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Gao C, Lu S, Wang Y, Xu H, Gao X, Gu Y, Xuan H, Wang B, Yuan H, Cao Y. Bismuth Vanadium Oxide Can Promote Growth and Activity in Arabidopsis thaliana. Front Chem 2021; 9:766078. [PMID: 34858942 PMCID: PMC8632446 DOI: 10.3389/fchem.2021.766078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2021] [Accepted: 09/30/2021] [Indexed: 11/23/2022] Open
Abstract
The excellent properties of nanomaterials have been confirmed in many fields, but their effects on plants are still unclear. In this study, different concentrations of bismuth vanadate (BV) were added to the growth medium to analyze the growth of seedlings, including taproots, lateral roots, leaf stomata, root activity, and superoxide anion O2.- generation. Gene expression levels related to root growth were determined by quantitative PCR in Arabidopsis thaliana. The results showed that BV promoted the growth of taproots and the development of lateral roots, enhanced the length of the extension zone in roots, increased the number and size of leaf stomata and root activity, reduced the accumulation of ROS in seedlings, and changed the expression levels of genes related to polyamines or hormones. At the same time, we investigated the antibacterial activity of BV against a variety of common pathogens causing crop diseases. The results showed that BV could effectively inhibit the growth of Fusarium wilt of cotton and rice sheath blight. These results provide a new prospect for the development of nanomaterial-assisted plants, which is expected to become one of the ways to solve the problem of controlling and promoting the development of plants. At the same time, it also provides a reference for the study of the effect of BV on plants.
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Affiliation(s)
- Cong Gao
- School of Life Sciences, Nantong University, Nantong, China
| | - Shuai Lu
- School of Life Sciences, Nantong University, Nantong, China
| | - Yongzhou Wang
- School of Life Sciences, Nantong University, Nantong, China
| | - Hao Xu
- School of Life Sciences, Nantong University, Nantong, China
| | - Xiaoxiao Gao
- School of Life Sciences, Nantong University, Nantong, China
| | - Yiwen Gu
- School of Life Sciences, Nantong University, Nantong, China
| | - Hongyun Xuan
- School of Life Sciences, Nantong University, Nantong, China
| | - Baohua Wang
- School of Life Sciences, Nantong University, Nantong, China
| | - Huihua Yuan
- School of Life Sciences, Nantong University, Nantong, China
| | - Yunying Cao
- School of Life Sciences, Nantong University, Nantong, China
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Liu H, Dai L, Wang F, Li X, Liu W, Pan B, Wang C, Zhang D, Deng J, Li Z. A new understanding: Gene expression, cell characteristic and antioxidant enzymes of Zygosaccharomyces rouxii under the D-fructose regulation. Enzyme Microb Technol 2019; 132:109409. [PMID: 31731962 DOI: 10.1016/j.enzmictec.2019.109409] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 08/11/2019] [Accepted: 08/14/2019] [Indexed: 11/17/2022]
Abstract
Zygosaccharomyces rouxii is a well-known salt-tolerant yeast. In our previous study, it was interesting that Z. rouxii could produce higher levels of 4-hydroxy-2, 5-dimethyl-3(2 H)-furanone in 120 g/L D-fructose and 180 g/L NaCl involved YPD medium at 5 d. In order to explore the resistance and furanone production mechanisms of Z. rouxii under D-fructose regulation, a comparative transcriptomics method in Z. rouxii was to set to find differentially expressed genes, the physiological and biochemical indexes (growth and cell morphology, lipid peroxidation and relative electrical conductivity, the antioxidant enzymes activity), and the expression of oxidoreductase activity genes. The results indicated that a larger number of different expressed genes at transcriptome analysis, such as the series antioxidant enzymes were related to the resistance characteristics. Research had confirmed that the living cell numbers and cell areas of D-fructose regulation group were significantly lower than the controls at the initial stage, while those higher than of the controls at the late stage. During the fermentation period, the lipid peroxidation and the relative electrical conductivity of the yeast cell membrane were increased. And also the D-fructose regulation group present lower inhibition superoxide anion ability. The activity of CAT in the D-fructose regulation group was always higher than that of the control group. Only the activity of GSH-Px was found to be significantly increased at 1 d except for other enzymes activities. Most of the oxidoreductase activity genes, such as especially the GSH-Px gene under D-fructose regulation conditions were expressed at higher levels than those of control groups. Combining the levels of transcription and enzymes activity data, those could understand that exogenous D-fructose had a stress effect on Z. rouxii at the early stage of culture. With the fermentation time progress, it was no longer a stressor substance for the Z. rouxii, and changed the nutrient to promote growth of Z. rouxii in the later stages. During the whole process, GSH-Px was the main defense enzyme and CAT was the sustained defense enzyme. Therefore, the experimental results might provide effective mechanisms in Z. rouxii for practical application of furanone production in the industry under exogenous D-fructose regulation.
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Affiliation(s)
- Hong Liu
- Department of Food and Engineering, College of Food, Heilongjiang Bayi Agricultural University, Heilongjiang, Daqing, 163319, China
| | - Lingyan Dai
- Department of Bioscience, College of Science and Biotechnology, Heilongjiang Bayi Agricultural University, Heilongjiang, Daqing, 163319, China.
| | - Fanyu Wang
- Department of Food and Engineering, College of Food, Heilongjiang Bayi Agricultural University, Heilongjiang, Daqing, 163319, China
| | - Xin Li
- Department of Food and Engineering, College of Food, Heilongjiang Bayi Agricultural University, Heilongjiang, Daqing, 163319, China
| | - Wei Liu
- Department of Food and Engineering, College of Food, Heilongjiang Bayi Agricultural University, Heilongjiang, Daqing, 163319, China
| | - Bailing Pan
- Department of Food and Engineering, College of Food, Heilongjiang Bayi Agricultural University, Heilongjiang, Daqing, 163319, China
| | - Chengtao Wang
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU), Beijing, 100048, China
| | - Dongjie Zhang
- Department of Food and Engineering, College of Food, Heilongjiang Bayi Agricultural University, Heilongjiang, Daqing, 163319, China.
| | - Jingzhi Deng
- Department of Food and Engineering, College of Food, Heilongjiang Bayi Agricultural University, Heilongjiang, Daqing, 163319, China
| | - Zhijiang Li
- Department of Food and Engineering, College of Food, Heilongjiang Bayi Agricultural University, Heilongjiang, Daqing, 163319, China.
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de Nova PJG, Carvajal A, Prieto M, Rubio P. In vitro Susceptibility and Evaluation of Techniques for Understanding the Mode of Action of a Promising Non-antibiotic Citrus Fruit Extract Against Several Pathogens. Front Microbiol 2019; 10:884. [PMID: 31105673 PMCID: PMC6491944 DOI: 10.3389/fmicb.2019.00884] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 04/05/2019] [Indexed: 12/17/2022] Open
Abstract
The screening for alternatives to antibiotics is an urgent need for the pharmaceutical industry. One of these alternatives seems to be the citrus fruit extracts, which are showing a significant antibacterial activity against Gram-negative and Gram-positive bacteria. One of these citrus extracts, named BIOCITRO®, is assessed in this study to elucidate its bacteriostatic and bactericidal effect and its mode of action on the important pathogens Campylobacter coli, C. jejuni, Escherichia coli, Salmonella enterica ssp. enterica, Clostridium difficile, C. perfringens, and Staphylococcus aureus. For most of the strains tested of these bacteria the product was bactericidal as well as bacteriostatic at the same concentration, and the minimum bactericidal concentrations ranged from 16 to 256 μg/mL. Regarding the mode of action, important changes in the permeability, structure, composition and morphology of the bacterial envelope were evidenced using flow cytometry, Fourier transform infrared spectroscopy and scanning electron microscopy. The main effect of the product was found over carbohydrates and polysaccharides, inducing the release of microvesicles by the cells in addition to other specific effects. During the study, the techniques used were evaluated to clarify their contribution to the knowledge of the mode of action of the product. The survival test elucidated whether the modifications displayed using other techniques affected the viability of the cells or on the contrary, the cells remained viable even with evident changes in their structure, composition or morphology. Flow cytometry showed that for some strains the proportion of cells detected with altered membrane permeability were higher than the number of non-viable cells, and therefore the damage did not affect the viability of some cells. On the contrary, some cells observed using scanning electron microscopy with no apparent damage, were demonstrated non-viable using the survival test, making this technique indispensable in studies of the mode of action of antimicrobials to make a correct interpretation of the data from other techniques.
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Affiliation(s)
- Pedro J. G. de Nova
- Department of Animal Health, Faculty of Veterinary, Universidad de León, León, Spain
| | - Ana Carvajal
- Department of Animal Health, Faculty of Veterinary, Universidad de León, León, Spain
| | - Miguel Prieto
- Institute of Food Science and Technology, Universidad de León, León, Spain
- Department of Food Hygiene and Technology, Faculty of Veterinary, Universidad de León, León, Spain
| | - Pedro Rubio
- Department of Animal Health, Faculty of Veterinary, Universidad de León, León, Spain
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Vatansever F, de Melo WCMA, Avci P, Vecchio D, Sadasivam M, Gupta A, Chandran R, Karimi M, Parizotto NA, Yin R, Tegos GP, Hamblin MR. Antimicrobial strategies centered around reactive oxygen species--bactericidal antibiotics, photodynamic therapy, and beyond. FEMS Microbiol Rev 2013; 37:955-89. [PMID: 23802986 DOI: 10.1111/1574-6976.12026] [Citation(s) in RCA: 578] [Impact Index Per Article: 52.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2012] [Revised: 05/15/2013] [Accepted: 05/16/2013] [Indexed: 12/13/2022] Open
Abstract
Reactive oxygen species (ROS) can attack a diverse range of targets to exert antimicrobial activity, which accounts for their versatility in mediating host defense against a broad range of pathogens. Most ROS are formed by the partial reduction in molecular oxygen. Four major ROS are recognized comprising superoxide (O2•-), hydrogen peroxide (H2O2), hydroxyl radical (•OH), and singlet oxygen ((1)O2), but they display very different kinetics and levels of activity. The effects of O2•- and H2O2 are less acute than those of •OH and (1)O2, because the former are much less reactive and can be detoxified by endogenous antioxidants (both enzymatic and nonenzymatic) that are induced by oxidative stress. In contrast, no enzyme can detoxify •OH or (1)O2, making them extremely toxic and acutely lethal. The present review will highlight the various methods of ROS formation and their mechanism of action. Antioxidant defenses against ROS in microbial cells and the use of ROS by antimicrobial host defense systems are covered. Antimicrobial approaches primarily utilizing ROS comprise both bactericidal antibiotics and nonpharmacological methods such as photodynamic therapy, titanium dioxide photocatalysis, cold plasma, and medicinal honey. A brief final section covers reactive nitrogen species and related therapeutics, such as acidified nitrite and nitric oxide-releasing nanoparticles.
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Affiliation(s)
- Fatma Vatansever
- The Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, MA, USA; Department of Dermatology, Harvard Medical School, Boston, MA, USA
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Ning S, Shen J, Li XL, Li QX. Preparation and Characterization of Storage and Emission Functional Material of Cs 2O-doped 12CaO·7Al 2O 3. CHINESE J CHEM PHYS 2011. [DOI: 10.1088/1674-0068/24/03/335-339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Sun JQ, Song CF, Ning S, Lin SB, Li QX. Preparation and Characterization of Storage and Emission Functional Material of Chlorine Anion: [Ca24Al28O64]4+ (Cl)3.80(O2)0.10. CHINESE J CHEM PHYS 2009. [DOI: 10.1088/1674-0068/22/04/417-422] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Zhao E, Wang L, Yan L, Torimoto Y, Li Q. Surface modification of medical poly(vinyl chloride) with O−water. J Appl Polym Sci 2008. [DOI: 10.1002/app.28464] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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