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Bennasar-Figueras A. The Natural and Clinical History of Plague: From the Ancient Pandemics to Modern Insights. Microorganisms 2024; 12:146. [PMID: 38257973 PMCID: PMC10818976 DOI: 10.3390/microorganisms12010146] [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: 12/19/2023] [Revised: 01/02/2024] [Accepted: 01/08/2024] [Indexed: 01/24/2024] Open
Abstract
The human pathogen Yersinia pestis is responsible for bubonic, septicemic, and pneumonic plague. A deeply comprehensive overview of its historical context, bacteriological characteristics, genomic analysis based on ancient DNA (aDNA) and modern strains, and its impact on historical and actual human populations, is explored. The results from multiple studies have been synthesized to investigate the origins of plague, its transmission, and effects on different populations. Additionally, molecular interactions of Y. pestis, from its evolutionary origins to its adaptation to flea-born transmission, and its impact on human and wild populations are considered. The characteristic combinations of aDNA patterns, which plays a decisive role in the reconstruction and analysis of ancient genomes, are reviewed. Bioinformatics is fundamental in identifying specific Y. pestis lineages, and automated pipelines are among the valuable tools in implementing such studies. Plague, which remains among human history's most lethal infectious diseases, but also other zoonotic diseases, requires the continuous investigation of plague topics. This can be achieved by improving molecular and genetic screening of animal populations, identifying ecological and social determinants of outbreaks, increasing interdisciplinary collaborations among scientists and public healthcare providers, and continued research into the characterization, diagnosis, and treatment of these diseases.
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Affiliation(s)
- Antoni Bennasar-Figueras
- Microbiologia—Departament de Biologia, Universitat de les Illes Balears (UIB), Campus UIB, Carretera de Valldemossa, Km 7.5, 07122 Palma de Mallorca, Spain; ; Tel.: +34-971172778
- Facultat de Medicina, Hospital Universitari Son Espases (HUSE), Universitat de les Illes Balears (UIB), Carretera de Valldemossa, 79, 07122 Palma de Mallorca, Spain
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Wang L, Zhu Y, Zhang L, Guo L, Wang X, Pan Z, Jiang X, Wu F, He G. Mechanisms of PANoptosis and relevant small-molecule compounds for fighting diseases. Cell Death Dis 2023; 14:851. [PMID: 38129399 PMCID: PMC10739961 DOI: 10.1038/s41419-023-06370-2] [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: 07/04/2023] [Revised: 11/10/2023] [Accepted: 12/04/2023] [Indexed: 12/23/2023]
Abstract
Pyroptosis, apoptosis, and necroptosis are mainly programmed cell death (PCD) pathways for host defense and homeostasis. PANoptosis is a newly distinct inflammatory PCD pathway that is uniquely regulated by multifaceted PANoptosome complexes and highlights significant crosstalk and coordination among pyroptosis (P), apoptosis (A), and/or necroptosis(N). Although some studies have focused on the possible role of PANpoptosis in diseases, the pathogenesis of PANoptosis is complex and underestimated. Furthermore, the progress of PANoptosis and related agonists or inhibitors in disorders has not yet been thoroughly discussed. In this perspective, we provide perspectives on PANoptosome and PANoptosis in the context of diverse pathological conditions and human diseases. The treatment targeting on PANoptosis is also summarized. In conclusion, PANoptosis is involved in plenty of disorders including but not limited to microbial infections, cancers, acute lung injury/acute respiratory distress syndrome (ALI/ARDS), ischemia-reperfusion, and organic failure. PANoptosis seems to be a double-edged sword in diverse conditions, as PANoptosis induces a negative impact on treatment and prognosis in disorders like COVID-19 and ALI/ARDS, while PANoptosis provides host protection from HSV1 or Francisella novicida infection, and kills cancer cells and suppresses tumor growth in colorectal cancer, adrenocortical carcinoma, and other cancers. Compounds and endogenous molecules focused on PANoptosis are promising therapeutic strategies, which can act on PANoptosomes-associated members to regulate PANoptosis. More researches on PANoptosis are needed to better understand the pathology of human conditions and develop better treatment.
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Affiliation(s)
- Lian Wang
- Department of Dermatology & Venerology and Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
| | - Yanghui Zhu
- Department of Dermatology & Venerology and Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
- Laboratory of Dermatology, Clinical Institute of Inflammation and Immunology (CIII), Frontiers Science Center for Disease-related Molecular Network and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Lu Zhang
- Department of Dermatology & Venerology and Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
| | - Linghong Guo
- Department of Dermatology & Venerology and Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
| | - Xiaoyun Wang
- Department of Dermatology & Venerology and Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
- Laboratory of Dermatology, Clinical Institute of Inflammation and Immunology (CIII), Frontiers Science Center for Disease-related Molecular Network and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Zhaoping Pan
- Department of Dermatology & Venerology and Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
- Laboratory of Dermatology, Clinical Institute of Inflammation and Immunology (CIII), Frontiers Science Center for Disease-related Molecular Network and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Xian Jiang
- Department of Dermatology & Venerology and Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China.
| | - Fengbo Wu
- Department of Dermatology & Venerology and Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China.
| | - Gu He
- Department of Dermatology & Venerology and Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China.
- Laboratory of Dermatology, Clinical Institute of Inflammation and Immunology (CIII), Frontiers Science Center for Disease-related Molecular Network and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China.
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Ranasinghe P, Addison ML, Dear JW, Webb DJ. Small interfering RNA: Discovery, pharmacology and clinical development-An introductory review. Br J Pharmacol 2023; 180:2697-2720. [PMID: 36250252 DOI: 10.1111/bph.15972] [Citation(s) in RCA: 28] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 08/23/2022] [Accepted: 09/29/2022] [Indexed: 11/28/2022] Open
Abstract
Post-transcriptional gene silencing targets and degrades mRNA transcripts, silencing the expression of specific genes. RNA interference technology, using synthetic structurally well-defined short double-stranded RNA (small interfering RNA [siRNA]), has advanced rapidly in recent years. This introductory review describes the utility of siRNA, by exploring the underpinning biology, pharmacology, recent advances and clinical developments, alongside potential limitations and ongoing challenges. Mediated by the RNA-induced silencing complex, siRNAs bind to specific complementary mRNAs, which are subsequently degraded. siRNA therapy offers advantages over other therapeutic approaches, including ability of specifically designed siRNAs to potentially target any mRNA and improved patient adherence through infrequent administration associated with a very long duration of action. Key pharmacokinetic and pharmacodynamic challenges include targeted administration, poor tissue penetration, nuclease inactivation, rapid renal elimination, immune activation and off-target effects. These have been overcome by chemical modification of siRNA and/or by utilising a range of delivery systems, increasing bioavailability and stability to allow successful clinical translation. Patisiran (hereditary transthyretin-mediated amyloidosis) was the first licensed siRNA, followed by givosiran (acute hepatic porphyria), lumasiran (primary hyperoxaluria type 1) and inclisiran (familial hypercholesterolaemia), which all use N-acetylgalactosamine (GalNAc) linkage for effective liver-directed delivery. Others are currently under development for indications varying from rare genetic diseases to common chronic non-communicable diseases (hypertension, cancer). Technological advances are paving the way for broader clinical use. Ongoing challenges remain in targeting organs beyond the liver and reaching special sites (e.g., brain). By overcoming these barriers, siRNA therapy has the potential to substantially widen its therapeutic impact.
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Affiliation(s)
- Priyanga Ranasinghe
- Department of Pharmacology, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka
- University/British Heart Foundation Centre for Cardiovascular Science, The University of Edinburgh, Edinburgh, UK
| | - Melisande L Addison
- University/British Heart Foundation Centre for Cardiovascular Science, The University of Edinburgh, Edinburgh, UK
| | - James W Dear
- University/British Heart Foundation Centre for Cardiovascular Science, The University of Edinburgh, Edinburgh, UK
| | - David J Webb
- University/British Heart Foundation Centre for Cardiovascular Science, The University of Edinburgh, Edinburgh, UK
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Biryukov SS, Wu H, Dankmeyer JL, Rill NO, Klimko CP, Egland KA, Shoe JL, Hunter M, Fetterer DP, Qiu J, Davies ML, Bausch CL, Sullivan EJ, Luke T, Cote CK. Polyclonal Antibodies Derived from Transchromosomic Bovines Vaccinated with the Recombinant F1-V Vaccine Increase Bacterial Opsonization In Vitro and Protect Mice from Pneumonic Plague. Antibodies (Basel) 2023; 12:antib12020033. [PMID: 37218899 DOI: 10.3390/antib12020033] [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: 03/10/2023] [Revised: 04/17/2023] [Accepted: 04/20/2023] [Indexed: 05/24/2023] Open
Abstract
Plague is an ancient disease that continues to be of concern to both the public health and biodefense research communities. Pneumonic plague is caused by hematogenous spread of Yersinia pestis bacteria from a ruptured bubo to the lungs or by directly inhaling aerosolized bacteria. The fatality rate associated with pneumonic plague is significant unless effective antibiotic therapy is initiated soon after an early and accurate diagnosis is made. As with all bacterial pathogens, drug resistance is a primary concern when developing strategies to combat these Yersinia pestis infections in the future. While there has been significant progress in vaccine development, no FDA-approved vaccine strategy exists; thus, other medical countermeasures are needed. Antibody treatment has been shown to be effective in animal models of plague. We produced fully human polyclonal antibodies in transchromosomic bovines vaccinated with the recombinant F1-V plague vaccine. The resulting human antibodies opsonized Y. pestis bacteria in the presence of RAW264.7 cells and afforded significant protection to BALB/c mice after exposure to aerosolized Y. pestis. These data demonstrate the utility of this technology to produce large quantities of non-immunogenic anti-plague human antibodies to prevent or possibly treat pneumonic plague in human.
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Affiliation(s)
- Sergei S Biryukov
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases, 1425 Porter Street, Fort Detrick, Frederick, MD 21702, USA
| | - Hua Wu
- SAB Biotherapeutics, 2100 E 54th St. N, Sioux Falls, SD 57104, USA
| | - Jennifer L Dankmeyer
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases, 1425 Porter Street, Fort Detrick, Frederick, MD 21702, USA
| | - Nathaniel O Rill
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases, 1425 Porter Street, Fort Detrick, Frederick, MD 21702, USA
| | - Christopher P Klimko
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases, 1425 Porter Street, Fort Detrick, Frederick, MD 21702, USA
| | - Kristi A Egland
- SAB Biotherapeutics, 2100 E 54th St. N, Sioux Falls, SD 57104, USA
| | - Jennifer L Shoe
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases, 1425 Porter Street, Fort Detrick, Frederick, MD 21702, USA
| | - Melissa Hunter
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases, 1425 Porter Street, Fort Detrick, Frederick, MD 21702, USA
| | - David P Fetterer
- Biostatistics Division, United States Army Medical Research Institute of Infectious Diseases, 1425 Porter Street, Fort Detrick, Frederick, MD 21702, USA
| | - Ju Qiu
- Biostatistics Division, United States Army Medical Research Institute of Infectious Diseases, 1425 Porter Street, Fort Detrick, Frederick, MD 21702, USA
| | - Michael L Davies
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases, 1425 Porter Street, Fort Detrick, Frederick, MD 21702, USA
| | | | - Eddie J Sullivan
- SAB Biotherapeutics, 2100 E 54th St. N, Sioux Falls, SD 57104, USA
| | - Thomas Luke
- SAB Biotherapeutics, 2100 E 54th St. N, Sioux Falls, SD 57104, USA
| | - Christopher K Cote
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases, 1425 Porter Street, Fort Detrick, Frederick, MD 21702, USA
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Historical and Modern Classifications of the Plague Agent. PROBLEMS OF PARTICULARLY DANGEROUS INFECTIONS 2023. [DOI: 10.21055/0370-1069-2022-4-14-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
The review presents the data on domestic and foreign phenotypic classifications of Yersinia pestis strains developed in the XX century; genetic classifications of the XXI century; as well as on the genealogy of ancient strains of the plague microbe, reconstructed using paleogenomic technologies. Since the discovery of the plague agent in 1894, many classifications were created that corresponded to the level of development of microbiology at that time. The intraspecific classification schemes of the XX century were based on three principles: phenotypic differences between strains, features of the species composition of carriers, and geographical affiliation. With the development of molecular microbiology early on in the XXI century, a genetic nomenclature of the branches of the pathogen evolution was developed and a number of classifications based on the analysis of the population structure of Y. pestis were created. Through the prism of the genetic diversity of Y. pestis strains from natural plague foci in Russia, near and far abroad countries, an improved classification with a division into seven subspecies has been developed: pestis, tibetica, caucasica, qinghaica, angolica, central asiatica, ulegeica, which allocates the subspecies according to the phylogenetic principle and epidemic significance. With the advancements in paleomicrobiology, prehistoric lineages of evolution have been included in the genealogy of Y. pestis, which expand the data on the intraspecific diversity of the plague microbe.
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Yang R, Atkinson S, Chen Z, Cui Y, Du Z, Han Y, Sebbane F, Slavin P, Song Y, Yan Y, Wu Y, Xu L, Zhang C, Zhang Y, Hinnebusch BJ, Stenseth NC, Motin VL. Yersinia pestis and Plague: some knowns and unknowns. ZOONOSES (BURLINGTON, MASS.) 2023; 3:5. [PMID: 37602146 PMCID: PMC10438918 DOI: 10.15212/zoonoses-2022-0040] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/22/2023]
Abstract
Since its first identification in 1894 during the third pandemic in Hong Kong, there has been significant progress of understanding the lifestyle of Yersinia pestis, the pathogen that is responsible for plague. Although we now have some understanding of the pathogen's physiology, genetics, genomics, evolution, gene regulation, pathogenesis and immunity, there are many unknown aspects of the pathogen and its disease development. Here, we focus on some of the knowns and unknowns relating to Y. pestis and plague. We notably focus on some key Y. pestis physiological and virulence traits that are important for its mammal-flea-mammal life cycle but also its emergence from the enteropathogen Yersinia pseudotuberculosis. Some aspects of the genetic diversity of Y. pestis, the distribution and ecology of plague as well as the medical countermeasures to protect our population are also provided. Lastly, we present some biosafety and biosecurity information related to Y. pestis and plague.
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Affiliation(s)
- Ruifu Yang
- Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing 100071, China
| | - Steve Atkinson
- School of Life Sciences, Centre for Biomolecular Science, University of Nottingham, Nottingham, United Kingdom
| | - Ziqi Chen
- Vanke School of Public Health, Tsinghua University, Beijing 100084, China
| | - Yujun Cui
- Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing 100071, China
| | - Zongmin Du
- Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing 100071, China
| | - Yanping Han
- Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing 100071, China
| | - Florent Sebbane
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur Lille, U1019-UMR 9017-CIIL-Center for Infection and Immunity of Lille, F-59000 Lille, France
| | - Philip Slavin
- Division of History and Politics, University of Stirling, Stirling FK9 4LJ, UK
| | - Yajun Song
- Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing 100071, China
| | - Yanfeng Yan
- Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing 100071, China
| | - Yarong Wu
- Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing 100071, China
| | - Lei Xu
- Vanke School of Public Health, Tsinghua University, Beijing 100084, China
| | - Chutian Zhang
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China
| | - Yun Zhang
- Vanke School of Public Health, Tsinghua University, Beijing 100084, China
| | - B. Joseph Hinnebusch
- Laboratory of Bacteriology, Rocky Mountain Laboratories, National Institute of Allergy and Infectious Diseases, NIH, Hamilton, Montana, USA
| | - Nils Chr. Stenseth
- Centre for Ecological and Evolutionary Synthesis, Department of Biosciences, University of Oslo, N-0316 Oslo, Norway
| | - Vladimir L. Motin
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, USA
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Juhas M. Emerging and Zoonotic Diseases. BRIEF LESSONS IN MICROBIOLOGY 2023:111-122. [DOI: 10.1007/978-3-031-29544-7_9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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<i>In silico</i> Research at the Stages of Designing Modern Means for Prevention of Plague (by the Example of Subunit Vaccines). PROBLEMS OF PARTICULARLY DANGEROUS INFECTIONS 2022. [DOI: 10.21055/0370-1069-2022-3-6-13] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
The purpose of this review was to analyze the findings of domestic and foreign researchers on the development of modern drugs for the specific prevention of plague and to illustrate the possibilities of using bioinformatics analysis at the design stages to create an effective and safe vaccine. Work on the creation of an effective new-generation plague vaccine is hampered by several factors associated primarily with the presence of mechanisms of evasion from the immune system of the macroorganism, as well as a large number of pathogenicity determinants in the plague agent. Due to the development of approaches that are based on in silico studies, there is a progressive development of vaccine technologies oriented primarily to the use of the most important immunogens of the plague microbe (F1 and V antigen). Studies aimed at improving the antigenic properties of F1 and LcrV, as well as work on bioinformatic search and analysis of additional promising components to be included in the composition of subunit vaccines are considered as topical applications of bioinformatics data analysis in developing the tools for enhancing the effectiveness of protection through vaccination with subunit preparations.
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Byvalov A, Konyshev I, Ananchenko B, Belozerov V. Force spectroscopy of interactions between Yersinia pseudotuberculosis and Yersinia pestis cells and monoclonal antibodies using optical tweezers. EUROPEAN BIOPHYSICS JOURNAL : EBJ 2022; 51:257-264. [PMID: 35262770 DOI: 10.1007/s00249-022-01592-2] [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: 02/18/2021] [Revised: 12/15/2021] [Accepted: 02/22/2022] [Indexed: 06/14/2023]
Abstract
The interactions of a microbial cell with host cells and humoral factors play an important role in the development of infectious diseases. The study of these mechanisms contributes to the development of effective methods for the treatment of bacterial infections. One of the possible approaches to studying bacterial adhesion to host cells is based on the use of the optical trap method. The aim of this work was to assess the significance of lipopolysaccharide O-antigen on the adhesiveness of Yersinia pseudotuberculosis using a model system including a bacterial cell captured by a laser beam and monoclonal antibodies (mAbs) bound covalently to a glass substrate. Registered interaction forces between Y. pseudotuberculosis cells and complementary antibodies to the O-antigen of lipopolysaccharide (LPS) or the B antigen outer membrane protein were 5.9 ± 3.3 and 2.0 ± 1.8 pN, respectively. Interaction forces between O-antigen deficient Y. pestis cells and the mentioned mAbs were 4.2 ± 2.9 and 9.6 ± 4.9 pN. The results are qualitatively consistent with earlier data obtained by using a model system based on polymer beads sensitized with LPS from Y. pseudotuberculosis and Y. pestis and surfaces coated by the aforementioned antibodies. This indicates that the immunochemical activity of Y. pseudotuberculosis cells is mediated mainly by the lipopolysaccharide. The model described can be used in similar studies of physicochemical and immunochemical mechanisms of bacterial adhesiveness.
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Affiliation(s)
- Andrey Byvalov
- Institute of Physiology of Кomi Science Centre of the Ural Branch of the Russian Academy of Sciences, FRC Komi SC UB RAS, Syktyvkar, Komi Republic, 167982, Russian Federation.
- Vyatka State University, Kirov, 610000, Russian Federation.
| | - Ilya Konyshev
- Institute of Physiology of Кomi Science Centre of the Ural Branch of the Russian Academy of Sciences, FRC Komi SC UB RAS, Syktyvkar, Komi Republic, 167982, Russian Federation
- Vyatka State University, Kirov, 610000, Russian Federation
| | | | - Vladislav Belozerov
- Institute of Physiology of Кomi Science Centre of the Ural Branch of the Russian Academy of Sciences, FRC Komi SC UB RAS, Syktyvkar, Komi Republic, 167982, Russian Federation
- Vyatka State University, Kirov, 610000, Russian Federation
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Lei C, Kumar S. Yersinia pestis antibiotic resistance: a systematic review. Osong Public Health Res Perspect 2022; 13:24-36. [PMID: 35255676 PMCID: PMC8907612 DOI: 10.24171/j.phrp.2021.0288] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Accepted: 02/02/2022] [Indexed: 11/23/2022] Open
Abstract
Yersinia pestis, the cause of plague and a potential biological weapon, has always been a threatening pathogen. Some strains of Y. pestis have varying degrees of antibiotic resistance. Thus, this systematic review was conducted to alert clinicians to this pathogen’s potential antimicrobial resistance. A review of the literature was conducted for experimental reports and systematic reviews on the topics of plague, Y. pestis, and antibiotic resistance. From 1995 to 2021, 7 Y. pestis isolates with 4 antibiotic resistance mechanisms were reported. In Y. pestis 17/95, 16/95, and 2180H, resistance was mediated by transferable plasmids. Each plasmid contained resistance genes encoded within specific transposons. Strain 17/95 presented multiple drug resistance, since plasmid 1202 contained 10 resistance determinants. Strains 16/95 and 2180H showed single antibiotic resistance because both additional plasmids in these strains carried only 1 antimicrobial determinant. Strains 12/87, S19960127, 56/13, and 59/13 exhibited streptomycin resistance due to an rpsl gene mutation, a novel mechanism that was discovered recently. Y. pestis can acquire antibiotic resistance in nature not only via conjugative transfer of antimicrobial-resistant plasmids from other bacteria, but also by gene point mutations. Global surveillance should be strengthened to identify antibiotic-resistant Y. pestis strains by whole-genome sequencing and drug susceptibility testing.
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Moore BD, Macleod C, Henning L, Krile R, Chou YL, Laws TR, Butcher WA, Moore KM, Walker NJ, Williamson ED, Galloway DR. Predictors of Survival after Vaccination in a Pneumonic Plague Model. Vaccines (Basel) 2022; 10:vaccines10020145. [PMID: 35214604 PMCID: PMC8876284 DOI: 10.3390/vaccines10020145] [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: 12/17/2021] [Revised: 01/04/2022] [Accepted: 01/11/2022] [Indexed: 11/28/2022] Open
Abstract
Background: The need for an updated plague vaccine is highlighted by outbreaks in endemic regions together with the pandemic potential of this disease. There is no easily available, approved vaccine. Methods: Here we have used a murine model of pneumonic plague to examine the factors that maximise immunogenicity and contribute to survival following vaccination. We varied vaccine type, as either a genetic fusion of the F1 and V protein antigens or a mixture of these two recombinant antigens, as well as antigen dose-level and formulation in order to correlate immune response to survival. Results: Whilst there was interaction between each of the variables of vaccine type, dose level and formulation and these all contributed to survival, vaccine formulation in protein-coated microcrystals (PCMCs) was the key contributor in inducing antibody titres. From these data, we propose a cut-off in total serum antibody titre to the F1 and V proteins of 100 µg/mL and 200 µg/mL, respectively. At these thresholds, survival is predicted in this murine pneumonic model to be >90%. Within the total titre of antibody to the V antigen, the neutralising antibody component correlated with dose level and was enhanced when the V antigen in free form was formulated in PCMCs. Antibody titre to F1 was limited by fusion to V, but this was compensated for by PCMC formulation. Conclusions: These data will enable clinical assessment of this and other candidate plague vaccines that utilise the same vaccine antigens by identifying a target antibody titre from murine models, which will guide the evaluation of clinical titres as serological surrogate markers of efficacy.
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Affiliation(s)
- Barry D. Moore
- Department of Pure and Applied Chemistry, University of Strathclyde, Glasgow G1 1XQ, UK; (B.D.M.); (C.M.)
| | - Clair Macleod
- Department of Pure and Applied Chemistry, University of Strathclyde, Glasgow G1 1XQ, UK; (B.D.M.); (C.M.)
| | - Lisa Henning
- Battelle Biomedical Research Center, West Jefferson, OH 43162, USA; (L.H.); (R.K.); (Y.-L.C.)
| | - Robert Krile
- Battelle Biomedical Research Center, West Jefferson, OH 43162, USA; (L.H.); (R.K.); (Y.-L.C.)
| | - Ying-Liang Chou
- Battelle Biomedical Research Center, West Jefferson, OH 43162, USA; (L.H.); (R.K.); (Y.-L.C.)
| | - Thomas R. Laws
- CBR Division, Dstl Porton Down, Salisbury SP4 0JQ, UK; (T.R.L.); (W.A.B.); (K.M.M.); (N.J.W.)
| | - Wendy A. Butcher
- CBR Division, Dstl Porton Down, Salisbury SP4 0JQ, UK; (T.R.L.); (W.A.B.); (K.M.M.); (N.J.W.)
| | - Kristoffer M. Moore
- CBR Division, Dstl Porton Down, Salisbury SP4 0JQ, UK; (T.R.L.); (W.A.B.); (K.M.M.); (N.J.W.)
| | - Nicola J. Walker
- CBR Division, Dstl Porton Down, Salisbury SP4 0JQ, UK; (T.R.L.); (W.A.B.); (K.M.M.); (N.J.W.)
| | - Ethel Diane Williamson
- CBR Division, Dstl Porton Down, Salisbury SP4 0JQ, UK; (T.R.L.); (W.A.B.); (K.M.M.); (N.J.W.)
- Correspondence:
| | - Darrell R. Galloway
- Department of Pharmaceutics and Pharmaceutical Chemistry, University of Utah, Salt Lake City, UT 84112, USA;
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Acquisition of yersinia murine toxin enabled Yersinia pestis to expand the range of mammalian hosts that sustain flea-borne plague. PLoS Pathog 2021; 17:e1009995. [PMID: 34648607 PMCID: PMC8547695 DOI: 10.1371/journal.ppat.1009995] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 10/26/2021] [Accepted: 09/30/2021] [Indexed: 11/19/2022] Open
Abstract
Yersinia murine toxin (Ymt) is a phospholipase D encoded on a plasmid acquired by Yersinia pestis after its recent divergence from a Yersinia pseudotuberculosis progenitor. Despite its name, Ymt is not required for virulence but acts to enhance bacterial survival in the flea digestive tract. Certain Y. pestis strains circulating in the Bronze Age lacked Ymt, suggesting that they were not transmitted by fleas. However, we show that the importance of Ymt varies with host blood source. In accordance with the original description, Ymt greatly enhanced Y. pestis survival in fleas infected with bacteremic mouse, human, or black rat blood. In contrast, Ymt was much less important when fleas were infected using brown rat blood. A Y. pestis Ymt- mutant infected fleas nearly as well as the Ymt+ parent strain after feeding on bacteremic brown rat blood, and the mutant was transmitted efficiently by flea bite during the first weeks after infection. The protective function of Ymt correlated with red blood cell digestion kinetics in the flea gut. Thus, early Y. pestis strains that lacked Ymt could have been maintained in flea-brown rat transmission cycles, and perhaps in other hosts with similar blood characteristics. Acquisition of Ymt, however, served to greatly expand the range of hosts that could support flea-borne plague.
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Singh R, Pal V, Kumar M, Tripathi NK, Goel AK. Development of a PCR-lateral flow assay for rapid detection of Yersinia pestis, the causative agent of plague. Acta Trop 2021; 220:105958. [PMID: 34004173 DOI: 10.1016/j.actatropica.2021.105958] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 05/06/2021] [Accepted: 05/07/2021] [Indexed: 11/18/2022]
Abstract
Plague is a zoonotic disease caused by Yersinia pestis, a Gram-negative, rod shaped coccobacillus, which is primarily found in rodents and can be transmitted to humans through flea bite. The disease has three major clinical forms bubonic (by flea bite), pneumonic (by respiratory droplets) and septicemic plague. Y. pestis is classified as a category 'A' agent by NIAID, USA due to its high mortality and easy person to person dissemination. The conventional diagnostic methods available for Y. pestis show cross-reactivity with other enteropathogenic bacteria making its detection difficult. There is a need to develop sensitive and specific molecular assay for accurate detection of Y. pestis. PCR is well suited molecular biology tool for rapid diagnosis of plague but after completion of thermal cycling steps, it requires additional time to analyze amplified product using agarose gel electrophoresis. In the present study, PCR assay coupled with lateral flow strips has been developed for rapid detection of Y. pestis. Lateral flow strips give an alternative to gel electrophoresis and permit easy and rapid detection of PCR products. The PCR was performed with 5' 6-FAM and biotin tagged primers specific for Y. pestis, targeting yihN gene located on chromosome. The PCR product was analyzed using lateral flow strips which yielded result within 2-3 minutes. The analytical sensitivity of PCR-lateral flow (PCR-LF) assay was 1 pg genomic DNA of Y. pestis and 500 copies of target DNA sequence harboured in a recombinant plasmid. The assay could detect Y. pestis DNA extracted from spiked human blood samples containing ≥104 CFU per mL of bacteria. The assay was found to be specific and did not cross react with other closely related bacterial species. The developed assay was highly specific, sensitive and also did not require agarose gel electrophoresis for post amplification analysis.
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Affiliation(s)
- Rita Singh
- Bioprocess Technology Division, Defence Research and Development Establishment, Jhansi Road, Gwalior 474002, India
| | - Vijai Pal
- Bioprocess Technology Division, Defence Research and Development Establishment, Jhansi Road, Gwalior 474002, India.
| | - Manoj Kumar
- Bioprocess Technology Division, Defence Research and Development Establishment, Jhansi Road, Gwalior 474002, India
| | - N K Tripathi
- Bioprocess Technology Division, Defence Research and Development Establishment, Jhansi Road, Gwalior 474002, India
| | - A K Goel
- Bioprocess Technology Division, Defence Research and Development Establishment, Jhansi Road, Gwalior 474002, India
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Moses S, Aftalion M, Mamroud E, Rotem S, Steinberger-Levy I. Reporter-Phage-Based Detection and Antibiotic Susceptibility Testing of Yersinia pestis for a Rapid Plague Outbreak Response. Microorganisms 2021; 9:1278. [PMID: 34208306 PMCID: PMC8231171 DOI: 10.3390/microorganisms9061278] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 06/03/2021] [Accepted: 06/07/2021] [Indexed: 12/12/2022] Open
Abstract
Pneumonic plague is a lethal infectious disease caused by Yersinia pestis, a Tier-1 biothreat agent. Antibiotic treatment can save infected patients; however, therapy should begin within 24 h of symptom onset. As some Y. pestis strains showed an antibiotic resistance phenotype, an antibiotic susceptibility test (AST) must be performed. Performing the Clinical and Laboratory Standards Institute (CLSI)-recommended standard process, which includes bacterial isolation, enumeration and microdilution testing, lasts several days. Thus, rapid AST must be developed. As previously published, the Y. pestis-specific reporter phage ϕA1122::luxAB can serve for rapid identification and AST (ID-AST). Herein, we demonstrate the ability to use ϕA1122::luxAB to determine minimal inhibitory concentration (MIC) values and antibiotic susceptibility categories for various Y. pestis therapeutic antibiotics. We confirmed the assay by testing several nonvirulent Y. pestis isolates with reduced susceptibility to doxycycline or ciprofloxacin. Moreover, the assay can be performed directly on positive human blood cultures. Furthermore, as Y. pestis may naturally or deliberately be spread in the environment, we demonstrate the compatibility of this direct method for this scenario. This direct phage-based ID-AST shortens the time needed for standard AST to less than a day, enabling rapid and correct treatment, which may also prevent the spread of the disease.
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Affiliation(s)
| | | | | | | | - Ida Steinberger-Levy
- Department of Biochemistry and Molecular Genetics, The Israel Institute for Biological Research, Ness-Ziona 74100, Israel; (S.M.); (M.A.); (E.M.); (S.R.)
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15
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Jánošíková L, Pálková L, Šalát D, Klepanec A, Soltys K. Response of Escherichia coli minimal ter operon to UVC and auto-aggregation: pilot study. PeerJ 2021; 9:e11197. [PMID: 34026346 PMCID: PMC8123226 DOI: 10.7717/peerj.11197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 03/09/2021] [Indexed: 11/20/2022] Open
Abstract
Aim The study of minimal ter operon as a determinant of tellurium resistance (TeR) is important for the purpose of confirming the relationship of these genes to the pathogenicity of microorganisms. The ter operon is widespread among bacterial species and pathogens, implicated also in phage inhibition, oxidative stress and colicin resistance. So far, there is no experimental evidence for the role of the Escherichia coli (E. coli) minimal ter operon in ultraviolet C (UVC) resistance, biofilm formation and auto-aggregation. To identify connection with UVC resistance of the minimal ter operon, matched pairs of Ter-positive and -negative E. coli cells were stressed and differences in survival and whole genome sequence analysis were performed. This study was aimed also to identify differences in phenotype of cells induced by environmental stress. Methods In the current study, a minimal ter operon(terBCDEΔF) originating from the uropathogenic strain E. coli KL53 was used. Clonogenic assay was the method of choice to determine cell reproductive death after treatment with UVC irradiation at certain time intervals. Bacterial suspensions were irradiated with 254 nm UVC-light (germicidal lamp in biological safety cabinet) in vitro. UVC irradiance output was 2.5 mW/cm2 (calculated at the UVC device aperture) and plate-lamp distance of 60 cm. DNA damage analysis was performed using shotgun sequencing on Illumina MiSeq platform. Biofilm formation was measured by a crystal violet retention assay. Auto-aggregation assay was performed according to the Ghane, Babaeekhou & Ketabi (2020). Results A large fraction of Ter-positive E. coli cells survived treatment with 120-s UVC light (300 mJ/cm2) compared to matched Ter-negative cells; ∼5-fold higher resistance of Ter-positive cells to UVC dose (p = 0.0007). Moreover, UVC surviving Ter-positive cells showed smaller mutation rate as Ter-negative cells. The study demonstrated that a 1200-s exposure to UVC (3,000 mJ/cm2) was sufficient for 100% inhibition of growth for all the Ter-positive and -negative E. coli cells. The Ter-positive strain exhibited of 26% higher auto-aggregation activities and was able to inhibit biofilm formation over than Ter- negative strain (**** P < 0.0001). Conclusion Our study shows that Ter-positive cells display lower sensitivity to UVC radiation, corresponding to a presence in minimal ter operon. In addition, our study suggests that also auto-aggregation ability is related to minimal ter operon. The role of the minimal ter operon (terBCDEΔF) in resistance behavior of E. coli under environmental stress is evident.
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Affiliation(s)
- Lenka Jánošíková
- Faculty of Health Sciences, University of St. Cyril and Methodius in Trnava, Trnava, Slovak Republic
| | | | - Dušan Šalát
- Faculty of Health Sciences, University of St. Cyril and Methodius in Trnava, Trnava, Slovak Republic
| | - Andrej Klepanec
- Faculty of Health Sciences, University of St. Cyril and Methodius in Trnava, Trnava, Slovak Republic
| | - Katarina Soltys
- Department of Microbiology and Virology, Faculty of Natural Sciences, Comenius University in Bratislava, Bratislava, Slovak Republic.,Comenius University Science Park, Comenius University in Bratislava, Bratislava, Slovak Republic
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16
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Didelphis spp. opossums and their parasites in the Americas: A One Health perspective. Parasitol Res 2021; 120:4091-4111. [PMID: 33788021 PMCID: PMC8599228 DOI: 10.1007/s00436-021-07072-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 01/26/2021] [Indexed: 12/16/2022]
Abstract
Medium sized opossums (Didelphis spp.) are among the most fascinating mammals of the Americas, playing important ecological roles (e.g., dispersal of seeds and control of insect populations) in the environment they inhabit. Nevertheless, as synanthropic animals, they are well adapted to human dwellings, occupying shelters within the cities, peripheral areas, and rural settings. These marsupials can harbor numerous pathogens, which may affect people, pets, and livestock. Among those, some protozoa (e.g., Leishmania infantum, Trypanosoma cruzi, Toxoplasma gondii), helminths (e.g., Ancylostoma caninum, Trichinella spiralis, Alaria marcianae, Paragonimus spp.) and arthropods (e.g., ticks, fleas) present substantial public health and veterinary importance, due to their capacity to cause disease in humans, domestic animals, and wildlife. Here, we reviewed the role played by opossums on the spreading of zoonotic parasites, vectors, and vector-borne pathogens, highlighting the risks of pathogens transmission due to the direct and indirect interaction of humans and domestic animals with Didelphis spp. in the Americas.
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17
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Modification of the Pulmonary MyD88 Inflammatory Response Underlies the Role of the Yersinia pestis Pigmentation Locus in Primary Pneumonic Plague. Infect Immun 2021; 89:IAI.00595-20. [PMID: 33257532 DOI: 10.1128/iai.00595-20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 11/17/2020] [Indexed: 01/28/2023] Open
Abstract
Pneumonic plague, caused by Yersinia pestis, is a rapidly progressing bronchopneumonia involving focal bacterial growth, neutrophilic congestion, and alveolar necrosis. Within a short time after inhalation of Y. pestis, inflammatory cytokines are expressed via the Toll/interleukin-1 (IL-1) adaptor myeloid differentiation primary response 88 (MyD88), which facilitates the primary lung infection. We previously showed that Y. pestis lacking the 102-kb chromosomal pigmentation locus (pgm) is unable to cause inflammatory damage in the lungs, whereas the wild-type (WT) strain induces the toxic MyD88 pulmonary inflammatory response. In this work, we investigated the involvement of the pgm in skewing the inflammatory response during pneumonic plague. We show that the early MyD88-dependent and -independent cytokine responses to pgm- Y. pestis infection of the lungs are similar yet distinct from those that occur during pgm+ infection. Furthermore, we found that MyD88 was necessary to prevent growth of the iron-starved pgm- Y. pestis despite the presence of iron chelators lactoferrin and transferrin. However, while this induced neutrophil recruitment, there was no hyperinflammatory response, and pulmonary disease was mild without MyD88. In contrast, growth in blood and tissues progressed rapidly in the absence of MyD88, due to an almost total loss of serum interferon gamma (IFN-γ). We further show that the expression of MyD88 by myeloid cells is important to control bacteremia but not the primary lung infection. The combined data indicate distinct roles for myeloid and nonmyeloid MyD88 and suggest that expression of the pgm is necessary to skew the inflammatory response in the lungs to cause pneumonic plague.
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Kilgore PB, Sha J, Andersson JA, Motin VL, Chopra AK. A new generation needle- and adjuvant-free trivalent plague vaccine utilizing adenovirus-5 nanoparticle platform. NPJ Vaccines 2021; 6:21. [PMID: 33514747 PMCID: PMC7846801 DOI: 10.1038/s41541-020-00275-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 12/14/2020] [Indexed: 02/07/2023] Open
Abstract
A plague vaccine with a fusion cassette of YscF, F1, and LcrV encoding genes in an adenovirus-5 vector (rAd5-YFV) is evaluated for efficacy and immune responses in mice. Two doses of the vaccine provides 100% protection when administered intranasally against challenge with Yersinia pestis CO92 or its isogenic F1 mutant in short- or long- term immunization in pneumonic/bubonic plague models. The corresponding protection rates drop in rAd5-LcrV monovalent vaccinated mice in plague models. The rAd5-YFV vaccine induces superior humoral, mucosal and cell-mediated immunity, with clearance of the pathogen. Immunization of mice with rAd5-YFV followed by CO92 infection dampens proinflammatory cytokines and neutrophil chemoattractant production, while increasing Th1- and Th2-cytokine responses as well as macrophage/monocyte chemo-attractants when compared to the challenge control animals. This is a first study showing complete protection of mice from pneumonic/bubonic plague with a viral vector-based vaccine without the use of needles and the adjuvant.
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Affiliation(s)
- Paul B. Kilgore
- grid.176731.50000 0001 1547 9964Department of Microbiology & Immunology, University of Texas Medical Branch, Galveston, TX USA
| | - Jian Sha
- Department of Microbiology & Immunology, University of Texas Medical Branch, Galveston, TX, USA. .,Institute for Human Infections and Immunity, University of Texas Medical Branch, Galveston, TX, USA.
| | - Jourdan A. Andersson
- grid.176731.50000 0001 1547 9964Department of Microbiology & Immunology, University of Texas Medical Branch, Galveston, TX USA
| | - Vladimir L. Motin
- grid.176731.50000 0001 1547 9964Department of Microbiology & Immunology, University of Texas Medical Branch, Galveston, TX USA ,grid.176731.50000 0001 1547 9964Institute for Human Infections and Immunity, University of Texas Medical Branch, Galveston, TX USA ,grid.176731.50000 0001 1547 9964Department of Pathology, University of Texas Medical Branch, Galveston, TX USA ,grid.176731.50000 0001 1547 9964Sealy Institute for Vaccine Sciences, University of Texas Medical Branch, Galveston, TX USA ,grid.176731.50000 0001 1547 9964Galveston National Laboratory, University of Texas Medical Branch, Galveston, TX USA
| | - Ashok K. Chopra
- grid.176731.50000 0001 1547 9964Department of Microbiology & Immunology, University of Texas Medical Branch, Galveston, TX USA ,grid.176731.50000 0001 1547 9964Institute for Human Infections and Immunity, University of Texas Medical Branch, Galveston, TX USA ,grid.176731.50000 0001 1547 9964Sealy Institute for Vaccine Sciences, University of Texas Medical Branch, Galveston, TX USA ,grid.176731.50000 0001 1547 9964Galveston National Laboratory, University of Texas Medical Branch, Galveston, TX USA
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19
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Singh R, Pal V, Tripathi N, Goel A. Development of a pair of real-time loop mediated isothermal amplification assays for detection of Yersinia pestis, the causative agent of plague. Mol Cell Probes 2020; 54:101670. [DOI: 10.1016/j.mcp.2020.101670] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 09/16/2020] [Accepted: 10/19/2020] [Indexed: 11/16/2022]
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20
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Zhou H, Guo S. Two cases of imported pneumonic plague in Beijing, China. Medicine (Baltimore) 2020; 99:e22932. [PMID: 33126357 PMCID: PMC7598775 DOI: 10.1097/md.0000000000022932] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 09/18/2020] [Accepted: 09/28/2020] [Indexed: 11/26/2022] Open
Abstract
INTRODUCTION Plague is an acute, often fulminating infectious disease caused by Yersinia Pestis transmitted by rodents. It is rarely encountered in clinics, although natural plague foci are widely distributed around the world. PATIENT CONCERNS A couple who are cattle and sheep herdsmen from the Inner Mongolia Autonomous Region presented with cough, expectoration and fever. The husband developed sudden onset of fever and bloody sputum after working the soil on his farm. The wife also developed fever after nursing his husband. Both patients were preliminarily diagnosed with severe pneumonia, but antimicrobial treatments in the local hospital were unsuccessful. Their conditions deteriorated and they were transferred to our center. DIAGNOSIS Preliminary etiological examinations were unremarkable, while blood and sputum specimens were found to be positive by RT-PCR and colloidal gold-immunochromatography assay targeting the F1 antigen and by reverse indirect hemagglutination assay. Pneumonic plague was confirmed. INTERVENTIONS Both patients were transferred to special infectious disease hospital for further treatment. OUTCOMES The condition of the female patient deteriorated. The male recovered after treatment, while the female patient finally died. CONCLUSION There are 3 main forms of plague: bubonic, pneumonic and septicemic. Humans can be infected by the bites of bacterium-bearing fleas or direct contact of wild animals that died from plague. Human plague can be transmitted by close contact through coughing droplet. Neglected diagnosis of plague could cause severe consequences. Strict surveillance and protection measures should be taken and the public should be alerted about potential risks when epizootic plague is detected.
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Le Guern AS, Savin C, Angermeier H, Brémont S, Clermont D, Mühle E, Orozova P, Najdenski H, Pizarro-Cerdá J. Yersinia artesiana sp. nov., Yersinia proxima sp. nov., Yersinia alsatica sp. nov., Yersina vastinensis sp. nov., Yersinia thracica sp. nov. and Yersinia occitanica sp. nov., isolated from humans and animals. Int J Syst Evol Microbiol 2020; 70:5363-5372. [PMID: 32853134 PMCID: PMC7660898 DOI: 10.1099/ijsem.0.004417] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 08/06/2020] [Indexed: 12/30/2022] Open
Abstract
Thirty-three Yersinia strains previously characterized by the French Yersinia National Reference Laboratory (YNRL) and isolated from humans and animals were suspected to belong to six novel species by a recently described core genome multilocus sequence typing scheme. These strains and five additional strains from the YNRL were characterized using a polyphasic taxonomic approach including a phylogenetic analysis based on 500 core genes, determination of average nucleotide identity (ANI), determination of DNA G+C content and identification of phenotypic features. Phylogenetic analysis confirmed that the 38 studied strains formed six well-demarcated clades. ANI values between these clades and their closest relatives were <94.7 % and ANI values within each putative novel species were >97.5 %. Distinctive biochemical characteristics were identified in five out of the six novel species. All of these data demonstrated that the 38 strains belong to six novel species of the genus Yersinia: Yersinia artesiana sp. nov., type strain IP42281T (=CIP 111845T=DSM 110725T); Yersinia proxima sp. nov., type strain IP37424T (=CIP 111847T=DSM 110727T); Yersinia alsatica sp. nov., type strain IP38850T (=CIP 111848T=DSM 110726T); Yersinia vastinensis sp. nov., type strain IP38594T (=CIP 111844T=DSM 110738T); Yersinia thracica sp. nov., type strain IP34646T (=CIP 111842T=DSM 110736T); and Yersinia occitanica sp. nov., type strain IP35638T (=CIP 111843T=DSM 110739T).
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Affiliation(s)
- Anne-Sophie Le Guern
- Yersinia National Reference Laboratory, Institut Pasteur, F-75724 Paris, France
- WHO Collaborating Centre for Yersinia, Institut Pasteur, F-75724 Paris, France
- Yersinia Research Unit, Institut Pasteur, F-75724 Paris, France
| | - Cyril Savin
- Yersinia National Reference Laboratory, Institut Pasteur, F-75724 Paris, France
- WHO Collaborating Centre for Yersinia, Institut Pasteur, F-75724 Paris, France
- Yersinia Research Unit, Institut Pasteur, F-75724 Paris, France
- Université de Paris, F-75013, Paris, France
| | - Hilde Angermeier
- Yersinia National Reference Laboratory, Institut Pasteur, F-75724 Paris, France
- European Programme for Public Health Microbiology (EUPHEM), European Centre for Disease Prevention and Control, (ECDC), Stockholm, Sweden
| | - Sylvie Brémont
- Yersinia National Reference Laboratory, Institut Pasteur, F-75724 Paris, France
- WHO Collaborating Centre for Yersinia, Institut Pasteur, F-75724 Paris, France
- Yersinia Research Unit, Institut Pasteur, F-75724 Paris, France
| | | | - Estelle Mühle
- Collection of Institut Pasteur, Institut Pasteur, F-75724 Paris, France
| | - Petya Orozova
- National Reference Laboratory for Fish, Mollusc and Crustacean Diseases, National Diagnostics and Research Veterinary Medical Institute, Sofia, Bulgaria
| | | | - Javier Pizarro-Cerdá
- Yersinia National Reference Laboratory, Institut Pasteur, F-75724 Paris, France
- WHO Collaborating Centre for Yersinia, Institut Pasteur, F-75724 Paris, France
- Yersinia Research Unit, Institut Pasteur, F-75724 Paris, France
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Early evolutionary loss of the lipid A modifying enzyme PagP resulting in innate immune evasion in Yersinia pestis. Proc Natl Acad Sci U S A 2020; 117:22984-22991. [PMID: 32868431 DOI: 10.1073/pnas.1917504117] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Immune evasion through membrane remodeling is a hallmark of Yersinia pestis pathogenesis. Yersinia remodels its membrane during its life cycle as it alternates between mammalian hosts (37 °C) and ambient (21 °C to 26 °C) temperatures of the arthropod transmission vector or external environment. This shift in growth temperature induces changes in number and length of acyl groups on the lipid A portion of lipopolysaccharide (LPS) for the enteric pathogens Yersinia pseudotuberculosis (Ypt) and Yersinia enterocolitica (Ye), as well as the causative agent of plague, Yersinia pestis (Yp). Addition of a C16 fatty acid (palmitate) to lipid A by the outer membrane acyltransferase enzyme PagP occurs in immunostimulatory Ypt and Ye strains, but not in immune-evasive Yp Analysis of Yp pagP gene sequences identified a single-nucleotide polymorphism that results in a premature stop in translation, yielding a truncated, nonfunctional enzyme. Upon repair of this polymorphism to the sequence present in Ypt and Ye, lipid A isolated from a Yp pagP+ strain synthesized two structures with the C16 fatty acids located in acyloxyacyl linkage at the 2' and 3' positions of the diglucosamine backbone. Structural modifications were confirmed by mass spectrometry and gas chromatography. With the genotypic restoration of PagP enzymatic activity in Yp, a significant increase in lipid A endotoxicity mediated through the MyD88 and TRIF/TRAM arms of the TLR4-signaling pathway was observed. Discovery and repair of an evolutionarily lost lipid A modifying enzyme provides evidence of lipid A as a crucial determinant in Yp infectivity, pathogenesis, and host innate immune evasion.
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Whelan R, McVicker G, Leo JC. Staying out or Going in? The Interplay between Type 3 and Type 5 Secretion Systems in Adhesion and Invasion of Enterobacterial Pathogens. Int J Mol Sci 2020; 21:E4102. [PMID: 32521829 PMCID: PMC7312957 DOI: 10.3390/ijms21114102] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 06/03/2020] [Accepted: 06/05/2020] [Indexed: 12/12/2022] Open
Abstract
Enteric pathogens rely on a variety of toxins, adhesins and other virulence factors to cause infections. Some of the best studied pathogens belong to the Enterobacterales order; these include enteropathogenic and enterohemorrhagic Escherichia coli, Shigella spp., and the enteropathogenic Yersiniae. The pathogenesis of these organisms involves two different secretion systems, a type 3 secretion system (T3SS) and type 5 secretion systems (T5SSs). The T3SS forms a syringe-like structure spanning both bacterial membranes and the host cell plasma membrane that translocates toxic effector proteins into the cytoplasm of the host cell. T5SSs are also known as autotransporters, and they export part of their own polypeptide to the bacterial cell surface where it exerts its function, such as adhesion to host cell receptors. During infection with these enteropathogens, the T3SS and T5SS act in concert to bring about rearrangements of the host cell cytoskeleton, either to invade the cell, confer intracellular motility, evade phagocytosis or produce novel structures to shelter the bacteria. Thus, in these bacteria, not only the T3SS effectors but also T5SS proteins could be considered "cytoskeletoxins" that bring about profound alterations in host cell cytoskeletal dynamics and lead to pathogenic outcomes.
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Affiliation(s)
| | | | - Jack C. Leo
- Antimicrobial Resistance, Omics and Microbiota Group, Department of Biosciences, Nottingham Trent University, Nottingham NG1 4FQ, UK; (R.W.); (G.M.)
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Liu B, Bai L, Fu Y, Zhao S, Liu H, Wang R, Wang W, Li Y, Tao Y, Wang Z, Fan J, Liu E. Genetic and molecular features for hepadnavirus and plague infections in the Himalayan marmot. Genome 2020; 63:307-317. [PMID: 32308030 DOI: 10.1139/gen-2019-0161] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The Himalayan marmot (Marmota himalayana), a natural host and transmitter of plague, is also susceptible to the hepadnavirus infection. To reveal the genetic basis of the hepadnavirus susceptibility and the immune response to plague, we systematically characterized the features of immune genes in Himalayan marmot with those of human and mouse. We found that the entire major histocompatibility complex region and the hepatitis B virus pathway genes of the Himalayan marmot were conserved with those of humans. A Trim (tripartite motif) gene cluster involved in immune response and antiviral activity displays dynamic evolution, which is reflected by the duplication of Trim5 and the absence of Trim22 and Trim34. Three key regions of Ntcp, which is critical for hepatitis B virus entry, had high identity among seven species of Marmota. Moreover, we observed a severe alveolar hemorrhage, inflammatory infiltrate in the infected lungs and livers from Himalayan marmots after infection of EV76, a live attenuated Yersinia pestis strain. Lots of immune genes were remarkably up-regulated, which several hub genes Il2rγ, Tra29, and Nlrp7 are placed at the center of the gene network. These findings suggest that Himalayan marmot is a potential animal model for study on the hepadnavirus and plague infection.
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Affiliation(s)
- Baoning Liu
- Laboratory Animal Center, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi 710061, China.,Research Institute of Atherosclerotic Disease, Xi'an Jiaotong University Cardiovascular Research Center, Xi'an, Shaanxi 710061, China
| | - Liang Bai
- Laboratory Animal Center, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi 710061, China.,Research Institute of Atherosclerotic Disease, Xi'an Jiaotong University Cardiovascular Research Center, Xi'an, Shaanxi 710061, China
| | - Yu Fu
- Laboratory Animal Center, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi 710061, China.,Research Institute of Atherosclerotic Disease, Xi'an Jiaotong University Cardiovascular Research Center, Xi'an, Shaanxi 710061, China
| | - Sihai Zhao
- Laboratory Animal Center, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi 710061, China.,Research Institute of Atherosclerotic Disease, Xi'an Jiaotong University Cardiovascular Research Center, Xi'an, Shaanxi 710061, China
| | - Haiqing Liu
- Qinghai Institute for Endemic Disease Prevention and Control, Xining, Qinghai 811602, China
| | - Rong Wang
- Laboratory Animal Center, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi 710061, China.,Research Institute of Atherosclerotic Disease, Xi'an Jiaotong University Cardiovascular Research Center, Xi'an, Shaanxi 710061, China
| | - Weirong Wang
- Laboratory Animal Center, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi 710061, China.,Research Institute of Atherosclerotic Disease, Xi'an Jiaotong University Cardiovascular Research Center, Xi'an, Shaanxi 710061, China
| | - Yandong Li
- Department of Pathology, First Affiliated Hospital of Xi'an Medical University, Xi'an, Shaanxi 710000, China
| | - Yuanqing Tao
- Qinghai Institute for Endemic Disease Prevention and Control, Xining, Qinghai 811602, China
| | - Zhongdong Wang
- Qinghai Institute for Endemic Disease Prevention and Control, Xining, Qinghai 811602, China
| | - Jianglin Fan
- Department of Molecular Pathology, Faculty of Medicine, Interdisciplinary Graduate School of Medicine, University of Yamanashi, Yamanashi 409-3898, Japan
| | - Enqi Liu
- Laboratory Animal Center, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi 710061, China.,Research Institute of Atherosclerotic Disease, Xi'an Jiaotong University Cardiovascular Research Center, Xi'an, Shaanxi 710061, China
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