated signals, mediating local and systemic innate immune responses. In the present study, we report a novel COS oligosaccharide fraction with a degree of polymerization (DP) range of 2–10, which was produced from fungal chitosan by a thermal degradation method and purified by an alcohol-precipitation process. COS was dissolved in hydroponic medium at two different concentrations (250 and 500 mg/L) and applied to the roots of growing flax seedlings. Our observations indicated that the growth of roots and shoots decreased markedly in COS-treated flax seedlings compared to the control. In addition, the results of a metabolomics analysis showed that COS treatment induced the accumulation of (neo)lignans locally at roots, flavones luteolin C-glycosides, and chlorogenic acid in systemic responses in the shoots of flax seedlings. These phenolic compounds have been previously reported to exhibit a strong antioxidant and antimicrobial activities. COS oligosaccharides, under the conditions applied in this study (high dose treatment with a much longer exposure time), can be used to indirectly trigger metabolic response modifications in planta, especially secondary metabolism, because during fungal pathogen attack, COS oligosaccharides are among the signals exchanged between the pathogen and host plant.
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Acemi A. Monitoring the effects of chitosan on the profile of certain cell wall and membrane biomolecules in the leaves of Eruca vesicaria ssp. sativa through FT-IR spectroscopy. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2022; 173:25-32. [PMID: 35092928 DOI: 10.1016/j.plaphy.2022.01.020] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 12/27/2021] [Accepted: 01/20/2022] [Indexed: 06/14/2023]
Abstract
The present study aimed to investigate the effects of chitosan at different molecular weights on the biomolecule profile of cell walls and membranes in Eruca vesicaria ssp. sativa leaves through FT-IR spectroscopy. It was demonstrated that the chitosan treatments could increase membrane destabilization through the elevation of lipid peroxidation and/or membrane fluidity. However, 10 kDa chitosan at 5 mg L-1 treatment was estimated to increase membrane lipid production. The 10 and 100 kDa chitosan treatments at 20 mg L-1 suggested higher protein contents than the other treatments. Chitosan's molecular weight and concentration influenced the relative ratios of functional groups in cell wall lignin. Ten kDa chitosan treatments triggered lignin production better than the other chitosan variants. The results showed that its molecular weight plays a role in the differentiation of chitosan's effects on the biomolecule pattern of E. vesicaria ssp. sativa leaves. However, none of the treatments induced significant changes in the peak positions, indicating that ex vitro chitosan treatment did not induce structural changes in the monitored biomolecules. The results also suggested that 10 kDa chitosan at 5 mg L-1 could be a better option than the other treatments tested, considering reducing the chemical use and cost in the cultivation process of the plant.
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Affiliation(s)
- Arda Acemi
- Department of Biology, Faculty of Arts and Sciences, Kocaeli University, 41001, İzmit, Kocaeli, Turkey.
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Uehara M, Takasaki C, Wakita S, Sugahara Y, Tabata E, Matoska V, Bauer PO, Oyama F. Crab-Eating Monkey Acidic Chitinase (CHIA) Efficiently Degrades Chitin and Chitosan under Acidic and High-Temperature Conditions. Molecules 2022; 27:409. [PMID: 35056724 PMCID: PMC8781735 DOI: 10.3390/molecules27020409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Revised: 01/04/2022] [Accepted: 01/07/2022] [Indexed: 11/16/2022] Open
Abstract
Chitooligosaccharides, the degradation products of chitin and chitosan, possess anti-bacterial, anti-tumor, and anti-inflammatory activities. The enzymatic production of chitooligosaccharides may increase the interest in their potential biomedical or agricultural usability in terms of the safety and simplicity of the manufacturing process. Crab-eating monkey acidic chitinase (CHIA) is an enzyme with robust activity in various environments. Here, we report the efficient degradation of chitin and chitosan by monkey CHIA under acidic and high-temperature conditions. Monkey CHIA hydrolyzed α-chitin at 50 °C, producing N-acetyl-d-glucosamine (GlcNAc) dimers more efficiently than at 37 °C. Moreover, the degradation rate increased with a longer incubation time (up to 72 h) without the inactivation of the enzyme. Five substrates (α-chitin, colloidal chitin, P-chitin, block-type, and random-type chitosan substrates) were exposed to monkey CHIS at pH 2.0 or pH 5.0 at 50 °C. P-chitin and random-type chitosan appeared to be the best sources of GlcNAc dimers and broad-scale chitooligosaccharides, respectively. In addition, the pattern of the products from the block-type chitosan was different between pH conditions (pH 2.0 and pH 5.0). Thus, monkey CHIA can degrade chitin and chitosan efficiently without inactivation under high-temperature or low pH conditions. Our results show that certain chitooligosaccharides are enriched by using different substrates under different conditions. Therefore, the reaction conditions can be adjusted to obtain desired oligomers. Crab-eating monkey CHIA can potentially become an efficient tool in producing chitooligosaccharide sets for agricultural and biomedical purposes.
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Affiliation(s)
- Maiko Uehara
- Department of Chemistry and Life Science, Kogakuin University, Tokyo 192-0015, Japan; (M.U.); (C.T.); (S.W.); (Y.S.); (E.T.)
| | - Chinatsu Takasaki
- Department of Chemistry and Life Science, Kogakuin University, Tokyo 192-0015, Japan; (M.U.); (C.T.); (S.W.); (Y.S.); (E.T.)
| | - Satoshi Wakita
- Department of Chemistry and Life Science, Kogakuin University, Tokyo 192-0015, Japan; (M.U.); (C.T.); (S.W.); (Y.S.); (E.T.)
| | - Yasusato Sugahara
- Department of Chemistry and Life Science, Kogakuin University, Tokyo 192-0015, Japan; (M.U.); (C.T.); (S.W.); (Y.S.); (E.T.)
| | - Eri Tabata
- Department of Chemistry and Life Science, Kogakuin University, Tokyo 192-0015, Japan; (M.U.); (C.T.); (S.W.); (Y.S.); (E.T.)
- Japan Society for the Promotion of Science (PD), Tokyo 102-0083, Japan
| | - Vaclav Matoska
- Laboratory of Molecular Diagnostics, Department of Clinical Biochemistry, Hematology and Immunology, Homolka Hospital, Roentgenova 37/2, 150 00 Prague, Czech Republic; (V.M.); (P.O.B.)
| | - Peter O. Bauer
- Laboratory of Molecular Diagnostics, Department of Clinical Biochemistry, Hematology and Immunology, Homolka Hospital, Roentgenova 37/2, 150 00 Prague, Czech Republic; (V.M.); (P.O.B.)
- Bioinova JSC, Videnska 1083, 142 20 Prague, Czech Republic
| | - Fumitaka Oyama
- Department of Chemistry and Life Science, Kogakuin University, Tokyo 192-0015, Japan; (M.U.); (C.T.); (S.W.); (Y.S.); (E.T.)
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11
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Liu J, Gai L, Zong H. Foliage application of chitosan alleviates the adverse effects of cadmium stress in wheat seedlings (Triticum aestivum L.). PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2021; 164:115-121. [PMID: 33984623 DOI: 10.1016/j.plaphy.2021.04.038] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 04/29/2021] [Indexed: 06/12/2023]
Abstract
Excessive cadmium (Cd) causes toxic effects on crops. The effects of chitosan (CTS) with different molecular weight (MW) (5 kDa, 3 kDa, and 1 kDa) on the growth and biochemical parameters, as well as Cd concentrations in Cd-treated wheat plants were examined in a pot experiment. The results demonstrated that foliar spraying with CTS significantly improve the wheat growth, reduce malondialdehyde content and reactive oxygen species accumulation in leaves and decrease Cd concentrations in roots and shoots of wheat seedling under Cd stress. The alleviation of Cd toxicity by CTS is probably related with the activity of antioxidant enzymes, osmotic adjustment matter and root morphology. The application of CTS enhanced the activities of superoxide dismutase, peroxidase, and catalase in Cd-stressed wheat seedling leaves by 6.6%-13.1%, 17.2%-33.0%, and 19.6%-25.5%, respectively. Besides, exogenously applied CTS also increased the soluble protein and soluble sugar contents by 17.6%-33.8% and 30.1%-36.1% in the leaves of wheat under Cd stress. Furthermore, CTS with a molecular weight of 1 kDa was the most effective in mitigating Cd toxicity in wheat seedlings, which indicates that the activity of CTS is dependent on its molecular weight. It can be concluded that the use of foliar spraying, especially with 1 kDa CTS, could have potential in reducing the damage of Cd stress.
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Affiliation(s)
- Jun Liu
- School of Resources and Environment, Qingdao Agricultural University, Qingdao, 266109, China
| | - Lingyun Gai
- Big Data and Network Management Center, Qingdao Agricultural University, Qingdao, 266109, PR China
| | - Haiying Zong
- School of Resources and Environment, Qingdao Agricultural University, Qingdao, 266109, China.
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12
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Du C, Zhao X, Song W, He N, Jiang S, Zhou Y, Zhang G. Combined strategies to improve the expression of acidic mammalian chitinase in Pichia pastoris for the production of N, N'-diacetylchitobiose. Biochem Eng J 2021. [DOI: 10.1016/j.bej.2020.107907] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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13
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Li K, Xing R, Liu S, Li P. Chitin and Chitosan Fragments Responsible for Plant Elicitor and Growth Stimulator. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:12203-12211. [PMID: 33095004 DOI: 10.1021/acs.jafc.0c05316] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Chitin and chitosan are natural polysaccharides with huge application potential in agriculture, such as promoting plant growth, eliciting plant resistance against biotic and abiotic stress, and activating symbiotic signaling between plants and beneficial microorganisms. Chitin and chitosan offer a sustainable alternative for future crop production. The bioactivities of chitin and chitosan closely depend on their structural factors, including molecular size, degree of acetylation, and pattern of acetylation. It is of great significance to identify the key fragments in chitin and chitosan chains that are responsible for these agricultural bioactivities. Herein, we review the recent progress in the structure-function relationship of chitin and chitosan in the field of agriculture application. The preparation of chitin and chitosan fragments and their action mode for plant protection and growth are also discussed.
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Affiliation(s)
- Kecheng Li
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
- Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
- Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Ronge Xing
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
- Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
- Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Song Liu
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
- Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Pengcheng Li
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
- Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
- Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
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14
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Review: Advances in preparation of chitooligosaccharides with heterogeneous sequences and their bioactivity. Carbohydr Polym 2020; 252:117206. [PMID: 33183640 DOI: 10.1016/j.carbpol.2020.117206] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 09/18/2020] [Accepted: 10/06/2020] [Indexed: 02/06/2023]
Abstract
Chitooligosaccharides has attracted increasing attention due to their diverse bioactivities and potential application. Previous studies on the bioactivity of chitooligosaccharides were mostly carried out using a mixture. The structure-function relationship of chitooligosaccharides is not clear. Recently, it is confirmed that chitooligosaccharides with different degrees of polymerization play different roles in many bioactivities. However, heterogeneous chitooligosaccharides with a single degree of polymerization is still a mixture of many uncertain sequences and it is difficult to determine which structure is responsible for biological effects. Therefore, an interesting and challenging field of studying chitooligosaccharides with heterogeneous sequences has emerged. Herein, we reviewed the current methods for preparing heterogeneous chitooligosaccharides, including chemical synthesis, separation techniques and enzymatic methods. Advances in the bioactivities of chitooligosaccharides with heterogeneous sequences are also reviewed.
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15
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Chitosan and its oligosaccharides, a promising option for sustainable crop production- a review. Carbohydr Polym 2020; 227:115331. [DOI: 10.1016/j.carbpol.2019.115331] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 08/15/2019] [Accepted: 09/11/2019] [Indexed: 12/12/2022]
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16
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Improving nitrogen uptake efficiency by chitin nanofiber promotes growth in tomato. Int J Biol Macromol 2019; 151:1322-1331. [PMID: 31751746 DOI: 10.1016/j.ijbiomac.2019.10.178] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 10/15/2019] [Accepted: 10/22/2019] [Indexed: 12/27/2022]
Abstract
Chitin, an N-acetyl-D-glucosamine polymer, has been known to enhance plant growth. However, this polysaccharide has not been used extensively in experimental work or agriculture practices because its hydrophobic nature makes it difficult to handle. Chitin nanofiber (CNF), which disperses well in water, can feasibly be used to evaluate the effect of chitin on the promotion of plant growth. In this study, we analysed the contents of inorganic elements and global gene expression to obtain an overview of the growth-promoting action of chitins in plants. Significant increases in the biomass of aerial parts and concentration of chlorophyll following treatment with CNF or short-chain chitin oligomers were observed in tomatoes that were hydroponically cultivated under ultralow nutrient concentrations. The results of the quantification of inorganic elements demonstrated that concentrations of nitrogen and carbon significantly increased in whole tomato plant under chitin treatment. Transcriptome analysis of CNF-treated tomatoes by RNA sequencing showed that the expression levels of genes related to nitrogen acquisition and assimilation, nutrient allocation and photosynthesis were altered. These results indicate that the growth-promoting action of chitin treatment is caused by an improvement in nitrogen uptake efficiency and that CNF could be a useful material for nutrient management in tomato production.
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17
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Lepore SM, Maggisano V, Lombardo GE, Maiuolo J, Mollace V, Bulotta S, Russo D, Celano M. Antiproliferative Effects of Cynaropicrin on Anaplastic Thyroid Cancer Cells. Endocr Metab Immune Disord Drug Targets 2019; 19:59-66. [PMID: 30264682 DOI: 10.2174/1871530318666180928153241] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Revised: 06/14/2018] [Accepted: 06/14/2018] [Indexed: 12/14/2022]
Abstract
BACKGROUND The sesquiterpene lactone cynaropicrin, a major constituent of the artichoke leaves extracts, has shown several biologic activities in many preclinical experimental models, including anti-proliferative effects. OBJECTIVE Herein we evaluated the effects of cynaropicrin on the growth of three human anaplastic thyroid carcinoma cell lines, investigating the molecular mechanism underlying its action. METHOD MTT assay was used to evaluate the viability of CAL-62, 8505C and SW1736 cells, and flow cytometry to analyse cell cycle distribution. Western blot was performed to detect the levels of STAT3 phosphorylation and NFkB activation. Antioxidant effects were analyzed by measuring the reactive oxygen species and malonyldialdehyde dosage was used to check the presence of lipid peroxidation. RESULTS Viability of CAL-62, 8505C and SW1736 cells was significantly reduced by cynaropicrin in a dose- and time-dependent way, with an EC50 of about 5 µM observed after 48 h of treatment with the compound. Cellular growth inhibition was accompanied both by an arrest of the cell cycle, mainly in the G2/M phase, and the presence of a significant percentage of necrotic cells. After 48 h of treatment with 10 µM of cynaropicrin, a reduced nuclear expression of NFkB and STAT3 phosphorylation were also revealed. Moreover, we observed an increase in lipid peroxidation, without any significant effect on the reactive oxygen species production. CONCLUSION These results demonstrate that cynaropicrin reduces the viability and promotes cytotoxic effects in anaplastic thyroid cancer cells associated with reduced NFkB expression, STAT3 phosphorylation and increased lipid peroxidation. Further characterization of the properties of this natural compound may open the way for using cynaropicrin as an adjuvant in the treatment of thyroid cancer.
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Affiliation(s)
- Saverio M Lepore
- Department of Health Sciences, "Magna Graecia" University of Catanzaro, 88100 Catanzaro, Italy
| | - Valentina Maggisano
- Department of Health Sciences, "Magna Graecia" University of Catanzaro, 88100 Catanzaro, Italy
| | - Giovanni E Lombardo
- Department of Health Sciences, "Magna Graecia" University of Catanzaro, 88100 Catanzaro, Italy
| | - Jessica Maiuolo
- Department of Health Sciences, "Magna Graecia" University of Catanzaro, 88100 Catanzaro, Italy
| | - Vincenzo Mollace
- Department of Health Sciences, "Magna Graecia" University of Catanzaro, 88100 Catanzaro, Italy
| | - Stefania Bulotta
- Department of Health Sciences, "Magna Graecia" University of Catanzaro, 88100 Catanzaro, Italy
| | - Diego Russo
- Department of Health Sciences, "Magna Graecia" University of Catanzaro, 88100 Catanzaro, Italy
| | - Marilena Celano
- Department of Health Sciences, "Magna Graecia" University of Catanzaro, 88100 Catanzaro, Italy
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18
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Jia Y, Ma Y, Zou P, Cheng G, Zhou J, Cai S. Effects of Different Oligochitosans on Isoflavone Metabolites, Antioxidant Activity, and Isoflavone Biosynthetic Genes in Soybean ( Glycine max) Seeds during Germination. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:4652-4661. [PMID: 30933513 DOI: 10.1021/acs.jafc.8b07300] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Five oligochitosans with increasing degrees of polymerization (DPs), i.e., from chitotriose to chitoheptaose, were examined to clarify the structure-bioactivity relationship between the DPs of oligochitosans and their effects on the isoflavone metabolites, total phenolic and flavonoid contents (TPC and TFC, respectively), and antioxidant activity of soybean ( Glycine max) seeds during germination. Oligochitosans of different DPs exhibited varying influences on the TPC, TFC, and antioxidant activities of soybean seeds. Chitohexaose exerted a strong effect and significantly increased the aforementioned parameters in soybean seeds 72 h after germination. Genistin, malonylgenistin, and genistein were the main isoflavones found, and the genistin and genistein contents were significantly enhanced by 67.32% and 131.38%, respectively, after chitohexaose treatment. Several critical genes involved in the isoflavone biosynthesis (i.e., PAL, CHS, CHI, IFS) of soybeans treated with and without chitohexaose were analyzed, and results suggested that chitohexaose application could dramatically stimulate the transcription of these genes.
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Affiliation(s)
- Yijia Jia
- Yunnan Institute of Food Safety , Kunming University of Science and Technology , Kunming , Yunnan Province 650500 , People's Republic of China
| | - Yanli Ma
- College of Food Science and Technology , Hebei Agricultural University , Baoding , Hebei Province 071001 , People's Republic of China
| | - Ping Zou
- Marine Agriculture Research Center , Tobacco Research Institute of Chinese Academy of Agricultural Sciences , Qingdao , Shandong Province 266101 , People's Republic of China
| | - Guiguang Cheng
- Yunnan Institute of Food Safety , Kunming University of Science and Technology , Kunming , Yunnan Province 650500 , People's Republic of China
| | - Jiexin Zhou
- Yunnan Institute of Food Safety , Kunming University of Science and Technology , Kunming , Yunnan Province 650500 , People's Republic of China
| | - Shengbao Cai
- Yunnan Institute of Food Safety , Kunming University of Science and Technology , Kunming , Yunnan Province 650500 , People's Republic of China
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19
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Alam MZ, McGee R, Hoque MA, Ahammed GJ, Carpenter-Boggs L. Effect of Arbuscular Mycorrhizal Fungi, Selenium and Biochar on Photosynthetic Pigments and Antioxidant Enzyme Activity Under Arsenic Stress in Mung Bean ( Vigna radiata). Front Physiol 2019; 10:193. [PMID: 30930785 PMCID: PMC6424050 DOI: 10.3389/fphys.2019.00193] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2018] [Accepted: 02/15/2019] [Indexed: 01/24/2023] Open
Abstract
Environmental perturbations alter biochemical compounds in food crops. Arsenic (As), a toxic metalloid, is known to affect the cultivation of food crops in many regions of the world; however, the changes in chlorophyll, catalase (CAT), and proline in response to As stress and the role of stress relief substances remain largely unknown in mung bean (Vigna radiate L.). In this study, biochar (BC), arbuscular mycorrhizal fungi (AMF), and selenium (Se) were applied to soils as stress relief substances (under 30 mg kg-1 As stress), and the effects of BC, AMF, and Se on chlorophyll a, chlorophyll b, total chlorophyll, CAT activity, and proline content were studied in different mung bean genotypes. Under As stress, the chlorophyll a, chlorophyll b, and total chlorophyll contents in BARI mung 3, BARI mung 5, and BARI mung 8 were found statistically similar. Meanwhile, CAT activity increased in comparison to the control due to the application of BC, AMF, and Se in mung bean crops. However, proline was found significantly lower in AMF, BC, and Se-treated mung bean. This indicates that oxidative stress was potentially minimized in As-stressed mung bean crops due to the application of these stress relief substances. Notably, AMF was relatively effective against As stress in comparison to BC and Se. It is concluded that BC, AMF, and Se are all highly effective in enhancing antioxidant defenses as well as the nutritional quality of mung bean crops under As stress.
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Affiliation(s)
- Mohammad Zahangeer Alam
- Department of Environmental Science, Faculty of Agriculture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh
- Department of Crop and Soil Sciences, Washington State University, Pullman, WA, United States
- Department of Soil Science, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Rebecca McGee
- Department of Crop and Soil Sciences, Washington State University, Pullman, WA, United States
- Grain Legume Genetics Physiology Research, Agricultural Research Service, United States Department of Agriculture, Pullman, WA, United States
| | - Md. Anamul Hoque
- Department of Soil Science, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Golam Jalal Ahammed
- College of Forestry, Henan University of Science and Technology, Luoyang, China
| | - Lynne Carpenter-Boggs
- Department of Crop and Soil Sciences, Washington State University, Pullman, WA, United States
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20
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Li K, Green AR, Dinges MM, Larive CK. 1H NMR characterization of chitin tetrasaccharide in binary H 2O:DMSO solution: Evidence for anomeric end-effect propagation. Int J Biol Macromol 2019; 129:744-749. [PMID: 30771389 DOI: 10.1016/j.ijbiomac.2019.02.062] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 01/15/2019] [Accepted: 02/11/2019] [Indexed: 11/29/2022]
Abstract
Chitin oligosaccharides, composed of homogeneous β(1 → 4)-linked N-acetyl-D-glucosamine (GlcNAc) sequences, is a well-known elicitor of plant immune defense, and also occur as structural elements of chitosan and nodulation (Nod) factor. Detailed microstructure characterization is required for understanding the function mode of these bioactive molecules. Herein, experimental conditions for detection and elucidation of the 1H NMR resonances of amide groups in chitin oligosaccharides are presented. The binary mixture of 70% H2O: 30% DMSO‑d6 was found to be the optimal solvent for amide proton measurements in homogeneous GlcNAc sequences, facilitating differentiation of the local chemical microenvironments of all four amide groups of the chitin tetrasaccharide. Experimental evidence that anomeric end-effect triggers amide proton resonance differentiation at the adjacent residue has potential to provide important insights into the solution structure of chitin and other amino sugars containing GlcNAc sequences.
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Affiliation(s)
- Kecheng Li
- Department of Chemistry, University of California - Riverside, Riverside, CA 92521, United States; Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China.
| | - Andrew R Green
- Department of Chemistry, University of California - Riverside, Riverside, CA 92521, United States
| | - Meredith M Dinges
- Department of Chemistry, University of California - Riverside, Riverside, CA 92521, United States
| | - Cynthia K Larive
- Department of Chemistry, University of California - Riverside, Riverside, CA 92521, United States.
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21
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Liu H, Chen X, Song L, Li K, Zhang X, Liu S, Qin Y, Li P. Polysaccharides from Grateloupia filicina enhance tolerance of rice seeds (Oryza sativa L.) under salt stress. Int J Biol Macromol 2018; 124:1197-1204. [PMID: 30503791 DOI: 10.1016/j.ijbiomac.2018.11.270] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2018] [Revised: 11/16/2018] [Accepted: 11/28/2018] [Indexed: 11/30/2022]
Abstract
Rice (Oryza sativa L.) is a salt-sensitive crop which could be suppressed seriously by salt stress at germination stage. Some seaweeds polysaccharides could enhance plants resistance but there is little research about polysaccharides from Grateloupia filicina in agriculture. Therefore, G. filicina polysaccharide (GFP) and low molecular weight (MW) G. filicina polysaccharide (LGFP) were applied to rice seeds under salt stress (GFP: 2093.4 kDa, LGFP-1: 40.8 kDa, LGFP-2: 22.6 kDa, LGFP-3: 5.1 kDa, LGFP-4: 3.0 kDa). Relatively low MW polysaccharides LGFP1-4 showed better effect than GFP, and LGFP-1 showed the best effect on germination potential, germination index, shoot/root length and vigor index than negative control by 26.67, 14.27, 30.50, 202.65 and 162.78%, respectively. Optimum concentration was determined at 0.1 mg/mL, and LGFP-1 increased proline content, superoxide dismutase (SOD) and peroxidase activities (POD) which improved ability of osmotic adjustment and reactive oxygen species (ROS) scavenging. FITC-labeled LGFP-1 (F-LGFP-1) was to investigate the polysaccharide absorption and it was be observed in root and shoot with different distribution. Finally, expression of Na+/H+ antiporter gene was up regulated which suggested LGFP-1 could protect rice seeds by regulating Na+ content. This research showed potential application of polysaccharides from G. filicina for increasing rice seeds salt tolerance.
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Affiliation(s)
- Hong Liu
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao 266071, China; Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiaolin Chen
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao 266071, China; Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China.
| | - Lin Song
- College of Marine Science and Biological Engineering, Qingdao University of Science & Technology, No. 53 Zhengzhou Road, Shibei District, Qingdao 266071, China; Shandong Provincial Key Laboratory of Biochemical Engineering, College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Kecheng Li
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao 266071, China; Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Xiaoqian Zhang
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao 266071, China; Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Song Liu
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao 266071, China; Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Yukun Qin
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao 266071, China; Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Pengcheng Li
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao 266071, China; Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China.
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Zhang X, Li K, Xing R, Liu S, Chen X, Yang H, Li P. miRNA and mRNA Expression Profiles Reveal Insight into Chitosan-Mediated Regulation of Plant Growth. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:3810-3822. [PMID: 29584426 DOI: 10.1021/acs.jafc.7b06081] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Chitosan has been numerously studied as a plant growth regulator and stress tolerance inducer. To investigate the roles of chitosan as bioregulator on plant and unravel its possible metabolic responses mechanisms, we simultaneously investigated mRNAs and microRNAs (miRNAs) expression profiles of wheat seedlings in response to chitosan heptamer. We found 400 chitosan-responsive differentially expressed genes, including 268 up-regulated and 132 down-regulated mRNAs, many of which were related to photosynthesis, primary carbon and nitrogen metabolism, defense responses, and transcription factors. Moreover, miRNAs also participate in chitosan-mediated regulation on plant growth. We identified 87 known and 21 novel miRNAs, among which 56 miRNAs were induced or repressed by chitosan heptamer, such as miRNA156, miRNA159a, miRNA164, miRNA171a, miRNA319, and miRNA1127. The integrative analysis of miRNA and mRNA expression profiles in this case provides fundamental information for further investigation of regulation mechanisms of chitosan on plant growth and will facilitate its application in agriculture.
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Affiliation(s)
- Xiaoqian Zhang
- Key Laborotory of Experimental Marine Biology , Institute of Oceanology, Chinese Academy of Sciences , Qingdao 266071 , China
- University of Chinese Academy of Sciences, Beijing 100049 , China
| | - Kecheng Li
- Key Laborotory of Experimental Marine Biology , Institute of Oceanology, Chinese Academy of Sciences , Qingdao 266071 , China
- Laboratory for Marine Drugs and Bioproducts , Qingdao National Laboratory for Marine Science and Technology , Qingdao 266237 , China
| | - Ronge Xing
- Key Laborotory of Experimental Marine Biology , Institute of Oceanology, Chinese Academy of Sciences , Qingdao 266071 , China
- Laboratory for Marine Drugs and Bioproducts , Qingdao National Laboratory for Marine Science and Technology , Qingdao 266237 , China
| | - Song Liu
- Key Laborotory of Experimental Marine Biology , Institute of Oceanology, Chinese Academy of Sciences , Qingdao 266071 , China
- Laboratory for Marine Drugs and Bioproducts , Qingdao National Laboratory for Marine Science and Technology , Qingdao 266237 , China
| | - Xiaolin Chen
- Key Laborotory of Experimental Marine Biology , Institute of Oceanology, Chinese Academy of Sciences , Qingdao 266071 , China
- Laboratory for Marine Drugs and Bioproducts , Qingdao National Laboratory for Marine Science and Technology , Qingdao 266237 , China
| | - Haoyue Yang
- Key Laborotory of Experimental Marine Biology , Institute of Oceanology, Chinese Academy of Sciences , Qingdao 266071 , China
- Laboratory for Marine Drugs and Bioproducts , Qingdao National Laboratory for Marine Science and Technology , Qingdao 266237 , China
| | - Pengcheng Li
- Key Laborotory of Experimental Marine Biology , Institute of Oceanology, Chinese Academy of Sciences , Qingdao 266071 , China
- Laboratory for Marine Drugs and Bioproducts , Qingdao National Laboratory for Marine Science and Technology , Qingdao 266237 , China
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Zou P, Lu X, Jing C, Yuan Y, Lu Y, Zhang C, Meng L, Zhao H, Li Y. Low-Molecular-Weightt Polysaccharides From Pyropia yezoensis Enhance Tolerance of Wheat Seedlings ( Triticum aestivum L.) to Salt Stress. FRONTIERS IN PLANT SCIENCE 2018; 9:427. [PMID: 29719543 PMCID: PMC5913351 DOI: 10.3389/fpls.2018.00427] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2017] [Accepted: 03/20/2018] [Indexed: 05/29/2023]
Abstract
Soil salinity is one of the major issues worldwide that affects plant growth and reduces agricultural productivity. Seaweed polysaccharides have been shown to promote crop growth and improve the resistance of plant to abiotic stresses. Pyropia yezoensis is a commercially important edible red alga in Southeast Asia. However, there is little research on the application of polysaccharides from P. yezoensis in agriculture. The molecular weight (MW) of polysaccharides influences their properties. Therefore, in this study, four representative polysaccharides from P. yezoensis (PP) with different MWs (MW: 3.2, 10.5, 29.0, and 48.8 kDa) were prepared by microwave-assisted acid hydrolysis. The relationship between the degradation of polysaccharides from P. yezoensis (DPP) and their effects on plant salt tolerance was investigated. The results showed that exogenous PP and DPPs increased wheat seedling shoot and root lengths, and fresh and dry weights, alleviated membrane lipid peroxidation, increased the chlorophyll content and enhanced antioxidant activities. The expression level examination analysis of several Na+/K+ transporter genes suggested that DPPs could protect plants from the damage of salt stress by coordinating the efflux and compartmentation of Na+. The results demonstrated that polysaccharides could regulate antioxidant enzyme activities and modulate intracellular ion concentration, thereby to protect plants from salt stress damage. Furthermore, there was a significant correlation between the tolerance of wheat seedlings to salt stress and MW of polysaccharides. The results suggested that the lower-MW samples (DPP1, 3.2 kDa) most effectively protect wheat seedlings against salt stress.
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Affiliation(s)
- Ping Zou
- Marine Agriculture Research Center, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Xueli Lu
- Marine Agriculture Research Center, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Changliang Jing
- Marine Agriculture Research Center, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Yuan Yuan
- Marine Agriculture Research Center, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Yi Lu
- College of Agriculture, Qingdao Agricultural University, Qingdao, China
| | - Chengsheng Zhang
- Marine Agriculture Research Center, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Lei Meng
- State Key Laboratory of Bioactive Seaweed Substances, Qingdao, China
| | - Hongtao Zhao
- State Key Laboratory of Bioactive Seaweed Substances, Qingdao, China
| | - Yiqiang Li
- Marine Agriculture Research Center, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
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Merino D, Mansilla AY, Casalongué CA, Alvarez VA. Preparation, Characterization, and In Vitro Testing of Nanoclay Antimicrobial Activities and Elicitor Capacity. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:3101-3109. [PMID: 29509416 DOI: 10.1021/acs.jafc.8b00049] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Clay-based nanocomposites (nanoclays) are interesting systems to hold a wide type of active substances with a wide field of industrial applications. Bentonite-chitosan nanoclay was obtained via cationic exchange of natural bentonite (Bent) with an aqueous solution of chitosan (CS). Their physicochemical and morphological properties were discussed under the light of Fourier transform infrared spectroscopy, X-ray diffraction, thermogravimetric analysis, and scanning electron microscopy. Bent-CS characterization indicated that CS was intercalated in 10% (w/w). This polycationic polymer was oriented mostly in a monolayer arrangement, interacting by electrostatic forces between Bent sheets. The antimicrobial action of Bent-CS nanoclay was assayed onto phytopathogens, the bacterium model Pseudomonas syringe pv. tomato DC3000 ( Psy) and the necrotrophic fungus Fusarium solani f. sp. eumartii ( F. eumartii). In addition to demonstrating cell death on both microorganisms, Bent-CS exerted elicitor property on tomato plantlets. The biological actions of this natural nanomaterial might make it proper to be used in crops.
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Affiliation(s)
- Danila Merino
- Grupo de Materiales Compuestos Termoplásticos (CoMP), Instituto de Investigaciones en Ciencia y Tecnología de Materiales (INTEMA) , Universidad Nacional de Mar del Plata-Concejo Nacional de Investigaciones Científicas y Técnicas (CONICET) , Colon 10890 , 7600 Mar del Plata , Argentina
| | - Andrea Y Mansilla
- Instituto de Investigaciones Biológicas, UE CONICET-UNMdP, Facultad de Ciencias Exactas y Naturales , Universidad Nacional de Mar del Plata , Deán Funes 3250 , 7600 Mar del Plata , Argentina
| | - Claudia A Casalongué
- Instituto de Investigaciones Biológicas, UE CONICET-UNMdP, Facultad de Ciencias Exactas y Naturales , Universidad Nacional de Mar del Plata , Deán Funes 3250 , 7600 Mar del Plata , Argentina
| | - Vera A Alvarez
- Grupo de Materiales Compuestos Termoplásticos (CoMP), Instituto de Investigaciones en Ciencia y Tecnología de Materiales (INTEMA) , Universidad Nacional de Mar del Plata-Concejo Nacional de Investigaciones Científicas y Técnicas (CONICET) , Colon 10890 , 7600 Mar del Plata , Argentina
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