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Lyu D, Duan Q, Duan R, Qin S, Zheng X, Lu X, Bukai A, Zhang P, Han H, He Z, Sha H, Wu D, Xiao M, Jing H, Wang X. Symbiosis of a lytic bacteriophage and Yersinia pestis and characteristics of plague in Marmota himalayana. Appl Environ Microbiol 2024:e0099524. [PMID: 39023266 DOI: 10.1128/aem.00995-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2024] [Accepted: 06/27/2024] [Indexed: 07/20/2024] Open
Abstract
Surveillance for animal plague was conducted in the Marmota himalayana plague focus of the Qinghai-Tibet Plateau from 2020 to 2023. A 22.89% positive rate of serum F1 antibody was detected in live-caught marmots, alongside a 43.40% incidence of Yersinia pestis isolation from marmot carcasses. Marmot carcasses infected with plague exhibited a significantly higher spleen-somatic index (P < 0.05). Twenty-one Y. pestis-specific phages were isolated, among which one Y. pestis lytic phage (AKS2022HT87GU_phi) was isolated from the bone marrow of a marmot carcass (no. AKS2022HT87) and was found to be symbiotic with Y. pestis. Microscopy revealed the coexistence of lysed and non-lysed colonies of Y. pestis AKS2022HT87. Genome-wide analysis showed that certain strains of the Y. pestis AKS2022HT87 carried phage DNA fragments consistent with phage AKS2022HT87GU_phi. The rare symbiotic relationship between a lytic phage and Y. pestis observed in vitro was highlighted in this study, laying the basis for further exploring the relationship between Y. pestis and its bacteriophages.IMPORTANCEBacteriophages and host bacteria commonly coexist in vivo or in soil environments through complex and interdependent microbial interactions. However, recapitulating this symbiotic state remains challenging in vitro due to limited medium nutrients. In this work, the natural symbiosis between Yersinia pestis and specific phages has been discovered in a Marmota himalayana specimen. Epidemiological analysis presented the characteristics of the Y. pestis and specific phages in the area with a strong plague epidemic. Crucially, comparative genomics has been conducted to analyze the genetic changes in both the Y. pestis and phages over different periods, revealing the dynamic and evolving nature of their symbiosis. These are the critical steps to study the mechanism of the symbiosis.
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Affiliation(s)
- Dongyue Lyu
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Qun Duan
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Ran Duan
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Shuai Qin
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Xiaojin Zheng
- Akesai Kazakh Autonomous County Center for Disease Control and Prevention, Jiuquan, Gansu, China
| | - Xinmin Lu
- Akesai Kazakh Autonomous County Center for Disease Control and Prevention, Jiuquan, Gansu, China
| | - Asaiti Bukai
- Akesai Kazakh Autonomous County Center for Disease Control and Prevention, Jiuquan, Gansu, China
| | - Peng Zhang
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Haonan Han
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Zhaokai He
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Hanyu Sha
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Di Wu
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Meng Xiao
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Huaiqi Jing
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Xin Wang
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
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Fajardo-Lubian A, Venturini C. Use of Bacteriophages to Target Intracellular Pathogens. Clin Infect Dis 2023; 77:S423-S432. [PMID: 37932114 DOI: 10.1093/cid/ciad515] [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: 11/08/2023] Open
Abstract
Bacteriophages (phages) have shown great potential as natural antimicrobials against extracellular pathogens (eg, Escherichia coli or Klebsiella pneumoniae), but little is known about how they interact with intracellular targets (eg, Shigella spp., Salmonella spp., Mycobacterium spp.) in the mammalian host. Recent research has demonstrated that phages can enter human cells. However, for the design of successful clinical applications, further investigation is required to define their subcellular behavior and to understand the complex biological processes that underlie the interaction with their bacterial targets. In this review, we summarize the molecular evidence of phage internalization in eucaryotic cells, with specific focus on proof of phage activity against their bacterial targets within the eucaryotic host, and the current proposed strategies to overcome poor penetrance issues that may impact therapeutic use against the most clinically relevant intracellular pathogens.
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Affiliation(s)
- Alicia Fajardo-Lubian
- Faculty of Medicine and Health, Sydney ID Institute, University of Sydney, Sydney, New South Wales, Australia
- Centre for Infectious Diseases and Microbiology, Westmead Institute for Medical Research, Westmead, New South Wales, Australia
| | - Carola Venturini
- Centre for Infectious Diseases and Microbiology, Westmead Institute for Medical Research, Westmead, New South Wales, Australia
- Faculty of Science, Sydney School of Veterinary Science, University of Sydney, Sydney, New South Wales, Australia
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Qi Z, Meng B, Wei X, Li X, Peng H, Li Y, Feng Q, Huang Y, Zhang Q, Xu X, Zhao H, Yang X, Wang C, Zhao X. Identification and characterization of P2-like bacteriophages of Yersinia pestis. Virus Res 2022; 322:198934. [PMID: 36169047 DOI: 10.1016/j.virusres.2022.198934] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 09/09/2022] [Accepted: 09/19/2022] [Indexed: 12/24/2022]
Abstract
Yersinia pestis is the cause of plague, historically known as the "Black Death". Marmota himalayana in the Qinghai-Tibet Plateau (QTP) natural plague focus is the primary host in China. Although several phages originating from Y. pestis have been characterized. This is the first report of isolation of P2-like phages of Y. pestis from M. himalayana. In this study, the isolation and characterization of three P2-like phages of Y. pestis were reported, which were named as vB_YpM_22, vB_YpM_46 and vB_YpM_50. Comparative genome analysis revealed that vB_YpM_22, vB_YpM_46 and vB_YpM_50 are members of the nonlambdoid P2 family, and are highly similar and collinear with enterobacteriophage P2, plague diagnostic phage L-413C and enterobacteriophage fiAA91-ss. The role of LPS core structure of Y. pestis in the phages' receptor was pinpointed. The findings of this study contribute an advance in our current knowledge of Y. pestis phages and will also play a key role in understanding the evolution of Y. pestis phages.
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Affiliation(s)
- Zhizhen Qi
- Qinghai Institute for Endemic Disease Prevention and Control of Qinghai Province, Key Laboratory for Plague Prevention and Control of Qinghai Province, Xining, China
| | - Biao Meng
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, China; Institute of Disease Control and Prevention, Chinese PLA Center for Disease Control and Prevention, Beijing, China
| | - Xiao Wei
- Institute of Disease Control and Prevention, Chinese PLA Center for Disease Control and Prevention, Beijing, China
| | - Xiang Li
- Qinghai Institute for Endemic Disease Prevention and Control of Qinghai Province, Key Laboratory for Plague Prevention and Control of Qinghai Province, Xining, China
| | - Hong Peng
- Institute of Disease Control and Prevention, Chinese PLA Center for Disease Control and Prevention, Beijing, China
| | - Yan Li
- Institute of Disease Control and Prevention, Chinese PLA Center for Disease Control and Prevention, Beijing, China
| | - Qunling Feng
- PLA 63750 Military Hospital, Xi'an, Shaanxi, China
| | - Yanan Huang
- PLA 63750 Military Hospital, Xi'an, Shaanxi, China
| | - Qi Zhang
- Qinghai Institute for Endemic Disease Prevention and Control of Qinghai Province, Key Laboratory for Plague Prevention and Control of Qinghai Province, Xining, China
| | - Xiaoqing Xu
- Qinghai Institute for Endemic Disease Prevention and Control of Qinghai Province, Key Laboratory for Plague Prevention and Control of Qinghai Province, Xining, China
| | - Haihong Zhao
- Qinghai Institute for Endemic Disease Prevention and Control of Qinghai Province, Key Laboratory for Plague Prevention and Control of Qinghai Province, Xining, China
| | - Xiaoyan Yang
- Qinghai Institute for Endemic Disease Prevention and Control of Qinghai Province, Key Laboratory for Plague Prevention and Control of Qinghai Province, Xining, China
| | - Changjun Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, China; Institute of Disease Control and Prevention, Chinese PLA Center for Disease Control and Prevention, Beijing, China.
| | - Xiangna Zhao
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, China; Institute of Disease Control and Prevention, Chinese PLA Center for Disease Control and Prevention, Beijing, China.
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Phage Therapy Potentiates Second-Line Antibiotic Treatment against Pneumonic Plague. Viruses 2022; 14:v14040688. [PMID: 35458417 PMCID: PMC9024586 DOI: 10.3390/v14040688] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 03/23/2022] [Accepted: 03/24/2022] [Indexed: 02/01/2023] Open
Abstract
Plague pandemics and outbreaks have killed millions of people during the history of humankind. The disease, caused by the bacteria Yersinia pestis, is currently treated effectively with antibiotics. However, in the case of multidrug-resistant (MDR) bacteria, alternative treatments are required. Bacteriophage (phage) therapy has shown efficient antibacterial activity in various experimental animal models and in human patients infected with different MDR pathogens. Here, we evaluated the efficiency of фA1122 and PST phage therapy, alone or in combination with second-line antibiotics, using a well-established mouse model of pneumonic plague. Phage treatment significantly delayed mortality and limited bacterial proliferation in the lungs. However, the treatment did not prevent bacteremia, suggesting that phage efficiency may decrease in the circulation. Indeed, in vitro phage proliferation assays indicated that blood exerts inhibitory effects on lytic activity, which may be the major cause of treatment inefficiency. Combining phage therapy and second-line ceftriaxone treatment, which are individually insufficient, provided protection that led to the survival of all infected animals—a synergistic protective effect that represents a proof of concept for efficient combinatorial therapy in an emergency event of a plague outbreak involving MDR Y. pestis strains.
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Lipopolysaccharide of the Yersinia pseudotuberculosis Complex. Biomolecules 2021; 11:biom11101410. [PMID: 34680043 PMCID: PMC8533242 DOI: 10.3390/biom11101410] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 08/27/2021] [Accepted: 09/21/2021] [Indexed: 11/16/2022] Open
Abstract
Lipopolysaccharide (LPS), localized in the outer leaflet of the outer membrane, serves as the major surface component of the Gram-negative bacterial cell envelope responsible for the activation of the host's innate immune system. Variations of the LPS structure utilized by Gram-negative bacteria promote survival by providing resistance to components of the innate immune system and preventing recognition by TLR4. This review summarizes studies of the biosynthesis of Yersinia pseudotuberculosis complex LPSs, and the roles of their structural components in molecular mechanisms of yersiniae pathogenesis and immunogenesis.
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Dudina LG, Novikova OD, Portnyagina OY, Khomenko VA, Konyshev IV, Byvalov AA. Role of Lipopolysaccharide and Nonspecific Porins of Yersinia pseudotuberculosis in the Reception of Pseudotuberculous Diagnostic Bacteriophage. APPL BIOCHEM MICRO+ 2021. [DOI: 10.1134/s0003683821040049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Sebbane F, Lemaître N. Antibiotic Therapy of Plague: A Review. Biomolecules 2021; 11:724. [PMID: 34065940 PMCID: PMC8151713 DOI: 10.3390/biom11050724] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 05/04/2021] [Accepted: 05/07/2021] [Indexed: 12/15/2022] Open
Abstract
Plague-a deadly disease caused by the bacterium Yersinia pestis-is still an international public health concern. There are three main clinical forms: bubonic plague, septicemic plague, and pulmonary plague. In all three forms, the symptoms appear suddenly and progress very rapidly. Early antibiotic therapy is essential for countering the disease. Several classes of antibiotics (e.g., tetracyclines, fluoroquinolones, aminoglycosides, sulfonamides, chloramphenicol, rifamycin, and β-lactams) are active in vitro against the majority of Y. pestis strains and have demonstrated efficacy in various animal models. However, some discrepancies have been reported. Hence, health authorities have approved and recommended several drugs for prophylactic or curative use. Only monotherapy is currently recommended; combination therapy has not shown any benefits in preclinical studies or case reports. Concerns about the emergence of multidrug-resistant strains of Y. pestis have led to the development of new classes of antibiotics and other therapeutics (e.g., LpxC inhibitors, cationic peptides, antivirulence drugs, predatory bacteria, phages, immunotherapy, host-directed therapy, and nutritional immunity). It is difficult to know which of the currently available treatments or therapeutics in development will be most effective for a given form of plague. This is due to the lack of standardization in preclinical studies, conflicting data from case reports, and the small number of clinical trials performed to date.
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Affiliation(s)
- Florent Sebbane
- Univ. Lille, Inserm, CNRS, Institut Pasteur Lille, U1019—UMR 9017—CIIL—Center for Infection and Immunity of Lille, F-59000 Lille, France
| | - Nadine Lemaître
- Univ. Lille, Inserm, CNRS, Institut Pasteur Lille, U1019—UMR 9017—CIIL—Center for Infection and Immunity of Lille, F-59000 Lille, France
- Laboratoire de Bactériologie-Hygiène, Centre Hospitalier Universitaire Amiens Picardie, UR 4294, Agents Infectieux, Résistance et Chimiothérapie (AGIR), Université de Picardie Jules Verne, F-80000 Amiens, France
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8
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Bodner K, Melkonian AL, Covert MW. The Enemy of My Enemy: New Insights Regarding Bacteriophage-Mammalian Cell Interactions. Trends Microbiol 2020; 29:528-541. [PMID: 33243546 DOI: 10.1016/j.tim.2020.10.014] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 10/19/2020] [Accepted: 10/29/2020] [Indexed: 12/22/2022]
Abstract
Bacteriophages (phages) are the most abundant biological entity in the human body, but until recently the role that phages play in human health was not well characterized. Although phages do not cause infections in human cells, phages can alter the severity of bacterial infections by the dissemination of virulence factors amongst bacterial hosts. Recent studies, made possible with advances in genome engineering and microscopy, have uncovered a novel role for phages in the human body - the ability to modulate the physiology of the mammalian cells that can harbor intracellular bacteria. In this review, we synthesize key results on how phages traverse through mammalian cells - including uptake, distribution, and interaction with intracellular receptors - highlighting how these steps in turn influence host cell killing of bacteria. We discuss the implications of the growing field of phage-mammalian cell interactions for phage therapy.
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Affiliation(s)
- Katie Bodner
- Department of Bioengineering, Stanford University, Stanford, CA, 94305, USA; Allen Discovery Center for Systems Modeling of Infection, Stanford University, Stanford, CA, 94305, USA
| | - Arin L Melkonian
- Department of Bioengineering, Stanford University, Stanford, CA, 94305, USA; Allen Discovery Center for Systems Modeling of Infection, Stanford University, Stanford, CA, 94305, USA
| | - Markus W Covert
- Department of Bioengineering, Stanford University, Stanford, CA, 94305, USA; Allen Discovery Center for Systems Modeling of Infection, Stanford University, Stanford, CA, 94305, USA.
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Reuter M, Kruger DH. Approaches to optimize therapeutic bacteriophage and bacteriophage-derived products to combat bacterial infections. Virus Genes 2020; 56:136-149. [PMID: 32036540 PMCID: PMC7223754 DOI: 10.1007/s11262-020-01735-7] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Accepted: 01/18/2020] [Indexed: 12/14/2022]
Abstract
The emerging occurrence of antibiotic-resistant bacterial pathogens leads to a recollection of bacteriophage as antimicrobial therapeutics. This article presents a short overview of the clinical phage application including their use in military medicine and discusses the genotypic and phenotypic properties of a potential "ideal" therapeutic phage. We describe current efforts to engineer phage for their improved usability in pathogen treatment. In addition, phage can be applied for pathogen detection, selective drug delivery, vaccine development, or food and surface decontamination. Instead of viable phage, (engineered) phage-derived enzymes, such as polysaccharide depolymerases or peptidoglycan-degrading enzymes, are considered as promising therapeutic candidates. Finally, we briefly summarize the use of phage for the detection and treatment of "Category A priority pathogens".
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Affiliation(s)
- Monika Reuter
- Institute of Virology, Helmut-Ruska-Haus, Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität Zu Berlin, and Berlin Institute of Health, Charitéplatz 1, 10117 Berlin, Germany
| | - Detlev H. Kruger
- Institute of Virology, Helmut-Ruska-Haus, Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität Zu Berlin, and Berlin Institute of Health, Charitéplatz 1, 10117 Berlin, Germany
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Bacteriophage Therapy: Developments and Directions. Antibiotics (Basel) 2020; 9:antibiotics9030135. [PMID: 32213955 PMCID: PMC7148498 DOI: 10.3390/antibiotics9030135] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 03/17/2020] [Accepted: 03/18/2020] [Indexed: 02/06/2023] Open
Abstract
In an era of proliferating multidrug resistant bacterial infections that are exhausting the capacity of existing chemical antibiotics and in which the development of new antibiotics is significantly rarer, Western medicine must seek additional therapeutic options that can be employed to treat these infections. Among the potential antibacterial solutions are bacteriophage therapeutics, which possess very different properties from broad spectrum antibiotics that are currently the standard of care, and which can be used in combination with them and often provide synergies. In this review we summarize the state of the development of bacteriophage therapeutics and discuss potential paths to the implementation of phage therapies in contemporary medicine, focused on fixed phage cocktail therapeutics since these are likely to be the first bacteriophage products licensed for broad use in Western countries.
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Ditchburn JL, Hodgkins R. Yersinia pestis, a problem of the past and a re-emerging threat. BIOSAFETY AND HEALTH 2019. [DOI: 10.1016/j.bsheal.2019.09.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
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Abstract
Bacteriophage play many varied roles in microbial ecology and evolution. This chapter collates a vast body of knowledge and expertise on Yersinia pestis phages, including the history of their isolation and classical methods for their isolation and identification. The genomic diversity of Y. pestis phage and bacteriophage islands in the Y. pestis genome are also discussed because all phage research represents a branch of genetics. In addition, our knowledge of the receptors that are recognized by Y. pestis phage, advances in phage therapy for Y. pestis infections, the application of phage in the detection of Y. pestis, and clustered regularly interspaced short palindromic repeats (CRISPRs) sequences of Y. pestis from prophage DNA are all reviewed here.
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