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Raj R, Bhattu M, Verma M, Acevedo R, Duc ND, Singh J. Biogenic silver based nanostructures: Synthesis, mechanistic approach and biological applications. ENVIRONMENTAL RESEARCH 2023; 231:116045. [PMID: 37146935 DOI: 10.1016/j.envres.2023.116045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 04/20/2023] [Accepted: 05/02/2023] [Indexed: 05/07/2023]
Abstract
The alarming impact of antibiotic resistance sparked the quest for complementary treatments to overcome the confrontation over resistant pathogens. Metallic nanoparticles, especially silver nanoparticles (Ag NPs) have gained a much attention because of their remarkable biological characteristics. Moreover, their medicinal properties can be enhanced by preparing the composites with other materials. This article delves a comprehensive review of biosynthesis route for Ag NPs and their nanocomposites (NCs) with in-depth mechanism, methods and favorable experimental parameters. Comprehensive biological features Ag NPs such as antibacterial, antiviral, antifungal have been examined, with a focus on their potential uses in biomedicine and diagnostics has also been discussed. Additionally, we have also explored the hitches and potential outcomes of biosynthesis of Ag NPs in biomedical filed.
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Affiliation(s)
- Riya Raj
- Department of Biochemistry, Bangalore University, Mysore Rd, Jnana Bharathi, Bengaluru, Karnataka, 560056, India
| | - Monika Bhattu
- Department of Chemistry, University Centre for Research and Development, Chandigarh University, Gharuan, Mohali, 140413, Punjab, India
| | - Meenakshi Verma
- Department of Chemistry, University Centre for Research and Development, Chandigarh University, Gharuan, Mohali, 140413, Punjab, India
| | - Roberto Acevedo
- San Sebastián University.Santiago, Campus Bellavista 7, Chile
| | - Nguyen D Duc
- Department of Environmental Energy Engineering, Kyonggi University, South Korea
| | - Jagpreet Singh
- Department of Chemistry, University Centre for Research and Development, Chandigarh University, Gharuan, Mohali, 140413, Punjab, India.
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A New Approach in Meat Bio-Preservation through the Incorporation of a Heteropolysaccharide Isolated from Lobularia maritima L. Foods 2022; 11:foods11233935. [PMID: 36496743 PMCID: PMC9741361 DOI: 10.3390/foods11233935] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 11/24/2022] [Accepted: 11/25/2022] [Indexed: 12/12/2022] Open
Abstract
In this study, a new heteropolysaccharide extracted from Lobularia maritima (L.) Desv. (LmPS), a halophyte harvested in Tunisia, was evaluated as an antioxidant and antibacterial additive in the bio-preservation of raw minced meat. For antibacterial testing, Gram-positive bacteria such as Staphylococcus aureus ATCC and Listeria monocytogenes ATCC 19,117 and Gram-negative bacteria such as Salmonella enterica ATCC 43,972 and Escherichia coli ATCC 25,922 were used. The results indicate that this polymer had a significant antibacterial activity against foodborne pathogens. Additionally, the effects of LmPS at 0.15, 0.3 and 0.6% on refrigerated raw ground beef were investigated from a microbiological, chemical, and sensory perspective. Microbiological analysis of the meat showed that treatment with LmPS significantly (p < 0.05) improved its shelf life, while the biochemical analysis evidenced a significant (p < 0.05) decrease in lipid oxidation. LmPS at 0.6% significantly reduced by 61% and 48% metmyoglobin accumulation at the end of the storage period when compared to BHT and control samples, respectively. The chemometric approach highlighted the relationships among the different meat quality parameters. LmPS can be introduced in the food industry as a powerful natural additive and could be an alternative to synthetic antioxidant compounds.
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Riseh RS, Hassanisaadi M, Vatankhah M, Babaki SA, Barka EA. Chitosan as a potential natural compound to manage plant diseases. Int J Biol Macromol 2022; 220:998-1009. [PMID: 35988725 DOI: 10.1016/j.ijbiomac.2022.08.109] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 07/26/2022] [Accepted: 08/16/2022] [Indexed: 11/05/2022]
Abstract
The necessity for non-chemical approaches has grown as awareness of the dangers posed by pesticides has spread. Chitosan, due to its biocompatibility, biodegradability, and bioactivity is one the effective choice in phytopathology. Chitosan is a biopolymer that reduces plant diseases through two main mechanisms: (1) Direct antimicrobial function against pathogens, including plasma membrane damage mechanisms, interactions with DNA and RNA (electrostatic interactions), metal chelating capacity, and deposition onto the microbial surface, (2) Induction of plant defense responses resulting from downstream signalling, transcription factor activation, gene transcription and finally cellular activation after recognition and binding of chitin and chitosan by cell surface receptors. This biopolymer have potential with capability to combating fungi, bacteria, and viruses phythopathogens. Chitosan is synthesized by deacetylating chitin. The degree of deacetylation and molecular weight of chitosan are variable and have been mentioned as important structural parameters in chitosan's biological properties. Chitosan with a higher degree of deacetylation (>70 %) has better biological properties. Many crops able to withstand pre- and post-harvest illnesses better after receiving chitosan as a seed treatment, soil amendment, or foliar spray. This review discussed the properties and use of chitosan and focuses on its application as a plant resistance inducer against pathogens.
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Affiliation(s)
- Roohallah Saberi Riseh
- Department of Plant Protection, Faculty of Agriculture, Vali-e-Asr University of Rafsanjan, Imam Khomeini Square, Rafsanjan 7718897111, Iran.
| | - Mohadeseh Hassanisaadi
- Department of Plant Protection, Faculty of Agriculture, Vali-e-Asr University of Rafsanjan, Imam Khomeini Square, Rafsanjan 7718897111, Iran; Department of Plant Protection, Faculty of Agriculture, Shahid Bahonar University of Kerman, Kerman 7618411764, Iran
| | - Masoumeh Vatankhah
- Department of Plant Protection, Faculty of Agriculture, Vali-e-Asr University of Rafsanjan, Imam Khomeini Square, Rafsanjan 7718897111, Iran
| | - Somayeh Abdani Babaki
- Department of Plant Protection, Faculty of Agriculture, Vali-e-Asr University of Rafsanjan, Imam Khomeini Square, Rafsanjan 7718897111, Iran
| | - Essaid Ait Barka
- Induced Resistance and Plant BioProtection Research Unit, UFR Sciences, UPRES EA 4707-USC INRAeE1488, University of Reims Champagne-Ardenne, 51687 Reims, France.
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Wei X, Cai J, Wang C, Yang K, Ding S, Tian F, Lin S. Quaternized chitosan/cellulose composites as enhanced hemostatic and antibacterial sponges for wound healing. Int J Biol Macromol 2022; 210:271-281. [DOI: 10.1016/j.ijbiomac.2022.05.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 04/21/2022] [Accepted: 05/02/2022] [Indexed: 11/05/2022]
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Xing Y, Tang J, Li X, Huang R, Wu L, Xu Q, Liu X, Bi X. Photo-Induced Antifungal Activity of Chitosan Composite Film Solution with Nano-Titanium Dioxide and Nano-Silver. J Food Prot 2022; 85:597-606. [PMID: 35020918 DOI: 10.4315/jfp-21-290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 01/11/2022] [Indexed: 11/11/2022]
Abstract
ABSTRACT This study was conducted to investigate the UV light-induced effect of chitosan-titanium dioxide-silver (CTS-TiO2-Ag) nanocomposite film solution against Penicillium steckii and the underlying physiological mechanism of this effect. With longer UV exposure time, pathogen inhibition increased. UV-photoinduced treatment for 120 min produced the smallest P. steckii colony diameter, at 4.85 mm. However, when this treatment was followed by 8 h of storage, the conductivity of the P. steckii culture medium reached its highest level, at 713 microsiemens per cm. After a 120-h growth period on mangoes under the same conditions, the lesion diameters and proportion of infected mangoes reached 12.61 mm and 41.67%, respectively. Because the P. steckii cell membrane was severely disrupted, its permeability increased, causing serious extravasation of intracellular protein and nucleic acid material. Malondialdehyde, catalase, and superoxide dismutase in the P. steckii cells reached maximum concentrations (2.1106 μmol/mL, 44.06 U/mL, and 24.67 U/mL, respectively) after 8 h of incubation. These results indicate significant P. steckii inhibition by the UV light induction of the CTS-TiO2-Ag nanocomposite film solution. HIGHLIGHTS
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Affiliation(s)
- Yage Xing
- Chongqing Key Laboratory of Sichuan-Chongqing Co-Constructed Characteristic Foods, College of Food and Bioengineering, Xihua University, Chengdu 610039, People's Republic of China.,Key Laboratory of Food Non-Thermal Processing, Engineering Technology Research Center of Food Non-Thermal Processing, Yibin Xihua University Research Institute, Yibin 644004, People's Republic of China
| | - Jing Tang
- Chongqing Key Laboratory of Sichuan-Chongqing Co-Constructed Characteristic Foods, College of Food and Bioengineering, Xihua University, Chengdu 610039, People's Republic of China
| | - Xuanlin Li
- Chongqing Key Laboratory of Sichuan-Chongqing Co-Constructed Characteristic Foods, College of Food and Bioengineering, Xihua University, Chengdu 610039, People's Republic of China
| | - Ruihan Huang
- Chongqing Key Laboratory of Sichuan-Chongqing Co-Constructed Characteristic Foods, College of Food and Bioengineering, Xihua University, Chengdu 610039, People's Republic of China
| | - Lin Wu
- Chongqing Key Laboratory of Sichuan-Chongqing Co-Constructed Characteristic Foods, College of Food and Bioengineering, Xihua University, Chengdu 610039, People's Republic of China
| | - Qinglian Xu
- Chongqing Key Laboratory of Sichuan-Chongqing Co-Constructed Characteristic Foods, College of Food and Bioengineering, Xihua University, Chengdu 610039, People's Republic of China
| | - Xiaocui Liu
- Chongqing Key Laboratory of Sichuan-Chongqing Co-Constructed Characteristic Foods, College of Food and Bioengineering, Xihua University, Chengdu 610039, People's Republic of China
| | - Xiufang Bi
- Chongqing Key Laboratory of Sichuan-Chongqing Co-Constructed Characteristic Foods, College of Food and Bioengineering, Xihua University, Chengdu 610039, People's Republic of China.,Key Laboratory of Food Non-Thermal Processing, Engineering Technology Research Center of Food Non-Thermal Processing, Yibin Xihua University Research Institute, Yibin 644004, People's Republic of China
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Thonglao N, Pakkulnan R, Paluka J, Chareonsudjai P, Kanokmedhakul S, Kanokmedhakul K, Chareonsudjai S. Chitosan biological molecule improves bactericidal competence of ceftazidime against Burkholderia pseudomallei biofilms. Int J Biol Macromol 2022; 201:676-685. [PMID: 35063492 DOI: 10.1016/j.ijbiomac.2022.01.053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 01/06/2022] [Accepted: 01/09/2022] [Indexed: 11/05/2022]
Abstract
Biofilm-associated Burkholderia pseudomallei infections (melioidosis) are problematic because of reduced sensitivity to antibiotics and high frequency of relapse. Biofilm dispersal agents are essential to liberate the biofilm-encased cells, which then become planktonic and are more susceptible to antibiotics. This study aimed to evaluate the ability of deacetylated chitosan (dCS), an antimicrobial and antibiofilm biological macromolecule, to disrupt established biofilms, thus enabling ceftazidime (CAZ) to kill biofilm-embedded B. pseudomallei. We combined dCS with CAZ using a mechanical stirring method to generate dCS/CAZ. In combination, 1.25-2.5 mg ml-1 dCS/1-2 μg ml-1 CAZ acted synergistically to kill cells more effectively than did either dCS or CAZ alone. Notably, a combination of 5-10 mg ml-1 dCS with 256-512 μg ml-1 CAZ, prepared either by mechanical stirring (dCS/CAZ) or mixing (dCS + CAZ), drastically improved bactericidal activities against biofilm cells leading to a 3-6 log CFU reduction. Confocal laser-scanning microscope (CLSM) images revealed that 10 mg ml-1 dCS/512 μg ml-1 CAZ is by far the best formulation to diminish B. pseudomallei biofilm biomass and produces the lowest live/dead cell ratios of B. pseudomallei in biofilm matrix. Collectively, these findings emphasize the potential of novel therapeutic antibacterial and antibiofilm agents to fight against antibiotic-tolerant B. pseudomallei biofilm-associated infections.
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Affiliation(s)
- Nuttaya Thonglao
- Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Rattiyaphorn Pakkulnan
- Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Jakkapat Paluka
- Natural Product Research Unit, Center of Excellence for Innovation in Chemistry, Department of Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand
| | - Pisit Chareonsudjai
- Department of Environmental Science, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand; Biofilm Research Group, Khon Kaen University, Khon Kaen, Thailand
| | - Somdej Kanokmedhakul
- Natural Product Research Unit, Center of Excellence for Innovation in Chemistry, Department of Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand
| | - Kwanjai Kanokmedhakul
- Natural Product Research Unit, Center of Excellence for Innovation in Chemistry, Department of Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand
| | - Sorujsiri Chareonsudjai
- Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand; Biofilm Research Group, Khon Kaen University, Khon Kaen, Thailand; Research and Diagnostic Center for Emerging Infectious Diseases (RCEID), Khon Kaen, Thailand.
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Crespo L, Gaglio R, Martínez FG, Martin GM, Franciosi E, Madrid-Albarrán Y, Settanni L, Mozzi F, Pescuma M. Bioaccumulation of selenium-by fruit origin lactic acid bacteria in tropical fermented fruit juices. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.112103] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Wang Z, Sun Q, Zhang H, Wang J, Fu Q, Qiao H, Wang Q. Insight into antibacterial mechanism of polysaccharides: A review. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.111929] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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9
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Mendez-Pfeiffer P, Juarez J, Hernandez J, Taboada P, Virués C, Valencia D, Velazquez C. Nanocarriers as drug delivery systems for propolis: A therapeutic approach. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2021.102762] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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10
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Strategic approach of multifaceted antibacterial mechanism of limonene traced in Escherichia coli. Sci Rep 2021; 11:13816. [PMID: 34226573 PMCID: PMC8257740 DOI: 10.1038/s41598-021-92843-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Accepted: 06/11/2021] [Indexed: 02/01/2023] Open
Abstract
Antibacterial potential of Limonene against Multi Drug Resistant (MDR) pathogens was studied and mechanism explored. Microscopic techniques viz. Fluorescent Microscopy (FM), Scanning Electron Microscopy (SEM), and Transmission Electron Microscopy (TEM) indicated membrane disruption, cellular leakage and cell death of Escherichia coli (E. coli) cells when treated with limonene. Leakage of intracellular proteins, lipids and nucleic acid confirmed membrane damage and disruption of cell permeability barrier. Further, release of intracellular ATP, also suggested disruption of membrane barrier. Interaction of limonene with DNA revealed its capability in unwinding of plasmid, which could eventually inhibit DNA transcription and translation. Differential expression of various proteins and enzymes involved in transport, respiration, metabolism, chemotaxis, protein synthesis confirmed the mechanistic role of limonene on their functions. Limonene thus can be a potential candidate in drug development.
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Salgado-Cruz MDLP, Salgado-Cruz J, García-Hernández AB, Calderón-Domínguez G, Gómez-Viquez H, Oliver-Espinoza R, Fernández-Martínez MC, Yáñez-Fernández J. Chitosan as a Coating for Biocontrol in Postharvest Products: A Bibliometric Review. MEMBRANES 2021; 11:421. [PMID: 34073018 PMCID: PMC8228418 DOI: 10.3390/membranes11060421] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 05/14/2021] [Accepted: 05/21/2021] [Indexed: 11/30/2022]
Abstract
The aim of this work was to carry out a systematic literature review focused on the scientific production, trends, and characteristics of a knowledge domain of high worldwide importance, namely, the use of chitosan as a coating for postharvest disease biocontrol in fruits and vegetables, which are generated mainly by fungi and bacteria such as Aspergillus niger, Rhizopus stolonifera, and Botrytis cinerea. For this, the analysis of 875 published documents in the Scopus database was performed for the years 2011 to 2021. The information of the keywords' co-occurrence was visualized and studied using the free access VOSviewer software to show the trend of the topic in general. The study showed a research increase of the chitosan and nanoparticle chitosan coating applications to diminish the postharvest damage by microorganisms (fungi and bacteria), as well as the improvement of the shelf life and quality of the products.
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Affiliation(s)
- Ma de la Paz Salgado-Cruz
- Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México 07738, Mexico; (M.d.l.P.S.-C.); (A.B.G.-H.); (G.C.-D.)
- Consejo Nacional de Ciencia y Tecnología (CONACYT), Ciudad de México 03940, Mexico
| | - Julia Salgado-Cruz
- Centro de Investigaciones Económicas, Administrativas y Sociales, Instituto Politécnico Nacional, Ciudad de México 11360, Mexico; (J.S.-C.); (H.G.-V.); (R.O.-E.)
| | - Alitzel Belem García-Hernández
- Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México 07738, Mexico; (M.d.l.P.S.-C.); (A.B.G.-H.); (G.C.-D.)
| | - Georgina Calderón-Domínguez
- Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México 07738, Mexico; (M.d.l.P.S.-C.); (A.B.G.-H.); (G.C.-D.)
| | - Hortensia Gómez-Viquez
- Centro de Investigaciones Económicas, Administrativas y Sociales, Instituto Politécnico Nacional, Ciudad de México 11360, Mexico; (J.S.-C.); (H.G.-V.); (R.O.-E.)
| | - Rubén Oliver-Espinoza
- Centro de Investigaciones Económicas, Administrativas y Sociales, Instituto Politécnico Nacional, Ciudad de México 11360, Mexico; (J.S.-C.); (H.G.-V.); (R.O.-E.)
| | - María Carmen Fernández-Martínez
- Laboratorio de Biotecnología Alimentaria, Unidad Profesional Interdisciplinaria de Biotecnología, Instituto Politécnico Nacional, Ciudad de México 07340, Mexico;
| | - Jorge Yáñez-Fernández
- Laboratorio de Biotecnología Alimentaria, Unidad Profesional Interdisciplinaria de Biotecnología, Instituto Politécnico Nacional, Ciudad de México 07340, Mexico;
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Lu Y, Aizhan R, Yan H, Li X, Wang X, Yi Y, Shan Y, Liu B, Zhou Y, Lü X. Characterization, modes of action, and application of a novel broad-spectrum bacteriocin BM1300 produced by Lactobacillus crustorum MN047. Braz J Microbiol 2020; 51:2033-2048. [PMID: 32537676 PMCID: PMC7688877 DOI: 10.1007/s42770-020-00311-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Accepted: 05/28/2020] [Indexed: 10/24/2022] Open
Abstract
Bacteriocins are ribosomally synthesized peptides with antibacterial activity against food-borne pathogenic bacteria that cause spoilage, possessing important potential for use as a natural preservative in the food industry. The novel bacteriocin BM1300 produced by Lactobacillus crustorum MN047 was identified after purification in this study. It displayed broad-spectrum antibacterial activity against some selected Gram-positive and Gram-negative bacteria. The minimum inhibitory concentration (MIC) values of BM1300 against Staphylococcus aureus ATCC 25923 and Escherichia coli ATCC 25922 were 13.4 μg/mL and 6.7 μg/mL, respectively. Moreover, BM1300 showed excellent thermal (between 60 and 120 °C), pH (2-11), and chemical (Tween-40, Tween-80, Triton X-100, and EDTA) stabilities. Time-kill curves revealed that BM1300 exhibited bactericidal activity against S. aureus and E. coli. The scanning and transmission electron microscopy indicated that BM1300 acted by disrupting the cell membrane integrity and increasing cell membrane permeabilization of indicator bacteria. The disruption of cell membrane integrity caused by BM1300 was further demonstrated by the uptake of propidium iodide (PI) and the release of intracellular lactate dehydrogenase (LDH) and nucleic acid and proteins. Moreover, BM1300 affected cell cycle distribution to exert antibacterial activity collaboratively. Meanwhile, BM1300 inhibited the growth of S. aureus and E. coli of beef meat and improved the microbiological quality of beef meat. These findings place BM1300 as a potential biopreservative in the food industry.
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Affiliation(s)
- Yingying Lu
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi Province, China
| | - Rakhmanova Aizhan
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi Province, China
| | - Hong Yan
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi Province, China
| | - Xin Li
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi Province, China
| | - Xin Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi Province, China
| | - Yanglei Yi
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi Province, China
| | - Yuanyuan Shan
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi Province, China
| | - Bianfang Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi Province, China
| | - Yuan Zhou
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi Province, China
| | - Xin Lü
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi Province, China.
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Wei Y, Zhao Y, Zhou D, Qi D, Li K, Tang W, Chen Y, Jing T, Zang X, Xie J, Wang W. A Newly Isolated Streptomyces sp. YYS-7 With a Broad-Spectrum Antifungal Activity Improves the Banana Plant Resistance to Fusarium oxysporum f. sp. cubense Tropical Race 4. Front Microbiol 2020; 11:1712. [PMID: 32903773 PMCID: PMC7438861 DOI: 10.3389/fmicb.2020.01712] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Accepted: 06/30/2020] [Indexed: 12/17/2022] Open
Abstract
Fusarium wilt of banana caused by Fusarium oxysporum f. sp. cubense (Foc) is one of the most destructive diseases, severely limiting the development of banana industry. Especially, Foc tropical race 4 (Foc TR4) can infect and destroy almost all banana cultivars. Until now, there is still a lack of an effective method for controlling fusarium wilt. A biocontrol strategy using Actinobacteria is considered as a promising method for management of disease and pest. In this study, 229 Actinobacteria were isolated from rhizosphere soil samples of a primitive ecological mountain. An actinobacterium strain marked with YYS-7 exhibited a high antifungal activity against Foc TR4. Combining the physiological and biochemical characteristics as well as alignment of the 16S rRNA sequence, the strain YYS-7 was assigned to Streptomyces sp. The crude extracts of Streptomyces sp. YYS-7 obviously inhibited the mycelial growth of Foc TR4. The cell integrity and ultrastructure were seriously destroyed. In addition, Streptomyces sp. YYS-7 and crude extracts also showed a broad-spectrum antifungal activity against the selected seven phytopathogenic fungi. A gas chromatography-mass spectrometry (GC-MS) was used to predict the antifungal metabolites. A total of eleven different compounds were identified, including phenolic compounds, hydrocarbons, esters and acids. In the pot experiment, the crude extracts can significantly improve the banana plant’s resistance to Foc TR4. Hence, Streptomyces sp. YYS-7 will be a potential biocontrol agent for the biofertilizer exploitation and the discovery of new bioactive substances.
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Affiliation(s)
- Yuanyuan Wei
- Key Laboratory of Biology and Genetic Resources of Tropical Crops, Ministry of Agriculture, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou, China.,College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, China
| | - Yankun Zhao
- Key Laboratory of Biology and Genetic Resources of Tropical Crops, Ministry of Agriculture, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou, China
| | - Dengbo Zhou
- Key Laboratory of Biology and Genetic Resources of Tropical Crops, Ministry of Agriculture, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou, China
| | - Dengfeng Qi
- Key Laboratory of Biology and Genetic Resources of Tropical Crops, Ministry of Agriculture, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou, China
| | - Kai Li
- Key Laboratory of Biology and Genetic Resources of Tropical Crops, Ministry of Agriculture, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou, China
| | - Wen Tang
- Key Laboratory of Biology and Genetic Resources of Tropical Crops, Ministry of Agriculture, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou, China
| | - Yufeng Chen
- Key Laboratory of Biology and Genetic Resources of Tropical Crops, Ministry of Agriculture, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou, China
| | - Tao Jing
- Haikou Experimental Station, Chinese Academy of Tropical Agricultural Sciences, Haikou, China
| | - Xiaoping Zang
- Haikou Experimental Station, Chinese Academy of Tropical Agricultural Sciences, Haikou, China
| | - Jianghui Xie
- Key Laboratory of Biology and Genetic Resources of Tropical Crops, Ministry of Agriculture, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou, China
| | - Wei Wang
- Key Laboratory of Biology and Genetic Resources of Tropical Crops, Ministry of Agriculture, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou, China
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Sarvestani M, Azadi R. Synthesis and Characterization of GO-Chit-Ni Nanocomposite as a Recoverable Nanocatalyst for Reducing Nitroarenes in Water. LETT ORG CHEM 2020. [DOI: 10.2174/1570178616666190806125217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
In the present study, nickel nanoparticles (Ni-NPs) immobilized on graphene oxide-chitosan
(GO-Chit-Ni) have been synthesized and characterized as a catalyst for reduction of nitroarenes in water.
For this purpose, GO has been functionalized with chitosan (GO-Chit). Then, Ni-NPs were immobilized
on the surface of GO-Chit using a simple method. The GO-Chi-Ni nanocomposites were characterized
using Fourier Transforms Infrared Spectroscopy (FT-IR), Transmission Electron Microscopy
(TEM), X-Ray Diffraction Measurements (XRD), and Atomic Adsorption Spectrometry (AAS). The
GO-Chi-Ni nanoparticles demonstrated appropriate catalytic activity in reducing nitroarenes to aryl
amines in the existence of sodium borohydride (NaBH4) aqueous solution as a hydrogen source at
80oC. This catalytic system applies environmentally benign water as a solvent that is cheap, easily accessible,
non-toxic, non-volatile, non-flammable and thermally stable. This type of catalyst can be applied
several times with no considerable change in its performance.
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Affiliation(s)
- Mosayeb Sarvestani
- Chemistry Department, Faculty of Science, Shahid Chamran University of Ahvaz, Ahvaz 61357-43169, Iran
| | - Roya Azadi
- Chemistry Department, Faculty of Science, Shahid Chamran University of Ahvaz, Ahvaz 61357-43169, Iran
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16
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Arias LS, Brown JL, Butcher MC, Delaney C, Monteiro DR, Ramage G. A nanocarrier system that potentiates the effect of miconazole within different interkingdom biofilms. J Oral Microbiol 2020; 12:1771071. [PMID: 32922677 PMCID: PMC7448886 DOI: 10.1080/20002297.2020.1771071] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Background Novel and new therapeutic strategies capable of enhancing the efficacy of existing antimicrobials is an attractive proposition to meet the needs of society. Objective This study aimed to evaluate the potentiating effect of a miconazole (MCZ) nanocarrier system, incorporated with iron oxide nanoparticles (IONPs) and chitosan (CS) (IONPs-CS-MCZ). This was tested on three representative complex interkingdom oral biofilm models (caries, denture and gingivitis). Materials and methods The planktonic and sessile minimum inhibitory concentrations (MICs) of IONPs-CS-MCZ against different Candida albicans strains were determined, as well as against all represented bacterial species that formed within the three biofilm models. Biofilms were treated for 24 hours with the IONPs-CS nanocarrier system containing MCZ at 64 mg/L, and characterized using a range of bioassays for quantitative and qualitative assessment. Results MIC results generally showed that IONPs-CS-MCZ was more effective than MCZ alone. IONPs-CS-MCZ also promoted reductions in the number of CFUs, biomass and metabolic activity of the representative biofilms, as well as altering biofilm ultrastructure when compared to untreated biofilms. IONPs-CS-MCZ affected the composition and reduced the CFEs for most of the microorganisms present in the three evaluated biofilms. In particular, the proportion of streptococci in the biofilm composition were reduced in all three models, whilst Fusobacterium spp. percentage reduced in the gingivitis and caries models, respectively. Conclusion In conclusion, the IONPs-CS-MCZ nanocarrier was efficient against three in vitro models of pathogenic oral biofilms, showing potential to possibly interfere in the synergistic interactions among fungal and bacterial cells within polymicrobial consortia.
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Affiliation(s)
- Laís Salomão Arias
- Department of Preventive and Restorative Dentistry, São Paulo State University (Unesp), School of Dentistry, Araçatuba, São Paulo, Brazil
| | - Jason L Brown
- Oral Sciences Research Group, Glasgow Dental School, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Mark C Butcher
- Oral Sciences Research Group, Glasgow Dental School, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Christopher Delaney
- Oral Sciences Research Group, Glasgow Dental School, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Douglas Roberto Monteiro
- Department of Preventive and Restorative Dentistry, São Paulo State University (Unesp), School of Dentistry, Araçatuba, São Paulo, Brazil.,Graduate Program in Dentistry (GPD - Master's Degree), University of Western São Paulo (UNOESTE), São Paulo, Brazil
| | - Gordon Ramage
- Oral Sciences Research Group, Glasgow Dental School, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
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17
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Kumar S, Mukherjee A, Dutta J. Chitosan based nanocomposite films and coatings: Emerging antimicrobial food packaging alternatives. Trends Food Sci Technol 2020. [DOI: 10.1016/j.tifs.2020.01.002] [Citation(s) in RCA: 162] [Impact Index Per Article: 40.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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18
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Wrońska N, Anouar A, El Achaby M, Zawadzka K, Kędzierska M, Miłowska K, Katir N, Draoui K, Różalska S, Piwoński I, Bryszewska M, El Kadib A, Lisowska K. Chitosan-Functionalized Graphene Nanocomposite Films: Interfacial Interplay and Biological Activity. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E998. [PMID: 32102202 PMCID: PMC7078879 DOI: 10.3390/ma13040998] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 02/14/2020] [Accepted: 02/19/2020] [Indexed: 02/07/2023]
Abstract
Graphene oxide (GO) has recently captured tremendous attention, but only few functionalized graphene derivatives were used as fillers, and insightful studies dealing with the thermal, mechanical, and biological effects of graphene surface functionalization are currently missing in the literature. Herein, reduced graphene oxide (rGO), phosphorylated graphene oxide (PGO), and trimethylsilylated graphene oxide (SiMe3GO) were prepared by the post-modification of GO. The electrostatic interactions of these fillers with chitosan afforded colloidal solutions that provide, after water evaporation, transparent and flexible chitosan-modified graphene films. All reinforced chitosan-graphene films displayed improved mechanical, thermal, and antibacterial (S. aureus, E. coli) properties compared to native chitosan films. Hemolysis, intracellular catalase activity, and hemoglobin oxidation were also observed for these materials. This study shows that graphene functionalization provides a handle for tuning the properties of graphene-reinforced nanocomposite films and customizing their functionalities.
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Affiliation(s)
- Natalia Wrońska
- Department of Industrial Microbiology and Biotechnology, Faculty of Biology and Environmental Protection, University of Lodz, 12/16 Banacha Street, 90-236 Lodz, Poland; (N.W.); (K.Z.); (S.R.)
| | - Aicha Anouar
- Euromed Research Center, Engineering Division, Euro-Med University of Fes (UEMF), Route de Meknes, Rond-point de Bensouda, Fès 30070, Morocco; (A.A.); (N.K.)
- Materials and Interfacial Systems Laboratory (MSI), Faculty of Sciences, Abdel Malek Essaadi University, B.P. 2121, M’hannech II, Tetouan 930000, Morocco;
| | - Mounir El Achaby
- Materials Science and Nano-engineering (MSN) Department, Mohammed VI Polytechnic University (UM6P), Lot 660–Hay Moulay Rachid, Benguerir 43150, Morocco;
| | - Katarzyna Zawadzka
- Department of Industrial Microbiology and Biotechnology, Faculty of Biology and Environmental Protection, University of Lodz, 12/16 Banacha Street, 90-236 Lodz, Poland; (N.W.); (K.Z.); (S.R.)
| | - Marta Kędzierska
- Department of General Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, 141/143 Pomorska Street, 90-236 Lodz, Poland; (M.K.); (K.M.); (M.B.)
| | - Katarzyna Miłowska
- Department of General Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, 141/143 Pomorska Street, 90-236 Lodz, Poland; (M.K.); (K.M.); (M.B.)
| | - Nadia Katir
- Euromed Research Center, Engineering Division, Euro-Med University of Fes (UEMF), Route de Meknes, Rond-point de Bensouda, Fès 30070, Morocco; (A.A.); (N.K.)
| | - Khalid Draoui
- Materials and Interfacial Systems Laboratory (MSI), Faculty of Sciences, Abdel Malek Essaadi University, B.P. 2121, M’hannech II, Tetouan 930000, Morocco;
| | - Sylwia Różalska
- Department of Industrial Microbiology and Biotechnology, Faculty of Biology and Environmental Protection, University of Lodz, 12/16 Banacha Street, 90-236 Lodz, Poland; (N.W.); (K.Z.); (S.R.)
| | - Ireneusz Piwoński
- Department of Materials Technology and Chemistry, Faculty of Chemistry, University of Lodz, 163 Pomorska Street, 90-236 Lodz, Poland;
| | - Maria Bryszewska
- Department of General Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, 141/143 Pomorska Street, 90-236 Lodz, Poland; (M.K.); (K.M.); (M.B.)
| | - Abdelkrim El Kadib
- Euromed Research Center, Engineering Division, Euro-Med University of Fes (UEMF), Route de Meknes, Rond-point de Bensouda, Fès 30070, Morocco; (A.A.); (N.K.)
| | - Katarzyna Lisowska
- Department of Industrial Microbiology and Biotechnology, Faculty of Biology and Environmental Protection, University of Lodz, 12/16 Banacha Street, 90-236 Lodz, Poland; (N.W.); (K.Z.); (S.R.)
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19
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Alghuthaymi M, Abd-Elsalam KA, Paraliker P, Rai M. Mono and hybrid nanomaterials: Novel strategies to manage postharvest diseases. MULTIFUNCTIONAL HYBRID NANOMATERIALS FOR SUSTAINABLE AGRI-FOOD AND ECOSYSTEMS 2020:287-317. [DOI: 10.1016/b978-0-12-821354-4.00013-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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20
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Ma Y, Yu H, Liu W, Qin Y, Xing R, Li P. Integrated proteomics and metabolomics analysis reveals the antifungal mechanism of the C-coordinated O-carboxymethyl chitosan Cu(II) complex. Int J Biol Macromol 2019; 155:1491-1509. [PMID: 31751736 DOI: 10.1016/j.ijbiomac.2019.11.127] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2019] [Revised: 11/06/2019] [Accepted: 11/14/2019] [Indexed: 12/31/2022]
Abstract
With wide application in agriculture, copper fungicides have undergone three stages of development: inorganic copper, synthetic organic copper, and natural organic copper. Using chitin/chitosan (CS) as a substrate, the natural organic copper fungicide C-coordinated O-carboxymethyl chitosan Cu(II) complex (O-CSLn-Cu) was developed in the laboratory. Taking Phytophthora capsici Leonian as an example, we explored the antifungal mechanism of O-CSLn-Cu by combining tandem mass tag (TMT)-based proteomics with non-targeted liquid chromatography-mass spectrometry (LC-MS)-based metabolomics. A total of 1172 differentially expressed proteins were identified by proteomics analysis. According to the metabolomics analysis, 93 differentially metabolites were identified. Acetyl-CoA-related and membrane localized proteins showed significant differences in the proteomics analysis. Most of the differential expressed metabolites were distributed in the cytoplasm, followed by mitochondria. The integrated analysis revealed that O-CSLn-Cu could induce the "Warburg effect", with increased glycolysis in the cytoplasm and decreased metabolism in the mitochondria. Therefore, P. capsici Leonian had to compensate for ATP loss in the TCA cycle by increasing the glycolysis rate. However, this metabolic shift could not prevent the death of P. capsici Leonian. To verify this hypothesis, a series of biological experiments, such as scanning electron microscopy (SEM), transmission electron microscopy (TEM), and enzyme activity measurements were carried out. The results suggest that O-CSLn-Cu causes mitochondrial injury, which consequently leads to excessive ROS levels and insufficient ATP levels, thereby killing P. capsici Leonian.
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Affiliation(s)
- Yuzhen Ma
- Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Huahua Yu
- Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China.
| | - Weixiang Liu
- Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
| | - Yukun Qin
- Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
| | - Ronge Xing
- Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
| | - Pengcheng Li
- Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China.
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21
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Su M, Liu F, Luo Z, Wu H, Zhang X, Wang D, Zhu Y, Sun Z, Xu W, Miao Y. The Antibacterial Activity and Mechanism of Chlorogenic Acid Against Foodborne Pathogen Pseudomonas aeruginosa. Foodborne Pathog Dis 2019; 16:823-830. [PMID: 31483172 DOI: 10.1089/fpd.2019.2678] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Chlorogenic acid (CA), an ester of caffeic acid, is a major phenolic compound in herbs. The antimicrobial activity of CA against Pseudomonas aeruginosa P1, a foodborne pathogen, was investigated in this study. To understand how CA injured target cells, the influence of CA on cell morphology was assessed. A sunken cell surface and detachment of outer membrane components in P. aeruginosa P1 were observed after being treated by CA. Following this, the intracellular membrane permeability and the content of lipopolysaccharide (LPS), a main component of outer membrane, were determined. The release of intracellular protein and ATP from P. aeruginosa P1 indicated that CA increased intracellular membrane permeability and resulted in the leakage of intracellular materials. The uptake of propidium iodide, a compromised cell membrane nucleic acid stain, further demonstrated that CA acted on the intracellular membrane. CA resulted in the decrease of LPS contents of P. aeruginosa P1, which supported the detachment of outer membrane. CA also downregulated the expression of major genes in LPS biosynthesis, suggesting that CA may inhibit intracellular metabolism of P. aeruginosa P1 cells. Thus, CA increased the intracellular membrane permeability, induced the exfoliation of outer membrane, and disturbed the intracellular metabolism. Damage of intracellular and outer membranes as well as disruption of cell metabolism resulted in cell death eventually. The finding suggested that CA has the potential to be developed as a preservative to control P. aeruginosa-associated foodborne diseases.
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Affiliation(s)
- Mengmeng Su
- Institute of Agricultural Products Processing, Jiangsu Academy of Agricultural Sciences, Nanjing, China.,College of Agriculture and Animal Husbandry, Tibet University, Linzhi, China
| | - Fang Liu
- Institute of Agricultural Products Processing, Jiangsu Academy of Agricultural Sciences, Nanjing, China.,School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Zhang Luo
- College of Agriculture and Animal Husbandry, Tibet University, Linzhi, China
| | - Haihong Wu
- Institute of Agricultural Products Processing, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Xinxiao Zhang
- Institute of Agricultural Products Processing, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Daoying Wang
- Institute of Agricultural Products Processing, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Yongzhi Zhu
- Institute of Agricultural Products Processing, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Zhilan Sun
- Institute of Agricultural Products Processing, Jiangsu Academy of Agricultural Sciences, Nanjing, China.,Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Nanjing, China
| | - Weimin Xu
- Institute of Agricultural Products Processing, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Ying Miao
- Jiangsu PICE Service Co., Ltd, Nanjing, China
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22
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Qi D, Zou L, Zhou D, Chen Y, Gao Z, Feng R, Zhang M, Li K, Xie J, Wang W. Taxonomy and Broad-Spectrum Antifungal Activity of Streptomyces sp. SCA3-4 Isolated From Rhizosphere Soil of Opuntia stricta. Front Microbiol 2019; 10:1390. [PMID: 31316480 PMCID: PMC6609889 DOI: 10.3389/fmicb.2019.01390] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 06/03/2019] [Indexed: 11/13/2022] Open
Abstract
Actinobacteria are important producers of bioactive compounds. Extreme ecosystems cause evolution of novel secondary metabolic pathways of Actinobacteria and increase the possible discovery of new biological functions of bioactive compounds. Here, we isolated 65 Actinobacteria from rhizosphere soil samples of Opuntia stricta. An Actinobacteria strain (named SCA3-4) was screened against Fusarium oxysporum f. sp. cubense Tropical Race 4 (Foc TR4, ATCC 76255). The strain produced pink-white aerial mycelia and brown substrate mycelium on Gause No. 1 agar. Biverticillate chains of cylindrical spores were observed by scanning electron microscopy (SEM). Based on alignment of 16S rRNA sequences, a constructed phylogenetic tree showed that strain SCA3-4 shared a 99.54% similarity with Streptomyces lilacinus NRRL B-1968T. The morphological, biochemical, physiological, and molecular characteristics further indicated that strain SCA3-4 belongs to the Streptomyces sp. It can grow well on medium with the following antibiotics chloramphenicol, streptomycin, penicillin-G, gentamicin, erythromycin, nystatin or neomycin sulfate. The polymerase chain reaction (PCR) amplification of types I and II polyketide synthase genes (PKS-I and PKS-II) suggested its bioactive potential. Under treatment with 100 μg/ml of ethyl acetate extracts isolated from Streptomyces sp. SCA3-4, growth of Foc TR4 was inhibited and cell membrane was destroyed. Crude extracts also showed a broad-spectrum antifungal activity against 13 phytopathogenic fungi including Foc TR4 and displayed the lowest minimum inhibitory concentration (MIC) (0.781 μg/ml) against Colletotrichum fragariae (ATCC 58718). A total of 21 different compounds identified by gas chromatography-mass spectrometry (GC-MS) were composed of phenolic compound, pyrrolizidine, hydrocarbons, esters, and acids. Besides the known active compounds, Streptomyces sp. SCA3-4 possesses antimicrobial or other biological activities. Further attention will be paid on other compounds with no functional annotation, aiming at the discovery of new bioactive substances.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Jianghui Xie
- Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou, China
| | - Wei Wang
- Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou, China
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23
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Masum MMI, Siddiqa MM, Ali KA, Zhang Y, Abdallah Y, Ibrahim E, Qiu W, Yan C, Li B. Biogenic Synthesis of Silver Nanoparticles Using Phyllanthus emblica Fruit Extract and Its Inhibitory Action Against the Pathogen Acidovorax oryzae Strain RS-2 of Rice Bacterial Brown Stripe. Front Microbiol 2019; 10:820. [PMID: 31110495 PMCID: PMC6501729 DOI: 10.3389/fmicb.2019.00820] [Citation(s) in RCA: 119] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2019] [Accepted: 04/01/2019] [Indexed: 12/05/2022] Open
Abstract
Biogenic synthesis of silver nanoparticles (AgNPs) using plants has become a promising substitute to the conventional chemical synthesis method. In this study, we report low-cost, green synthesis of AgNPs using fresh fruit extract of Phyllanthus emblica. The biosynthesized AgNPs was confirmed and characterized by analysis of spectroscopy profile of the UV-visible and Energy dispersive spectrophotometer, Fourier transform infrared, X-ray diffraction pattern, and electron microscopy images examination. UV-visible spectra showed a surface resonance peak of 430 nm corresponding to the formation of AgNPs, and FTIR spectra confirmed the involvement of biological molecules in AgNPs synthesis. In spherical AgNPs, the particle size ranged from 19.8 to 92.8 nm and the average diameter was 39 nm. Synthesized nanoparticles at 20 μg/ml showed remarkable antimicrobial activity in vitro against the pathogen Acidovorax oryzae strain RS-2 of rice bacterial brown stripe, while 62.41% reduction in OD600 value was observed compared to the control. Moreover, the inhibitory efficiency of AgNPs increased with the increase of incubation time. Furthermore, AgNPs not only disturbed biofilm formation and swarming ability but also increased the secretion of effector Hcp in strain RS-2, resulting from damage to the cell membrane, which was substantiated by TEM images and live/dead cell staining result. Overall, this study suggested that AgNPs can be an attractive and eco-friendly candidate to control rice bacterial disease.
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Affiliation(s)
- Md. Mahidul Islam Masum
- State Key Laboratory of Rice Biology and Key Lab of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, China
- Department of Plant Pathology, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh
| | | | - Khattak Arif Ali
- State Key Laboratory of Rice Biology and Key Lab of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, China
| | - Yang Zhang
- State Key Laboratory of Rice Biology and Key Lab of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, China
| | - Yasmine Abdallah
- State Key Laboratory of Rice Biology and Key Lab of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, China
| | - Ezzeldin Ibrahim
- State Key Laboratory of Rice Biology and Key Lab of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, China
| | - Wen Qiu
- State Key Laboratory of Rice Biology and Key Lab of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, China
| | - Chenqi Yan
- Institute of Biotechnology, Ningbo Academy of Agricultural Sciences, Ningbo, China
| | - Bin Li
- State Key Laboratory of Rice Biology and Key Lab of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, China
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Environmental interactions are regulated by temperature in Burkholderia seminalis TC3.4.2R3. Sci Rep 2019; 9:5486. [PMID: 30940839 PMCID: PMC6445077 DOI: 10.1038/s41598-019-41778-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 03/12/2019] [Indexed: 11/08/2022] Open
Abstract
Burkholderia seminalis strain TC3.4.2R3 is an endophytic bacterium isolated from sugarcane roots that produces antimicrobial compounds, facilitating its ability to act as a biocontrol agent against phytopathogenic bacteria. In this study, we investigated the thermoregulation of B. seminalis TC3.4.2R3 at 28 °C (environmental stimulus) and 37 °C (host-associated stimulus) at the transcriptional and phenotypic levels. The production of biofilms and exopolysaccharides such as capsular polysaccharides and the biocontrol of phytopathogenic fungi were enhanced at 28 °C. At 37 °C, several metabolic pathways were activated, particularly those implicated in energy production, stress responses and the biosynthesis of transporters. Motility, growth and virulence in the Galleria mellonella larvae infection model were more significant at 37 °C. Our data suggest that the regulation of capsule expression could be important in virulence against G. mellonella larvae at 37 °C. In contrast, B. seminalis TC3.4.2R3 failed to cause death in infected BALB/c mice, even at an infective dose of 107 CFU.mL-1. We conclude that temperature drives the regulation of gene expression in B. seminalis during its interactions with the environment.
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25
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Modification of Chitosan for the Generation of Functional Derivatives. APPLIED SCIENCES-BASEL 2019. [DOI: 10.3390/app9071321] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Today, chitosan (CS) is probably considered as a biofunctional polysaccharide with the most notable growth and potential for applications in various fields. The progress in chitin chemistry and the need to replace additives and non-natural polymers with functional natural-based polymers have opened many new opportunities for CS and its derivatives. Thanks to the specific reactive groups of CS and easy chemical modifications, a wide range of physico-chemical and biological properties can be obtained from this ubiquitous polysaccharide that is composed of β-(1,4)-2-acetamido-2-deoxy-d-glucose repeating units. This review is presented to share insights into multiple native/modified CSs and chitooligosaccharides (COS) associated with their functional properties. An overview will be given on bioadhesive applications, antimicrobial activities, adsorption, and chelation in the wine industry, as well as developments in medical fields or biodegradability.
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26
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Ding WY, Zheng SD, Qin Y, Yu F, Bai JW, Cui WQ, Yu T, Chen XR, Bello-Onaghise G, Li YH. Chitosan Grafted With β-Cyclodextrin: Synthesis, Characterization, Antimicrobial Activity, and Role as Absorbefacient and Solubilizer. Front Chem 2019; 6:657. [PMID: 30687698 PMCID: PMC6335354 DOI: 10.3389/fchem.2018.00657] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Accepted: 12/18/2018] [Indexed: 11/13/2022] Open
Abstract
We synthesized chitosan grafted with β-cyclodextrin (CD-g-CS) from mono-6-deoxy-6-(p-toluenesulfonyl)-β-cyclodextrin and chitosan. Two different amounts of immobilized β-cyclodextrin (β-CD) on CD-g-CS (QCD: 0.643 × 103 and 0.6 × 102 μmol/g) were investigated. The results showed that the amino contents of CD-g-CS with QCD = 0.643 × 103 and 0.6 × 102 μmol/g were 6.34 ± 0.072 and 9.41 ± 0.055%, respectively. Agar diffusion bioassay revealed that CD-g-CS (QCD = 0.6 × 102 μmol/g) was more active against Staphylococcus xylosus and Escherichia coli than CD-g-CS (QCD = 0.643 × 103 μmol/g). Cell membrane integrity tests and scanning electron microscopy observation revealed that the antimicrobial activity of CD-g-CS was attributed to membrane disruption and cell lysis. Uptake tests showed that CD-g-CS promoted the uptake of doxorubicin hydrochloride by S. xylosus, particularly for CD-g-CS with QCD = 0.6 × 102 μmol/g, and the effect was concentration dependent. CD-g-CS (QCD = 0.6 × 102 and 0.643 × 103 μmol/g) also improved the aqueous solubilities of sulfadiazine, sulfamonomethoxine, and sulfamethoxazole. These findings provide a clear understanding of CD-g-CS and are of great importance for reducing the dosage of antibiotics and antibiotic residues in animal-derived foods. The results also provide a reliable, direct, and scientific theoretical basis for its wide application in the livestock industry.
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Affiliation(s)
- Wen-Ya Ding
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China.,Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Harbin, China.,Northeastern Science Inspection Station, China Ministry of Agriculture Key Laboratory of Animal Pathogen Biology, Northeast Agricultural University, Harbin, China
| | - Si-Di Zheng
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China.,Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Harbin, China
| | - Yue Qin
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China.,Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Harbin, China
| | - Fei Yu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China.,Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Harbin, China
| | - Jing-Wen Bai
- College of Science, Northeast Agricultural University, Harbin, China
| | - Wen-Qiang Cui
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China.,Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Harbin, China
| | - Tao Yu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China.,Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Harbin, China
| | - Xing-Ru Chen
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China.,Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Harbin, China
| | - God'spower Bello-Onaghise
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China.,Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Harbin, China
| | - Yan-Hua Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China.,Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Harbin, China
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Simultaneous removal of hexavalent chromium and o-dichlorobenzene by isolated Serratia marcescens ZD-9. Biodegradation 2018; 29:605-616. [DOI: 10.1007/s10532-018-9856-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Accepted: 09/19/2018] [Indexed: 10/28/2022]
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Class III bacteriocin Helveticin-M causes sublethal damage on target cells through impairment of cell wall and membrane. ACTA ACUST UNITED AC 2018; 45:213-227. [DOI: 10.1007/s10295-018-2008-6] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Accepted: 01/09/2018] [Indexed: 01/10/2023]
Abstract
Abstract
Helveticin-M, a novel Class III bacteriocin produced by Lactobacillus crispatus exhibited an antimicrobial activity against Staphylococcus aureus, S. saprophyticus, and Enterobacter cloacae. To understand how Helveticin-M injured target cells, Helveticin-M was cloned and heterologously expressed in Escherichia coli. Subsequently, the cell wall organization and cell membrane integrity of target cells were determined. The mechanism of cellular damage differed according to bacterial species. Based on morphology analysis, Helveticin-M disrupted the cell wall of Gram-positive bacteria and disorganized the outer membrane of Gram-negative bacteria, therefore, altering surface structure. Helveticin-M also disrupted the inner membrane, as confirmed by leakage of intracellular ATP from cells and depolarization of membrane potential of target bacteria. Based on cell population analysis, Helveticin-M treatment caused the increase of cell membrane permeability, but the cytosolic enzymes were not influenced, indicating that it was the sublethal injury. Therefore, the mode of Helveticin-M action is bacteriostatic rather than bactericidal.
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Al-Dhabaan FA, Mostafa M, Almoammar H, Abd-Elsalam KA. Chitosan-Based Nanostructures in Plant Protection Applications. NANOTECHNOLOGY IN THE LIFE SCIENCES 2018:351-384. [DOI: 10.1007/978-3-319-91161-8_13] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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30
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Bano I, Ghauri MA, Arshad M, Yasin T, Younus M. Bioactivity of Variant Molecular Weight Chitosan Against Drug-Resistant Bacteria Isolated from Human Wounds. Microb Drug Resist 2017; 23:958-965. [DOI: 10.1089/mdr.2016.0211] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Ijaz Bano
- Jhang-Campus, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Muhammad Afzal Ghauri
- Industrial Biotechnology Division, National Institute for Biotechnology and Genetic Engineering, Faisalabad, Pakistan
| | - Muhammad Arshad
- Jhang-Campus, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Tariq Yasin
- Department of Metallurgy and Materials Engineering, Pakistan Institute of Engineering and Applied Sciences, Islamabad, Pakistan
| | - Muhammad Younus
- Jhang-Campus, University of Veterinary and Animal Sciences, Lahore, Pakistan
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Kamjumphol W, Chareonsudjai P, Chareonsudjai S. Antibacterial activity of chitosan against Burkholderia pseudomallei. Microbiologyopen 2017; 7. [PMID: 29178614 PMCID: PMC5822341 DOI: 10.1002/mbo3.534] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2017] [Accepted: 08/11/2017] [Indexed: 12/16/2022] Open
Abstract
The ability of Burkholderia pseudomallei to persist and survive in the environment is a health problem worldwide. Therefore, the antibacterial activities of chitosan against four environmental isolates of B. pseudomallei from soil in Khon Kaen, Thailand, were investigated. Antibacterial activities were assessed by a plate count technique after treatment with 0.2, 0.5, 1, 2 or 5 mg ml−1 chitosan for 0, 24 and 48 hr. Chitosan at 5 mg ml−1 completely killed all four B. pseudomallei isolates within 24 hr, whilst 2 mg ml−1 chitosan lowered the viability of B. pseudomallei by 20% within the same time span. Chitosan may act by disruption of the cell membrane, releasing intracellular components that can be detected spectrophotometrically at 260 and 280 nm. Transmission electron microscopy inspection of chitosan‐treated B. pseudomallei revealed damage to the bacterial membranes. This study demonstrated the effective antibacterial activity by chitosan against B. pseudomallei. Chitosan causes disruption of the bacterial cell membrane, release of intracellular constituents and cell death. This study revealed the inhibitory potential of chitosan for mitigating B. pseudomallei occurrences.
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Affiliation(s)
- Watcharaporn Kamjumphol
- Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand.,Melioidosis Research Center, Khon Kaen University, Khon Kaen, Thailand
| | - Pisit Chareonsudjai
- Melioidosis Research Center, Khon Kaen University, Khon Kaen, Thailand.,Department of Environmental Science, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand.,Biofilm Research Group, Khon Kaen University, Khon Kaen, Thailand
| | - Sorujsiri Chareonsudjai
- Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand.,Melioidosis Research Center, Khon Kaen University, Khon Kaen, Thailand.,Biofilm Research Group, Khon Kaen University, Khon Kaen, Thailand
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Ultrastrong composite film of Chitosan and silica-coated graphene oxide sheets. Int J Biol Macromol 2017; 104:936-943. [DOI: 10.1016/j.ijbiomac.2017.07.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Revised: 06/20/2017] [Accepted: 07/02/2017] [Indexed: 11/22/2022]
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33
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Sarvestani M, Azadi R. Buchwald-Hartwig amination reaction of aryl halides using heterogeneous catalyst based on Pd nanoparticles decorated on chitosan functionalized graphene oxide. Appl Organomet Chem 2017. [DOI: 10.1002/aoc.3906] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Mosayeb Sarvestani
- Chemistry Department, College of Science; Shahid Chamran University of Ahvaz; Ahvaz 61357-43169 Iran
| | - Roya Azadi
- Chemistry Department, College of Science; Shahid Chamran University of Ahvaz; Ahvaz 61357-43169 Iran
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Arkoun M, Daigle F, Heuzey MC, Ajji A. Mechanism of Action of Electrospun Chitosan-Based Nanofibers against Meat Spoilage and Pathogenic Bacteria. Molecules 2017; 22:E585. [PMID: 28383516 PMCID: PMC6154008 DOI: 10.3390/molecules22040585] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2017] [Revised: 03/27/2017] [Accepted: 03/28/2017] [Indexed: 02/07/2023] Open
Abstract
This study investigates the antibacterial mechanism of action of electrospun chitosan-based nanofibers (CNFs), against Escherichia coli, Salmonella enterica serovar Typhimurium, Staphylococcus aureus and Listeria innocua, bacteria frequently involved in food contamination and spoilage. CNFs were prepared by electrospinning of chitosan and poly(ethylene oxide) (PEO) blends. The in vitro antibacterial activity of CNFs was evaluated and the susceptibility/resistance of the selected bacteria toward CNFs was examined. Strain susceptibility was evaluated in terms of bacterial type, cell surface hydrophobicity, and charge density, as well as pathogenicity. The efficiency of CNFs on the preservation and shelf life extension of fresh red meat was also assessed. Our results demonstrate that the antibacterial action of CNFs depends on the protonation of their amino groups, regardless of bacterial type and their mechanism of action was bactericidal rather than bacteriostatic. Results also indicate that bacterial susceptibility was not Gram-dependent but strain-dependent, with non-virulent bacteria showing higher susceptibility at a reduction rate of 99.9%. The susceptibility order was: E. coli > L. innocua > S. aureus > S. Typhimurium. Finally, an extension of one week of the shelf life of fresh meat was successfully achieved. These results are promising and of great utility for the potential use of CNFs as bioactive food packaging materials in the food industry, and more specifically in meat quality preservation.
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Affiliation(s)
- Mounia Arkoun
- CREPEC Department of Chemical Engineering, École Polytechnique de Montréal, P.O. Box 6079, Station Centre-Ville, Montréal, QC H3C 3A7, Canada.
| | - France Daigle
- Department of Microbiology, Infectiology and Immunology, Pavillon Roger-Gaudry, Université de Montréal, C.P. 6128, Centre-ville, Montréal, QC H3C 3J7, Canada.
| | - Marie-Claude Heuzey
- CREPEC Department of Chemical Engineering, École Polytechnique de Montréal, P.O. Box 6079, Station Centre-Ville, Montréal, QC H3C 3A7, Canada.
| | - Abdellah Ajji
- CREPEC Department of Chemical Engineering, École Polytechnique de Montréal, P.O. Box 6079, Station Centre-Ville, Montréal, QC H3C 3A7, Canada.
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Lan Y, Wang L, Cao S, Zhong Y, Li Y, Cao Y, Zhao L. Rational design of food-grade polyelectrolyte complex coacervate for encapsulation and enhanced oral delivery of oenothein B. Food Funct 2017; 8:4070-4080. [DOI: 10.1039/c7fo01009e] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Controlled release of OeB through GI tract using CPP–CS nanoparticles cross-linked with genipin was achievable.
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Affiliation(s)
- Yaqi Lan
- College of Food Science
- South China Agricultural University
- Guangzhou
- PR China
| | - Li Wang
- College of Food Science
- South China Agricultural University
- Guangzhou
- PR China
| | - Sufang Cao
- College of Food Science
- South China Agricultural University
- Guangzhou
- PR China
| | - Yinger Zhong
- College of Food Science
- South China Agricultural University
- Guangzhou
- PR China
| | - Yunqi Li
- Key Laboratory of Synthetic Rubber & Laboratory of Advanced Power Sources
- Changchun Institute of Applied Chemistry (CIAC)
- Chinese Academy of Sciences
- Changchun
- PR China
| | - Yong Cao
- College of Food Science
- South China Agricultural University
- Guangzhou
- PR China
| | - Lichao Zhao
- College of Food Science
- South China Agricultural University
- Guangzhou
- PR China
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37
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Li B, Zhang Y, Yang Y, Qiu W, Wang X, Liu B, Wang Y, Sun G. Synthesis, characterization, and antibacterial activity of chitosan/TiO 2 nanocomposite against Xanthomonas oryzae pv. oryzae. Carbohydr Polym 2016; 152:825-831. [DOI: 10.1016/j.carbpol.2016.07.070] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2016] [Revised: 07/17/2016] [Accepted: 07/17/2016] [Indexed: 11/17/2022]
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38
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He G, Zhu C, Ye S, Cai W, Yin Y, Zheng H, Yi Y. Preparation and properties of novel hydrogel based on chitosan modified by poly(amidoamine) dendrimer. Int J Biol Macromol 2016; 91:828-37. [DOI: 10.1016/j.ijbiomac.2016.05.091] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Revised: 05/24/2016] [Accepted: 05/25/2016] [Indexed: 12/17/2022]
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39
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Abdel-Rahman RM, Abdel-Mohsen A, Hrdina R, Burgert L, Fohlerova Z, Pavliňák D, Sayed O, Jancar J. Wound dressing based on chitosan/hyaluronan/nonwoven fabrics: Preparation, characterization and medical applications. Int J Biol Macromol 2016; 89:725-36. [DOI: 10.1016/j.ijbiomac.2016.04.087] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2016] [Revised: 04/28/2016] [Accepted: 04/30/2016] [Indexed: 11/25/2022]
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40
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Naing NN, Li SFY, Lee HK. Micro-solid phase extraction followed by thermal extraction coupled with gas chromatography-mass selective detector for the determination of polybrominated diphenyl ethers in water. J Chromatogr A 2016; 1458:25-34. [DOI: 10.1016/j.chroma.2016.06.056] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Revised: 06/16/2016] [Accepted: 06/16/2016] [Indexed: 11/29/2022]
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41
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Dong Q, Luo J, Qiu W, Cai L, Anjum SI, Li B, Hou M, Xie G, Sun G. Inhibitory Effect of Camptothecin against Rice Bacterial Brown Stripe Pathogen Acidovorax avenae subsp. avenae RS-2. Molecules 2016; 21:molecules21080978. [PMID: 27472315 PMCID: PMC6274382 DOI: 10.3390/molecules21080978] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2016] [Revised: 07/19/2016] [Accepted: 07/25/2016] [Indexed: 12/28/2022] Open
Abstract
Camptothecin (CPT) has anticancer, antiviral, and antifungal properties. However, there is a dearth of information about antibacterial activity of CPT. Therefore, in this study, we investigated the inhibitory effect of CPT on Acidovorax avenae subsp. avenae strain RS-2, the pathogen of rice bacterial brown stripe, by measuring cell growth, DNA damage, cell membrane integrity, the expression of secretion systems, and topoisomerase-related genes, as well as the secretion of effector protein Hcp. Results indicated that CPT solutions at 0.05, 0.25, and 0.50 mg/mL inhibited the growth of strain RS-2 in vitro, while the inhibitory efficiency increased with an increase in CPT concentration, pH, and incubation time. Furthermore, CPT treatment affected bacterial growth and replication by causing membrane damage, which was evidenced by transmission electron microscopic observation and live/dead cell staining. In addition, quantitative real-time PCR analysis indicated that CPT treatment caused differential expression of eight secretion system-related genes and one topoisomerase-related gene, while the up-regulated expression of hcp could be justified by the increased secretion of Hcp based on the ELISA test. Overall, this study indicated that CPT has the potential to control the bacterial brown stripe pathogen of rice.
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Affiliation(s)
- Qiaolin Dong
- College of Plant Science & Technology, Huazhong Agricultural University, Wuhan 430070, China.
| | - Ju Luo
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou 310006, China.
| | - Wen Qiu
- State Key Laboratory of Rice Biology, Institute of Biotechnology, Zhejiang University, Hangzhou 310029, China.
| | - Li Cai
- College of Plant Science & Technology, Huazhong Agricultural University, Wuhan 430070, China.
| | - Syed Ishtiaq Anjum
- State Key Laboratory of Rice Biology, Institute of Biotechnology, Zhejiang University, Hangzhou 310029, China.
- Department of Zoology Kohat University of Science and Technology Kohat, Khyber Pakhtunkhwa 26000, Pakistan.
| | - Bin Li
- State Key Laboratory of Rice Biology, Institute of Biotechnology, Zhejiang University, Hangzhou 310029, China.
| | - Mingsheng Hou
- College of Plant Science & Technology, Huazhong Agricultural University, Wuhan 430070, China.
| | - Guanlin Xie
- State Key Laboratory of Rice Biology, Institute of Biotechnology, Zhejiang University, Hangzhou 310029, China.
| | - Guochang Sun
- State Key Laboratory Breeding Base for Zhejiang Sustainable Pest and Disease Control, Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China.
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42
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Chitosan-Based Coating with Antimicrobial Agents: Preparation, Property, Mechanism, and Application Effectiveness on Fruits and Vegetables. INT J POLYM SCI 2016. [DOI: 10.1155/2016/4851730] [Citation(s) in RCA: 73] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Chitosan coating is beneficial to maintaining the storage quality and prolonging the shelf life of postharvest fruits and vegetables, which is always used as the carrier film for the antimicrobial agents. This review focuses on the preparation, property, mechanism, and application effectiveness on the fruits and vegetables of chitosan-based coating with antimicrobial agents. Chitosan, derived by deacetylation of chitin, is a modified and natural biopolymer as the coating material. In this article, the safety and biocompatible and antimicrobial properties of chitosan were introduced because these attributes are very important for its application. The methods to prepare the chitosan-based coating with antimicrobial agents, such as essential oils, acid, and nanoparticles, were developed by other researchers. Meanwhile, the application of chitosan-based coating is mainly due to its antimicrobial activity and other functional properties, which were investigated, introduced, and analyzed in this review. Furthermore, the surface and mechanical properties were also investigated by researchers and concluded in this article. Finally, the effects of chitosan-based coating on the storage quality, microbial safety, and shelf life of fruits and vegetables were introduced. Their results indicated that chitosan-based coating with different antimicrobial agents would probably have wide prospect in the preservation of fruits and vegetables in the future.
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43
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Ma C, Pei H, Hu W, Xu H, Jin Y. The lysis and regrowth of toxic cyanobacteria during storage of achitosan–aluminium chloride composite coagulated sludge: implications for drinking water sludge treatment. RSC Adv 2016. [DOI: 10.1039/c6ra24635d] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Coagulation is a key unit operation for cyanobacterial cell removal; however, the potential danger of cyanobacterial cells transferred into sludge is not well understood.
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Affiliation(s)
- Chunxia Ma
- School of Environmental Science and Engineering
- Shandong University
- Jinan 250100
- China
| | - Haiyan Pei
- School of Environmental Science and Engineering
- Shandong University
- Jinan 250100
- China
- Shandong Provincial Engineering Center on Environmental Science and Technology
| | - Wenrong Hu
- School of Environmental Science and Engineering
- Shandong University
- Jinan 250100
- China
- Shandong Provincial Engineering Center on Environmental Science and Technology
| | - Hangzhou Xu
- School of Environmental Science and Engineering
- Shandong University
- Jinan 250100
- China
| | - Yan Jin
- School of Environmental Science and Engineering
- Shandong University
- Jinan 250100
- China
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Non-Conventional Tools to Preserve and Prolong the Quality of Minimally-Processed Fruits and Vegetables. COATINGS 2015. [DOI: 10.3390/coatings5040931] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The main topic of this paper is a focus on some non-conventional tools to preserve the microbiological and physico-chemical quality of fresh-cut fruits and vegetables. The quality of fresh-cut foods is the result of a complex equilibrium involving surface microbiota, storage temperature, gas in the headspace and the use of antimicrobials. This paper proposes a short overview of some non-conventional approaches able to preserve the quality of this kind of product, with a special focus on some new ways, as follows: (1) use of edible or antimicrobial-containing coatings (e.g., chitosan-based coatings) on fruits or vegetables; (2) alternative modified atmospheres (e.g., high O2-modified atmosphere packaging (MAP)) or the use of essential oils in the headspace; (3) conditioning solutions with antimicrobials or natural compounds for fruit salad; and (4) biopreservation and use of a probiotic coating.
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Kashyap PL, Xiang X, Heiden P. Chitosan nanoparticle based delivery systems for sustainable agriculture. Int J Biol Macromol 2015; 77:36-51. [DOI: 10.1016/j.ijbiomac.2015.02.039] [Citation(s) in RCA: 252] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2014] [Revised: 02/03/2015] [Accepted: 02/16/2015] [Indexed: 12/20/2022]
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46
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Iahtisham-Ul-Haq, Butt MS, Suleria HAR, Ahmed W. Physicochemical Behavior of Zinc-Fortified, Sodium Caseinate-Based, Edible-Coated Apricots during Storage in Controlled Atmosphere. J FOOD PROCESS PRES 2015. [DOI: 10.1111/jfpp.12493] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Iahtisham-Ul-Haq
- National Institute of Food Science and Technology; University of Agriculture; Faisalabad Pakistan
| | - Masood Sadiq Butt
- National Institute of Food Science and Technology; University of Agriculture; Faisalabad Pakistan
| | | | - Waqas Ahmed
- National Institute of Food Science and Technology; University of Agriculture; Faisalabad Pakistan
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47
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Nomanbhay SM, Hussain R. Immobilization of Escherichia coli Mutant Strain for Efficient Production of
Bioethanol from Crude Glycerol. ACTA ACUST UNITED AC 2015. [DOI: 10.3923/jas.2015.415.430] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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48
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Pedro HSDS, Francinalva DDM, Martina GDOP, Julio CQ, Rayanne IMDS, Patricia MB, Daniela PDM, Pollianna MA, Ana CDDM. Antimicrobial potential of chitosan. ACTA ACUST UNITED AC 2015. [DOI: 10.5897/ajmr2014.7235] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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49
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Deng CH, Gong JL, Zeng GM, Niu CG, Niu QY, Zhang W, Liu HY. Inactivation performance and mechanism of Escherichia coli in aqueous system exposed to iron oxide loaded graphene nanocomposites. JOURNAL OF HAZARDOUS MATERIALS 2014; 276:66-76. [PMID: 24862470 DOI: 10.1016/j.jhazmat.2014.05.011] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2014] [Revised: 05/04/2014] [Accepted: 05/05/2014] [Indexed: 06/03/2023]
Abstract
The challenge to achieve efficient disinfection and microbial control without harmful disinfection byproducts calls for developing new technologies. Magnetic-graphene oxide (M-GO) with magnetic iron oxide nanoparticles well dispersed on graphene oxide (GO) nanosheets exerted excellent antibacterial activity against Escherichia coli. The antibacterial performance of M-GO was dependent on the concentration and the component mass ratio of M/GO. The synergetic antibacterial effect of M-GO was observed with M/GO mass ratio of 9.09. TEM images illustrated the interaction between E. coli cells and M-GO nanocomposites. M-GO nanomaterials were possible to deposit on or penetrate into cells leading to leakage of intercellular contents and loss of cell integrity. The inactivation mechanism of E. coli by M-GO was supposed to result from both the membrane stress and oxidation stress during the incubation period. M-GO with excellent antibacterial efficiency against E. coli and separation-convenient property from water could be potent bactericidal nanomaterials for water disinfection.
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Affiliation(s)
- Can-Hui Deng
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha 410082, PR China
| | - Ji-Lai Gong
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha 410082, PR China.
| | - Guang-Ming Zeng
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha 410082, PR China
| | - Cheng-Gang Niu
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha 410082, PR China
| | - Qiu-Ya Niu
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha 410082, PR China
| | - Wei Zhang
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha 410082, PR China
| | - Hong-Yu Liu
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha 410082, PR China
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50
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Inhibitory effect and mode of action of chitosan solution against rice bacterial brown stripe pathogen Acidovorax avenae subsp. avenae RS-1. Carbohydr Res 2014; 391:48-54. [DOI: 10.1016/j.carres.2014.02.025] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2014] [Revised: 02/18/2014] [Accepted: 02/22/2014] [Indexed: 11/20/2022]
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