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Norouzi H, Dastan D, Abdullah FO, Al-Qaaneh AM. Recent advances in methods of extraction, pre-concentration, purification, identification, and quantification of kaempferol. J Chromatogr A 2024; 1735:465297. [PMID: 39243588 DOI: 10.1016/j.chroma.2024.465297] [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: 04/17/2024] [Revised: 08/21/2024] [Accepted: 08/22/2024] [Indexed: 09/09/2024]
Abstract
As a naturally widely-occurring dietary, cosmetic, and therapeutic flavonoid, kaempferol has gained much consideration for its nutritional and pharmaceutical properties in recent years. Although there have been performed a high number of studies associated with different aspects of kaempferol's analytical investigations, the lack of a comprehensive summary of the various methods and other plant sources that have been reported for this compound is being felt, especially for many biological applications. This study, aimed to provide a detailed compilation consisting of sources (plant species) and analytical information that was precisely related to the natural flavonoid (kaempferol). There is a trend in analytical research that supports the application of modern eco-friendly instruments and methods. In conclusion, ultrasound-assisted extraction (UAE) is the most general advanced method used widely today for the extraction of kaempferol. During recent years, there is an increasing tendency towards the identification of kaempferol by different methods.
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Affiliation(s)
- Hooman Norouzi
- Department of Botany, University of Innsbruck, Sternwartestraße 15, 6020 Innsbruck, Austria
| | - Dara Dastan
- Department of Pharmacognosy, School of Pharmacy, Medicinal Plants and Natural Products Research Center, Hamadan University of Medical Sciences, Hamadan, Iran.
| | - Fuad O Abdullah
- Department of Chemistry, College of Science, Salahaddin University-Erbil, Erbil, Iraq; Department of Pharmacognosy, Faculty of Pharmacy, Tishk International University, Erbil, Iraq.
| | - Ayman M Al-Qaaneh
- Department of Allied Health Sciences, Al-Balqa Applied University (BAU), Al-Salt 19117 Jordan
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2
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Vadakkan K, Sathishkumar K, Mapranathukaran VO, Ngangbam AK, Nongmaithem BD, Hemapriya J, Nair JB. Critical review on plant-derived quorum sensing signaling inhibitors in pseudomonas aeruginosa. Bioorg Chem 2024; 151:107649. [PMID: 39029321 DOI: 10.1016/j.bioorg.2024.107649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2024] [Revised: 06/21/2024] [Accepted: 07/14/2024] [Indexed: 07/21/2024]
Abstract
Pseudomonas aeruginosa, a biofilm-forming organism with complex quorum mechanisms (Las, Rhl, PQS, and IQS), poses an imminent danger to the healthcare sector and renders current treatment options for chemotherapy ineffectual. The pathogen's diverse pathogenicity, antibiotic resistance, and biofilms make it difficult to eradicate it effectively. Quorum sensing, a complex system reliant on cell density, controls P. aeruginosa's pathogenesis. Quorum-sensing genes are key components of P. aeruginosa's pathogenic arsenal, and their expression determines how severe the spread of infection becomes. Over the past ten years, there has been a noticeable increase in the quest for and development of new antimicrobial medications. Quorum sensing may be an effective treatment for infections triggered by bacteria. Introducing quorum-sensing inhibitors as an anti-virulent strategy might be an intriguing therapeutic method that can be effectively employed along with current medications. Amongst the several speculated processes, a unique anti-virulence strategy using anti-quorum sensing and antibiofilm medications for targeting pseudomonal infestations seems to be at the forefront. Due to their noteworthy quorum quenching capabilities, biologically active phytochemicals have become more well-known in the realm of science in this context. Recent research showed how different phytochemical quorum quenching actions affect P. aeruginosa's QS-dependent pathogenicity. This review focuses on the most current data supporting the implementation of plant bio-actives to treat P.aeruginosa-associated diseases, as well as the benefits and future recommendationsof employing them in anti-virulence therapies as a supplementary drug development approach towards conventional antibiotic approaches.
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Affiliation(s)
- Kayeen Vadakkan
- Department of Biotechnology, St. Mary's College (Autonomous), Thrissur, Kerala 680020, India; Manipur International University, Imphal, Manipur 795140, India.
| | - Kuppusamy Sathishkumar
- Center for Global Health Research, Saveetha Medical College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Thandalam, Chennai, Tamil Nadu 602105, India
| | | | | | | | - Janarthanam Hemapriya
- Department of Microbiology, DKM College for Women, Vellore, Tamil Nadu 632001, India
| | - Jyotsna B Nair
- Department of Biotechnology, JDT Islam College of Arts and Science, Vellimadukunnu, Kozhikode, Kerala 673012, India
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3
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Elfaky MA. Unveiling the hidden language of bacteria: anti-quorum sensing strategies for gram-negative bacteria infection control. Arch Microbiol 2024; 206:124. [PMID: 38409503 DOI: 10.1007/s00203-024-03900-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 02/04/2024] [Accepted: 02/16/2024] [Indexed: 02/28/2024]
Abstract
Quorum sensing (QS) is a communication mechanism employed by many bacteria to regulate gene expression in a population density-dependent manner. It plays a crucial role in coordinating various bacterial behaviors, including biofilm formation, virulence factor production, and antibiotic resistance. However, the dysregulation of QS can lead to detrimental effects, making it an attractive target for developing novel therapeutic strategies. Anti-QS approaches aim to interfere with QS signaling pathways, inhibiting the communication between bacteria, and disrupting their coordinated activities. Various strategies have been explored to achieve this goal. Advances in understanding QS mechanisms and the discovery of new targets have paved the way for the development of innovative anti-QS approaches. Combining multiple anti-QS strategies or utilizing them in combination with traditional antibiotics holds great promise for combating bacterial infections and addressing the challenges posed by antibiotic resistance. Anti-QS approaches offer a diverse range of strategies including natural compounds, antibody-mediated quorum quenching (QQ), computer-aided drug design for QQ, repurposing of Drugs approved by FDA as anti-QS agents and modulating quorum-sensing molecules which were discussed in detail in this review. This review, comprehensively and for the first time, sheds light on the significance of diverse anti-QS strategies in solving antimicrobial resistance problem in Gram-negative microbial infection.
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Affiliation(s)
- Mahmoud A Elfaky
- Department of Natural Products, Faculty of Pharmacy, King Abdulaziz University, Jeddah, 21589, Saudi Arabia.
- Centre for Artificial Intelligence in Precision Medicines, King Abdulaziz University, Jeddah, 21589, Saudi Arabia.
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Lu L, Wang J, Wang C, Zhu J, Wang H, Liao L, Zhao Y, Wang X, Yang C, He Z, Li M. Plant-derived virulence arresting drugs as novel antimicrobial agents: Discovery, perspective, and challenges in clinical use. Phytother Res 2024; 38:727-754. [PMID: 38014754 DOI: 10.1002/ptr.8072] [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: 06/21/2023] [Revised: 09/23/2023] [Accepted: 11/05/2023] [Indexed: 11/29/2023]
Abstract
Antimicrobial resistance (AMR) emerges as a severe crisis to public health and requires global action. The occurrence of bacterial pathogens with multi-drug resistance appeals to exploring alternative therapeutic strategies. Antivirulence treatment has been a positive substitute in seeking to circumvent AMR, which aims to target virulence factors directly to combat bacterial infections. Accumulated evidence suggests that plant-derived natural products, which have been utilized to treat infectious diseases for centuries, can be abundant sources for screening potential virulence-arresting drugs (VADs) to develop advanced therapeutics for infectious diseases. This review sums up some virulence factors and their actions in various species of bacteria, as well as recent advances pertaining to plant-derived natural products as VAD candidates. Furthermore, we also discuss natural VAD-related clinical trials and patents, the perspective of VAD-based advanced therapeutics for infectious diseases and critical challenges hampering clinical use of VADs, and genomics-guided identification for VAD therapeutic. These newly discovered natural VADs will be encouraging and optimistic candidates that may sustainably combat AMR.
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Affiliation(s)
- Lan Lu
- Key Laboratory of Medicinal and Edible Plants Resources Development of Sichuan Education Department, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu, Sichuan, P.R. China
| | - Jingya Wang
- Key Laboratory of Medicinal and Edible Plants Resources Development of Sichuan Education Department, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu, Sichuan, P.R. China
| | - Chongrui Wang
- Faculty of Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, P.R. China
| | - Jie Zhu
- Key Laboratory of Medicinal and Edible Plants Resources Development of Sichuan Education Department, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu, Sichuan, P.R. China
| | - Hongping Wang
- Safety Evaluation Center, Sichuan Institute for Drug Control (Sichuan Testing Center of Medical Devices), Chengdu, Sichuan, P.R. China
| | - Li Liao
- Key Laboratory of Medicinal and Edible Plants Resources Development of Sichuan Education Department, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu, Sichuan, P.R. China
| | - Yuting Zhao
- Key Laboratory of Medicinal and Edible Plants Resources Development of Sichuan Education Department, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu, Sichuan, P.R. China
| | - Xiaobo Wang
- Department of Hepatobiliary Surgery, Langzhong People's Hospital, Langzhong, Sichuan, P.R. China
| | - Chen Yang
- Key Laboratory of Medicinal and Edible Plants Resources Development of Sichuan Education Department, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu, Sichuan, P.R. China
| | - Zhengyou He
- Key Laboratory of Medicinal and Edible Plants Resources Development of Sichuan Education Department, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu, Sichuan, P.R. China
| | - Mingxing Li
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China
- Cell Therapy & Cell Drugs of Luzhou Key Laboratory, Luzhou, Sichuan, China
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Khammassi M, Amato G, Caputo L, Nazzaro F, Fratianni F, Kouki H, Amri I, Hamrouni L, De Feo V. Fatty Acid Profiles and Biological Activities of the Vegetable Oils of Argania spinosa, Pinus halepensis and Pistacia atlantica Grown in Tunisia: A Preliminary Study. Molecules 2023; 29:160. [PMID: 38202742 PMCID: PMC10779628 DOI: 10.3390/molecules29010160] [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: 11/22/2023] [Revised: 12/21/2023] [Accepted: 12/25/2023] [Indexed: 01/12/2024] Open
Abstract
Several foods are used in both the nutraceutical and health sectors; vegetable oils, for example, can prevent the onset of numerous diseases. The properties of these oils are related to their chemical composition and primarily to the presence of fatty acids. The present work aimed to determine the chemical profiles of Argania spinosa, Pinus halepensis, and Pistacia altantica oils, used in traditional Tunisian foods, and to evaluate some biological properties. We evaluated their antioxidant, anti-enzymatic, antimicrobial, and anti-inflammatory properties. Linoleic acid was the main component of the three oils. P. atlantica oil showed more significant inhibitory activity against the enzymes studied than A. spinosa and P. halepensis. All three oils showed similar antioxidant and anti-inflammatory activity. Furthermore, A. spinosa and P. halepensis oils showed antibiofilm activity against P. aeruginosa, with 30-40% inhibition. These results focus on the possible use of these oils in the nutraceutical and healthcare sectors.
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Affiliation(s)
- Marwa Khammassi
- Laboratory of Management and Valorization of Forest Resources, National Institute of Research on Rural Engineering, Water, and Forests, Ariana 2080, Tunisia; (M.K.); (I.A.); (L.H.)
| | - Giuseppe Amato
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Italy; (G.A.); (V.D.F.)
| | - Lucia Caputo
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Italy; (G.A.); (V.D.F.)
| | - Filomena Nazzaro
- Institute of Food Science, National Research Council, Via Roma, 83100 Avellino, Italy; (F.N.); (F.F.)
| | - Florinda Fratianni
- Institute of Food Science, National Research Council, Via Roma, 83100 Avellino, Italy; (F.N.); (F.F.)
| | - Habiba Kouki
- Laboratory of Biotechnology and Nuclear Technology, National Center of Nuclear Science and Technology, Sidi Thabet, Ariana 2020, Tunisia;
| | - Ismail Amri
- Laboratory of Management and Valorization of Forest Resources, National Institute of Research on Rural Engineering, Water, and Forests, Ariana 2080, Tunisia; (M.K.); (I.A.); (L.H.)
- Laboratory of Biotechnology and Nuclear Technology, National Center of Nuclear Science and Technology, Sidi Thabet, Ariana 2020, Tunisia;
| | - Lamia Hamrouni
- Laboratory of Management and Valorization of Forest Resources, National Institute of Research on Rural Engineering, Water, and Forests, Ariana 2080, Tunisia; (M.K.); (I.A.); (L.H.)
| | - Vincenzo De Feo
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Italy; (G.A.); (V.D.F.)
- Institute of Food Science, National Research Council, Via Roma, 83100 Avellino, Italy; (F.N.); (F.F.)
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6
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Alavi M, Li L, Nokhodchi A. Metal, metal oxide and polymeric nanoformulations for the inhibition of bacterial quorum sensing. Drug Discov Today 2023; 28:103392. [PMID: 36208725 DOI: 10.1016/j.drudis.2022.103392] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 08/18/2022] [Accepted: 09/29/2022] [Indexed: 01/09/2023]
Abstract
Antibiotic resistance of bacteria has caused a significant public health challenge and economic problem, resulting in a necessity to find efficient antibacterial agents. Conventional bactericidal agents hinder the growth of bacteria by slowing down the cell wall synthesis or disturbing bacterial DNA replication, protein production or other bacterial cellular metabolism that can augment natural selection pressure for turning up new antibiotic-resistant strains. Virulence properties and biofilm formation of bacteria are orchestrated by quorum-sensing systems. These quorum-sensing systems normally control antimicrobial production; and targeting these systems using metal-based nanoparticles or polymeric nanoparticles can be considered as powerful antibacterial treatments owing to their specific physicochemical and therapeutic properties. In this review, recent advances and challenges related to the inactivation of quorum-sensing systems by these nanoparticles are presented to obtain comprehensive viewpoints for future studies.
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Affiliation(s)
- Mehran Alavi
- Nanobiotechnology Department, Faculty of Innovative Science and Technology, Razi University, Kermanshah, Iran.
| | - Li Li
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Ali Nokhodchi
- Pharmaceutics Research Laboratory, Arundel Building, School of Life Sciences, University of Sussex, Brighton BN1 9QJ, UK; Lupin Pharmaceuticals Research Center, Coral Springs, 4006 NW 124th Ave, Florida 33065, USA.
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7
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Wang W, Lin X, Yang H, Huang X, Pan L, Wu S, Yang C, Zhang L, Li Y. Anti-quorum sensing evaluation of methyleugenol, the principal bioactive component, from the Melaleuca bracteata leaf oil. Front Microbiol 2022; 13:970520. [PMID: 36118239 PMCID: PMC9477228 DOI: 10.3389/fmicb.2022.970520] [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: 06/16/2022] [Accepted: 07/25/2022] [Indexed: 11/13/2022] Open
Abstract
Quorum sensing (QS) is a cell-to-cell communication in bacteria that couples gene expression through the accumulation of signaling molecules, which finally induce the production of several virulence factors and modulate bacterial behaviors. Plants have evolved an array of quorum sensing inhibitors (QSIs) to inhibit the pathogens, of which aromatic compounds are widely recognized. The essential oil of Melaleuca bracteata was found to exhibit anti-quorum sensing activity, and its principal bioactive component, methyleugenol (ME), had been isolated in our previous study. Here, ME interfered effectively with the QS-regulated processes of toxin secretion in Chomobacterium violaceum ATCC31532, resulting in strong inhibition of QS genes, cviR, cviI, vioA-E, hmsHNR, lasA-B, pilE1-3, and hcnABC, leading to impaired virulence, including violacein production, biofilm biomass, and swarming motility. The accumulation of the signal molecule (N-hexanoyl-DL-homoserine lactone, C6-HSL) in C. violaceum declined upon treatment with ME, suggesting an inhibition effect on the C6-HSL production, and the ME was also capable of degrading the C6-HSL in vitro assay. Molecular docking technique and the consumption change of exogenous C6-HSL in C. violaceum CV026 revealed the anti-QS mechanism of ME consisted of inhibition of C6-HSL production, potentially via interaction with CviR and/or CviI protein. Collectively, the isolated ME, the principal active components of M. bracteata EO, exhibited a wide range of inhibition processes targeting C. violaceum QS system, which supports the potential anti-pathogenic use of M. bracteata EO and ME for treatment of pathogen contamination caused by bacterial pathogens.
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Affiliation(s)
- Wenting Wang
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou, China
- Institute of Natural Products of Horticultural Plants, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Xiaojie Lin
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou, China
- Institute of Natural Products of Horticultural Plants, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Huixiang Yang
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou, China
- Institute of Natural Products of Horticultural Plants, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Xiaoqin Huang
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou, China
- Institute of Natural Products of Horticultural Plants, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Lei Pan
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou, China
- Institute of Natural Products of Horticultural Plants, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Shaohua Wu
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou, China
- Institute of Natural Products of Horticultural Plants, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Chao Yang
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou, China
- Institute of Natural Products of Horticultural Plants, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Liaoyuan Zhang
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
- *Correspondence: Liaoyuan Zhang,
| | - Yongyu Li
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou, China
- Institute of Natural Products of Horticultural Plants, Fujian Agriculture and Forestry University, Fuzhou, China
- Yongyu Li,
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8
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Li Y, Feng T, Wang Y. The role of bacterial signaling networks in antibiotics response and resistance regulation. MARINE LIFE SCIENCE & TECHNOLOGY 2022; 4:163-178. [PMID: 37073223 PMCID: PMC10077285 DOI: 10.1007/s42995-022-00126-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 01/07/2022] [Indexed: 05/03/2023]
Abstract
Excessive use of antibiotics poses a threat to public health and the environment. In ecosystems, such as the marine environment, antibiotic contamination has led to an increase in bacterial resistance. Therefore, the study of bacterial response to antibiotics and the regulation of resistance formation have become an important research field. Traditionally, the processes related to antibiotic responses and resistance regulation have mainly included the activation of efflux pumps, mutation of antibiotic targets, production of biofilms, and production of inactivated or passivation enzymes. In recent years, studies have shown that bacterial signaling networks can affect antibiotic responses and resistance regulation. Signaling systems mostly alter resistance by regulating biofilms, efflux pumps, and mobile genetic elements. Here we provide an overview of how bacterial intraspecific and interspecific signaling networks affect the response to environmental antibiotics. In doing so, this review provides theoretical support for inhibiting bacterial antibiotic resistance and alleviating health and ecological problems caused by antibiotic contamination.
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Affiliation(s)
- Yuying Li
- College of Marine Life Sciences, Ocean University of China, Qingdao, 266003 China
- Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao, 266003 China
| | - Tao Feng
- College of Marine Life Sciences, Ocean University of China, Qingdao, 266003 China
- Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao, 266003 China
| | - Yan Wang
- College of Marine Life Sciences, Ocean University of China, Qingdao, 266003 China
- Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao, 266003 China
- Laboratory for Marine Ecology and Environmental Science, National Laboratory for Marine Science and Technology (Qingdao), Qingdao, 266071 China
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9
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Peerzada Z, Kanhed AM, Desai KB. Effects of active compounds from Cassia fistula on quorum sensing mediated virulence and biofilm formation in Pseudomonas aeruginosa. RSC Adv 2022; 12:15196-15214. [PMID: 35693228 PMCID: PMC9116959 DOI: 10.1039/d1ra08351a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Accepted: 04/05/2022] [Indexed: 11/21/2022] Open
Abstract
Pseudomonas aeruginosa infections are attributed to its ability to form biofilms and are difficult to eliminate with antibiotic treatment.
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Affiliation(s)
- Zoya Peerzada
- Sunandan Divatia School of Science, SVKM'S NMIMS (Deemed to be University), Mumbai-400056, India
| | - Ashish M. Kanhed
- Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, SVKM's NMIMS University, Mumbai-400056, India
| | - Krutika B. Desai
- SVKM's Mithibai College of Arts, Chauhan Institute of Science, Amrutben Jivanlal College of Commerce and Economics, Mumbai, 400056, India
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Koley TK, Khan Z, Oulkar D, Banerjee T, Singh A, Karkute SG, Banerjee K. Coupling the high-resolution LC-MS characterisation of the phenolic compounds with the antimicrobial and antibiofilm properties of helencha ( Enydra fluctuans Lour.). Journal of Food Science and Technology 2021; 58:4755-4765. [PMID: 34629540 DOI: 10.1007/s13197-021-04968-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 12/22/2020] [Accepted: 01/06/2021] [Indexed: 11/29/2022]
Abstract
This study reports the polyphenol profile of helencha (Enydra fluctuans Lour.), an underutilised, aquatic leafy vegetable, based on high resolution accurate mass analysis. The methanolic extract of helencha leaves was screened by ultra-high performance liquid chromatography with quadrupole time of flight mass spectrometry (LC-QToF-MS). An in-house developed database of phytochemical metabolites was referred for compound identifications. Based on the detection of the pseudomolecular ion and at least one molecule-specific fragment ion (each with < 5 ppm of mass error), 25 potentially-bioactive phenolic compounds were putatively identified. These included 6 flavonols, 4 phenolic acids, 3 lignans, 3 flavones and 1 each of flavanol, flavanone, dihydroflavonol, tetramethoxyflavone, isoflavonoid and methylated flavonol. In addition, 3 unclassified compounds are also reported. The helencha extract showed antibiofilm properties with a potent bacteriostatic activity against the clinical isolates of Pseudomonas aeruginosa, a human pathogenic bacteria. The complementary molecular docking studies indicated strong binding interactions of the identified compounds with the active site of LasR protein of P. aeruginosa. The in vitro and in silico study results would be useful to develop novel neutraceutical products based on helencha-extract and design new lead compounds to control the biofilm producing pathogenic microorganisms. Supplementary Information The online version contains supplementary material available at (10.1007/s13197-021-04968-y).
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Affiliation(s)
| | - Zareen Khan
- National Reference Laboratory, ICAR-National Research Centre for Grapes, Pune, India
| | - Dasharath Oulkar
- National Reference Laboratory, ICAR-National Research Centre for Grapes, Pune, India
| | | | | | - Suhas Gorakh Karkute
- Division of Crop Improvement, ICAR- Indian Institute of Vegetable Research, Varanasi, India
| | - Kaushik Banerjee
- National Reference Laboratory, ICAR-National Research Centre for Grapes, Pune, India
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11
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Warrier A, Satyamoorthy K, Murali TS. Quorum-sensing regulation of virulence factors in bacterial biofilm. Future Microbiol 2021; 16:1003-1021. [PMID: 34414776 DOI: 10.2217/fmb-2020-0301] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Chronic polymicrobial wound infections are often characterized by the presence of bacterial biofilms. They show considerable structural and functional heterogeneity, which influences the choice of antimicrobial therapy and wound healing dynamics. The hallmarks of biofilm-associated bacterial infections include elevated antibiotic resistance and extreme pathogenicity. Biofilm helps bacteria to evade the host defense mechanisms and persist longer in the host. Quorum-sensing (QS)-mediated cell signaling primarily regulates biofilm formation in chronic infections and plays a major role in eliciting virulence. This review focuses on the QS mechanisms of two major bacterial pathogens, Staphylococcus aureus and Pseudomonas aeruginosa and explains how they interact in the wound microenvironment to regulate biofilm development and virulence. The review also provides an insight into the treatment modalities aimed at eradicating polymicrobial biofilms. This information will help us develop better diagnostic modalities and devise effective treatment regimens to successfully manage and overcome severe life-threatening bacterial infections.
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Affiliation(s)
- Anjali Warrier
- Department of Biotechnology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Kapaettu Satyamoorthy
- Department of Cell & Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Thokur Sreepathy Murali
- Department of Biotechnology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India.,Manipal Center for Infectious Diseases (MAC ID), Prasanna School of Public Health, Manipal Academy of Higher Education, Manipal, Karnataka, India
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12
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Pyranoanthocyanins Interfering with the Quorum Sensing of Pseudomonas aeruginosa and Staphylococcus aureus. Int J Mol Sci 2021; 22:ijms22168559. [PMID: 34445281 PMCID: PMC8395250 DOI: 10.3390/ijms22168559] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 08/03/2021] [Accepted: 08/04/2021] [Indexed: 12/18/2022] Open
Abstract
Bacterial quorum sensing (QS) is a cell-cell communication system that regulates several bacterial mechanisms, including the production of virulence factors and biofilm formation. Thus, targeting microbial QS is seen as a plausible alternative strategy to antibiotics, with potentiality to combat multidrug-resistant pathogens. Many phytochemicals with QS interference activity are currently being explored. Herein, an extract and a compound of bioinspired origin were tested for their ability to inhibit biofilm formation and interfere with the expression of QS-related genes in Pseudomonas aeruginosa and Staphylococcus aureus. The extract, a carboxypyranoanthocyanins red wine extract (carboxypyrano-ant extract), and the pure compound, carboxypyranocyanidin-3-O-glucoside (carboxypyCy-3-glc), did not cause a visible effect on the biofilm formation of the P. aeruginosa biofilms; however, both significantly affected the formation of biofilms by the S. aureus strains, as attested by the crystal violet assay and fluorescence microscopy. Both the extract and the pure compound significantly interfered with the expression of several QS-related genes in the P. aeruginosa and S. aureus biofilms, as per reverse transcription-quantitative polymerase chain reaction (RT-qPCR) results. Indeed, it was possible to conclude that these molecules interfere with QS at distinct stages and in a strain-specific manner. An extract with anti-QS properties could be advantageous because it is easily obtained and could have broad, antimicrobial therapeutic applications if included in topical formulations.
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Moradi F, Hadi N. Quorum-quenching activity of some Iranian medicinal plants. New Microbes New Infect 2021; 42:100882. [PMID: 34094582 PMCID: PMC8165558 DOI: 10.1016/j.nmni.2021.100882] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 04/14/2021] [Accepted: 04/19/2021] [Indexed: 11/16/2022] Open
Abstract
Anti-quorum sensing (QS) or quorum quenching (QQ) is known as a new anti-bacterial strategy to combat bacterial infection. One of the best candidates for this strategy is a natural plant or traditional herbal medicine. This review aimed to summarize and introduce Iranian medicinal plants with anti-QS properties. Biomedical databases (PubMed, Scopus, Google Scholar and Web of sciences) were investigated to retrieve all related manuscripts published in English and Persian. Out of 65 documents, 47 papers were published during 2010–2020. We categorized and summarized 19 papers that particularly presented the anti-QS activity of Iranian medicinal plants. Based on our results, different studies have been completed on the QQ effects of medicinal plants. We identified 106 plant species with different properties in medicine that have been evaluated for anti-QS activities in Iran. The QQ effects of herbal extracts were identified through different in vitro examinations on biosensor and clinical bacterial strains. Only 35 medicinal plants have shown these effects at sub-MICs. Our review summarizes Iranian medicinal plants with anti-QS properties. Some of these herbal extracts showed anti-QS activity against biosensors, standard and clinical bacterial strains. This result is very important because QS systems can be considered as a new target for the development of new remedial strategies and it is a good opportunity to perform QQ studies to effectively combat bacterial infections in the future.
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Affiliation(s)
- F Moradi
- Department of Bacteriology & Virology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - N Hadi
- Department of Bacteriology & Virology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
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14
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Tatar G, Salmanli M, Dogru Y, Tuzuner T. Evaluation of the effects of chlorhexidine and several flavonoids as antiviral purposes on SARS-CoV-2 main protease: molecular docking, molecular dynamics simulation studies. J Biomol Struct Dyn 2021; 40:7656-7665. [PMID: 33749547 DOI: 10.1080/07391102.2021.1900919] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
The recent outbreak of COVID-19 caused by a new human coronavirus called SARS-CoV-2, is continually causing worldwide human infections and deaths.The main protease (3CLpro), which plays a critical role in the life cycle of the virus, makes it an attractive target for the development of antiviral agents effective against coronaviruses (CoVs).Currently, there is no specific viral protein targeted therapeutics.Therefore, there is a need to investigate an alternative therapy which will prevent the spread of the infection, by focusing on the transmission of the virus.Chlorhexidine (CHX) and flavonoids agents have shown that they have a viral inactivation effect against enveloped viruses, and thus facilitate the struggle against oral transmission.Especially, some flavonoids have very strong antiviral activity in SARS-CoV and MERS-CoV main protease.This study was conducted to evaluate the CHX and flavonoids compounds potential antiviral effects on SARS-CoV-2 main protease through virtual screening for the COVID-19 treatment by molecular docking method.According to the results of this study, CHX, Kaempferol-3-rutinoside, Rutin, Quercetin 3-beta-D-glucoside and Isobavachalcone exhibited the best binding affinity against this enzyme, and also these compounds showed significant inhibitory effects compared to the SARS-CoV-2 main protease crystal structure inhibitor (N3).Especially, these compounds mainly interact with His41, Cys145, His163, Met165, Glu166 and Thr190 in SARS-CoV-2 main protease binding site. Further, MD simulation analysis also confirmed that stability of these interactions between the enzyme and these five compounds.The current study provides to guide clinical trials for broad-spectrum CHX and bioactive flavonoids to reduce the viral load of the infection and possibly disease progression.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Gizem Tatar
- Faculty of Medicine, Department of Biostatistics and Medical Informatics, Karadeniz Technical University, Trabzon, Turkey
| | - Merve Salmanli
- Dentistry Faculty of Dentistry, Department of Pediatric, Karadeniz Technical University, Trabzon, Turkey
| | - Yakup Dogru
- Dentistry Faculty of Dentistry, Department of Pediatric, Karadeniz Technical University, Trabzon, Turkey
| | - Tamer Tuzuner
- Dentistry Faculty of Dentistry, Department of Pediatric, Karadeniz Technical University, Trabzon, Turkey
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Hemmati F, Salehi R, Ghotaslou R, Samadi Kafil H, Hasani A, Gholizadeh P, Nouri R, Ahangarzadeh Rezaee M. Quorum Quenching: A Potential Target for Antipseudomonal Therapy. Infect Drug Resist 2020; 13:2989-3005. [PMID: 32922047 PMCID: PMC7457774 DOI: 10.2147/idr.s263196] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 08/07/2020] [Indexed: 12/15/2022] Open
Abstract
There has been excessive rate of use of antibiotics to fight Pseudomonas aeruginosa (P. aeruginosa) infections worldwide, which has consequently caused the increased resistance to multiple antibiotics in this pathogen. Due to the widespread resistance and the current poor effect of antibiotics consumed to treat P. aeruginosa infections, finding some novel alternative therapeutic methods are necessary for the treatment of infections. The P. aeruginosa biofilms can cause severe infections leading to the increased antibiotic resistance and mortality rate among the patients. In this regard, there are no approaches that can efficiently manage these infections; therefore, novel and effective antimicrobial and antibiofilm agents are needed to control and treat these bacterial infections. Quorum sensing inhibitors (QSIs) or quorum quenchings (QQs) are now considered as potential therapeutic alternatives and/or adjuvants to the current failing antibiotics, which can control the virulence traits of the pathogens, so as a result, the host immune system can quickly eliminate bacteria. Thus, the aims of this review article were presenting a brief explanation of the research reports on the natural and synthetic QSIs of P. aeruginosa, and the assessment of the current understanding on the QS mechanisms and various QQ strategies in P. aeruginosa.
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Affiliation(s)
- Fatemeh Hemmati
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Roya Salehi
- Drug Applied Research Center, Tabriz University of Medical Science, Tabriz, Iran
| | - Reza Ghotaslou
- Department of Medical Microbiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hossein Samadi Kafil
- Drug Applied Research Center, Tabriz University of Medical Science, Tabriz, Iran.,Department of Medical Microbiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Alka Hasani
- Department of Medical Microbiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Pourya Gholizadeh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Roghayeh Nouri
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Ahangarzadeh Rezaee
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Medical Microbiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
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16
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Khan F, Javaid A, Kim YM. Functional Diversity of Quorum Sensing Receptors in Pathogenic Bacteria: Interspecies, Intraspecies and Interkingdom Level. Curr Drug Targets 2020; 20:655-667. [PMID: 30468123 DOI: 10.2174/1389450120666181123123333] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Revised: 11/16/2018] [Accepted: 11/16/2018] [Indexed: 01/17/2023]
Abstract
The formation of biofilm by pathogenic bacteria is considered as one of the most powerful mechanisms/modes of resistance against the action of several antibiotics. Biofilm is formed as a structural adherent over the surfaces of host, food and equipments etc. and is further functionally coordinated by certain chemicals produced itself. These chemicals are known as quorum sensing (QS) signaling molecules and are involved in the cross talk at interspecies, intraspecies and interkingdom levels thus resulting in the production of virulence factors leading to pathogenesis. Bacteria possess receptors to sense these chemicals, which interact with the incoming QS molecules. It is followed by the secretion of virulence molecules, regulation of bioluminescence, biofilm formation, antibiotic resistance development and motility behavioral responses. In the natural environment, different bacterial species (Gram-positive and Gram-negative) produce QS signaling molecules that are structurally and functionally different. Recent and past research shows that various antagonistic molecules (naturally and chemically synthesized) are characterized to inhibit the formation of biofilm and attenuation of bacterial virulence by blocking the QS receptors. This review article describes about the diverse QS receptors at their structural, functional and production levels. Thus, by blocking these receptors with inhibitory molecules can be a potential therapeutic approach to control pathogenesis. Furthermore, these receptors can also be used as a structural platform to screen the most potent inhibitors with the help of bioinformatics approaches.
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Affiliation(s)
- Fazlurrahman Khan
- Marine-Integrated Bionics Research Center, Pukyong National University, Busan 48513, South Korea.,Department of Biotechnology, School of Engineering and Technology, Sharda University, Greater Noida 201306, U.P, India
| | - Aqib Javaid
- Department of Biotechnology, School of Engineering and Technology, Sharda University, Greater Noida 201306, U.P, India
| | - Young-Mog Kim
- Marine-Integrated Bionics Research Center, Pukyong National University, Busan 48513, South Korea.,Department of Food Science and Technology, Pukyong National University, Busan 48513, South Korea
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17
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Thanganadar Appapalam S, Paul B, Arockiasamy S, Panchamoorthy R. Phytofabricated silver nanoparticles: Discovery of antibacterial targets against diabetic foot ulcer derived resistant bacterial isolates. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 117:111256. [PMID: 32919626 DOI: 10.1016/j.msec.2020.111256] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 05/28/2020] [Accepted: 06/30/2020] [Indexed: 12/13/2022]
Abstract
The present study selected the predominant multi antibiotic-resistant diabetic foot ulcer (DFU) derived bacterial isolates such as Pseudomonas aeruginosa (PA), Escherichia coli (EC), Staphylococcus aureus (SA) and Bacillus subtilis (BS) and evaluated their response against the well-characterized Aerva lanata (AL) reduced multiple phytochemicals fabricated silver nanoparticles (AL-AgNPs). The overnight culture of DFU isolates was processed and subjected to various studies such as antimicrobial activity, growth kinetics, biofilm disruption, reactive oxygen species (ROS), membrane leakage, membrane permeability, and damage and genotoxicity. The molecular docking of AL phytochemicals was also performed with bacterial enzyme DNA gyrase. Interestingly, AL-AgNPs were produced the remarkable antibacterial effect against the resistant DFU isolates, which was closely similar to the effect of AL-AgNPs observed against the reference strains. The minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of AL-AgNPs against the DFU isolates were found to be 5-15 μg/mL and 10-20 μg/mL, respectively. The AL-AgNPs were depicted a concentration-dependent growth inhibition of DFU bacterial isolates. The MIC and MBC of AL-AgNPs were effectively destroyed the preformed biofilms of DFU isolates. Furthermore, the MBC of AL-AgNPs was displayed the increased intracellular ROS accumulation, membrane leakage, permeability and damage, and genotoxicity in the DFU isolates. Additionally, the in silico study revealed that the AL phytochemicals were fitted over the binding pocket of the DNA gyrase B subunit. The observed results were confirmed that the negative impacts of the AL-AgNPs at the level of the membrane and intracellular components of DFU isolates.
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Affiliation(s)
| | - Benedict Paul
- Department of Biotechnology, Sri Ramachandra Institute of Higher Education and Research, Porur, Chennai 600116, Tamil Nadu, India
| | - Sumathy Arockiasamy
- Department of Biomedical Sciences, Sri Ramachandra Institute of Higher Education and Research, Porur, Chennai 600116, Tamil Nadu, India
| | - Rajasekar Panchamoorthy
- Department of Biotechnology, Rajalakshmi Engineering College, Thandalam, Chennai 602 105, Tamil Nadu, India.
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18
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Chunying Luo, Li P, Liu H, Feng P, Li J, Zhao L, Wu CL. Synthesis of Novel Chalcone-Based L-Homoserine Lactones and Their Quorum Sensing Inhibitory Activity Evaluation. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2020. [DOI: 10.1134/s1068162020020132] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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19
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Liu H, Gong Q, Luo C, Liang Y, Kong X, Wu C, Feng P, Wang Q, Zhang H, Wireko MA. Synthesis and Biological Evaluation of Novel L-Homoserine Lactone Analogs as Quorum Sensing Inhibitors of Pseudomonas aeruginosa. Chem Pharm Bull (Tokyo) 2019; 67:1088-1098. [PMID: 31582628 DOI: 10.1248/cpb.c19-00359] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
In this study, we synthesized four series of novel L-homoserine lactone analogs and evaluated their in vitro quorum sensing (QS) inhibitory activity against two biomonitor strains, Chromobacterium violaceum CV026 and Pseudomonas aeruginosa PAO1. Studies of the structure-activity relationships of the set of L-homoserine lactone analogs indicated that phenylurea-containing N-dithiocarbamated homoserine lactones are more potent than (Z)-4-bromo-5-(bromomethylene)-2(5H)-furanone (C30), a positive control for biofilm formation. In particular, compared with C30, QS inhibitor 11f significantly reduced the production of virulence factors (pyocyanin, elastase and rhamnolipid), swarming motility, the formation of biofilm and the mRNA level of QS-related genes regulated by the QS system of PAO1. These results reveal 11f as a potential lead compound for developing novel antibacterial quorum sensing inhibitors.
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Affiliation(s)
- Haoyue Liu
- School of Pharmaceutical Sciences, Zhengzhou University.,Key Laboratory of Technology of Drug Preparation (Zhengzhou University), Ministry of Education of China.,Key Laboratory of Henan Province for Drug Quality and Evaluation
| | - Qianhong Gong
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China
| | - Chunying Luo
- School of Pharmaceutical Sciences, Zhengzhou University.,Key Laboratory of Technology of Drug Preparation (Zhengzhou University), Ministry of Education of China.,Key Laboratory of Henan Province for Drug Quality and Evaluation
| | - Yongxi Liang
- School of Pharmaceutical Sciences, Zhengzhou University.,Key Laboratory of Technology of Drug Preparation (Zhengzhou University), Ministry of Education of China.,Key Laboratory of Henan Province for Drug Quality and Evaluation
| | - Xiaoyan Kong
- School of Pharmaceutical Sciences, Zhengzhou University.,Key Laboratory of Technology of Drug Preparation (Zhengzhou University), Ministry of Education of China.,Key Laboratory of Henan Province for Drug Quality and Evaluation
| | - Chunli Wu
- School of Pharmaceutical Sciences, Zhengzhou University.,Key Laboratory of Technology of Drug Preparation (Zhengzhou University), Ministry of Education of China.,Key Laboratory of Henan Province for Drug Quality and Evaluation
| | - Pengxia Feng
- School of Pharmaceutical Sciences, Zhengzhou University.,Key Laboratory of Technology of Drug Preparation (Zhengzhou University), Ministry of Education of China.,Key Laboratory of Henan Province for Drug Quality and Evaluation
| | - Qing Wang
- School of Pharmaceutical Sciences, Zhengzhou University.,Key Laboratory of Technology of Drug Preparation (Zhengzhou University), Ministry of Education of China.,Key Laboratory of Henan Province for Drug Quality and Evaluation
| | - Hui Zhang
- School of Pharmaceutical Sciences, Zhengzhou University.,Key Laboratory of Technology of Drug Preparation (Zhengzhou University), Ministry of Education of China.,Key Laboratory of Henan Province for Drug Quality and Evaluation
| | - M A Wireko
- School of Pharmaceutical Sciences, Zhengzhou University.,Key Laboratory of Technology of Drug Preparation (Zhengzhou University), Ministry of Education of China.,Key Laboratory of Henan Province for Drug Quality and Evaluation
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20
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Antioxidant and Anti-infective Potential of Ethanolic Extract of Eriobotrya bengalensis (Roxb.) Hook. f.: Phytochemicals Investigation and Molecular Docking Studies. JOURNAL OF PURE AND APPLIED MICROBIOLOGY 2019. [DOI: 10.22207/jpam.13.1.40] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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21
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Vipin C, Mujeeburahiman M, Ashwini P, Arun AB, Rekha PD. Anti-biofilm and cytoprotective activities of quercetin against Pseudomonas aeruginosa isolates. Lett Appl Microbiol 2019; 68:464-471. [PMID: 30762887 DOI: 10.1111/lam.13129] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 01/21/2019] [Accepted: 02/11/2019] [Indexed: 12/31/2022]
Abstract
Increase in infection with multidrug resistant Pseudomonas aeruginosa is a serious global challenge in healthcare. Pseudomonas aeruginosa is capable of causing human infection in various sites and complicates the infection due to its virulence factors. This study was aimed to investigate the effect of quercetin, a dietary flavonoid against the virulence factors of P. aeruginosa and its cell protective effects on epithelial cells. Bactericidal activity, anti-biofilm activity and effect on different virulence factors were carried out using standard methods by using five P. aeruginosa isolates. Cytotoxicity and cell protective effect of quercetin was evaluated by trypan blue dye exclusion assay. All the tested isolates were completely inhibited (100%) by quercetin at a concentration of 500 μg ml-1 . It showed significant (P < 0·05) inhibitory effect on virulence factors including biofilm formation and showed significant protective effect on HEK 293T cells infected with P. aeruginosa strains. This study supports the role of quercetin against P. aeruginosa, by inhibiting virulence factors as well as its cytoprotective activity during bacterial infection either by attenuating the virulence or providing direct protective effect to the host cells. SIGNIFICANCE AND IMPACT OF THE STUDY: The increase in infections caused by opportunistic pathogen Pseudomonas aeruginosa is a serious concern in the health care system. This study describes the beneficial effects of a dietary flavonoid, quercetin against pathogenic P. aeruginosa strains and its protective effect against the P. aeruginosa infection in HEK 293T cells in vitro.
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Affiliation(s)
- C Vipin
- Yenepoya Research Centre, Yenepoya University, Mangalore, India.,Department of Urology, Yenepoya Medical College Hospital, Yenepoy a University, Mangalore, India
| | - M Mujeeburahiman
- Department of Urology, Yenepoya Medical College Hospital, Yenepoy a University, Mangalore, India
| | - P Ashwini
- Yenepoya Research Centre, Yenepoya University, Mangalore, India
| | - A B Arun
- Yenepoya Research Centre, Yenepoya University, Mangalore, India
| | - P-D Rekha
- Yenepoya Research Centre, Yenepoya University, Mangalore, India
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22
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Aleksic I, Ristivojevic P, Pavic A, Radojević I, Čomić LR, Vasiljevic B, Opsenica D, Milojković-Opsenica D, Senerovic L. Anti-quorum sensing activity, toxicity in zebrafish (Danio rerio) embryos and phytochemical characterization of Trapa natans leaf extracts. JOURNAL OF ETHNOPHARMACOLOGY 2018; 222:148-158. [PMID: 29733941 DOI: 10.1016/j.jep.2018.05.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 03/23/2018] [Accepted: 05/04/2018] [Indexed: 06/08/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Trapa natans L. (water chestnut or water caltrop) is a widespread aquatic plant, which has been cultivated for food and traditional medicine since ancient times. Pharmacological studies showed that water chestnut exhibits the wide range of biological activities, such as antimicrobial, antioxidative, analgesic, anti-inflammatory, as well as antiulcer. AIM OF THE STUDY Evaluation of anti-virulence potential and toxicity of T. natans methanol (TnM), acetone (TnA) and ethyl acetate (TnEA) leaf extracts. MATERIALS AND METHODS The anti-quorum sensing activity of Tn extracts was addressed by measuring their effects on biofilm formation, swarming motility and pyocyanin and elastase production in Pseudomonas aeruginosa. Specific P. aeruginosa biosensors were used to identify which of the signaling pathways were affected. The lethal and developmental toxicity of extracts were addressed in vivo using the zebrafish (Danio rerio) model system. The phenolic composition of T. natans leafs extracts was analyzed by a linear ion trap-OrbiTrap hybrid mass spectrometer (LTQ OrbiTrapMS) and UHPLC system configured with a diode array detector (DAD) hyphenated with the triple quadrupole mass spectrometer. RESULTS Subinhibitory concentrations of Tn leaf extracts (0.2 MIC) inhibited pyocyanin and elastase production up to 50% and 60%, respectively, and reduced swarming zones, comparing to non-treated P. aeruginosa. TnA inhibited biofilm formation by 15%, TnM showed a stimulatory effect on biofilm formation up to 20%, while TnEA showed no effect. The bioactive concentrations of TnM and TnA were not toxic in the zebrafish model system. Twenty-two phenolic compounds were tentatively identified in TnM, where thirteen of them were identified in T. natans for the first time. Tn extracts, as well as their major components, ellagic and ferulic acids, demonstrated the ability to interfere with P. aeruginosa Las and PQS signaling pathways. CONCLUSIONS This study demonstrates anti-virulence potential of Tn leaf extracts against medically important pathogen P. aeruginosa and confirms the ethnopharmacological application of this plant against microbial infections.
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Affiliation(s)
- Ivana Aleksic
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Vojvode Stepe 444a, P.O. Box 23, 11010 Belgrade, Serbia
| | - Petar Ristivojevic
- Innovation Centre of the Faculty of Chemistry, University of Belgrade Ltd., Studentski trg 12-16, 11000 Belgrade, Serbia
| | - Aleksandar Pavic
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Vojvode Stepe 444a, P.O. Box 23, 11010 Belgrade, Serbia
| | - Ivana Radojević
- Department of Biology and Ecology, University of Kragujevac, Faculty of Science, Radoja Domanovica 12, 34000 Kragujevac, Serbia
| | - Ljiljana R Čomić
- Department of Biology and Ecology, University of Kragujevac, Faculty of Science, Radoja Domanovica 12, 34000 Kragujevac, Serbia
| | - Branka Vasiljevic
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Vojvode Stepe 444a, P.O. Box 23, 11010 Belgrade, Serbia
| | - Dejan Opsenica
- Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Njegoševa 12, P.O. Box 473, 11000 Belgrade, Serbia
| | | | - Lidija Senerovic
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Vojvode Stepe 444a, P.O. Box 23, 11010 Belgrade, Serbia.
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23
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Almeida FAD, Vargas ELG, Carneiro DG, Pinto UM, Vanetti MCD. Virtual screening of plant compounds and nonsteroidal anti-inflammatory drugs for inhibition of quorum sensing and biofilm formation in Salmonella. Microb Pathog 2018; 121:369-388. [PMID: 29763730 DOI: 10.1016/j.micpath.2018.05.014] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Revised: 04/17/2018] [Accepted: 05/11/2018] [Indexed: 02/08/2023]
Abstract
Salmonella belongs to the Enterobacteriaceae family which is widely distributed in the environment due to its adaptive capacity to stress conditions. In addition, Salmonella is able to perform a type of cell-to-cell communication called quorum sensing, which leads to differential gene expression. The quorum sensing system mediated by AI-1, acyl homoserine lactones (AHLs), is incomplete in Salmonella because the luxI homolog gene, which encodes for AI-1 synthase, is missing in the genome. However, a homologue of LuxR, known as SdiA, is present and allows the detection of signaling molecules produced by other species of bacteria, leading to regulation of gene expression, mainly related to virulence and biofilm formation. Thus, in view of the importance of quorum sensing on the physiology regulation of microorganisms, the aim of the present study was to perform a virtual screening of plant compounds and nonsteroidal anti-inflammatory drugs (NASIDs) for inhibition of quorum sensing by molecular docking and biofilm formation in Salmonella. In general, most plant compounds and all NSAIDs bound in, at least, one of the three modeled structures of SdiA proteins of Salmonella Enteritidis PT4 578. In addition, many tested compounds had higher binding affinities than the AHLs and the furanones which are inducers and inhibitors of quorum sensing, respectively. The Z-phytol and lonazolac molecules were good candidates for the in vitro inhibition tests of quorum sensing mediated by AI-1 and biofilm formation in Salmonella. Thus, this study directs future prospecting of plant extracts for inhibition of quorum sensing mechanism depending on AHL and biofilm formation. In addition, the use of inhibitors of quorum sensing and biofilm formation can be combined with antibiotics for better treatment efficacy, as well as the use of these compounds to design new drugs.
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Affiliation(s)
- Felipe Alves de Almeida
- Department of Microbiology, Universidade Federal de Viçosa, Viçosa, MG, Brazil; Department of Nutrition, Universidade Federal de Juiz de Fora, Governador Valadares, MG, Brazil
| | | | | | - Uelinton Manoel Pinto
- Food Research Center, Department of Food and Experimental Nutrition, Faculty of Pharmaceutical Sciences, Universidade de São Paulo, São Paulo, SP, Brazil
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24
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Iglesias J, Saen‐oon S, Soliva R, Guallar V. Computational structure‐based drug design: Predicting target flexibility. WILEY INTERDISCIPLINARY REVIEWS-COMPUTATIONAL MOLECULAR SCIENCE 2018. [DOI: 10.1002/wcms.1367] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
| | | | | | - Victor Guallar
- Life Science DepartmentBarcelonaSpain
- ICREA, Passeig Lluís Companys 23BarcelonaSpain
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25
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Pattnaik SS, Ranganathan S, Ampasala DR, Syed A, Ameen F, Busi S. Attenuation of quorum sensing regulated virulence and biofilm development in Pseudomonas aeruginosa PAO1 by Diaporthe phaseolorum SSP12. Microb Pathog 2018; 118:177-189. [PMID: 29571725 DOI: 10.1016/j.micpath.2018.03.031] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2017] [Revised: 03/16/2018] [Accepted: 03/19/2018] [Indexed: 10/17/2022]
Abstract
In recent years, Pseudomonas aeruginosa PAO1 emerged as the significant pathogenic microorganism in majority of the hospital-acquired infections due to its resistance to the conventional antibiotics by virtue of its highly organized quorum sensing and associated biofilm formation. In the present study, quorum sensing attenuation potential of Diaporthe phaseolorum SSP12 extract was investigated against P. aeruginosa PAO1 amply supported by molecular docking studies. D. phaseolorum SSP12 extract significantly inhibited the production of LasI/R mediated LasA protease, LasB elastase and chitinase with 66.52 ± 5.41, 71.26 ± 4.58 and 61.16 ± 4.28% of inhibition respectively at a concentration of 750 μg mL-1. In addition, RhlI/R mediated production of pyocyanin, exopolysaccharides and rhamnolipids were also down-regulated by 74.71 ± 3.97, 66.41 ± 3.62 and 63.75 ± 3.76% respectively on treatment with sub-MIC concentration of D. phaseolorum SSP12. The light, fluorescence and confocal laser scanning microscopic (CLSM) analysis confirmed the significant disruption in biofilm formation. The presence of bioactive constituents such as phenyl ethylalcohol, 2, 4-di-tert-butylphenol, fenaclon, 1, 4-phenylenediacetic acid, and benzyl hydrazine in D. phaseolorum SSP12 extract was evident from Gas chromatography-mass spectrophotometric (GC-MS) analysis. From the in silico molecular docking studies, fenaclon and 2, 4-di-tert-butylphenol competitively binds to QS receptors LasR and RhlR and alters the binding of its cognate ligands and modulates the expression of virulence phenotypes. The promising anti quorum sensing efficacy of D. phaseolorum SSP12 extract suggested new avenues for development of anti-infective drugs from fungal derived metabolites to counteract the problems associated with conventional antibiotic therapies.
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Affiliation(s)
- Subha Swaraj Pattnaik
- Department of Microbiology, School of Life Sciences, Pondicherry University, Puducherry 605 014, India
| | - SampathKumar Ranganathan
- Centre for Bioinformatics, School of Life Sciences, Pondicherry University, Puducherry 605 014, India
| | - Dinakara Rao Ampasala
- Centre for Bioinformatics, School of Life Sciences, Pondicherry University, Puducherry 605 014, India
| | - Asad Syed
- Botany and Microbiology Department, College of Science, King Saud University, P.O. 2455, Riyadh 11451, Saudi Arabia
| | - Fuad Ameen
- Botany and Microbiology Department, College of Science, King Saud University, P.O. 2455, Riyadh 11451, Saudi Arabia
| | - Siddhardha Busi
- Department of Microbiology, School of Life Sciences, Pondicherry University, Puducherry 605 014, India.
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