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Chauhan R, Tall BD, Gopinath G, Azmi W, Goel G. Environmental risk factors associated with the survival, persistence, and thermal tolerance of Cronobacter sakazakii during the manufacture of powdered infant formula. Crit Rev Food Sci Nutr 2023; 63:12224-12239. [PMID: 35838158 DOI: 10.1080/10408398.2022.2099809] [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] [Indexed: 11/03/2022]
Abstract
Cronobacter sakazakii is an opportunistic foodborne pathogen of concern for foods having low water activity such as powdered infant formula (PIF). Its survival under desiccated stress can be attributed to its ability to adapt effectively to many different environmental stresses. Due to the high risk to neonates and its sporadic outbreaks in PIF, C. sakazakii received great attention among the scientific community, food industry and health care providers. There are many extrinsic and intrinsic factors that affect C. sakazakii survival in low-moisture foods. Moreover, short- or long-term pre-exposure to sub-lethal physiological stresses which are commonly encountered in food processing environments are reported to affect the thermal resistance of C. sakazakii. Additionally, acclimation to these stresses may render C. sakazakii resistance to antibiotics and other antimicrobial agents. This article reviews the factors and the strategies responsible for the survival and persistence of C. sakazakii in PIF. Particularly, studies focused on the influence of various factors on thermal resistance, antibiotic or antimicrobial resistance, virulence potential and stress-associated gene expression are reviewed.
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Affiliation(s)
- Rajni Chauhan
- Department of Biotechnology, Himachal Pradesh University, Shimla, India
| | | | - Gopal Gopinath
- Center for Food Safety and Applied Nutrition, U. S. Food and Drug Administration, Laurel, MD, USA
| | - Wamik Azmi
- Department of Biotechnology, Himachal Pradesh University, Shimla, India
| | - Gunjan Goel
- Department of Microbiology, School of Interdisciplinary and Applied Sciences, Central University of Haryana, Mahindra, India
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Alfinito E, Beccaria M, Cesaria M. Cooperation in bioluminescence: understanding the role of autoinducers by a stochastic random resistor model. THE EUROPEAN PHYSICAL JOURNAL. E, SOFT MATTER 2023; 46:94. [PMID: 37812340 PMCID: PMC10562348 DOI: 10.1140/epje/s10189-023-00352-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 09/23/2023] [Indexed: 10/10/2023]
Abstract
Quorum sensing is a communication mechanism adopted by different bacterial strains for the regulation of gene transcription. It takes place through the exchange of molecules called autoinducers. Bioluminescence is an emergent threshold phenomenon shown by some bacteria strains. Its precise relationship to quorum sensing is a debated topic, particularly regarding the role of the different autoinducers used by bacteria. In this paper, assuming a direct relationship between bioluminescence and quorum sensing, we investigate the role of multiple autoinducers in the bioluminescence response of Vibrio harveyi, considered as a model bioluminescent strain, due to its quorum sensing circuitry involving an array of three different autoinducers. Experiments on mutants of this bacterium, obtained by suppression of one or more autoinducers, reveal their relative non-trivial relevance and cooperative interaction patterns. The proposed analysis is implemented on a regular lattice, whose nodes represent microbial entities equipped with charges, which represent the ability to up/down regulate the gene expression. Quorum sensing results from a Coulomb-type field, produced by the charges. In analogy with random resistor network models, the lattice is permeated by an effective current which accounts for the amount and distribution of the charges. We propose that the presence of different autoinducers correspond to a different up/down regulation of gene expression, i.e., to a different way to account for the charges. Then, by introducing a modulation of the charge dependence into the current flowing within the network, we show that it is able to describe the bioluminescence exhibited by V. harveyi mutants. Furthermore, modulation of the charge dependence allows the interactions between the different autoinducers to be taken into account, providing a prediction regarding the data obtainable under specific growth conditions.
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Affiliation(s)
- Eleonora Alfinito
- Dipartimento di Matematica e Fisica 'Ennio De Giorgi', Università del Salento, Via Arnesano, 73100, Lecce, Italy.
| | - Matteo Beccaria
- Dipartimento di Matematica e Fisica 'Ennio De Giorgi', Università del Salento, Via Arnesano, 73100, Lecce, Italy
- Istituto Nazionale di Fisica Nucleare - Sezione di Lecce, Via Arnesano, 73100, Lecce, Italy
- National Biodiversity Future Center, 90133, Palermo, Italy
| | - Maura Cesaria
- Dipartimento di Matematica e Fisica 'Ennio De Giorgi', Università del Salento, Via Arnesano, 73100, Lecce, Italy
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Huang Y, Qin F, Li S, Yin J, Hu L, Zheng S, He L, Xia H, Liu J, Hu W. The mechanisms of biofilm antibiotic resistance in chronic rhinosinusitis: A review. Medicine (Baltimore) 2022; 101:e32168. [PMID: 36626427 PMCID: PMC9750636 DOI: 10.1097/md.0000000000032168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Chronic rhinosinusitis (CRS) is a common but burdensome ailment that is still poorly understood in terms of its pathogenesis. The existence of biofilms on the sinonasal mucosa of individuals with CRS has been proven by current biofilm identification methods. Current treatments for CRS generally include functional endoscopic sinus surgery, biofilm-removing strategies, and limited therapies that target quorum sensing (QS), patients with CRS are often resistant to antimicrobial therapy at degrees achievable by oral or intravenous administration, and even a subset of patients fail to react to either medical or surgical intervention. Multidrug-resistant Pseudomonas aeruginosa, Staphylococcus aureus, especially methicillin-resistant S. aureus, Streptococcus pneumoniae, and Haemophilus influenzae are the most commonly implicated bacteria in CRS patients, which may lead to the persistence and severity of CRS and antibiotic treatment failure via the formation of biofilms. Resistance to antibiotics is attributed to the 3-dimensional structure and QS of biofilms, and the latter describes the communication of bacteria within biofilms. A better understanding of biofilms in CRS and their contribution to the antibiotic resistance of CRS is critical for novel treatment strategies. This review mainly discusses the special structure of biofilms, QS, and their mechanisms of antibiotic resistance in order to investigate prospective anti-biofilm therapies, suggest future directions for study, and potentially refine the CRS prevention paradigm.
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Affiliation(s)
- Yanlin Huang
- Data sharing not applicable to this article as no datasets were generated or analyzed during the current study. The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Fengfeng Qin
- Data sharing not applicable to this article as no datasets were generated or analyzed during the current study. The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Sen Li
- Data sharing not applicable to this article as no datasets were generated or analyzed during the current study. The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Ji Yin
- Data sharing not applicable to this article as no datasets were generated or analyzed during the current study. The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Lanxin Hu
- Data sharing not applicable to this article as no datasets were generated or analyzed during the current study. The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Sihan Zheng
- Data sharing not applicable to this article as no datasets were generated or analyzed during the current study. The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Lu He
- Data sharing not applicable to this article as no datasets were generated or analyzed during the current study. The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Hui Xia
- Data sharing not applicable to this article as no datasets were generated or analyzed during the current study. The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Jing Liu
- Data sharing not applicable to this article as no datasets were generated or analyzed during the current study. The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Wenjian Hu
- Data sharing not applicable to this article as no datasets were generated or analyzed during the current study. The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- * Correspondence: Wenjian Hu, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China (e-mail: )
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Sahreen S, Mukhtar H, Imre K, Morar A, Herman V, Sharif S. Exploring the Function of Quorum Sensing Regulated Biofilms in Biological Wastewater Treatment: A Review. Int J Mol Sci 2022; 23:ijms23179751. [PMID: 36077148 PMCID: PMC9456111 DOI: 10.3390/ijms23179751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 08/21/2022] [Accepted: 08/26/2022] [Indexed: 11/26/2022] Open
Abstract
Quorum sensing (QS), a type of bacterial cell–cell communication, produces autoinducers which help in biofilm formation in response to cell population density. In this review, biofilm formation, the role of QS in biofilm formation and development with reference to biological wastewater treatment are discussed. Autoinducers, for example, acyl-homoserine lactones (AHLs), auto-inducing oligo-peptides (AIPs) and autoinducer 2, present in both Gram-negative and Gram-positive bacteria, with their mechanism, are also explained. Over the years, wastewater treatment (WWT) by QS-regulated biofilms and their optimization for WWT have gained much attention. This article gives a comprehensive review of QS regulation methods, QS enrichment methods and QS inhibition methods in biological waste treatment systems. Typical QS enrichment methods comprise adding QS molecules, adding QS accelerants and cultivating QS bacteria, while typical QS inhibition methods consist of additions of quorum quenching (QQ) bacteria, QS-degrading enzymes, QS-degrading oxidants, and QS inhibitors. Potential applications of QS regulated biofilms for WWT have also been summarized. At last, the knowledge gaps present in current researches are analyzed, and future study requirements are proposed.
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Affiliation(s)
- Sania Sahreen
- Institute of Industrial Biotechnology, Government College University, Lahore 54000, Pakistan
| | - Hamid Mukhtar
- Institute of Industrial Biotechnology, Government College University, Lahore 54000, Pakistan
- Correspondence: (H.M.); (K.I.); Tel.: +92-3334245581 (H.M.); +40-256277186 (K.I.)
| | - Kálmán Imre
- Department of Animal Production and Veterinary Public Health, Faculty of Veterinary Medicine, Banat’s University of Agricultural Sciences and Veterinary Medicine “King Michael I of Romania”, 300645 Timisoara, Romania
- Correspondence: (H.M.); (K.I.); Tel.: +92-3334245581 (H.M.); +40-256277186 (K.I.)
| | - Adriana Morar
- Department of Animal Production and Veterinary Public Health, Faculty of Veterinary Medicine, Banat’s University of Agricultural Sciences and Veterinary Medicine “King Michael I of Romania”, 300645 Timisoara, Romania
| | - Viorel Herman
- Department of Infectious Diseases and Preventive Medicine, Faculty of Veterinary Medicine, Banat’s University of Agricultural Sciences and Veterinary Medicine “King Michael I of Romania”, 300645 Timisoara, Romania
| | - Sundas Sharif
- Institute of Industrial Biotechnology, Government College University, Lahore 54000, Pakistan
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Wu Q, Cui L, Liu Y, Li R, Dai M, Xia Z, Wu M. CRISPR-Cas systems target endogenous genes to impact bacterial physiology and alter mammalian immune responses. MOLECULAR BIOMEDICINE 2022; 3:22. [PMID: 35854035 PMCID: PMC9296731 DOI: 10.1186/s43556-022-00084-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Accepted: 05/25/2022] [Indexed: 11/26/2022] Open
Abstract
CRISPR-Cas systems are an immune defense mechanism that is widespread in archaea and bacteria against invasive phages or foreign genetic elements. In the last decade, CRISPR-Cas systems have been a leading gene-editing tool for agriculture (plant engineering), biotechnology, and human health (e.g., diagnosis and treatment of cancers and genetic diseases), benefitted from unprecedented discoveries of basic bacterial research. However, the functional complexity of CRISPR systems is far beyond the original scope of immune defense. CRISPR-Cas systems are implicated in influencing the expression of physiology and virulence genes and subsequently altering the formation of bacterial biofilm, drug resistance, invasive potency as well as bacterial own physiological characteristics. Moreover, increasing evidence supports that bacterial CRISPR-Cas systems might intriguingly influence mammalian immune responses through targeting endogenous genes, especially those relating to virulence; however, unfortunately, their underlying mechanisms are largely unclear. Nevertheless, the interaction between bacterial CRISPR-Cas systems and eukaryotic cells is complex with numerous mysteries that necessitate further investigation efforts. Here, we summarize the non-canonical functions of CRISPR-Cas that potentially impact bacterial physiology, pathogenicity, antimicrobial resistance, and thereby altering the courses of mammalian immune responses.
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Affiliation(s)
- Qun Wu
- Department of Pediatrics, Ruijin Hospital affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
- Department of Biomedical Sciences, School of Medicine and Health Sciences University of North Dakota, Grand Forks, North Dakota, 58203-9037, USA
| | - Luqing Cui
- Department of Biomedical Sciences, School of Medicine and Health Sciences University of North Dakota, Grand Forks, North Dakota, 58203-9037, USA
- The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, Hubei, 430070, P. R. China
| | - Yingying Liu
- Department of Biomedical Sciences, School of Medicine and Health Sciences University of North Dakota, Grand Forks, North Dakota, 58203-9037, USA
| | - Rongpeng Li
- Key Laboratory of Biotechnology for Medicinal Plants of Jiangsu Province, School of Life Sciences, Jiangsu Normal University, Xuzhou, 221116, China
| | - Menghong Dai
- The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, Hubei, 430070, P. R. China.
| | - Zhenwei Xia
- Department of Pediatrics, Ruijin Hospital affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
| | - Min Wu
- Department of Biomedical Sciences, School of Medicine and Health Sciences University of North Dakota, Grand Forks, North Dakota, 58203-9037, USA.
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Zaitseva YV, Lipasova VA, Koksharova OA, Plyuta VA, Demidyuk IV, Chernin LS, Khmel IA. Peculiarities of the SprIR Quorum Sensing System of Serratia proteamaculans 94 and Its Involvement in Regulation of Cellular Processes. RUSS J GENET+ 2021. [DOI: 10.1134/s1022795421020149] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Microbial biofilm ecology, in silico study of quorum sensing receptor-ligand interactions and biofilm mediated bioremediation. Arch Microbiol 2020; 203:13-30. [PMID: 32785735 DOI: 10.1007/s00203-020-02012-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 07/17/2020] [Accepted: 08/04/2020] [Indexed: 12/15/2022]
Abstract
Biofilms are structured microbial communities of single or multiple populations in which microbial cells adhere to a surface and get embedded in extracellular polymeric substances (EPS). This review attempts to explain biofilm architecture, development phases, and forces that drive bacteria to promote biofilm mode of growth. Bacterial chemical communication, also known as Quorum sensing (QS), which involves the production, detection, and response to small molecules called autoinducers, is highlighted. The review also provides a brief outline of interspecies and intraspecies cell-cell communication. Additionally, we have performed docking studies using Discovery Studio 4.0, which has enabled our understanding of the prominent interactions between autoinducers and their receptors in different bacterial species while also scoring their interaction energies. Receptors, such as LuxN (Phosphoreceiver domain and RecA domain), LuxP, and LuxR, interacted with their ligands (AI-1, AI-2, and AHL) with a CDocker interaction energy of - 31.6083 kcal/mole; - 34.5821 kcal/mole, - 48.2226 kcal/mole and - 41.5885 kcal/mole, respectively. Since biofilms are ideal for the remediation of contaminants due to their high microbial biomass and their potential to immobilize pollutants, this article also provides an overview of biofilm-mediated bioremediation.
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SprI/SprR Quorum Sensing System of Serratia proteamaculans 94. BIOMED RESEARCH INTERNATIONAL 2019; 2019:3865780. [PMID: 31915691 PMCID: PMC6930789 DOI: 10.1155/2019/3865780] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 10/01/2019] [Accepted: 11/12/2019] [Indexed: 12/16/2022]
Abstract
In this study, we investigated the quorum sensing (QS) regulatory system of the psychrotrophic strain Serratia proteamaculans 94 isolated from spoiled refrigerated meat. The strain produced several N-acyl-L-homoserine-lactone (AHL) QS signal molecules, with N-(3-oxo-hexanoyl)-L-homoserine lactone and N-(3-hydroxy-hexanoyl)-L-homoserine lactone as two main types. The sprI and sprR genes encoding an AHL synthase and a receptor regulatory protein, respectively, were cloned and sequenced. Analysis of their nucleotide sequence showed that these genes were transcribed convergently and that their reading frames partly overlapped by 23 bp in the terminal regions. The genes were highly similar to the luxI/luxR-type QS genes of other Gram-negative bacteria. An spr-box (analog of the lux-box) was identified upstream of the sprR gene and found to be overlapped with the sequence of -10 sequence site in the promoter region of this gene. Inactivation of the sprI gene led to the absence of AHL synthesis, chitinolytic activity, and swimming motility; decrease of extracellular proteolytic activity; affected the cellular fatty acid composition; and reduced suppression of the fungal plant pathogen mycelium growth by volatile compounds emitted by strain S. proteamaculans 94. The data obtained demonstrated the important role of the QS system in the regulation of cellular processes in S. proteamaculans 94.
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Zaytseva YV, Sidorov AV, Marakaev OA, Khmel IA. Plant-Microbial Interactions Involving Quorum Sensing Regulation. Microbiology (Reading) 2019. [DOI: 10.1134/s0026261719040131] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Mustafin RN, Khusnutdinova EK. Epigenetic Hypothesis of the Role of Peptides in Aging. ADVANCES IN GERONTOLOGY 2018. [DOI: 10.1134/s2079057018030128] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Plakunov VK, Mart’yanov SV, Teteneva NA, Zhurina MV. Controlling of microbial biofilms formation: Anti- and probiofilm agents. Microbiology (Reading) 2017. [DOI: 10.1134/s0026261717040129] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
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Oleskin AV, El’-Registan GI, Shenderov BA. Role of neuromediators in the functioning of the human microbiota: “Business talks” among microorganisms and the microbiota-host dialogue. Microbiology (Reading) 2016. [DOI: 10.1134/s0026261716010082] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
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Gannesen AV, Zhurina MV, Veselova MA, Khmel’ IA, Plakunov VK. Regulation of biofilm formation by Pseudomonas chlororaphis in an in vitro system. Microbiology (Reading) 2015. [DOI: 10.1134/s0026261715030042] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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