1
|
Lee S, Lee JJ, Jung S, Choi B, Lee HS, Kim KT, Kim C. Fast and easy detection of hypochlorite by a smartphone-based fluorescent turn-on probe: Applications to water samples, zebrafish and plant imaging. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 317:124418. [PMID: 38749200 DOI: 10.1016/j.saa.2024.124418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 04/12/2024] [Accepted: 05/05/2024] [Indexed: 05/31/2024]
Abstract
We have developed a fluorescent probe DBT-Cl ((E)-2-(2-(4-(diphenylamino)benzylidene) hydrazinyl)-N,N,N-trimethyl-2-oxoethan-1-aminium chloride) for ClO- with an aggregation-induced emission (AIE) strategy depending on solvent polarity. DBT-Cl possessed a prominent solvatochromic emission property with intramolecular charge transfer (ICT) from the TPA (triphenylamine) to the amide group, which was studied by spectroscopic analysis and DFT calculations. These unique AIE properties of DBT-Cl led to the recognition of ClO- with high fluorescent selectivity. DBT-Cl quickly detected ClO- in less than 1 sec with a fluorescent color change from green to cyan. DBT-Cl had a low detection limit of 9.67 μM to ClO-. Detection mechanism of DBT-Cl toward ClO- was illustrated to be oxidative cleavage of DBT-Cl by 1H NMR titrations, ESI-mass, and DFT calculations. We established the viability for dependable detection of ClO- in actual water samples, as well as zebrafish and plant imaging. In particular, DBT-Cl was capable of easily monitoring ClO- through a smartphone application. Therefore, DBT-Cl assured a promising approach for a fast-responsive and multi-applicable ClO- probe in environmental and living organism systems.
Collapse
Affiliation(s)
- Sooseong Lee
- Department of Fine Chem., SNUT (Seoul National Univ. of Sci. and Tech.), Seoul 01811, South Korea
| | - Jae Jun Lee
- Department of Fine Chem., SNUT (Seoul National Univ. of Sci. and Tech.), Seoul 01811, South Korea
| | - Sumin Jung
- Department of Fine Chem., SNUT (Seoul National Univ. of Sci. and Tech.), Seoul 01811, South Korea
| | - Boeun Choi
- Department of Fine Chem., SNUT (Seoul National Univ. of Sci. and Tech.), Seoul 01811, South Korea
| | - Han-Seul Lee
- Department of Environmental Engineering, SNUT (Seoul National University of Science and Technology), Seoul 01811, South Korea
| | - Ki-Tae Kim
- Department of Environmental Engineering, SNUT (Seoul National University of Science and Technology), Seoul 01811, South Korea.
| | - Cheal Kim
- Department of Fine Chem., SNUT (Seoul National Univ. of Sci. and Tech.), Seoul 01811, South Korea.
| |
Collapse
|
2
|
Du S, Wan H, Luo J, Duan X, Zou Z. Metabolic profiling of Citrus maxima L. seedlings in response to cadmium stress using UPLC-QTOF-MS. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 214:108920. [PMID: 38996714 DOI: 10.1016/j.plaphy.2024.108920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2024] [Revised: 06/25/2024] [Accepted: 07/06/2024] [Indexed: 07/14/2024]
Abstract
Cadmium (Cd) pollution significantly reduces agricultural crop yields. In our research, metabolomic changes in Citrus maxima L. subjected to Cd stress were investigated using ultra-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry (UPLC-QTOF-MS) in tandem with multivariate analytical techniques. This integrative method, coupled with physiological evaluations, aimed to elucidate the core adaptive mechanisms to Cd stress. We found that under Cd stress, C. maxima seedlings exhibited elevated levels of reactive oxygen species, malondialdehyde, and electrolyte leakage. Furthermore, principal component analysis (PCA) and orthogonal partial least squares discriminant analysis (OPLS-DA) demonstrated distinct a separation of the metabolome among the different treatment groups under Cd stress, indicating dynamic metabolic changes. Metabolic analysis suggested that genes involved are initially induced by Cd treatment, followed by the activation of the flavonoid biosynthesis pathway. This investigation provides new insights into the complex metabolic responses of C. maxima seedlings to Cd exposure.
Collapse
Affiliation(s)
- Shangguang Du
- College of Life Sciences, Jiangxi Normal University, Nanchang, 330022, China; Jiangxi Province Key Laboratory of Biodiversity Conservation and Bioresource Utilization, Nanchang, 330022, China
| | - Hao Wan
- College of Life Sciences, Jiangxi Normal University, Nanchang, 330022, China
| | - Jun Luo
- College of Life Sciences, Jiangxi Normal University, Nanchang, 330022, China
| | - Xiaohua Duan
- College of Life Sciences, Jiangxi Normal University, Nanchang, 330022, China.
| | - Zhengrong Zou
- College of Life Sciences, Jiangxi Normal University, Nanchang, 330022, China; Jiangxi Province Key Laboratory of Biodiversity Conservation and Bioresource Utilization, Nanchang, 330022, China.
| |
Collapse
|
3
|
Malik S, Kumaraguru G, Bruat M, Chefdor F, Depierreux C, Héricourt F, Carpin S, Shanmugam G, Lamblin F. Organic extracts from sustainable hybrid poplar hairy root cultures as potential natural antimicrobial and antibiofilm agents. PROTOPLASMA 2024:10.1007/s00709-024-01971-w. [PMID: 39060468 DOI: 10.1007/s00709-024-01971-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Accepted: 07/15/2024] [Indexed: 07/28/2024]
Abstract
In order to meet growing consumer demands in terms of naturalness, the pharmaceutical, food, and cosmetic industries are looking for active molecules of plant origin. In this context, hairy roots are considered a promising biotechnological system for the sustainable production of compounds of interest. Poplars (genus Populus, family Salicaceae) are trees of ecological interest in temperate alluvial forests and are also cultivated for their industrial timber. Poplar trees also produce specialized metabolites with a wide range of bioactive properties. The present study aimed to assess the hybrid poplar hairy root extracts for antimicrobial and antibiofilm activities against four main life-threatening strains of Gram-positive (Staphylococcus aureus, Bacillus subtilis) and Gram-negative (Escherichia coli, Pseudomonas aeruginosa) bacteria. Ethyl acetate extracts from two hairy root lines (HP15-3 and HP A4-12) showed significant antibacterial properties as confirmed by disc diffusion assay. Antibiofilm activities were found to be dose dependent with significant biofilm inhibition (75-95%) recorded at 1000 µg.mL-1 in all the bacterial strains tested. Dose-dependent enhancement in the release of exopolysaccharides was observed in response to treatment with extracts, possibly because of stress and bacterial cell death. Fluorescence microscopy confirmed loss of cell viability of treated bacterial cells concomitant with increased production of reactive oxygen species compared to the untreated control. Overall, this study demonstrates for the first time a high potential of poplar hairy root extracts as a natural and safe platform to produce antimicrobial agents in pharmaceutical, food, industrial water management, or cosmetic industries.
Collapse
Affiliation(s)
- Sonia Malik
- Laboratory of Physiology, Ecology and Environment, INRAE, Orléans University, USC1328, 45067 Orléans Cedex 2, Orléans, France
| | - Gowtham Kumaraguru
- Department of Biotechnology, Bharathiar University, Coimbatore, Tamil Nadu, India
| | - Margot Bruat
- Laboratory of Physiology, Ecology and Environment, INRAE, Orléans University, USC1328, 45067 Orléans Cedex 2, Orléans, France
| | - Françoise Chefdor
- Laboratory of Physiology, Ecology and Environment, INRAE, Orléans University, USC1328, 45067 Orléans Cedex 2, Orléans, France
| | - Christiane Depierreux
- Laboratory of Physiology, Ecology and Environment, INRAE, Orléans University, USC1328, 45067 Orléans Cedex 2, Orléans, France
| | - François Héricourt
- Laboratory of Physiology, Ecology and Environment, INRAE, Orléans University, USC1328, 45067 Orléans Cedex 2, Orléans, France
| | - Sabine Carpin
- Laboratory of Physiology, Ecology and Environment, INRAE, Orléans University, USC1328, 45067 Orléans Cedex 2, Orléans, France
| | - Girija Shanmugam
- Department of Biotechnology, Bharathiar University, Coimbatore, Tamil Nadu, India
| | - Frédéric Lamblin
- Laboratory of Physiology, Ecology and Environment, INRAE, Orléans University, USC1328, 45067 Orléans Cedex 2, Orléans, France.
| |
Collapse
|
4
|
Klenivskyi M, Khun J, Thonová L, Vaňková E, Scholtz V. Portable and affordable cold air plasma source with optimized bactericidal effect. Sci Rep 2024; 14:15930. [PMID: 38987305 PMCID: PMC11237098 DOI: 10.1038/s41598-024-66017-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Accepted: 06/26/2024] [Indexed: 07/12/2024] Open
Abstract
The paper reports a low-cost handheld source of a cold air plasma intended for biomedical applications that can be made by anyone (detailed technical information and a step-by-step guide for creating the NTP source are provided). The plasma source employs a 1.4 W corona discharge in the needle-to-cone electrode configuration and is an extremely simple device, consisting basically of two electrodes and a cheap power supply. To achieve the best bactericidal effect, the plasma source has been optimized on Escherichia coli. The bactericidal ability of the plasma source was further tested on a wide range of microorganisms: Staphylococcus aureus as a representative of gram-positive bacteria, Pseudomonas aeruginosa as gram-negative bacteria, Candida albicans as yeasts, Trichophyton interdigitale as microfungi, and Deinococcus radiodurans as a representative of extremophilic bacteria resistant to many DNA-damaging agents, including ultraviolet and ionizing radiation. The testing showed that the plasma source inactivates all the microorganisms tested in several minutes (up to 105-107 CFU depending on a microorganism), proving its effectiveness against a wide spectrum of pathogens, in particular microfungi, yeasts, gram-positive and gram-negative bacteria. Studies of long-lived reactive species such as ozone, nitrogen oxides, hydrogen peroxide, nitrite, and nitrate revealed a strong correlation between ozone and the bactericidal effect, indicating that the bactericidal effect should generally be attributed to reactive oxygen species. This is the first comprehensive study of the bactericidal effect of a corona discharge in air and the formation of long-lived reactive species by the discharge, depending on both the interelectrode distance and the discharge current.
Collapse
Affiliation(s)
- Myron Klenivskyi
- Department of Physics and Measurements, University of Chemistry and Technology, Prague, Czech Republic
| | - Josef Khun
- Department of Physics and Measurements, University of Chemistry and Technology, Prague, Czech Republic
| | - Laura Thonová
- Department of Physics and Measurements, University of Chemistry and Technology, Prague, Czech Republic
- Department of Physics, Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, Prague, Czech Republic
| | - Eva Vaňková
- Department of Physics and Measurements, University of Chemistry and Technology, Prague, Czech Republic
| | - Vladimír Scholtz
- Department of Physics and Measurements, University of Chemistry and Technology, Prague, Czech Republic.
| |
Collapse
|
5
|
Rios T, Maximiano MR, Fernandes FC, Amorim GC, Porto WF, Buccini DF, Nieto Marín V, Feitosa GC, Freitas CDP, Barra JB, Alonso A, Grossi de Sá MF, Lião LM, Franco OL. Anti-Staphy Peptides Rationally Designed from Cry10Aa Bacterial Protein. ACS OMEGA 2024; 9:29159-29174. [PMID: 39005792 PMCID: PMC11238290 DOI: 10.1021/acsomega.3c07455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 06/03/2024] [Accepted: 06/05/2024] [Indexed: 07/16/2024]
Abstract
Bacterial infections pose a significant threat to human health, constituting a major challenge for healthcare systems. Antibiotic resistance is particularly concerning in the context of treating staphylococcal infections. In addressing this challenge, antimicrobial peptides (AMPs), characterized by their hydrophobic and cationic properties, unique mechanism of action, and remarkable bactericidal and immunomodulatory capabilities, emerge as promising alternatives to conventional antibiotics for tackling bacterial multidrug resistance. This study focuses on the Cry10Aa protein as a template for generating AMPs due to its membrane-penetrating ability. Leveraging the Joker algorithm, six peptide variants were derived from α-helix 3 of Cry10Aa, known for its interaction with lipid bilayers. In vitro, antimicrobial assays determined the minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) required for inhibiting the growth of Staphylococcus aureus, Escherichia coli, Acinetobacter baummanii, Enterobacter cloacae, Enterococcus facallis, Klebsiella pneumonia, and Pseudomonas aeruginosa. Time-kill kinetics were performed using the parental peptide AMPCry10Aa, as well as AMPCry10Aa_1 and AMPCry10Aa_5, against E. coli ATCC, S. aureus 111 and S. aureus ATCC strains showing that AMPCry10Aa_1 and AMPCry10Aa_5 peptides can completely reduce the initial bacterial load with less than 2 h of incubation. AMPCry10Aa_1 and AMPCry 10Aa_5 present stability in human serum and activity maintenance up to 37 °C. Cytotoxicity assays, conducted using the MTT method, revealed that all of the tested peptides exhibited cell viability >50% (IC50). The study also encompassed evaluations of the structure and physical-chemical properties. The three-dimensional structures of AMPCry10Aa and AMPCry10Aa_5 were determined through nuclear magnetic resonance (NMR) spectroscopy, indicating the adoption of α-helical segments. Electron paramagnetic resonance (EPR) spectroscopy elucidated the mechanism of action, demonstrating that AMPCry10Aa_5 enters the outer membranes of E. coli and S. aureus, causing substantial increases in lipid fluidity, while AMPCry10Aa slightly increases lipid fluidity in E. coli. In conclusion, the results obtained underscore the potential of Cry10Aa as a source for developing antimicrobial peptides as alternatives to conventional antibiotics, offering a promising avenue in the battle against antibiotic resistance.
Collapse
Affiliation(s)
- Thuanny
Borba Rios
- S-Inova
Biotech, Programa de Pós-Graduação
em Biotecnologia Universidade Católica Dom Bosco, Av. Tamandaré, 6000—Jardim
Seminario, Campo Grande, MS 79117-900, Brazil
- Centro
de Análises Proteômicas e Bioquímicas, Programa de Pós-Graduação em
Ciências Genômicas e Biotecnologia Universidade Católica
de Brasília, St.
de Grandes Áreas Norte 916—Asa Norte, Brasília, DF 70790-160, Brazil
| | - Mariana Rocha Maximiano
- S-Inova
Biotech, Programa de Pós-Graduação
em Biotecnologia Universidade Católica Dom Bosco, Av. Tamandaré, 6000—Jardim
Seminario, Campo Grande, MS 79117-900, Brazil
- Centro
de Análises Proteômicas e Bioquímicas, Programa de Pós-Graduação em
Ciências Genômicas e Biotecnologia Universidade Católica
de Brasília, St.
de Grandes Áreas Norte 916—Asa Norte, Brasília, DF 70790-160, Brazil
| | - Fabiano Cavalcanti Fernandes
- Centro
de Análises Proteômicas e Bioquímicas, Programa de Pós-Graduação em
Ciências Genômicas e Biotecnologia Universidade Católica
de Brasília, St.
de Grandes Áreas Norte 916—Asa Norte, Brasília, DF 70790-160, Brazil
| | - Gabriella Cavalcante Amorim
- Centro
de Análises Proteômicas e Bioquímicas, Programa de Pós-Graduação em
Ciências Genômicas e Biotecnologia Universidade Católica
de Brasília, St.
de Grandes Áreas Norte 916—Asa Norte, Brasília, DF 70790-160, Brazil
- Embrapa
Recursos Genéticos e Biotecnologia, Parque Estação Biológica, PqEB, Av. W5 Norte—Asa Norte, Brasília, DF 70770-917, Brazil
| | | | - Danieli Fernanda Buccini
- S-Inova
Biotech, Programa de Pós-Graduação
em Biotecnologia Universidade Católica Dom Bosco, Av. Tamandaré, 6000—Jardim
Seminario, Campo Grande, MS 79117-900, Brazil
| | - Valentina Nieto Marín
- S-Inova
Biotech, Programa de Pós-Graduação
em Biotecnologia Universidade Católica Dom Bosco, Av. Tamandaré, 6000—Jardim
Seminario, Campo Grande, MS 79117-900, Brazil
| | - Gabriel Cidade Feitosa
- Centro
de Análises Proteômicas e Bioquímicas, Programa de Pós-Graduação em
Ciências Genômicas e Biotecnologia Universidade Católica
de Brasília, St.
de Grandes Áreas Norte 916—Asa Norte, Brasília, DF 70790-160, Brazil
- Pós-Graduação
em Patologia Molecular, Universidade de
Brasília, Campus
Darcy Ribeiro, Brasília, DF 70910-900, Brazil
| | | | - Juliana Bueno Barra
- Laboratório
de RMN, Instituto de Química, Universidade
Federal de Goiás, Goiânia, GO 74690-900, Brazil
| | - Antonio Alonso
- Instituto
de Física, Universidade Federal de
Goiás, Goiânia, GO 74690-900, Brazil
| | - Maria Fátima Grossi de Sá
- Centro
de Análises Proteômicas e Bioquímicas, Programa de Pós-Graduação em
Ciências Genômicas e Biotecnologia Universidade Católica
de Brasília, St.
de Grandes Áreas Norte 916—Asa Norte, Brasília, DF 70790-160, Brazil
- Embrapa
Recursos Genéticos e Biotecnologia, Parque Estação Biológica, PqEB, Av. W5 Norte—Asa Norte, Brasília, DF 70770-917, Brazil
| | - Luciano Morais Lião
- Laboratório
de RMN, Instituto de Química, Universidade
Federal de Goiás, Goiânia, GO 74690-900, Brazil
| | - Octávio Luiz Franco
- S-Inova
Biotech, Programa de Pós-Graduação
em Biotecnologia Universidade Católica Dom Bosco, Av. Tamandaré, 6000—Jardim
Seminario, Campo Grande, MS 79117-900, Brazil
- Centro
de Análises Proteômicas e Bioquímicas, Programa de Pós-Graduação em
Ciências Genômicas e Biotecnologia Universidade Católica
de Brasília, St.
de Grandes Áreas Norte 916—Asa Norte, Brasília, DF 70790-160, Brazil
| |
Collapse
|
6
|
Ressurreição S, Salgueiro L, Figueirinha A. Diplotaxis Genus: A Promising Source of Compounds with Nutritional and Biological Properties. Molecules 2024; 29:2612. [PMID: 38893488 PMCID: PMC11173894 DOI: 10.3390/molecules29112612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2024] [Revised: 05/27/2024] [Accepted: 05/30/2024] [Indexed: 06/21/2024] Open
Abstract
Research on bioactive compounds is essential to improve human health; promote adequate nutrition; drive innovation in the food, agricultural and biotechnology industries; and contribute to the preservation of the environment. The genus Diplotaxis (Brassicaceae) currently comprises around forty species, some of which are edible, particularly Diplotaxis tenuifolia (wild rocket), Diplotaxis erucoides (wall rocket), Diplotaxis muralis (annual wall rocket), Diplotaxis viminea (perennial wall rocket), and Diplotaxis simplex. The leaves of these species are rich in fiber and essential minerals, such as calcium, iron, potassium, and magnesium. Thirteen species have been characterized for their phenolic compounds, predominantly kaempferol, quercetin, and isorhamnetin glycosides. Furthermore, glucosinolate compounds were identified in nineteen species of the genus Diplotaxis. Many of the phytochemicals identified in Diplotaxis spp. demonstrated interesting biological activities, such as antioxidant, anti-inflammatory, antibacterial, hypoglycemic and hypolipidemic effects, as well as cytotoxicity and antiproliferative properties. This article provides a review of the phytochemistry of the Diplotaxis genus, highlighting its importance in food, its biological properties, potential pharmacological applications, and the dearth of research on many of these plants.
Collapse
Affiliation(s)
- Sandrine Ressurreição
- University of Coimbra, Faculty of Pharmacy, 3000-548 Coimbra, Portugal; (S.R.); (L.S.)
- Polytechnic of Coimbra, Coimbra Agriculture School, 3045-601 Coimbra, Portugal
- Chemical Engineering and Renewable Resources for Sustainability (CERES), Department of Chemical Engineering, University of Coimbra, 3030-790 Coimbra, Portugal
| | - Lígia Salgueiro
- University of Coimbra, Faculty of Pharmacy, 3000-548 Coimbra, Portugal; (S.R.); (L.S.)
- Chemical Engineering and Renewable Resources for Sustainability (CERES), Department of Chemical Engineering, University of Coimbra, 3030-790 Coimbra, Portugal
| | - Artur Figueirinha
- University of Coimbra, Faculty of Pharmacy, 3000-548 Coimbra, Portugal; (S.R.); (L.S.)
- Associated Laboratory for Green Chemistry (LAQV) of the Network of Chemistry and Technology (REQUIMTE), University of Coimbra, 3000-548 Coimbra, Portugal
| |
Collapse
|
7
|
Kong Y, Yan H, Hu J, Dang Y, Han Z, Tian B, Wang P. Antibacterial Activity and Mechanism of Action of Osthole against Listeria monocytogenes. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:10853-10861. [PMID: 38708871 DOI: 10.1021/acs.jafc.3c07931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2024]
Abstract
The purpose of this study was to investigate the antibacterial activity and mechanism of action of osthole against Listeria monocytogenes. The antibacterial activity of osthole was evaluated by determining the minimum inhibitory concentration (MIC) and growth curve. Cell morphology, membrane permeability, membrane integrity, bacterial physiology, and metabolism were explored using different methods to elucidate the mechanism of action of osthole. It was shown that the MIC of osthole against L. monocytogenes was 62.5 μg/mL and it inhibited the growth of L. monocytogenes effectively in a concentration-dependent manner. Scanning electron microscopy (SEM) images demonstrated morphology changes of L. monocytogenes, including rough surface, cell shrinkage, and rupture. It was found that extracellular conductivity and macromolecule content were increased significantly in the presence of osthole, indicating the disruption of cell membrane integrity and permeability. Laser confocal microscopy results supported the conclusion that osthole caused severe damage to the cell membrane. It was also noticed that osthole depleted intracellular adenosine triphosphate (ATP), inhibited Na+-K+-ATPase and Ca2+-Mg2+-ATPase activity, and promoted the accumulation of intracellular reactive oxygen species (ROS), leading to cell death. This study suggests that osthole is a promising antibacterial agent candidate against L. monocytogenes, and it shows potential in the prevention and control of foodborne pathogens.
Collapse
Affiliation(s)
- Yang Kong
- School of Biological and Pharmaceutical Science, Shaanxi University of Science & Technology, Xi'an 710021, P. R. China
| | - Hui Yan
- School of Biological and Pharmaceutical Science, Shaanxi University of Science & Technology, Xi'an 710021, P. R. China
| | - Jinjing Hu
- Key Laboratory of Target Discovery and Protein Drug Development in Major Diseases of Sichuan Higher Education Institutes, School of Bioscience and Technology, Chengdu Medical College, Chengdu 610500, P. R. China
| | - Yixuan Dang
- School of Biological and Pharmaceutical Science, Shaanxi University of Science & Technology, Xi'an 710021, P. R. China
| | - Zihao Han
- School of Biological and Pharmaceutical Science, Shaanxi University of Science & Technology, Xi'an 710021, P. R. China
| | - Bin Tian
- School of Biological and Pharmaceutical Science, Shaanxi University of Science & Technology, Xi'an 710021, P. R. China
| | - Puxiu Wang
- Department of Pharmacy, The First Hospital of China Medical University, Shenyang 110001, P. R. China
| |
Collapse
|
8
|
Kumar M, Mahmood S, Chopra S, Bhatia A. Biopolymer based nanoparticles and their therapeutic potential in wound healing - A review. Int J Biol Macromol 2024; 267:131335. [PMID: 38604431 DOI: 10.1016/j.ijbiomac.2024.131335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 03/11/2024] [Accepted: 04/01/2024] [Indexed: 04/13/2024]
Abstract
Nanoparticles (NPs) have been extensively investigated for their potential in nanomedicine. There is a significant level of enthusiasm about the potential of NPs to bring out a transformative impact on modern healthcare. NPs can serve as effective wound dressings or delivery vehicles due to their antibacterial and pro-wound-healing properties. Biopolymer-based NPs can be manufactured using various food-grade biopolymers, such as proteins, polysaccharides, and synthetic polymers, each offering distinct properties suitable for different applications which include collagen, polycaprolactone, chitosan, alginate, and polylactic acid, etc. Their biodegradable and biocompatible nature renders them ideal nanomaterials for applications in wound healing. Additionally, the nanofibers containing biopolymer-based NPs have shown excellent anti-bacterial and wound healing activity like silver NPs. These NPs represent a paradigm shift in wound healing therapies, offering targeted and personalized solutions for enhanced tissue regeneration and accelerated wound closure. The current review focuses on biopolymer NPs with their applications in wound healing.
Collapse
Affiliation(s)
- Mohit Kumar
- Department of Pharmaceutical Sciences and Technology, Maharaja Ranjit Singh Punjab Technical University (MRSPTU), Bathinda 151001, Punjab, India
| | - Syed Mahmood
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
| | - Shruti Chopra
- Department of Pharmaceutical Sciences and Technology, Maharaja Ranjit Singh Punjab Technical University (MRSPTU), Bathinda 151001, Punjab, India.
| | - Amit Bhatia
- Department of Pharmaceutical Sciences and Technology, Maharaja Ranjit Singh Punjab Technical University (MRSPTU), Bathinda 151001, Punjab, India.
| |
Collapse
|
9
|
Wu J, Liu J, Sun J, Liu Y, He T, Zhao J, Mei X, Liu Y, Yang M, Zhu S. Diallyl Trisulfide Acts as a Soil Disinfestation Against the Ilyonectria destructans through Inducing the Burst of Reactive Oxygen Species. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:9669-9679. [PMID: 38632108 DOI: 10.1021/acs.jafc.4c01422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/19/2024]
Abstract
Soil-borne diseases represent an impediment to the sustainable development of agriculture. A soil-borne disease caused by Ilyonectria destructans severely impacts Panax species, and soil disinfestation has proven to be an effective management approach. Here, diallyl trisulfide (DATS), derived from garlic, exhibited pronounced inhibitory effects on the growth of I. destructans in vitro tests and contributed to the alleviation of soil-borne diseases in the field. A comprehensive analysis demonstrated that DATS inhibits the growth of I. destructans by activating detoxifying enzymes, such as GSTs, disrupting the equilibrium of redox reactions. A series of antioxidant amino acids were suppressed by DATS. Particularly noteworthy is the substantial depletion of glutathione by DATS, resulting in the accumulation of ROS, ultimately culminating in the inhibition of I. destructans growth. Briefly, DATS could effectively suppress soil-borne diseases by inhibiting pathogen growth through the activation of ROS, and it holds promise as a potential environmentally friendly soil disinfestation.
Collapse
Affiliation(s)
- Jiaqing Wu
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming 650201, China
- Key Laboratory for Agro-Biodiversity and Pest Control of Ministry of Education, Yunnan Agricultural University, Kunming 650201, China
| | - Jinyu Liu
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming 650201, China
- Key Laboratory for Agro-Biodiversity and Pest Control of Ministry of Education, Yunnan Agricultural University, Kunming 650201, China
| | - Junwei Sun
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming 650201, China
- Key Laboratory for Agro-Biodiversity and Pest Control of Ministry of Education, Yunnan Agricultural University, Kunming 650201, China
| | - Yingpin Liu
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming 650201, China
- Key Laboratory for Agro-Biodiversity and Pest Control of Ministry of Education, Yunnan Agricultural University, Kunming 650201, China
| | - Tao He
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming 650201, China
- Key Laboratory for Agro-Biodiversity and Pest Control of Ministry of Education, Yunnan Agricultural University, Kunming 650201, China
| | - Jing Zhao
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming 650201, China
- Key Laboratory for Agro-Biodiversity and Pest Control of Ministry of Education, Yunnan Agricultural University, Kunming 650201, China
| | - Xinyue Mei
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming 650201, China
- Key Laboratory for Agro-Biodiversity and Pest Control of Ministry of Education, Yunnan Agricultural University, Kunming 650201, China
| | - Yixiang Liu
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming 650201, China
- Key Laboratory for Agro-Biodiversity and Pest Control of Ministry of Education, Yunnan Agricultural University, Kunming 650201, China
| | - Min Yang
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming 650201, China
- Key Laboratory for Agro-Biodiversity and Pest Control of Ministry of Education, Yunnan Agricultural University, Kunming 650201, China
| | - Shusheng Zhu
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming 650201, China
- Key Laboratory for Agro-Biodiversity and Pest Control of Ministry of Education, Yunnan Agricultural University, Kunming 650201, China
| |
Collapse
|
10
|
Lebedev VN, Kharovskaya MI, Lazoryak BI, Solovieva AO, Fadeeva IV, Amirov AA, Koliushenkov MA, Orudzhev FF, Baryshnikova OV, Yankova VG, Rau JV, Deyneko DV. Strontium and Copper Co-Doped Multifunctional Calcium Phosphates: Biomimetic and Antibacterial Materials for Bone Implants. Biomimetics (Basel) 2024; 9:252. [PMID: 38667262 PMCID: PMC11048597 DOI: 10.3390/biomimetics9040252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 04/13/2024] [Accepted: 04/16/2024] [Indexed: 04/28/2024] Open
Abstract
β-tricalcium phosphate (β-TCP) is a promising material in regenerative traumatology for the creation of bone implants. Previously, it was established that doping the structure with certain cations can reduce the growth of bacterial activity. Recently, much attention has been paid to co-doped β-TCP, that is explained by their ability, on the one hand, to reduce cytotoxicity for cells of the human organism, on the other hand, to achieve a successful antibacterial effect. Sr, Cu-co-doped solid solutions of the composition Ca9.5-xSrxCu(PO4)7 was obtained by the method of solid-phase reactions. The Rietveld method of structural refinement revealed the presence of Sr2+ ions in four crystal sites: M1, M2, M3, and M4. The M5 site is completely occupied by Cu2+. Isomorphic substitution of Ca2+ → (Sr2+and Cu2+) expands the concentration limits of the existence of the solid solution with the β-TCP structure. No additional phases were formed up to x = 4.5 in Ca9.5-xSrxCu(PO4)7. Biocompatibility tests were performed on cell lines of human bone marrow mesenchymal stromal cells (hMSC), human fibroblasts (MRC-5) and osteoblasts (U-2OS). It was demonstrated that cytotoxicity exhibited a concentration dependence, along with an increase in osteogenesis and cell proliferation. Ca9.5-xSrxCu(PO4)7 powders showed significant inhibitory activity against pathogenic strains Escherichia coli and Staphylococcus aureus. Piezoelectric properties of Ca9.5-xSrxCu(PO4)7 were investigated. Possible ways to achieve high piezoelectric response are discussed. The combination of bioactive properties of Ca9.5-xSrxCu(PO4)7 renders them multifunctional materials suitable for bone substitutes.
Collapse
Affiliation(s)
- Vladimir N. Lebedev
- Chemistry Department, Lomonosov Moscow State University, Leninskie Gory 1, 119991 Moscow, Russia; (V.N.L.); (M.I.K.); (B.I.L.); (O.V.B.)
| | - Mariya I. Kharovskaya
- Chemistry Department, Lomonosov Moscow State University, Leninskie Gory 1, 119991 Moscow, Russia; (V.N.L.); (M.I.K.); (B.I.L.); (O.V.B.)
| | - Bogdan I. Lazoryak
- Chemistry Department, Lomonosov Moscow State University, Leninskie Gory 1, 119991 Moscow, Russia; (V.N.L.); (M.I.K.); (B.I.L.); (O.V.B.)
| | - Anastasiya O. Solovieva
- Laboratory of Pharmacology Active Compounds, Research Institute of Clinical and Experimental Lymphology–Branch of the Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (RICEL–Branch of IC&G SB RAS), 630060 Novosibirsk, Russia;
| | - Inna V. Fadeeva
- A.A. Baikov Institute of Metallurgy and Material Science RAS, Leninskie, 49, 119334 Moscow, Russia;
| | - Abdulkarim A. Amirov
- Amirkhanov Institute of Physics, Dagestan Scientific Center of Russian Academy of Sciences, 367003 Makhachkala, Russia;
| | - Maksim A. Koliushenkov
- Physics Department, Lomonosov Moscow State University, Leninskie Gori 1, 119991 Moscow, Russia;
| | - Farid F. Orudzhev
- Geothermal and Renewal Energy Institute of the High Temperature Joint Institute of the Russian Academy of Sciences, 367015 Makhachkala, Russia;
| | - Oksana V. Baryshnikova
- Chemistry Department, Lomonosov Moscow State University, Leninskie Gory 1, 119991 Moscow, Russia; (V.N.L.); (M.I.K.); (B.I.L.); (O.V.B.)
| | - Viktoriya G. Yankova
- Institute of Pharmacy, Department of Analytical, Physical and Colloid Chemistry, I.M. Sechenov First Moscow State Medical University, Trubetskaya 8, Building 2, 119048 Moscow, Russia; (V.G.Y.); (J.V.R.)
| | - Julietta V. Rau
- Institute of Pharmacy, Department of Analytical, Physical and Colloid Chemistry, I.M. Sechenov First Moscow State Medical University, Trubetskaya 8, Building 2, 119048 Moscow, Russia; (V.G.Y.); (J.V.R.)
- Istituto di Struttura della Materia, Consiglio Nazionale delle Ricerche, ISM-CNR, Via del Fosso del Cavaliere 100, 00133 Rome, Italy
| | - Dina V. Deyneko
- Chemistry Department, Lomonosov Moscow State University, Leninskie Gory 1, 119991 Moscow, Russia; (V.N.L.); (M.I.K.); (B.I.L.); (O.V.B.)
- Laboratory of Arctic Mineralogy and Material Sciences, Kola Science Centre RAS, 14 Fersman Str., 184209 Apatity, Russia
| |
Collapse
|
11
|
Bradley R, Simon D, Spiga L, Xiang Y, Takats Z, Williams H. Laser desorption rapid evaporative ionization mass spectrometry (LD-REIMS) demonstrates a direct impact of hypochlorous acid stress on PQS-mediated quorum sensing in Pseudomonas aeruginosa. mSystems 2024; 9:e0116523. [PMID: 38530056 PMCID: PMC11019781 DOI: 10.1128/msystems.01165-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 02/26/2024] [Indexed: 03/27/2024] Open
Abstract
To establish infections in human hosts, Pseudomonas aeruginosa must overcome innate immune-generated oxidative stress, such as the hypochlorous acid (HOCl) produced by neutrophils. We set out to find specific biomarkers of oxidative stress through the development of a protocol for the metabolic profiling of P. aeruginosa cultures grown in the presence of different oxidants using a novel ionization technique for mass spectrometry, laser desorption rapid evaporative ionization mass spectrometry (LD-REIMS). We demonstrated the ability of LD-REIMS to classify samples as untreated or treated with a specific oxidant with 100% accuracy and identified a panel of 54 metabolites with significantly altered concentrations after exposure to one or more of the oxidants. Key metabolic changes were conserved in P. aeruginosa clinical strains isolated from patients with cystic fibrosis lung infections. These data demonstrated that HOCl stress impacted the Pseudomonas quinolone signal (PQS) quorum sensing system. Ten 2-alkyl-4-quinolones (AHQs) associated with the PQS system were significantly lower in concentration in HOCl-stressed P. aeruginosa cultures, including 2-heptyl-3-hydroxy-4(1H)-quinolone (PQS), the most active signal molecule of the PQS system. The PQS system regulates the production of virulence factors, including pyocyanin and elastase, and their levels were markedly affected by HOCl stress. No pyocyanin was detectable and elastase concentrations were reduced by more than 75% in cultures grown with sub-lethal concentrations of HOCl, suggesting that this neutrophil-derived oxidant may disrupt the ability of P. aeruginosa to establish infections through interference with production of PQS-associated virulence factors. IMPORTANCE This work demonstrates that a high-throughput ambient ionization mass spectrometry method can be used successfully to study a bacterial stress response. Its application to the opportunistic pathogen Pseudomonas aeruginosa led to the identification of specific oxidative stress biomarkers, and demonstrated that hypochlorous acid, an oxidant specifically produced by human neutrophils during infection, affects quorum sensing and reduces production of the virulence factors pyocyanin and elastase. No pyocyanin was detectable and elastase levels were reduced by more than 75% in bacteria grown in the presence of hypochlorous acid. This approach has the potential to be widely applicable to the characterization of the stress responses of bacteria.
Collapse
Affiliation(s)
- Rob Bradley
- Department of Life Sciences, Faculty of Natural Sciences, Imperial College London, London, United Kingdom
| | - Daniel Simon
- Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom
- The Rosalind Franklin Institute, Didcot, United Kingdom
| | - Livia Spiga
- Department of Life Sciences, Faculty of Natural Sciences, Imperial College London, London, United Kingdom
| | - Yuchen Xiang
- Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Zoltan Takats
- Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Huw Williams
- Department of Life Sciences, Faculty of Natural Sciences, Imperial College London, London, United Kingdom
| |
Collapse
|
12
|
Kubiak B, Muzioł T, Wrzeszcz G, Radtke A, Golińska P, Jędrzejewski T, Wrotek S, Piszczek P. Structural Characterization and Bioactivity of a Titanium(IV)-Oxo Complex Stabilized by Mandelate Ligands. Molecules 2024; 29:1736. [PMID: 38675556 PMCID: PMC11052117 DOI: 10.3390/molecules29081736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 04/04/2024] [Accepted: 04/09/2024] [Indexed: 04/28/2024] Open
Abstract
Research on titanium-oxo complexes (TOCs) is usually focused on their structure and photocatalytic properties. Findings from these investigations further sparked our interest in exploring their potential biological activities. In this study, we focused on the synthesis and structure of a compound with the general formula [Ti8O2(OiPr)20(man)4] (1), which was isolated from the reaction mixture of titanium(IV) isopropoxide with mandelic acid (Hman) in a molar ratio of 4:1. The structure (1) was determined using single-crystal X-ray diffraction, while spectroscopic studies provided insights into its physicochemical properties. To assess the potential practical applications of (1), its microcrystals were incorporated into a polymethyl methacrylate (PMMA) matrix, yielding composite materials of the type PMMA + (1) (2 wt.%, 5 wt.%, 10 wt.%, and 20 wt.%). The next stage of our research involved the evaluation of the antimicrobial activity of the obtained materials. The investigations performed demonstrated the antimicrobial activity of pure (1) and its composites (PMMA + (1)) against both Gram-positive and Gram-negative strains. Furthermore, MTT tests conducted on the L929 murine fibroblast cell line confirmed the lack of cytotoxicity of these composites. Our study identified (1) as a promising antimicrobial agent, which is also may be use for producing composite coatings.
Collapse
Affiliation(s)
- Barbara Kubiak
- Department of Inorganic and Coordination Chemistry, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100 Toruń, Poland; (T.M.); (G.W.); (A.R.)
| | - Tadeusz Muzioł
- Department of Inorganic and Coordination Chemistry, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100 Toruń, Poland; (T.M.); (G.W.); (A.R.)
| | - Grzegorz Wrzeszcz
- Department of Inorganic and Coordination Chemistry, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100 Toruń, Poland; (T.M.); (G.W.); (A.R.)
| | - Aleksandra Radtke
- Department of Inorganic and Coordination Chemistry, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100 Toruń, Poland; (T.M.); (G.W.); (A.R.)
| | - Patrycja Golińska
- Department of Microbiology, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Toruń, Lwowska 1, 87-100 Toruń, Poland;
| | - Tomasz Jędrzejewski
- Department of Immunology, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Toruń, Lwowska 1, 87-100 Toruń, Poland; (T.J.); (S.W.)
| | - Sylwia Wrotek
- Department of Immunology, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Toruń, Lwowska 1, 87-100 Toruń, Poland; (T.J.); (S.W.)
| | - Piotr Piszczek
- Department of Inorganic and Coordination Chemistry, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100 Toruń, Poland; (T.M.); (G.W.); (A.R.)
| |
Collapse
|
13
|
Zhang D, Gil D, Kim C. A Dual-target Fluorescent Chemosensor for Detecting Indium (III) and Hypochlorite with High Selectivity. J Fluoresc 2024; 34:743-753. [PMID: 37358760 DOI: 10.1007/s10895-023-03326-9] [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: 05/01/2023] [Accepted: 06/21/2023] [Indexed: 06/27/2023]
Abstract
A dual-target fluorescent chemosensor BQC (((E)-N-benzhydryl-2-(quinolin-2-ylmethylene)hydrazine-1-carbothioamide) was synthesized for detecting In3+ and ClO-. BQC displayed green and blue fluorescence responses to In3+ and ClO- with low detection limits (0.83 µM for In3+ and 2.50 µM for ClO-), respectively. Importantly, BQC is the first fluorescent chemosensor capable of detecting In3+ and ClO-. The binding ratio between BQC and In3+ was determined to be a 2:1 through Job plot and ESI-MS analysis. BQC could be successfully utilized as a visible test kit to detect In3+. Meanwhile, BQC showed a selective turn-on response to ClO- even in the presence of anions or reactive oxygen species. The sensing mechanisms of BQC for In3+ and ClO- were demonstrated by 1 H NMR titration, ESI-MS and theoretical calculations.
Collapse
Affiliation(s)
- Duo Zhang
- Department of Fine Chemistry, Seoul National Univ. of Sci. and Tech. (SNUT), Seoul, 01811, Korea
| | - Dongkyun Gil
- Department of Fine Chemistry, Seoul National Univ. of Sci. and Tech. (SNUT), Seoul, 01811, Korea.
| | - Cheal Kim
- Department of Fine Chemistry, Seoul National Univ. of Sci. and Tech. (SNUT), Seoul, 01811, Korea.
| |
Collapse
|
14
|
Wang N, Wang X, Chen L, Liu H, Wu Y, Huang M, Fang L. Biological roles of soil microbial consortium on promoting safe crop production in heavy metal(loid) contaminated soil: A systematic review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:168994. [PMID: 38043809 DOI: 10.1016/j.scitotenv.2023.168994] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 11/08/2023] [Accepted: 11/27/2023] [Indexed: 12/05/2023]
Abstract
Heavy metal(loid) (HM) pollution of agricultural soils is a growing global environmental concern that affects planetary health. Numerous studies have shown that soil microbial consortia can inhibit the accumulation of HMs in crops. However, our current understanding of the effects and mechanisms of inhibition is fragmented. In this review, we summarise extant studies and knowledge to provide a comprehensive view of HM toxicity on crop growth and development at the biological, cellular and the molecular levels. In a meta-analysis, we find that microbial consortia can improve crop resistance and reduce HM uptake, which in turn promotes healthy crop growth, demonstrating that microbial consortia are more effective than single microorganisms. We then review three main mechanisms by which microbial consortia reduce the toxicity of HMs to crops and inhibit HMs accumulation in crops: 1) reducing the bioavailability of HMs in soil (e.g. biosorption, bioaccumulation and biotransformation); 2) improving crop resistance to HMs (e.g. facilitating the absorption of nutrients); and 3) synergistic effects between microorganisms. Finally, we discuss the prospects of microbial consortium applications in simultaneous crop safety production and soil remediation, indicating that they play a key role in sustainable agricultural development, and conclude by identifying research challenges and future directions for the microbial consortium to promote safe crop production.
Collapse
Affiliation(s)
- Na Wang
- State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, The Research Center of Soil and Water Conservation and Ecological Environment, CAS and MOE, Yangling 712100, China; State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, CAS and MWR, Yangling 712100, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiangxiang Wang
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China
| | - Li Chen
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China
| | - Hongjie Liu
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China
| | - Yanfang Wu
- Palm Eco-Town Development Co., Ltd., Zhengzhou 450000, China
| | - Min Huang
- Key Laboratory of Green Utilization of Critical Nonmetallic Mineral Resources, Ministry of Education, Wuhan University of Technology, Wuhan 430070, China
| | - Linchuan Fang
- State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, The Research Center of Soil and Water Conservation and Ecological Environment, CAS and MOE, Yangling 712100, China; State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, CAS and MWR, Yangling 712100, China; Key Laboratory of Green Utilization of Critical Nonmetallic Mineral Resources, Ministry of Education, Wuhan University of Technology, Wuhan 430070, China.
| |
Collapse
|
15
|
Kushwaha R, Rai R, Gawande V, Singh V, Yadav AK, Koch B, Dhar P, Banerjee S. Antibacterial Photodynamic Therapy by Zn(II)-Curcumin Complex: Synthesis, Characterization, DFT Calculation, Antibacterial Activity, and Molecular Docking. Chembiochem 2024; 25:e202300652. [PMID: 37921481 DOI: 10.1002/cbic.202300652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 10/28/2023] [Accepted: 11/02/2023] [Indexed: 11/04/2023]
Abstract
The increase in antibacterial drug resistance is threatening global health conditions. Recently, antibacterial photodynamic therapy (aPDT) has emerged as an effective antibacterial treatment with high cure gain. In this work, three Zn(II) complexes viz., [Zn(en)(acac)Cl] (1), [Zn(bpy)(acac)Cl] (2), [Zn(en)(cur)Cl] (3), where en=ethylenediamine (1 and 3), bpy=2,2'-bipyridine (2), acac=acetylacetonate (1 and 2), cur=curcumin monoanionic (3) were developed as aPDT agents. Complexes 1-3 were synthesized and fully characterized using NMR, HRMS, FTIR, UV-Vis. and fluorescence spectroscopy. The HOMO-LUMO energy gap (Eg), and adiabatic splittings (ΔS1-T1 and ΔS0-T1 ) obtained from DFT calculation indicated the photosensivity of the complexes. These complexes have not shown any potent antibacterial activity under dark conditions but the antibacterial activity of these complexes was significantly enhanced upon light exposure (MIC value up to 0.025 μg/mL) due to their light-mediated 1 O2 generation abilities. The molecular docking study suggested that complexes 1-3 interact efficiently with DNA gyrase B (PDB ID: 4uro). Importantly, 1-3 did not show any toxicity toward normal HEK-293 cells. Overall, in this work, we have demonstrated the promising potential of Zn(II) complexes as effective antibacterial agents under the influence of visible light.
Collapse
Affiliation(s)
- Rajesh Kushwaha
- Department of Chemistry, Indian Institute of Technology (BHU), 221005, Varanasi, Uttar Pradesh, India
| | - Rohit Rai
- School of Biochemical Engineering, Indian Institute of Technology (BHU), 221005, Varanasi, Uttar Pradesh, India
| | - Vedant Gawande
- Department of Chemistry, Indian Institute of Technology (BHU), 221005, Varanasi, Uttar Pradesh, India
| | - Virendra Singh
- Department of Zoology, Institution of Science, Banaras Hindu University, 221005, Varanasi, Uttar Pradesh, India
| | - Ashish Kumar Yadav
- Department of Chemistry, Indian Institute of Technology (BHU), 221005, Varanasi, Uttar Pradesh, India
| | - Biplob Koch
- Department of Zoology, Institution of Science, Banaras Hindu University, 221005, Varanasi, Uttar Pradesh, India
| | - Prodyut Dhar
- School of Biochemical Engineering, Indian Institute of Technology (BHU), 221005, Varanasi, Uttar Pradesh, India
| | - Samya Banerjee
- Department of Chemistry, Indian Institute of Technology (BHU), 221005, Varanasi, Uttar Pradesh, India
| |
Collapse
|
16
|
Wang W, Liu X, Wang L, Song G, Jiang W, Mu L, Li J. Ficus carica polysaccharide extraction via ultrasound-assisted technique: Structure characterization, antioxidant, hypoglycemic and immunomodulatory activities. ULTRASONICS SONOCHEMISTRY 2023; 101:106680. [PMID: 37956509 PMCID: PMC10661605 DOI: 10.1016/j.ultsonch.2023.106680] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 10/22/2023] [Accepted: 11/03/2023] [Indexed: 11/15/2023]
Abstract
In this research, the ultrasound-assisted extraction (UAE) conditions of the water-soluble polysaccharide (FCPS) from Ficus carica fruits were optimized using the response surface methodology. The optimal FCPS yield was 7.97 % achieved by conducting ultrasound-assisted extraction four times at a solid-liquid ratio of 1:20 (g/mL) and an ultrasound temperature of 70 °C. Then, the structure, antioxidant properties, hypoglycemic effects, and immunomodulatory activities of FCPS were evaluated. FCPS was characterized as irregular, rough-surfaced, flaky materials consisting of pyran-type polysaccharides with α- and β-glycosidic linkages, and composed of multiple monosaccharides and only one homogeneous concentrated polysaccharide component (FCPS1) with a molecular weight of 4.224 × 104 Da. The results suggested FCPS exhibited remarkable antioxidant activity in vitro, as evidenced by improved cell viability and reduced the reactive oxygen species (ROS) levels. Meanwhile, FCPS effectively improved liver-related insulin resistance by promoting glucose consumption in hepatocytes and activated the immune response through activation of murine bone marrow-derived dendritic cells (DCs) and upregulation of interleukin 6 (IL6) and interleukin 12 (IL-12) expression. The findings demonstrate the efficacy of the UAE technique in isolating FCPS with biological functionality and FCPS could potentially serve as a beneficial organic antioxidant source and functional food, carrying important implications for future studies.
Collapse
Affiliation(s)
- Weilan Wang
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi 830046, China
| | - Xiaoying Liu
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi 830046, China
| | - Lixue Wang
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi 830046, China
| | - Guirong Song
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi 830046, China
| | - Wei Jiang
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi 830046, China
| | - Lihong Mu
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi 830046, China
| | - Jinyao Li
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi 830046, China.
| |
Collapse
|
17
|
Sun C, Zhou X, Liu C, Deng S, Song Y, Yang J, Dai J, Ju Y. An Integrated Therapeutic and Preventive Nanozyme-Based Microneedle for Biofilm-Infected Diabetic Wound Healing. Adv Healthc Mater 2023; 12:e2301474. [PMID: 37479531 DOI: 10.1002/adhm.202301474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 06/28/2023] [Indexed: 07/23/2023]
Abstract
The healing of biofilm-infected diabetic wounds characterized by a deteriorative tissue microenvironment represents a substantial clinical challenge. Current treatments remain unsatisfactory due to the limited antibiofilm efficacy caused by weak tissue and biofilm permeability of drugs and the risk of reinfection during the healing process. To address these issues, an integrated therapeutic and preventive nanozyme-based microneedle (denoted as Fe2 C/GOx@MNs) is engineered. The dissolvable tips with enough mechanical strength can deliver and rapidly release Fe2 C nanoparticles (NPs)/glucose oxidase (GOx) in the biofilm active regions, enhancing tissue and biofilm permeability of Fe2 C NPs/GOx, ultimately achieving highly efficient biofilm elimination. Meanwhile, the chitosan backing layer can not only act as an excellent physical barrier between the wound bed and the external environment, but also prevent the bacterial reinvasion during wound healing with its superior antibacterial property. Significantly, the biofilm elimination and reinfection prevention abilities of Fe2 C/GOx@MNs on wound healing are proved on methicillin-resistant Staphylococcus aureus-biofilm-infected diabetic mouse model with full-thickness wound. Together, these results demonstrate the promising clinical application of Fe2 C/GOx@MNs in biofilm-infected wound healing.
Collapse
Affiliation(s)
- Caixia Sun
- College of Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Xinyu Zhou
- College of Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Cong Liu
- College of Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Shuyue Deng
- College of Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Yuhan Song
- Nanjing Institute for Food and Drug Control, Nanjing, 210038, China
| | - Jun Yang
- Nanjing Institute for Food and Drug Control, Nanjing, 210038, China
| | - Jianjun Dai
- College of Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
- MOE Joint International Research Laboratory of Animal Health and Food Safety, Key Laboratory of Animal Bacteriology, Ministry of Agriculture, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China
| | - Yanmin Ju
- College of Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| |
Collapse
|
18
|
Wu S, Chen Y, Chen Z, Wei F, Zhou Q, Li P, Gu Q. Reactive oxygen species and gastric carcinogenesis: The complex interaction between Helicobacter pylori and host. Helicobacter 2023; 28:e13024. [PMID: 37798959 DOI: 10.1111/hel.13024] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 09/10/2023] [Accepted: 09/21/2023] [Indexed: 10/07/2023]
Abstract
Helicobacter pylori (H. pylori) is a highly successful human pathogen that colonizes stomach in around 50% of the global population. The colonization of bacterium induces an inflammatory response and a substantial rise in the production of reactive oxygen species (ROS) and reactive nitrogen species (RNS), mostly derived from host neutrophils and gastric epithelial cells, which play a crucial role in combating bacterial infections. However, H. pylori has developed various strategies to quench the deleterious effects of ROS, including the production of antioxidant enzymes, antioxidant proteins as well as blocking the generation of oxidants. The host's inability to eliminate H. pylori infection results in persistent ROS production. Notably, excessive ROS can disrupt the intracellular signal transduction and biological processes of the host, incurring chronic inflammation and cellular damage, such as DNA damage, lipid peroxidation, and protein oxidation. Markedly, the sustained inflammatory response and oxidative stress during H. pylori infection are major risk factor for gastric carcinogenesis. In this context, we summarize the literature on H. pylori infection-induced ROS production, the strategies used by H. pylori to counteract the host response, and subsequent host damage and gastric carcinogenesis.
Collapse
Affiliation(s)
- Shiying Wu
- Key Laboratory for Food Microbial Technology of Zhejiang Province, College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
| | - Yongqiang Chen
- Key Laboratory for Food Microbial Technology of Zhejiang Province, College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
| | - Ziqi Chen
- Key Laboratory for Food Microbial Technology of Zhejiang Province, College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
| | - Fangtong Wei
- Key Laboratory for Food Microbial Technology of Zhejiang Province, College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
| | - Qingqing Zhou
- Key Laboratory for Food Microbial Technology of Zhejiang Province, College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
| | - Ping Li
- Key Laboratory for Food Microbial Technology of Zhejiang Province, College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
| | - Qing Gu
- Key Laboratory for Food Microbial Technology of Zhejiang Province, College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
| |
Collapse
|
19
|
Dai X, Liu Y, Meng F, Li Q, Wu F, Yuan J, Chen H, Lv H, Zhou Y, Chang Y. Amplification of oxidative damage using near-infrared II-mediated photothermal/thermocatalytic effects for periodontitis treatment. Acta Biomater 2023; 171:519-531. [PMID: 37714248 DOI: 10.1016/j.actbio.2023.09.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 08/13/2023] [Accepted: 09/10/2023] [Indexed: 09/17/2023]
Abstract
Periodontitis is a biofilm-related disease characterized by damage to the periodontal tissue and the development of systemic diseases. However, treatment of periodontitis remains unsatisfactory, especially with deep-tissue infections. This study describes rationally designed multifunctional photothermocatalytic agents for near-infrared-II light-mediated synergistic antibiofilm treatment, through modification of Lu-Bi2Te3 with Fe3O4 and poly(ethylene glycol)-b-poly(l-arginine) (PEG-b-PArg). Notably, 1064-nm laser irradiation led to photothermal/thermocatalytic effects, resulting in the synergistic generation of reactive oxygen species (ROS) and reactive nitrogen species (RNS) and consequent damage to the biofilm. This treatment was based on the thermoelectric and photothermal conversion properties of Lu-Bi2Te3, the peroxidase-like catalytic capacity of Fe3O4, and the guanidinium polymer, PEG-b-PArg. Oxidative damage to biofilm was further enhanced by H2O2, resulting in the effective elimination of biofilm both in vitro and in vivo. These findings suggest that this synergistic therapeutic strategy is effective for the clinical treatment of periodontitis. STATEMENT OF SIGNIFICANCE: The current treatment for periodontitis involves time-consuming and labor-intensive clinical scaling of the teeth. The present study is the first to assess the efficacy of a photothermal catalyst for periodontitis treatment. This used near-infrared-II light at 1064 nm to induce oxidative damage in the biofilm, resulting in its degradation. The synergistic photothermal/thermoelectric effect produced deep tissue penetration and was well tolerated, and can kill the biofilm formed by periodontitis pathogens up to 5 orders of magnitude, effectively treating the biofilm-induced periodontitis.
Collapse
Affiliation(s)
- Xinyu Dai
- State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, Jilin 130033, PR China; Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Jilin University, Changchun, Jilin 130021, PR China
| | - Yiping Liu
- State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, Jilin 130033, PR China; Department of Oral Implantology, School and Hospital of Stomatology, Jilin University, Changchun, Jilin 130021, PR China
| | - Fanrong Meng
- Department of Stomatology, Aviation General Hospital, Beijing 100000, PR China
| | - Qiqing Li
- State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, Jilin 130033, PR China
| | - Fengxia Wu
- State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, Jilin 130033, PR China
| | - Jianguo Yuan
- State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, Jilin 130033, PR China
| | - Haoran Chen
- State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, Jilin 130033, PR China
| | - Huixin Lv
- State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, Jilin 130033, PR China; Department of Oral Implantology, School and Hospital of Stomatology, Jilin University, Changchun, Jilin 130021, PR China
| | - Yanmin Zhou
- Department of Oral Implantology, School and Hospital of Stomatology, Jilin University, Changchun, Jilin 130021, PR China.
| | - Yulei Chang
- State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, Jilin 130033, PR China.
| |
Collapse
|
20
|
Xu B, Cai G, Gao Y, Chen M, Xu C, Wang C, Yu D, Qi D, Li R, Wu J. Nanofibrous Dressing with Nanocomposite Monoporous Microspheres for Chemodynamic Antibacterial Therapy and Wound Healing. ACS OMEGA 2023; 8:38481-38493. [PMID: 37867710 PMCID: PMC10586453 DOI: 10.1021/acsomega.3c05271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 09/20/2023] [Indexed: 10/24/2023]
Abstract
The excessive use of antibiotics and consequent bacterial resistance have emerged as crucial public safety challenges for humanity. As a promising antibacterial treatment, using reactive oxygen species (ROS) can effectively address this problem and has the advantages of being highly efficient and having low toxicity. Herein, electrospinning and electrospraying were employed to fabricate magnesium oxide (MgO)-based nanoparticle composited polycaprolactone (PCL) nanofibrous dressings for the chemodynamic treatment of bacteria-infected wounds. By utilizing electrospraying, erythrocyte-like monoporous PCL microspheres incorporating silver (Ag)- and copper (Cu)-doped MgO nanoparticles were generated, and the unique microsphere-filament structure enabled efficient anchoring on nanofibers. The composite dressings produced high levels of ROS, as confirmed by the 2,7-dichloriflurescin fluorescent probe. The sustained generation of ROS resulted in efficient glutathione oxidation and a remarkable bacterial killing rate of approximately 99% against Staphylococcus aureus (S. aureus). These dressings were found to be effective at treating externally infected wounds. The unique properties of these composite nanofibrous dressings suggest great potential for their use in the medical treatment of bacteria-infected injuries.
Collapse
Affiliation(s)
- Bingjie Xu
- MOE Key Laboratory of Advanced Textile Materials & Manufacturing Technology, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Guoqiang Cai
- NICE Zhejiang Technology Co., Ltd, Hangzhou 310013, China
- Key Laboratory of Green Cleaning Technology & Detergent of Zhejiang Province, Lishui 323000, China
| | - Yujie Gao
- MOE Key Laboratory of Advanced Textile Materials & Manufacturing Technology, Zhejiang Sci-Tech University, Hangzhou 310018, China
- Key Laboratory of Green Cleaning Technology & Detergent of Zhejiang Province, Lishui 323000, China
| | - Mingchao Chen
- MOE Key Laboratory of Advanced Textile Materials & Manufacturing Technology, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Chenlu Xu
- Department of Oral and Maxillofacial Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Chenglong Wang
- MOE Key Laboratory of Advanced Textile Materials & Manufacturing Technology, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Dan Yu
- Department of Oral and Maxillofacial Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Dongming Qi
- MOE Key Laboratory of Advanced Textile Materials & Manufacturing Technology, Zhejiang Sci-Tech University, Hangzhou 310018, China
- Key Laboratory of Green Cleaning Technology & Detergent of Zhejiang Province, Lishui 323000, China
| | - Renhong Li
- MOE Key Laboratory of Advanced Textile Materials & Manufacturing Technology, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Jindan Wu
- MOE Key Laboratory of Advanced Textile Materials & Manufacturing Technology, Zhejiang Sci-Tech University, Hangzhou 310018, China
- Key Laboratory of Green Cleaning Technology & Detergent of Zhejiang Province, Lishui 323000, China
| |
Collapse
|
21
|
Rahman L, Sarwar Y, Khaliq S, Inayatullah, Abbas W, Mobeen A, Ullah A, Hussain SZ, Khan WS, Kyriazi ME, Hussain I, Kanaras AG, Rehman A. Surfactin-Conjugated Silver Nanoparticles as an Antibacterial and Antibiofilm Agent against Pseudomonas aeruginosa. ACS APPLIED MATERIALS & INTERFACES 2023; 15:43321-43331. [PMID: 37668507 DOI: 10.1021/acsami.3c07071] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/06/2023]
Abstract
The emergence of antimicrobial resistance is an alarming global health concern and has stimulated the development of novel functional nanomaterials to combat multi-drug-resistant (MDR) bacteria. In this work, we demonstrate for the first time the synthesis and application of surfactin-coated silver nanoparticles as an efficient antibacterial and antibiofilm agent against the drug-resistant bacteria Pseudomonas aeruginosa for safe dermal applications. Our in vivo studies showed no significant superficial dermal irritation, edema, and erythema, while microscopic analysis revealed that surfactin-coated silver nanoparticles caused no pathological alterations at the applied concentrations. These results support the potential use of surfactin-coated silver nanoparticles against drug-resistant bacterial biofilm infections and in skin wound dressing applications.
Collapse
Affiliation(s)
- Lutfur Rahman
- National Institute for Biotechnology & Genetic Engineering College Pakistan Institute of Engineering & Applied Sciences (NIBGE-C, PIEAS), Jhang Road, Faisalabad 38000, Pakistan
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 65 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Yasra Sarwar
- National Institute for Biotechnology & Genetic Engineering College Pakistan Institute of Engineering & Applied Sciences (NIBGE-C, PIEAS), Jhang Road, Faisalabad 38000, Pakistan
| | - Shazia Khaliq
- National Institute for Biotechnology & Genetic Engineering College Pakistan Institute of Engineering & Applied Sciences (NIBGE-C, PIEAS), Jhang Road, Faisalabad 38000, Pakistan
| | - Inayatullah
- Department of Anatomy, Saidu Medical and Dental College, Saidu Sharif 19130, Mingora, Swat, Pakistan
| | - Wasim Abbas
- National Institute for Biotechnology & Genetic Engineering College Pakistan Institute of Engineering & Applied Sciences (NIBGE-C, PIEAS), Jhang Road, Faisalabad 38000, Pakistan
| | - Ameena Mobeen
- National Institute for Biotechnology & Genetic Engineering College Pakistan Institute of Engineering & Applied Sciences (NIBGE-C, PIEAS), Jhang Road, Faisalabad 38000, Pakistan
| | - Ata Ullah
- National Institute for Biotechnology & Genetic Engineering College Pakistan Institute of Engineering & Applied Sciences (NIBGE-C, PIEAS), Jhang Road, Faisalabad 38000, Pakistan
| | - Syed Zajif Hussain
- Department of Chemistry and Chemical Engineering, SBA School of Science & Engineering (SBASSE), Lahore University of Management Sciences (LUMS), DHA, Lahore Cantt 54792, Pakistan
| | - Waheed S Khan
- National Institute for Biotechnology & Genetic Engineering College Pakistan Institute of Engineering & Applied Sciences (NIBGE-C, PIEAS), Jhang Road, Faisalabad 38000, Pakistan
| | - Maria-Eleni Kyriazi
- College of Engineering and Technology, American University of the Middle East, 15453 Egaila, Kuwait
| | - Irshad Hussain
- Department of Chemistry and Chemical Engineering, SBA School of Science & Engineering (SBASSE), Lahore University of Management Sciences (LUMS), DHA, Lahore Cantt 54792, Pakistan
| | - Antonios G Kanaras
- School of Physics and Astronomy, Faculty of Engineering and Physical Sciences, University of Southampton, Southampton SO171BJ, United Kingdom
- Institute for Life Sciences, University of Southampton, Southampton SO171BJ, United Kingdom
| | - Asma Rehman
- National Institute for Biotechnology & Genetic Engineering College Pakistan Institute of Engineering & Applied Sciences (NIBGE-C, PIEAS), Jhang Road, Faisalabad 38000, Pakistan
| |
Collapse
|
22
|
Zhai YJ, Liu PY, Luo XW, Liang J, Sun YW, Cui XD, He DD, Pan YS, Wu H, Hu GZ. Analysis of Regulatory Mechanism of AcrB and CpxR on Colistin Susceptibility Based on Transcriptome and Metabolome of Salmonella Typhimurium. Microbiol Spectr 2023; 11:e0053023. [PMID: 37358428 PMCID: PMC10434024 DOI: 10.1128/spectrum.00530-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 05/26/2023] [Indexed: 06/27/2023] Open
Abstract
With the increasing and inappropriate use of colistin, the emerging colistin-resistant isolates have been frequently reported during the last few decades. Therefore, new potential targets and adjuvants to reverse colistin resistance are urgently needed. Our previous study has confirmed a marked increase of colistin susceptibility (16-fold compared to the wild-type Salmonella strain) of cpxR overexpression strain JSΔacrBΔcpxR::kan/pcpxR (simplified as JSΔΔ/pR). To searching for potential new drug targets, the transcriptome and metabolome analysis were carried out in this study. We found that the more susceptible strain JSΔΔ/pR displayed striking perturbations at both the transcriptomics and metabolomics levels. The virulence-related genes and colistin resistance-related genes (CRRGs) were significantly downregulated in JSΔΔ/pR. There were significant accumulation of citrate, α-ketoglutaric acid, and agmatine sulfate in JSΔΔ/pR, and exogenous supplement of them could synergistically enhance the bactericidal effect of colistin, indicating that these metabolites may serve as potential adjuvants for colistin therapy. Additionally, we also demonstrated that AcrB and CpxR could target the ATP and reactive oxygen species (ROS) generation, but not proton motive force (PMF) production pathway to potentiate antibacterial activity of colistin. Collectively, these findings have revealed several previously unknown mechanisms contributing to increased colistin susceptibility and identified potential targets and adjuvants for potentiating colistin treatment of Salmonella infections. IMPORTANCE Emergence of multidrug-resistant (MDR) Gram-negative (G-) bacteria have led to the reconsideration of colistin as the last-resort therapeutic option for health care-associated infections. Finding new drug targets and strategies against the spread of MDR G- bacteria are global challenges for the life sciences community and public health. In this paper, we demonstrated the more susceptibility strain JSΔΔ/pR displayed striking perturbations at both the transcriptomics and metabolomics levels and revealed several previously unknown regulatory mechanisms of AcrB and CpxR on the colistin susceptibility. Importantly, we found that exogenous supplement of citrate, α-ketoglutaric acid, and agmatine sulfate could synergistically enhance the bactericidal effect of colistin, indicating that these metabolites may serve as potential adjuvants for colistin therapy. These results provide a theoretical basis for finding potential new drug targets and adjuvants.
Collapse
Affiliation(s)
- Ya-Jun Zhai
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Pei-Yi Liu
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Xing-Wei Luo
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Jun Liang
- Zhengzhou Animal Husbandry Bureau, Zhengzhou, China
| | - Ya-Wei Sun
- Henan Institute of Science and Technology, Xinxiang, China
| | - Xiao-Die Cui
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Dan-Dan He
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Yu-Shan Pan
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Hua Wu
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Gong-Zheng Hu
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| |
Collapse
|
23
|
Cutro AC, Coria MS, Bordon A, Rodriguez SA, Hollmann A. Antimicrobial properties of the essential oil of Schinus areira (Aguaribay) against planktonic cells and biofilms of S. aureus. Arch Biochem Biophys 2023:109670. [PMID: 37336342 DOI: 10.1016/j.abb.2023.109670] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 05/30/2023] [Accepted: 06/12/2023] [Indexed: 06/21/2023]
Abstract
The essential oil (EO) of Schinus areira L. (Anacardiaceae) leaves has shown antibacterial activity against Staphylococcus aureus. In this study we aimed to unravel the mechanisms of its antibacterial action by using bacterial cells and model membranes. First, the integrity of S. aureus membrane was evaluated by fluorescence microscopy. It was observed an increase in the permeability of cells that was dependent on the EO concentration as well as the incubation time. For a deep evaluation of the action of the EO on the lipids, its effect on the membrane fluidity was evaluated on DMPC (1,2-dimyristoyl-sn-glycero-3-phosphocholine): DMPG (1,2-dimyristoyl-sn-glycero-3-phospho-1'-rac-glycerol) (5:1) liposomes by dynamic scattering light and by using Laurdan doped liposomes. The results indicate that EO produces changes in lipid membrane packing, increasing the fluidity, reducing the cooperative cohesive interaction between phospholipids and increasing access of water or the insertion of some components of the EO to the interior of the membrane. In addition, the potential effect of EO on intracellular targets, as the increase of cytosolic reactive oxygen species (ROS) and DNA damage, were evaluated. The EO was capable of increasing the production of ROS as well as inducing a partial degradation of DNA. Finally, the effect of EO on S. aureus biofilm was tested. These assays showed that EO was able to inhibit the biofilm formation, and also eradicate preformed biofilms. The results show, that the EO seems to have several bacterial targets involved in the antibacterial activity, from the bacterial membrane to DNA. Furthermore, the antibacterial action affects not only planktonic cells but also biofilms; reinforcing the potential application for this EO.
Collapse
Affiliation(s)
- Andrea C Cutro
- Laboratorio de Compuestos Bioactivos, CIBAAL, CONICET - Universidad Nacional de Santiago del Estero, Argentina; Facultad de Ciencias Médicas Universidad Nacional de Santiago del Estero, Argentina
| | - M Sumampa Coria
- INBIONATEC, CONICET- Universidad Nacional de Santiago del Estero, Argentina; Facultad de Agronomía y Agroindustrias Universidad Nacional de Santiago del Estero - CONICET, Argentina
| | - Anahi Bordon
- Laboratorio de Compuestos Bioactivos, CIBAAL, CONICET - Universidad Nacional de Santiago del Estero, Argentina
| | - Sergio A Rodriguez
- Facultad de Agronomía y Agroindustrias Universidad Nacional de Santiago del Estero - CONICET, Argentina
| | - Axel Hollmann
- Laboratorio de Compuestos Bioactivos, CIBAAL, CONICET - Universidad Nacional de Santiago del Estero, Argentina; Laboratorio de Microbiología Molecular Universidad Nacional de Quilmes, Argentina.
| |
Collapse
|
24
|
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.
Collapse
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.
| |
Collapse
|
25
|
Du SS, Luo XF, An JX, Zhang ZJ, Zhang SY, Wang YR, Ding YY, Jiang WQ, Zhang BQ, Ma Y, Zhou Y, Hu YM, Liu YQ. Exploring boron applications in modern agriculture: Antifungal activities and mechanisms of phenylboronic acid derivatives. PEST MANAGEMENT SCIENCE 2023. [PMID: 36914877 DOI: 10.1002/ps.7451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 01/30/2023] [Accepted: 03/14/2023] [Indexed: 05/06/2023]
Abstract
BACKGROUND The unreasonable use of chemical fungicides causes common adverse consequences that not only affect the environment, but also cause resistance and resurgence problems of plant pathogens, which are extremely harmful to human health, the economy, and the environment. Based on the rich biological activities of boron-based compounds, 82 phenylboronic acid derivatives were selected and their antifungal activities against six agricultural plant pathogens were determined. Combined with transcriptomics tools, the mechanism of action of compound A49 (2-chloro-5-trifluoromethoxybenzeneboronic acid) against Botrytis cinerea Pers (B. cinerea) was studied. RESULTS The EC50 values of compounds A24, A25, A30, A31, A36, A41, A49 and B23 against all six fungi were under 10 μg/mL. Compound A49 displayed significant activity against B. cinerea (EC50 = 0.39 μg/mL), which was better than that of commercial fungicide boscalid (EC50 = 0.55 μg/mL). A49 not only inhibited the germination of B. cinerea spores, but also caused abnormal cell morphology, loss of cell membrane integrity, enhanced cell membrane permeability, and accumulation of intracellular reactive oxygen species. Further findings showed that A49 reduced cellular antioxidant activity, and peroxidase and catalase activities. Transcriptomic results indicated that A49 could degrade intracellular redox processes and alter the metabolism of some amino acids. Meanwhile, A49 showed obvious activity in vivo and low cytotoxicity to mammal cells. CONCLUSION The boron-containing small molecule compounds had high efficiency and broad-spectrum antifungal activities against six plant pathogens, and are expected to be candidate compounds for a new class of antifungal drugs. © 2023 Society of Chemical Industry.
Collapse
Affiliation(s)
- Sha-Sha Du
- School of Pharmacy, Lanzhou University, Lanzhou, People's Republic of China
| | - Xiong-Fei Luo
- School of Pharmacy, Lanzhou University, Lanzhou, People's Republic of China
| | - Jun-Xia An
- School of Pharmacy, Lanzhou University, Lanzhou, People's Republic of China
- State Key Laboratory of Grassland Agroecosystems, Lanzhou University, Lanzhou, China
| | - Zhi-Jun Zhang
- School of Pharmacy, Lanzhou University, Lanzhou, People's Republic of China
| | - Shao-Yong Zhang
- Key Laboratory of Vector Biology and Pathogen Control of Zhejiang Province, College of Life Science, Huzhou University, Huzhou, China
| | - Yi-Rong Wang
- School of Pharmacy, Lanzhou University, Lanzhou, People's Republic of China
| | - Yan-Yan Ding
- School of Pharmacy, Lanzhou University, Lanzhou, People's Republic of China
| | - Wei-Qi Jiang
- School of Pharmacy, Lanzhou University, Lanzhou, People's Republic of China
| | - Bao-Qi Zhang
- School of Pharmacy, Lanzhou University, Lanzhou, People's Republic of China
| | - Yue Ma
- School of Pharmacy, Lanzhou University, Lanzhou, People's Republic of China
| | - Yong Zhou
- School of Pharmacy, Lanzhou University, Lanzhou, People's Republic of China
| | - Yong-Mei Hu
- School of Pharmacy, Lanzhou University, Lanzhou, People's Republic of China
| | - Ying-Qian Liu
- School of Pharmacy, Lanzhou University, Lanzhou, People's Republic of China
- State Key Laboratory of Grassland Agroecosystems, Lanzhou University, Lanzhou, China
- Key Laboratory of Vector Biology and Pathogen Control of Zhejiang Province, College of Life Science, Huzhou University, Huzhou, China
| |
Collapse
|
26
|
Lam PL, Gambari R, Ho YW, Wong WY, Hau DKP, Leung TWT, Leung PHM, Chui CH. Anti-methicillin resistance Staphylococcus aureus and in vitro toxicology evaluation of corilagin-loaded gelatin/agar microspheres with potential biotextile applications. Int J Biol Macromol 2023; 237:123982. [PMID: 36907297 DOI: 10.1016/j.ijbiomac.2023.123982] [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: 10/03/2022] [Revised: 02/10/2023] [Accepted: 03/05/2023] [Indexed: 03/13/2023]
Abstract
Methicillin-resistant Staphylococcus aureus (MRSA) has emerged since the early 1960s. The increasing resistance of pathogens to currently used antibiotics requires the urgent discovery of new antimicrobials effective in combating drug-resistant bacteria. From past to present, medicinal plants are useful to cure human diseases. Corilagin (β-1-O-galloyl-3,6-(R)-hexahydroxydiphenoyl-d-glucose), commonly found in Phyllanthus species, exerts potentiating effect on β-lactams against MRSA. However, its biological effect may not be fully utilized. Therefore, incorporating microencapsulation technology with the delivery of corilagin would be more effective in utilizing the potential effect on biomedical applications. This work reports the development of a safe micro-particulate system which combined agar with gelatin as wall matrix materials for topical delivery of corilagin in order to eliminate the potential toxicity of the crosslinker formaldehyde. The optimal parameters for microsphere preparation were identified and the particle size of optimal microspheres was 20.11 μm ± 3.58. Antibacterial studies revealed that micro-trapped corilagin (minimum bactericidal concentration, MBC = 0.5 mg/mL) possessed a higher potency against MRSA than free corilagin (MBC = 1 mg/mL). The in vitro skin cytotoxicity showed the safety of the corilagin-loaded microspheres for topical applications, with approximately 90 % of HaCaT cell viability. Our results demonstrated the potential of corilagin-loaded gelatin/agar microspheres for the applicable bio-textile products to treat drug-resistant bacterial infections.
Collapse
Affiliation(s)
- P-L Lam
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong, China
| | - R Gambari
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy.
| | - Y-W Ho
- Allways Health Care Medical Centre, Tsuen Wan, Hong Kong, China
| | - W-Y Wong
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong, China.
| | - D K-P Hau
- Research and Development Division, One Health International Limited, Hong Kong, China
| | - T W-T Leung
- Comprehensive Oncology Centre, 3/F, Li Shu Fan Block, Hong Kong Sanatorium & Hospital, Happy Valley, Hong Kong
| | - P H-M Leung
- Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Hong Kong, China.
| | - C-H Chui
- Research and Development Division, One Health International Limited, Hong Kong, China.
| |
Collapse
|
27
|
Soni K, Saxena S, Jain A. Deciphering mechanistic implications of antimicrobial and antioxidant potentials of certain new dibutyltin(IV) formulations as possible therapeutic options based on DFT and hybrid materials paradigm. J Biochem Mol Toxicol 2023; 37:e23276. [PMID: 36536488 DOI: 10.1002/jbt.23276] [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: 04/12/2022] [Revised: 09/02/2022] [Accepted: 12/02/2022] [Indexed: 12/24/2022]
Abstract
Mechanistic implications of antimicrobial and in vitro antioxidant potentials of a set of newly generated nonbridged mononuclear N,O-orthometallated and carboxylate bridged binuclear nonorthometallated dibutyltin(IV) formulations have been investigated. Some of these formulations were screened for their antibacterial and antifungal activities against Escherichia coli and Candida albicans, respectively whereas in vitro antioxidant potential was examined by Ferric reducing antioxidant power (FRAP) assay. Nonbridged mononuclear N,O-orthometallated dibutyltin(IV) formulations were generated by the reactions of Bu2 SnCl2 with sodium salts of 2-aminophenol/substituted 2-aminophenol and flexible N-protected amino acids in 1:1:1 molar ratio in refluxing dry THF. Plausible structures of these nonbridged mononuclear N,O-orthometallated dibutyltin(IV) formulations containing flexible N-protected amino acids have been suggested on the basis of spectroscopic and mass studies of some representative formulations. Plausible structures suggested on the basis of spectroscopic studies are corroborated by density functional theory (DFT/B3LYP method) (SPARTAN-20) investigation of a representative dibutyltin(IV) complex and the ligands involved in it. The presence of two different classes of organic ligands in this complex provides an opportunity to study optimized topologies, bonding, distortions, optimized energy, and stability of the complex.
Collapse
Affiliation(s)
- Komal Soni
- Department of Chemistry, University of Rajasthan, Jaipur, India
| | - Sanjiv Saxena
- Department of Chemistry, University of Rajasthan, Jaipur, India
| | - Asha Jain
- Department of Chemistry, University of Rajasthan, Jaipur, India
| |
Collapse
|
28
|
Tejeda C, Villegas M, Steuer P, Ulloa F, Iranzo EC, Reyes-Jara A, Salgado M. Experimental evidence of the anti-bacterial activity pathway of copper ion treatment on Mycobacterium avium subsp. paratuberculosis. Braz J Microbiol 2023; 54:407-413. [PMID: 36572823 PMCID: PMC9943822 DOI: 10.1007/s42770-022-00897-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 12/12/2022] [Indexed: 12/28/2022] Open
Abstract
Copper causes significant damage to the integrity of many bacteria, mainly at the DNA level, through its redox states, as well as its reactive oxygen species (ROS) generating capacity at the cellular level. But whether these mechanisms also apply to Mycobacterium avium subsp. paratuberculosis (MAP) is unknown. In the present study, we have evaluated whether copper ions produce damage at the DNA level of MAP, either through their redox states or through ROS production. MAP-spiked PBS was first supplemented with different copper chelators (2) and ROS antioxidants (3), followed by treatment with copper ions at 942 ppm. MAP DNA integrity (qPCR, magnetic phage separation) was then evaluated. We found that bathocuproine (BCS), as a chelator, and D-mannitol, as an antioxidant of hydroxyl radicals, had a significant protective effect (P < 0.05) on DNA molecules, and that EDTA, as a chelator, and D-mannitol, as an antioxidant had a significant positive effect (P < 0.05) on the viability of this pathogen in contrast to the control and other chelators and anti-oxidants used. In light of the reported findings, it may be concluded that copper ions within MAP cells are directly related to MAP DNA damage.
Collapse
Affiliation(s)
- Carlos Tejeda
- Instituto de Medicina Preventiva Veterinaria, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
- Escuela de Graduados, Valdivia, Chile
| | - Marcela Villegas
- Instituto de Medicina Preventiva Veterinaria, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
| | - Pamela Steuer
- Instituto de Medicina Preventiva Veterinaria, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
| | - Fernando Ulloa
- Instituto de Medicina Preventiva Veterinaria, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
- Escuela de Graduados, Valdivia, Chile
| | - Esperanza C Iranzo
- Instituto de Ciencia Animal, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
| | - Angelica Reyes-Jara
- Laboratorio de Microbiología Y Probióticos, Instituto de Nutrición Y Tecnología de los Alimentos, Universidad de Chile, Santiago, Chile
| | - Miguel Salgado
- Instituto de Medicina Preventiva Veterinaria, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile.
| |
Collapse
|
29
|
Montanhero Cabrera VI, do Nascimento Sividanes G, Quintiliano NF, Hikari Toyama M, Ghilardi Lago JH, de Oliveira MA. Exploring functional and structural features of chemically related natural prenylated hydroquinone and benzoic acid from Piper crassinervium (Piperaceae) on bacterial peroxiredoxin inhibition. PLoS One 2023; 18:e0281322. [PMID: 36827425 PMCID: PMC9956870 DOI: 10.1371/journal.pone.0281322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 01/19/2023] [Indexed: 02/26/2023] Open
Abstract
Multiple drug resistance (MDR) bacterial strains are responsible by 1.2 million of human deaths all over the world. The pathogens possess efficient enzymes which are able to mitigate the toxicity of reactive oxygen species (ROS) produced by some antibiotics and the host immune cells. Among them, the bacterial peroxiredoxin alkyl hydroperoxide reductase C (AhpC) is able to decompose efficiently several kinds of hydroperoxides. To decompose their substrates AhpC use a reactive cysteine residue (peroxidatic cysteine-CysP) that together with two other polar residues (Thr/Ser and Arg) comprise the catalytic triad of these enzymes and are involved in the substrate targeting/stabilization to allow a bimolecular nucleophilic substitution (SN2) reaction. Additionally to the high efficiency the AhpC is very abundant in the cells and present virulent properties in some bacterial species. Despite the importance of AhpC in bacteria, few studies aimed at using natural compounds as inhibitors of this class of enzymes. Some natural products were identified as human isoforms, presenting as common characteristics a bulk hydrophobic moiety and an α, β-unsaturated carbonylic system able to perform a thiol-Michael reaction. In this work, we evaluated two chemically related natural products: 1,4-dihydroxy-2-(3',7'-dimethyl-1'-oxo-2'E,6'-octadienyl) benzene (C1) and 4-hydroxy-2-(3',7'-dimethyl-1'-oxo-2'E,6'-octadienyl) benzoic acid (C2), both were isolated from branches Piper crassinervium (Piperaceae), over the peroxidase activity of AhpC from Pseudomonas aeruginosa (PaAhpC) and Staphylococcus epidermidis (SeAhpC). By biochemical assays we show that although both compounds can perform the Michael addition reaction, only compound C2 was able to inhibit the PaAhpC peroxidase activity but not SeAhpC, presenting IC50 = 20.3 μM. SDS-PAGE analysis revealed that the compound was not able to perform a thiol-Michael addition, suggesting another inhibition behavior. Using computer-assisted simulations, we also show that an acidic group present in the structure of compound C2 may be involved in the stabilization by polar interactions with the Thr and Arg residues from the catalytic triad and several apolar interactions with hydrophobic residues. Finally, C2 was not able to interfere in the peroxidase activity of the isoform Prx2 from humans or even the thiol proteins of the Trx reducing system from Escherichia coli (EcTrx and EcTrxR), indicating specificity for P. aeruginosa AhpC.
Collapse
Affiliation(s)
| | | | | | - Marcos Hikari Toyama
- Instituto de Biociências, Universidade Estadual Paulista, UNESP, São Vicente, SP, Brazil
| | - João Henrique Ghilardi Lago
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Santo André, SP, Brazil
- * E-mail: (MAO); (JHGL)
| | - Marcos Antonio de Oliveira
- Instituto de Biociências, Universidade Estadual Paulista, UNESP, São Vicente, SP, Brazil
- * E-mail: (MAO); (JHGL)
| |
Collapse
|
30
|
Bairwa P, Kumar N, Devra V, Abd-Elsalam KA. Nano-Biofertilizers Synthesis and Applications in Agroecosystems. AGROCHEMICALS 2023; 2:118-134. [DOI: 10.3390/agrochemicals2010009] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
Green chemistry and nanobiotechnology have great potential for generating new and significant products that are favorable to the environment, industry, and consumers. The nanoforms of metals and nanocomposites are more effective and efficient agents than their bulkier counterparts because of their distinctive physical, chemical, and optical properties. Green technology is a rapidly growing scientific field that has recently received attention due to its many applications. Different nanoparticle dimensions, sizes, and bioactivities will develop as a consequence of changes in the biomaterials employed for synthesis. The existing understanding of several green synthesis methods, that depend on different plant components and microorganisms for the production of nanoparticles, is summarized in the current review. Employing these materials minimizes synthesis costs while minimizing the use of hazardous chemicals and promoting “biosynthesis.” To produce metal nanoparticles efficiently, bio-reduction is influenced by the abundance of essential enzymes, proteins, and biomolecules. Rapid biosynthetic regeneration makes this characteristic sufficient for their employment in a range of situations. In this review, we explore the biosynthesis of nanomaterials and their potential in sustainable agriculture. Biosynthesized nanofertilizers, or bionanofertilizers, are a revolutionary new class of fertilizer that has been developed with the help of nanotechnology. These fertilizers offer many advantages over traditional fertilization methods and can be used to increase crop yields while reducing the environmental impact of fertilizers. Bionanofertilizer are an inexpensive way to increase plant growth and production, and to improve the use of nutrients by plants and the health of the soil. According to our survey, nanotechnology presents a wide range of prospects by offering a cutting-edge and environmentally friendly alternative in the agricultural sector.
Collapse
Affiliation(s)
- Preeti Bairwa
- Janki Devi Bajaj Government Girls College, Kota 324001, Rajasthan, India
| | - Nimish Kumar
- Janki Devi Bajaj Government Girls College, Kota 324001, Rajasthan, India
| | - Vijay Devra
- Janki Devi Bajaj Government Girls College, Kota 324001, Rajasthan, India
| | - Kamel A. Abd-Elsalam
- Plant Pathology Research Institute, Agricultural Research Center, Giza 12619, Egypt
| |
Collapse
|
31
|
Honey's Antioxidant and Antimicrobial Properties: A Bibliometric Study. Antioxidants (Basel) 2023; 12:antiox12020414. [PMID: 36829972 PMCID: PMC9952334 DOI: 10.3390/antiox12020414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 02/02/2023] [Accepted: 02/05/2023] [Indexed: 02/10/2023] Open
Abstract
Research attention has been drawn to honey's nutritional status and beneficial properties for human health. This study aimed to provide a bibliometric analysis of honey's antioxidant and antimicrobial properties. The research advancements within this field from 2001 to 2022 were addressed using the Scopus database, R, and VOSviewer. Of the 383 results, articles (273) and reviews (81) were the most common document types, while the annual growth rate of published manuscripts reached 17.5%. The most relevant topics about honey's antimicrobial and antioxidant properties were related to the agricultural and biological sciences, biochemistry, and pharmacology. According to a keyword analysis, the most frequent terms in titles, abstracts, and keywords were honey, antimicrobial, antioxidant, bee, propolis, phenolic compounds, wound, antibacterial, anti-inflammatory, and polyphenols. A trend topic analysis showed that the research agenda mainly encompassed antioxidants, pathogens, and anti-infection and chemical agents. In a co-occurrence analysis, antioxidants, anti-infection agents, and chemistry were connected to honey research. The initial research focus of this domain was primarily on honey's anti-inflammatory and antineoplastic activity, wound healing, and antibacterial agents. The research agenda was enriched in the subsequent years by pathogens, propolis, oxidative stress, and flavonoids. It was possible to pinpoint past trends and ongoing developments and provide a valuable insight into the field of honey research.
Collapse
|
32
|
Chen S, Zhu P, Mao L, Wu W, Lin H, Xu D, Lu X, Shi J. Piezocatalytic Medicine: An Emerging Frontier using Piezoelectric Materials for Biomedical Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023:e2208256. [PMID: 36634150 DOI: 10.1002/adma.202208256] [Citation(s) in RCA: 40] [Impact Index Per Article: 40.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 01/03/2023] [Indexed: 06/17/2023]
Abstract
Emerging piezocatalysts have demonstrated their remarkable application potential in diverse medical fields. In addition to their ultrahigh catalytic activities, their inherent and unique charge-carrier-releasing properties can be used to initiate various redox catalytic reactions, displaying bright prospects for future medical applications. Triggered by mechanical energy, piezocatalytic materials can release electrons/holes, catalyze redox reactions of substrates, or intervene in biological processes to promote the production of effector molecules for medical purposes, such as decontamination, sterilization, and therapy. Such a medical application of piezocatalysis is termed as piezocatalytic medicine (PCM) herein. To pioneer novel medical technologies, especially therapeutic modalities, this review provides an overview of the state-of-the-art research progress in piezocatalytic medicine. First, the principle of piezocatalysis and the preparation methodologies of piezoelectric materials are introduced. Then, a comprehensive summary of the medical applications of piezocatalytic materials in tumor treatment, antisepsis, organic degradation, tissue repair and regeneration, and biosensing is provided. Finally, the main challenges and future perspectives in piezocatalytic medicine are discussed and proposed, expecting to fuel the development of this emerging scientific discipline.
Collapse
Affiliation(s)
- Si Chen
- Shanghai Tenth People's Hospital, Clinical Center For Brain And Spinal Cord Research, Shanghai Frontiers Science Center of Nanocatalytic Medicine, The Institute for Biomedical Engineering and Nano Science, School of Medicine, Tongji University, Shanghai, 200092, P. R. China
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics Chinese Academy of Sciences Research Unit of Nanocatalytic Medicine in Specific Therapy for Serious Disease, Chinese Academy of Medical Sciences (2021RU012), Shanghai, 200050, P. R. China
| | - Piao Zhu
- Shanghai Tenth People's Hospital, Clinical Center For Brain And Spinal Cord Research, Shanghai Frontiers Science Center of Nanocatalytic Medicine, The Institute for Biomedical Engineering and Nano Science, School of Medicine, Tongji University, Shanghai, 200092, P. R. China
| | - Lijie Mao
- Shanghai Tenth People's Hospital, Clinical Center For Brain And Spinal Cord Research, Shanghai Frontiers Science Center of Nanocatalytic Medicine, The Institute for Biomedical Engineering and Nano Science, School of Medicine, Tongji University, Shanghai, 200092, P. R. China
| | - Wencheng Wu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics Chinese Academy of Sciences Research Unit of Nanocatalytic Medicine in Specific Therapy for Serious Disease, Chinese Academy of Medical Sciences (2021RU012), Shanghai, 200050, P. R. China
| | - Han Lin
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics Chinese Academy of Sciences Research Unit of Nanocatalytic Medicine in Specific Therapy for Serious Disease, Chinese Academy of Medical Sciences (2021RU012), Shanghai, 200050, P. R. China
| | - Deliang Xu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics Chinese Academy of Sciences Research Unit of Nanocatalytic Medicine in Specific Therapy for Serious Disease, Chinese Academy of Medical Sciences (2021RU012), Shanghai, 200050, P. R. China
| | - Xiangyu Lu
- Shanghai Tenth People's Hospital, Clinical Center For Brain And Spinal Cord Research, Shanghai Frontiers Science Center of Nanocatalytic Medicine, The Institute for Biomedical Engineering and Nano Science, School of Medicine, Tongji University, Shanghai, 200092, P. R. China
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics Chinese Academy of Sciences Research Unit of Nanocatalytic Medicine in Specific Therapy for Serious Disease, Chinese Academy of Medical Sciences (2021RU012), Shanghai, 200050, P. R. China
| | - Jianlin Shi
- Shanghai Tenth People's Hospital, Clinical Center For Brain And Spinal Cord Research, Shanghai Frontiers Science Center of Nanocatalytic Medicine, The Institute for Biomedical Engineering and Nano Science, School of Medicine, Tongji University, Shanghai, 200092, P. R. China
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics Chinese Academy of Sciences Research Unit of Nanocatalytic Medicine in Specific Therapy for Serious Disease, Chinese Academy of Medical Sciences (2021RU012), Shanghai, 200050, P. R. China
| |
Collapse
|
33
|
Are Reactive Oxygen Species (ROS) the Main Mechanism by Which Copper Ion Treatment Degrades the DNA of Mycobacterium avium subsp. paratuberculosis Suspended in Milk? Microorganisms 2022; 10:microorganisms10112272. [DOI: 10.3390/microorganisms10112272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 11/08/2022] [Indexed: 11/17/2022] Open
Abstract
Background: Mycobacterium avium subsp. paratuberculosis (MAP) is the causal agent of paratuberculosis. This pathogen is able to survive adverse environmental conditions, including the pasteurization process. Copper, a well-studied metal, is considered an important antibacterial tool, since it has been shown to inactivate even MAP in treated milk through unknown mechanisms. The aim of the present study is to show the effect of copper ions, and reactive oxygen species (ROS) generated in response to oxidative stress, on the damage to MAP DNA when exposed to a copper ion challenge in cow’s milk. Methodology: Spiked milk with different MAP bacterial loads was supplemented with blocking agents. These were either the copper chelators ethylenediaminetetraacetic acid (EDTA) and batocuproin (BCS) or the ROS quenchers D-mannitol, gallic acid and quercetin. The DNA protection, MAP viability and ROS production generated after exposure to a copper challenge were then measured. Results: In a bacterial load of 104 cells mL−1, blocking effects by both the copper chelators and all the ROS quenchers offered significant protection to MAP DNA. In a concentration of 102 cells mL−1, only D-mannitol and a mix of quenchers significantly protected the viability of the bacteria, and only at a concentration of 106 cells mL−1 was there a lower production of ROS when supplementing milk with gallic acid, quercetin and the mix of quenchers. Conclusion: Based on these findings, it may be concluded that MAP DNA damage can be attributed to the combined effect of the direct copper ions and ROS generated. Nevertheless, taking into account the antioxidant environment that milk provides, the direct effect of copper could play a prominent role.
Collapse
|
34
|
Wang M, Zhan X, Ma X, Wang R, Guo D, Zhang Y, Yu J, Chang Y, Lü X, Shi C. Antibacterial Activity of Thymoquinone Against Shigella flexneri and Its Effect on Biofilm Formation. Foodborne Pathog Dis 2022; 19:767-778. [PMID: 36367548 DOI: 10.1089/fpd.2022.0056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Thymoquinone (TQ) has been demonstrated to have anti-cancer, anti-inflammatory, antioxidant, and anti-diabetic activities. Shigella flexneri is the main pathogen causing shigellosis in developing countries. In this study, the antibacterial activity of TQ against S. flexneri and its possible antibacterial mechanism were studied. In addition, the inhibitory effect of TQ on the formation of S. flexneri biofilm was also investigated. The results showed that both the minimum inhibitory concentration and the minimum bactericidal concentration of TQ against S. flexneri ATCC 12022 were 0.2 mg/mL. After treatment with TQ at 0.4 mg/mL in Luria-Bertani broth for 3 h, or treatment with 0.2 mg/mL TQ in phosphate-buffered saline for 60 min, the number of S. flexneri (initial number is 6.5 log colony-forming units/mL) dropped below the detection limit. TQ also displayed good antibacterial activity in contaminated lettuce juice. TQ caused an increase in intracellular reactive oxygen species level, a decrease in intracellular adenosine triphosphate (ATP) concentration, a change in the intracellular protein, damage to cell membrane integrity and changes in cell morphology. In addition, TQ showed the ability to inhibit the formation of S. flexneri biofilm; treatment resulted in a decrease in the amount of biofilm and extracellular polysaccharides, and the destruction of biofilm structure. These findings indicated that TQ had strong antimicrobial and antibiofilm activities and a potential to be applied in the fruit and vegetable processing industry or other food industries to control S. flexneri.
Collapse
Affiliation(s)
- Muxue Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Xiangjun Zhan
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Xiao Ma
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Ruixia Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Du Guo
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Yingying Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Jiangtao Yu
- Yangling Hesheng Irradiation Technologies Co., Ltd., Yangling, China
| | - Yunhe Chang
- Food and Pharmaceutical Engineering Institute, Guiyang University, Guiyang, China
| | - Xin Lü
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Chao Shi
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| |
Collapse
|
35
|
Inhibitory effect of protocatechualdehyde on Yersinia enterocolitica and its critical virulence factors. Microb Pathog 2022; 173:105877. [DOI: 10.1016/j.micpath.2022.105877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 10/23/2022] [Accepted: 11/06/2022] [Indexed: 11/11/2022]
|
36
|
Aribisala JO, Sabiu S. Redox Impact on Bacterial Macromolecule: A Promising Avenue for Discovery and Development of Novel Antibacterials. Biomolecules 2022; 12:1545. [PMID: 36358894 PMCID: PMC9688007 DOI: 10.3390/biom12111545] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 10/20/2022] [Accepted: 10/20/2022] [Indexed: 07/30/2023] Open
Abstract
Antibiotic resistance in bacteria has remained a serious public health concern, resulting in substantial deaths and morbidity each year. Factors such as mutation and abuse of currently available antibiotics have contributed to the bulk of the menace. Hence, the introduction and implementation of new therapeutic strategies are imperative. Of these strategies, data supporting the role of reactive oxygen species (ROS) in bacterial lethality are intriguing, with several antimicrobials, including antibiotics such as fluoroquinolones, β-lactams, and aminoglycosides, as well as natural plant compounds, being remarkably implicated. Following treatment with ROS-inducing antimicrobials, ROS such as O2•-, •OH, and H2O2 generated in bacteria, which the organism is unable to detoxify, damage cellular macromolecules such as proteins, lipids, and nucleic acids and results in cell death. Despite the unique mechanism of action of ROS-inducing antibacterials and significant studies on ROS-mediated means of bacterial killing, the field remains a topical one, with contradicting viewpoints that require frequent review. Here, we appraised the antibacterial agents (antibiotics, natural and synthetic compounds) implicated in ROS generation and the safety concerns associated with their usage. Further, background information on the sources and types of ROS in bacteria, the mechanism of bacterial lethality via oxidative stress, as well as viewpoints on the ROS hypothesis undermining and solidifying this concept are discussed.
Collapse
|
37
|
Kong ASY, Maran S, Yap PSX, Lim SHE, Yang SK, Cheng WH, Tan YH, Lai KS. Anti- and Pro-Oxidant Properties of Essential Oils against Antimicrobial Resistance. Antioxidants (Basel) 2022; 11:antiox11091819. [PMID: 36139893 PMCID: PMC9495521 DOI: 10.3390/antiox11091819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 09/05/2022] [Accepted: 09/09/2022] [Indexed: 11/16/2022] Open
Abstract
The rapid evolution of antimicrobial resistance (AMR) has remained a major public health issue, reducing the efficacy of antibiotics and increasing the difficulty of treating infections. The discovery of novel antimicrobial agents is urgently needed to overcome the challenges created by AMR. Natural products such as plant extracts and essential oils (EOs) have been viewed as potential candidates to combat AMR due to their complex chemistry that carries inherent pro-oxidant and antioxidant properties. EOs and their constituents that hold pro-oxidant properties can induce oxidative stress by producing reactive oxygen species (ROS), leading to biological damage in target cells. In contrast, the antioxidant properties scavenge free radicals through offsetting ROS. Both pro-oxidant and antioxidant activities in EOs represent a promising strategy to tackle AMR. Thus, this review aimed to discuss how pro-oxidants and antioxidants in EOs may contribute to the mitigation of AMR and provided a detailed description of the challenges and limitations of utilizing them as a means to combat AMR.
Collapse
Affiliation(s)
- Amanda Shen-Yee Kong
- School of Biosciences, University of Nottingham Malaysia, Jalan Broga, Semenyih 43500, Selangor, Malaysia
| | - Sathiya Maran
- School of Pharmacy, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway 47500, Selangor Darul Ehsan, Malaysia
| | - Polly Soo-Xi Yap
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway 47500, Selangor Darul Ehsan, Malaysia
| | - Swee-Hua Erin Lim
- Health Sciences Division, Abu Dhabi Women’s College, Higher Colleges of Technology, Abu Dhabi 41012, United Arab Emirates
| | - Shun-Kai Yang
- Health Sciences Division, Abu Dhabi Women’s College, Higher Colleges of Technology, Abu Dhabi 41012, United Arab Emirates
| | - Wan-Hee Cheng
- Faculty Health and Life Sciences, INTI International University, Persiaran Perdana BBN, Putra Nilai, Nilai 71800, Negeri Sembilan, Malaysia
| | - Yong-Hui Tan
- Department of Biotechnology, Faculty of Applied Sciences, UCSI University, UCSI Heights, 1, Jalan Puncak Menara Gading, Taman Connaught, Cheras, Wilayah Persekutuan Kuala Lumpur 56000, Malaysia
| | - Kok-Song Lai
- Health Sciences Division, Abu Dhabi Women’s College, Higher Colleges of Technology, Abu Dhabi 41012, United Arab Emirates
- Correspondence:
| |
Collapse
|
38
|
Handa N, Kuda T, Yamamoto M, Takahashi H, Kimura B. In vitro anti-oxidant, anti-glycation, and bile acid-lowering capacity of chickpea milk fermented with Lactiplantibacillus pentosus Himuka-SU5 and Lactococcus lactis subsp. lactis Amami-SU1. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.05.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
|
39
|
Dong H, Huang L, Zhao L, Zeng Q, Liu X, Sheng Y, Shi L, Wu G, Jiang H, Li F, Zhang L, Guo D, Li G, Hou W, Chen H. A critical review of mineral-microbe interaction and coevolution: mechanisms and applications. Natl Sci Rev 2022; 9:nwac128. [PMID: 36196117 PMCID: PMC9522408 DOI: 10.1093/nsr/nwac128] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 06/21/2022] [Accepted: 06/28/2022] [Indexed: 11/12/2022] Open
Abstract
Abstract
The mineral-microbe interactions play important roles in environmental change, biogeochemical cycling of elements, and formation of ore deposits. Minerals provide both beneficial (physical and chemical protection, nutrients, and energy) and detrimental (toxic substances and oxidative pressure) effects to microbes, resulting in mineral-specific microbial colonization. Microbes impact dissolution, transformation, and precipitation of minerals through their activity, resulting in either genetically-controlled or metabolism-induced biomineralization. Through these interactions minerals and microbes coevolve through Earth history. The mineral-microbe interactions typically occur at microscopic scale but the effect is often manifested at global scale. Despite advances achieved through decades of research, major questions remain. Four areas are identified for future research: integrating mineral and microbial ecology, establishing mineral biosignatures, linking laboratory mechanistic investigation to field observation, and manipulating mineral-microbe interactions for the benefit of humankind.
Collapse
Affiliation(s)
- Hailiang Dong
- Center for Geomicrobiology and Biogeochemistry Research, State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences , Beijing 100083 , China
| | - Liuqin Huang
- State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences , Wuhan 430074 , China
| | - Linduo Zhao
- Illinois Sustainable Technology Center , Illinois State Water Survey, , Champaign , IL 61820 , USA
- University of Illinois at Urbana-Champaign , Illinois State Water Survey, , Champaign , IL 61820 , USA
| | - Qiang Zeng
- Center for Geomicrobiology and Biogeochemistry Research, State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences , Beijing 100083 , China
| | - Xiaolei Liu
- Center for Geomicrobiology and Biogeochemistry Research, State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences , Beijing 100083 , China
| | - Yizhi Sheng
- Center for Geomicrobiology and Biogeochemistry Research, State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences , Beijing 100083 , China
| | - Liang Shi
- State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences , Wuhan 430074 , China
| | - Geng Wu
- State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences , Wuhan 430074 , China
| | - Hongchen Jiang
- State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences , Wuhan 430074 , China
| | - Fangru Li
- Center for Geomicrobiology and Biogeochemistry Research, State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences , Beijing 100083 , China
| | - Li Zhang
- Department of Geology and Environmental Earth Science, Miami University , Oxford , OH 45056 , USA
| | - Dongyi Guo
- Center for Geomicrobiology and Biogeochemistry Research, State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences , Beijing 100083 , China
| | - Gaoyuan Li
- Center for Geomicrobiology and Biogeochemistry Research, State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences , Beijing 100083 , China
| | - Weiguo Hou
- Center for Geomicrobiology and Biogeochemistry Research, State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences , Beijing 100083 , China
| | - Hongyu Chen
- Center for Geomicrobiology and Biogeochemistry Research, State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences , Beijing 100083 , China
| |
Collapse
|
40
|
Li W, Hadjigol S, Mazo AR, Holden J, Lenzo J, Shirbin SJ, Barlow A, Shabani S, Huang T, Reynolds EC, Qiao GG, O'Brien-Simpson NM. Star-Peptide Polymers are Multi-Drug-Resistant Gram-Positive Bacteria Killers. ACS APPLIED MATERIALS & INTERFACES 2022; 14:25025-25041. [PMID: 35500245 DOI: 10.1021/acsami.1c23734] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Antibiotic resistance in bacteria, especially Gram-positive bacteria like Staphylococcus aureus, is gaining considerable momentum worldwide and unless checked will pose a global health crisis. With few new antibiotics coming on the market, there is a need for novel antimicrobial materials that target and kill multi-drug-resistant (MDR) Gram-positive pathogens like methicillin-resistant Staphylococcus aureus (MRSA). In this study, using a novel mixed-bacteria antimicrobial assay, we show that the star-peptide polymers preferentially target and kill Gram-positive pathogens including MRSA. A major effect on the activity of the star-peptide polymer was structure, with an eight-armed structure inducing the greatest bactericidal activity. The different star-peptide polymer structures were found to induce different mechanisms of bacterial death both in vitro and in vivo. These results highlight the potential utility of peptide/polymers to fabricate materials for therapeutic development against MDR Gram-positive bacterial infections.
Collapse
Affiliation(s)
- Wenyi Li
- ACTV Research Group, Melbourne Dental School, Centre for Oral Health Research, Royal Dental Hospital and The Bio21 Institute of Molecular Science and Biotechnology, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Sara Hadjigol
- ACTV Research Group, Melbourne Dental School, Centre for Oral Health Research, Royal Dental Hospital and The Bio21 Institute of Molecular Science and Biotechnology, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Alicia Rasines Mazo
- Polymer Science Group, Department of Chemical & Biomolecular Engineering, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - James Holden
- Melbourne Dental School, Centre for Oral Health Research, Royal Dental Hospital and The Bio21 Institute of Molecular Science and Biotechnology, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Jason Lenzo
- Melbourne Dental School, Centre for Oral Health Research, Royal Dental Hospital and The Bio21 Institute of Molecular Science and Biotechnology, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Steven J Shirbin
- Polymer Science Group, Department of Chemical & Biomolecular Engineering, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Anders Barlow
- Materials Characterisation and Fabrication Platform, Melbourne School of Engineering, University of Melbourne, Parkville, Victoria 3010, Australia
| | - Sadegh Shabani
- Polymer Science Group, Department of Chemical & Biomolecular Engineering, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Tao Huang
- Department of Biomedical Engineering, Melbourne School of Engineering, University of Melbourne, Parkville, Victoria 3010, Australia
| | - Eric C Reynolds
- Melbourne Dental School, Centre for Oral Health Research, Royal Dental Hospital and The Bio21 Institute of Molecular Science and Biotechnology, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Greg G Qiao
- Polymer Science Group, Department of Chemical & Biomolecular Engineering, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Neil M O'Brien-Simpson
- ACTV Research Group, Melbourne Dental School, Centre for Oral Health Research, Royal Dental Hospital and The Bio21 Institute of Molecular Science and Biotechnology, The University of Melbourne, Parkville, Victoria 3010, Australia
| |
Collapse
|
41
|
Yaakoub H, Mina S, Calenda A, Bouchara JP, Papon N. Oxidative stress response pathways in fungi. Cell Mol Life Sci 2022; 79:333. [PMID: 35648225 PMCID: PMC11071803 DOI: 10.1007/s00018-022-04353-8] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 04/21/2022] [Accepted: 05/05/2022] [Indexed: 11/03/2022]
Abstract
Fungal response to any stress is intricate, specific, and multilayered, though it employs only a few evolutionarily conserved regulators. This comes with the assumption that one regulator operates more than one stress-specific response. Although the assumption holds true, the current understanding of molecular mechanisms that drive response specificity and adequacy remains rudimentary. Deciphering the response of fungi to oxidative stress may help fill those knowledge gaps since it is one of the most encountered stress types in any kind of fungal niche. Data have been accumulating on the roles of the HOG pathway and Yap1- and Skn7-related pathways in mounting distinct and robust responses in fungi upon exposure to oxidative stress. Herein, we review recent and most relevant studies reporting the contribution of each of these pathways in response to oxidative stress in pathogenic and opportunistic fungi after giving a paralleled overview in two divergent models, the budding and fission yeasts. With the concept of stress-specific response and the importance of reactive oxygen species in fungal development, we first present a preface on the expanding domain of redox biology and oxidative stress.
Collapse
Affiliation(s)
- Hajar Yaakoub
- Univ Angers, Univ Brest, IRF, SFR ICAT, 49000, Angers, France
| | - Sara Mina
- Department of Medical Laboratory Sciences, Faculty of Health Sciences, Beirut Arab University, Beirut, Lebanon
| | | | | | - Nicolas Papon
- Univ Angers, Univ Brest, IRF, SFR ICAT, 49000, Angers, France.
| |
Collapse
|
42
|
Rocha da Silva C, Sá LGDAV, Dos Santos EV, Ferreira TL, Coutinho TDNP, Moreira LEA, de Sousa Campos R, de Andrade CR, Barbosa da Silva WM, de Sá Carneiro I, Silva J, Dos Santos HS, Marinho ES, Cavalcanti BC, de Moraes MO, Júnior HVN, Andrade Neto JB. Evaluation of the antifungal effect of chlorogenic acid against strains of Candida spp. resistant to fluconazole: apoptosis induction and in silico analysis of the possible mechanisms of action. J Med Microbiol 2022; 71. [PMID: 35575783 DOI: 10.1099/jmm.0.001526] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Introduction. Candida spp. are commensal fungal pathogens of humans, but when there is an imbalance in the microbiota, or weak host immunity, these yeasts can become pathogenic, generating high medical costs.Gap Statement. With the increase in resistance to conventional antifungals, the development of new therapeutic strategies is necessary. This study evaluated the in vitro antifungal activity of chlorogenic acid against fluconazole-resistant strains of Candida spp. Mechanism of action through flow cytometry and in silico analyses, as well as molecular docking assays with ALS3 and SAP5, important proteins in the pathogenesis of Candida albicans associated with the adhesion process and biofilm formation.Results. The chlorogenic acid showed in vitro antifungal activity against the strains tested, causing reduced cell viability, increased potential for mitochondrial depolarization and production of reactive oxygen species, DNA fragmentation and phosphatidylserine externalization, indicating an apoptotic process. Concerning the analysis through docking, the complexes formed between chlorogenic acid and the targets Thymidylate Kinase, CYP51, 1Yeast Cytochrome BC1 Complex e Exo-B-(1,3)-glucanase demonstrated more favourable binding energy. In addition, chlorogenic acid presented significant interactions with the ALS3 active site residues of C. albicans, important in the adhesion process and resistance to fluconazole. Regarding molecular docking with SAP5, no significant interactions were found between chlorogenic acid and the active site of the enzyme.Conclusion. We concluded that chlorogenic acid has potential use as an adjuvant in antifungal therapies, due to its anti-Candida activity and ability to interact with important drug targets.
Collapse
Affiliation(s)
- Cecília Rocha da Silva
- School of Pharmacy, Laboratory of Bioprospection in Antimicrobial Molecules (LABIMAN), Federal University of Ceará, Fortaleza, CE, Brazil.,Drug Research and Development Center, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Lívia Gurgel do Amaral Valente Sá
- School of Pharmacy, Laboratory of Bioprospection in Antimicrobial Molecules (LABIMAN), Federal University of Ceará, Fortaleza, CE, Brazil.,Drug Research and Development Center, Federal University of Ceará, Fortaleza, CE, Brazil.,Christus University Center (UNICHRISTUS), Fortaleza, CE, Brazil
| | | | | | | | - Lara Elloyse Almeida Moreira
- School of Pharmacy, Laboratory of Bioprospection in Antimicrobial Molecules (LABIMAN), Federal University of Ceará, Fortaleza, CE, Brazil.,Drug Research and Development Center, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Rosana de Sousa Campos
- School of Pharmacy, Laboratory of Bioprospection in Antimicrobial Molecules (LABIMAN), Federal University of Ceará, Fortaleza, CE, Brazil.,Christus University Center (UNICHRISTUS), Fortaleza, CE, Brazil
| | | | | | - Igor de Sá Carneiro
- School of Pharmacy, Laboratory of Bioprospection in Antimicrobial Molecules (LABIMAN), Federal University of Ceará, Fortaleza, CE, Brazil
| | - Jacilene Silva
- Department of Chemistry, Group of Theoretical Chemistry and Electrochemistry (GQTE), State University of Ceará, Limoeiro do Norte, Ceará, Brazil
| | - Hélcio Silva Dos Santos
- Science and Technology Centre, Course of Chemistry, State University Vale do Acaraú, Sobral, CE, Brazil
| | - Emmanuel Silva Marinho
- Department of Chemistry, Group of Theoretical Chemistry and Electrochemistry (GQTE), State University of Ceará, Limoeiro do Norte, Ceará, Brazil
| | - Bruno Coelho Cavalcanti
- Drug Research and Development Center, Federal University of Ceará, Fortaleza, CE, Brazil.,Department of Physiology and Pharmacology, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Manoel Odorico de Moraes
- Drug Research and Development Center, Federal University of Ceará, Fortaleza, CE, Brazil.,Department of Physiology and Pharmacology, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Hélio Vitoriano Nobre Júnior
- School of Pharmacy, Laboratory of Bioprospection in Antimicrobial Molecules (LABIMAN), Federal University of Ceará, Fortaleza, CE, Brazil.,Drug Research and Development Center, Federal University of Ceará, Fortaleza, CE, Brazil
| | - João Batista Andrade Neto
- School of Pharmacy, Laboratory of Bioprospection in Antimicrobial Molecules (LABIMAN), Federal University of Ceará, Fortaleza, CE, Brazil.,Drug Research and Development Center, Federal University of Ceará, Fortaleza, CE, Brazil.,Christus University Center (UNICHRISTUS), Fortaleza, CE, Brazil
| |
Collapse
|
43
|
Tewari DN, Biswas S, Chakrabarti AK, Dutta S. Viral Inactivation and Biocompatibility Study of Electrically Activated Water Mist. Microbiol Insights 2022; 15:11786361221096651. [PMID: 35591947 PMCID: PMC9112322 DOI: 10.1177/11786361221096651] [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: 11/16/2021] [Accepted: 03/28/2022] [Indexed: 11/22/2022] Open
Abstract
In addition to the ongoing global problem of healthcare-acquired infections, the COVID-19 pandemic continues to pose a serious threat to the health of the global population. This unprecedented pandemic situation has reinforced the need for the development of technologies that can curb the transmission of viruses among human beings and help to control the infection. Existing disinfection techniques using either ultraviolet light or harsh chemicals pose safety risks and are not suitable for use in the presence of humans. Thus, the need for a safe and effective disinfection technique that can be used in the presence of humans to control viral transmission is evident. A technique that can continuously disinfect air and surfaces in indoor environments, where the chances of viral transmission are high, can be an indispensable tool to fight such a pandemic. The Airlens Minus Corona (AMC) device provided by Persapien Innovations has been developed to achieve this goal. In this study, the antiviral functionality and biocompatibility of AMC were evaluated. Activated water mist (AWM) generated from this device was tested in vitro and in vivo for its toxicity to cell lines and in animal model. The AWM was found to be non-cytotoxic to L-929 cell lines and had no sign of clinical toxicity in an animal model (rabbit). This device was further used to inactivate animal viruses and bacteriophages. The AWM was found to be effective in the complete inactivation of influenza A H1N1 virus within 5 minutes of direct treatment. This device was also found to be effective in inactivating >90% of bacteriophage particles.
Collapse
Affiliation(s)
- Devendra Nath Tewari
- ICMR-National Institute of Cholera and Enteric
Diseases, Kolkata, West Bengal, India
| | - Sanjoy Biswas
- ICMR-National Institute of Cholera and Enteric
Diseases, Kolkata, West Bengal, India
| | | | - Shanta Dutta
- ICMR-National Institute of Cholera and Enteric
Diseases, Kolkata, West Bengal, India
| |
Collapse
|
44
|
Barroso FD, da Silva LJ, Sá LG, da Silva CR, Neto JB, do Nascimento FB, Queiroz HA, Leitão AC, Cabral VP, Rodrigues DS, Barbosa AD, Cavalcanti BC, Morais MO, Júnior HV. Synergistic activity of dobutamine combined with azoles and its mechanism of action against strains of Candida glabrata. Future Microbiol 2022; 17:437-448. [PMID: 35285249 DOI: 10.2217/fmb-2020-0256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aims: To evaluate the antifungal effect of dobutamine against Candida glabrata as well as its synergism with azoles and its action on biofilm. Methods: The M27-A3 protocol and flow cytometry were used for elucidation of the possible mechanism of action. Results: The tested isolates presented MICs ranging from 2 to 32 μg/ml for dobutamine, with fungistatic effect. A total of 82% of the strains showed synergism with fluconazole, with 90% showing synergism with itraconazole. The effect on biofilm formation was nonsignificant. Cytometry tests showed that dobutamine induced mitochondrial depolarization. Conclusion: Dobutamine has an antifungal effect on strains of C. glabrata and synergistic activity with azoles. This effect is probably mediated by increased oxidative damage to the membrane.
Collapse
Affiliation(s)
- Fatima Dd Barroso
- Department of Clinical and Toxicological Analysis, School of Pharmacy, Federal University of Ceará, Fortaleza, Brazil
| | - Lisandra J da Silva
- Department of Clinical and Toxicological Analysis, School of Pharmacy, Federal University of Ceará, Fortaleza, Brazil
| | - Lívia Gav Sá
- Department of Clinical and Toxicological Analysis, School of Pharmacy, Federal University of Ceará, Fortaleza, Brazil.,Faculty of Biomedicine, Unichristus University Center, Fortaleza, Brazil
| | - Cecília R da Silva
- Department of Clinical and Toxicological Analysis, School of Pharmacy, Federal University of Ceará, Fortaleza, Brazil
| | - João Ba Neto
- Department of Clinical and Toxicological Analysis, School of Pharmacy, Federal University of Ceará, Fortaleza, Brazil.,Faculty of Biomedicine, Unichristus University Center, Fortaleza, Brazil
| | - Francisca Ba do Nascimento
- Department of Clinical and Toxicological Analysis, School of Pharmacy, Federal University of Ceará, Fortaleza, Brazil
| | - Helaine A Queiroz
- Department of Clinical and Toxicological Analysis, School of Pharmacy, Federal University of Ceará, Fortaleza, Brazil
| | - Amanda C Leitão
- Department of Clinical and Toxicological Analysis, School of Pharmacy, Federal University of Ceará, Fortaleza, Brazil
| | - Vitória Pf Cabral
- Department of Clinical and Toxicological Analysis, School of Pharmacy, Federal University of Ceará, Fortaleza, Brazil
| | - Daniel S Rodrigues
- Department of Clinical and Toxicological Analysis, School of Pharmacy, Federal University of Ceará, Fortaleza, Brazil
| | - Amanda D Barbosa
- Department of Clinical and Toxicological Analysis, School of Pharmacy, Federal University of Ceará, Fortaleza, Brazil
| | - Bruno C Cavalcanti
- Drug Research and Development Center, Federal University of Ceará, Fortaleza, CE, 60430-276, Brazil
| | - Manoel O Morais
- Drug Research and Development Center, Federal University of Ceará, Fortaleza, CE, 60430-276, Brazil
| | - Hélio Vn Júnior
- Department of Clinical and Toxicological Analysis, School of Pharmacy, Federal University of Ceará, Fortaleza, Brazil
| |
Collapse
|
45
|
Sarif M, Jegel O, Gazanis A, Hartmann J, Plana-Ruiz S, Hilgert J, Frerichs H, Viel M, Panthöfer M, Kolb U, Tahir MN, Schemberg J, Kappl M, Heermann R, Tremel W. High-throughput synthesis of CeO 2 nanoparticles for transparent nanocomposites repelling Pseudomonas aeruginosa biofilms. Sci Rep 2022; 12:3935. [PMID: 35273241 PMCID: PMC8913809 DOI: 10.1038/s41598-022-07833-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 02/11/2022] [Indexed: 12/17/2022] Open
Abstract
Preventing bacteria from adhering to material surfaces is an important technical problem and a major cause of infection. One of nature's defense strategies against bacterial colonization is based on the biohalogenation of signal substances that interfere with bacterial communication. Biohalogenation is catalyzed by haloperoxidases, a class of metal-dependent enzymes whose activity can be mimicked by ceria nanoparticles. Transparent CeO2/polycarbonate surfaces that prevent adhesion, proliferation, and spread of Pseudomonas aeruginosa PA14 were manufactured. Large amounts of monodisperse CeO2 nanoparticles were synthesized in segmented flow using a high-throughput microfluidic benchtop system using water/benzyl alcohol mixtures and oleylamine as capping agent. This reduced the reaction time for nanoceria by more than one order of magnitude compared to conventional batch methods. Ceria nanoparticles prepared by segmented flow showed high catalytic activity in halogenation reactions, which makes them highly efficient functional mimics of haloperoxidase enzymes. Haloperoxidases are used in nature by macroalgae to prevent formation of biofilms via halogenation of signaling compounds that interfere with bacterial cell-cell communication ("quorum sensing"). CeO2/polycarbonate nanocomposites were prepared by dip-coating plasma-treated polycarbonate panels in CeO2 dispersions. These showed a reduction in bacterial biofilm formation of up to 85% using P. aeruginosa PA14 as model organism. Besides biofilm formation, also the production of the virulence factor pyocyanin in is under control of the entire quorum sensing systems P. aeruginosa. CeO2/PC showed a decrease of up to 55% in pyocyanin production, whereas no effect on bacterial growth in liquid culture was observed. This indicates that CeO2 nanoparticles affect quorum sensing and inhibit biofilm formation in a non-biocidal manner.
Collapse
Affiliation(s)
- Massih Sarif
- Department Chemie, Johannes Gutenberg-Universität Mainz, Duesbergweg 10-14, 55128, Mainz, Germany
| | - Olga Jegel
- Department Chemie, Johannes Gutenberg-Universität Mainz, Duesbergweg 10-14, 55128, Mainz, Germany
| | - Athanasios Gazanis
- Institut Für Molekulare Physiologie, Mikrobiologie und Biotechnologie, Johannes-Gutenberg-Universität Mainz, Hanns-Dieter-Hüsch-Weg 17, 55128, Mainz, Germany
| | - Jens Hartmann
- Department Chemie, Johannes Gutenberg-Universität Mainz, Duesbergweg 10-14, 55128, Mainz, Germany
| | - Sergi Plana-Ruiz
- Department Chemie, Johannes Gutenberg-Universität Mainz, Duesbergweg 10-14, 55128, Mainz, Germany
- Department of Materials and Geoscience, Technical University Darmstadt, Petersenstrasse 23, 64287, Darmstadt, Germany
| | - Jan Hilgert
- Department Chemie, Johannes Gutenberg-Universität Mainz, Duesbergweg 10-14, 55128, Mainz, Germany
| | - Hajo Frerichs
- Department Chemie, Johannes Gutenberg-Universität Mainz, Duesbergweg 10-14, 55128, Mainz, Germany
| | - Melanie Viel
- Department Chemie, Johannes Gutenberg-Universität Mainz, Duesbergweg 10-14, 55128, Mainz, Germany
| | - Martin Panthöfer
- Department Chemie, Johannes Gutenberg-Universität Mainz, Duesbergweg 10-14, 55128, Mainz, Germany
| | - Ute Kolb
- Department Chemie, Johannes Gutenberg-Universität Mainz, Duesbergweg 10-14, 55128, Mainz, Germany
- Department of Materials and Geoscience, Technical University Darmstadt, Petersenstrasse 23, 64287, Darmstadt, Germany
| | - Muhammad Nawaz Tahir
- Chemistry Department, King Fahd University of Petroleum and Materials, Dhahran, 31261, Saudi Arabia
- Interdisciplinary Research Center for Hydrogen and Energy Storage (IRC-HES), King Fahd University of Petroleum and & Minerals, Dhahran, 31261, Saudi Arabia
| | - Jörg Schemberg
- Institut Für Bioprozess-Und Analysenmesstechnik E.V., Rosenhof, 37308, Heilbad Heiligenstadt, Germany
| | - Michael Kappl
- Max-Planck-Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Ralf Heermann
- Institut Für Molekulare Physiologie, Mikrobiologie und Biotechnologie, Johannes-Gutenberg-Universität Mainz, Hanns-Dieter-Hüsch-Weg 17, 55128, Mainz, Germany.
| | - Wolfgang Tremel
- Department Chemie, Johannes Gutenberg-Universität Mainz, Duesbergweg 10-14, 55128, Mainz, Germany.
| |
Collapse
|
46
|
Reinhard BM. Plasmonic Enhancement Strategies for Light-Driven Microbe Inactivation. THE JOURNAL OF PHYSICAL CHEMISTRY. C, NANOMATERIALS AND INTERFACES 2022; 126:2325-2335. [PMID: 36313122 PMCID: PMC9611023 DOI: 10.1021/acs.jpcc.1c09951] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Light can be an effective antimicrobial. UV-C light, in particular, is now commonly used to sterilize inanimate surfaces, water, and even air. Highly energetic light can, however, also lead to unwanted photodamage and be hazardous. Consequently, conventional light-mediated microbe inactivation is not suitable for all applications. Plasmonic nanostructures can enhance electromagnetic fields in the visible range of the electromagnetic spectrum and show unique light-induced responses that can drive strong antimicrobial effects even for wavelengths that without plasmonic enhancement have little to no antimicrobial impact. Plasmonic nanostructures offer thus a potential strategy to expand the antimicrobial effect of light to wavelength and intensity ranges in which light-associated collateral damages are lower. This Perspective examines selected plasmon-enhanced antimicrobial strategies, elucidates the underlying physico-chemical mechanisms, and discusses applications.
Collapse
Affiliation(s)
- Björn M. Reinhard
- Department of Chemistry, Boston University, Boston, MA 02215, United States
- The Photonics Center, Boston University, Boston, MA 02215, United States
| |
Collapse
|
47
|
Sun L, Sun L, Li X, Hu X, Wang X, Nie T, Zhang Y, You X. A Novel Tigecycline Adjuvant ML-7 Reverses the Susceptibility of Tigecycline-Resistant Klebsiella pneumoniae. Front Cell Infect Microbiol 2022; 11:809542. [PMID: 35071055 PMCID: PMC8766836 DOI: 10.3389/fcimb.2021.809542] [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: 11/05/2021] [Accepted: 12/09/2021] [Indexed: 12/01/2022] Open
Abstract
The increasing incidence of tigecycline resistance undoubtedly constitutes a serious threat to global public health. The combination therapies had become the indispensable strategy against this threat. Herein, 11 clinical tigecycline-resistant Klebsiella pneumoniae which mainly has mutations in ramR, acrR, or macB were collected for tigecycline adjuvant screening. Interestingly, ML-7 hydrochloride (ML-7) dramatically potentiated tigecycline activity. We further picked up five analogs of ML-7 and evaluated their synergistic activities with tigecycline by using checkerboard assay. The results revealed that ML-7 showed certain synergy with tigecycline, while other analogs exerted attenuated synergistic effects among tigecycline-resistant isolates. Thus, ML-7 was selected for further investigation. The results from growth curves showed that ML-7 combined with tigecycline could completely inhibit the growth of bacteria, and the time-kill analysis revealed that the combination exhibited synergistic bactericidal activities for tigecycline-resistant isolates during 24 h. The ethidium bromide (EtBr) efflux assay demonstrated that ML-7 could inhibit the functions of efflux pump. Besides, ML-7 disrupted the proton motive force (PMF) via increasing ΔpH, which in turn lead to the inhibition of the functions of efflux pump, reduction of intracellular ATP levels, as well as accumulation of ROS. All of which promoted the death of bacteria. And further transcriptomic analysis revealed that genes related to the mechanism of ML-7 mainly enriched in ABC transporters. Taken together, these results revealed the potential of ML-7 as a novel tigecycline adjuvant to circumvent tigecycline-resistant Klebsiella pneumoniae.
Collapse
Affiliation(s)
- Lilan Sun
- Beijing Key Laboratory of Antimicrobial Agents, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Lang Sun
- Beijing Key Laboratory of Antimicrobial Agents, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Xue Li
- Beijing Key Laboratory of Antimicrobial Agents, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Xinxin Hu
- Beijing Key Laboratory of Antimicrobial Agents, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Xiukun Wang
- Beijing Key Laboratory of Antimicrobial Agents, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Tongying Nie
- Beijing Key Laboratory of Antimicrobial Agents, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Youwen Zhang
- Beijing Key Laboratory of Antimicrobial Agents, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Xuefu You
- Beijing Key Laboratory of Antimicrobial Agents, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| |
Collapse
|
48
|
Wurster JI, Peterson RL, Brown CE, Penumutchu S, Guzior DV, Neugebauer K, Sano WH, Sebastian MM, Quinn RA, Belenky P. Streptozotocin-induced hyperglycemia alters the cecal metabolome and exacerbates antibiotic-induced dysbiosis. Cell Rep 2021; 37:110113. [PMID: 34910917 PMCID: PMC8722030 DOI: 10.1016/j.celrep.2021.110113] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 10/08/2021] [Accepted: 11/18/2021] [Indexed: 01/02/2023] Open
Abstract
It is well established in the microbiome field that antibiotic (ATB) use and metabolic disease both impact the structure and function of the gut microbiome. But how host and microbial metabolism interacts with ATB susceptibility to affect the resulting dysbiosis remains poorly understood. In a streptozotocin-induced model of hyperglycemia (HG), we use a combined metagenomic, metatranscriptomic, and metabolomic approach to profile changes in microbiome taxonomic composition, transcriptional activity, and metabolite abundance both pre- and post-ATB challenge. We find that HG impacts both microbiome structure and metabolism, ultimately increasing susceptibility to amoxicillin. HG exacerbates drug-induced dysbiosis and increases both phosphotransferase system activity and energy catabolism compared to controls. Finally, HG and ATB co-treatment increases pathogen susceptibility and reduces survival in a Salmonella enterica infection model. Our data demonstrate that induced HG is sufficient to modify the cecal metabolite pool, worsen the severity of ATB dysbiosis, and decrease colonization resistance.
Collapse
Affiliation(s)
- Jenna I Wurster
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI 02906, USA
| | - Rachel L Peterson
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI 02906, USA
| | - Claire E Brown
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI 02906, USA
| | - Swathi Penumutchu
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI 02906, USA
| | - Douglas V Guzior
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI 48824, USA; Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48824, USA
| | - Kerri Neugebauer
- Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48824, USA
| | - William H Sano
- Department of Biology, University of Washington, Seattle, WA 98195, USA
| | - Manu M Sebastian
- Department of Epigenetics and Molecular Carcinogenesis, Division of Basic Science Research, The University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA
| | - Robert A Quinn
- Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48824, USA
| | - Peter Belenky
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI 02906, USA.
| |
Collapse
|
49
|
Nolan C, Behrends V. Sub-Inhibitory Antibiotic Exposure and Virulence in Pseudomonas aeruginosa. Antibiotics (Basel) 2021; 10:antibiotics10111393. [PMID: 34827331 PMCID: PMC8615142 DOI: 10.3390/antibiotics10111393] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 11/09/2021] [Accepted: 11/10/2021] [Indexed: 12/20/2022] Open
Abstract
Pseudomonas aeruginosa is a prime opportunistic pathogen, one of the most important causes of hospital-acquired infections and the major cause of morbidity and mortality in cystic fibrosis lung infections. One reason for the bacterium's pathogenic success is the large array of virulence factors that it can employ. Another is its high degree of intrinsic and acquired resistance to antibiotics. In this review, we first summarise the current knowledge about the regulation of virulence factor expression and production. We then look at the impact of sub-MIC antibiotic exposure and find that the virulence-antibiotic interaction for P. aeruginosa is antibiotic-specific, multifaceted, and complex. Most studies undertaken to date have been in vitro assays in batch culture systems, involving short-term (<24 h) antibiotic exposure. Therefore, we discuss the importance of long-term, in vivo-mimicking models for future work, particularly highlighting the need to account for bacterial physiology, which by extension governs both virulence factor expression and antibiotic tolerance/resistance.
Collapse
|
50
|
Direct and Indirect Genotoxicity of Graphene Family Nanomaterials on DNA-A Review. NANOMATERIALS 2021; 11:nano11112889. [PMID: 34835652 PMCID: PMC8625643 DOI: 10.3390/nano11112889] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 10/17/2021] [Accepted: 10/21/2021] [Indexed: 12/18/2022]
Abstract
Graphene family nanomaterials (GFNs), including graphene, graphene oxide (GO), reduced graphene oxide (rGO), and graphene quantum dots (GQDs), have manifold potential applications, leading to the possibility of their release into environments and the exposure to humans and other organisms. However, the genotoxicity of GFNs on DNA remains largely unknown. In this review, we highlight the interactions between DNA and GFNs and summarize the mechanisms of genotoxicity induced by GFNs. Generally, the genotoxicity can be sub-classified into direct genotoxicity and indirect genotoxicity. The direct genotoxicity (e.g., direct physical nucleus and DNA damage) and indirect genotoxicity mechanisms (e.g., physical destruction, oxidative stress, epigenetic toxicity, and DNA replication) of GFNs were summarized in the manuscript, respectively. Moreover, the influences factors, such as physicochemical properties, exposure dose, and time, on the genotoxicity of GFNs are also briefly discussed. Given the important role of genotoxicity in GFNs exposure risk assessment, future research should be conducted on the following: (1) developing reliable testing methods; (2) elucidating the response mechanisms associated with genotoxicity in depth; and (3) enriching the evaluation database regarding the type of GFNs, applied dosages, and exposure times.
Collapse
|