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Laklaeng SN, Phu DH, Songsri J, Wisessombat S, Mala W, Senghoi W, Phothaworn P, Nuinoon M, Wongtawan T, Klangbud WK. A systematic review and meta-analysis of the global prevalence and relationships among Burkholderia pseudomallei sequence types isolated from humans, animals, and the environment. Vet World 2024; 17:26-36. [PMID: 38406370 PMCID: PMC10884566 DOI: 10.14202/vetworld.2024.26-36] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 12/08/2023] [Indexed: 02/27/2024] Open
Abstract
Background and Aim Burkholderia pseudomallei, a highly pathogenic bacterium responsible for melioidosis, exhibits ecological ubiquity and thrives within soil and water reservoirs, posing significant infection risks to humans and animals through direct contact. The aim of this study was to elucidate the genetic diversity and prevalence patterns of B. pseudomallei sequence types (STs) across a global spectrum and to understand the relationships between strains isolated from different sources. Materials and Methods We performed a systematic review and meta-analysis in this study. Extensive research was carried out across three comprehensive databases, including PubMed, Scopus, and ScienceDirect with data collected from 1924 to 2023. Results A total of 40 carefully selected articles contributed 2737 B. pseudomallei isolates attributed to 729 distinct STs and were incorporated into the systematic review. Among these, ST46 emerged as the most prominent, featuring in 35% of the articles and demonstrating a dominant prevalence, particularly within Southeast Asia. Moreover, ST51 consistently appeared across human, animal, and environmental studies. Subsequently, we performed a meta-analysis, focusing on nine specific STs: ST46, ST51, ST54, ST70, ST84, ST109, ST289, ST325, and ST376. Surprisingly, no statistically significant differences in their pooled prevalence proportions were observed across these compartments for ST46, ST70, ST289, ST325, and ST376 (all p > 0.69). Conversely, the remaining STs, including ST51, ST54, ST84, and ST109, displayed notable variations in their prevalence among the three domains (all p < 0.04). Notably, the pooled prevalence of ST51 in animals and environmental samples surpassed that found in human isolates (p < 0.01). Conclusion To the best of our knowledge, this study is the first systematic review and meta-analysis to investigate the intricate relationships between STs and their sources and contributes significantly to our understanding of B. pseudomallei diversity within the One Health framework.
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Affiliation(s)
- Sa-ngob Laklaeng
- College of Graduate Studies, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Doan Hoang Phu
- College of Graduate Studies, Walailak University, Nakhon Si Thammarat 80160, Thailand
- Faculty of Animal Science and Veterinary Medicine, Nong Lam University, Ho Chi Minh City 70000, Vietnam
| | - Jirarat Songsri
- Center of Excellence in Research for Melioidosis and Microorganisms, Walailak University, Nakhon Si Thammarat 80160, Thailand
- Department of Medical Technology, School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Sueptrakool Wisessombat
- Center of Excellence in Research for Melioidosis and Microorganisms, Walailak University, Nakhon Si Thammarat 80160, Thailand
- Department of Medical Technology, School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Wanida Mala
- Center of Excellence in Research for Melioidosis and Microorganisms, Walailak University, Nakhon Si Thammarat 80160, Thailand
- Department of Medical Technology, School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Wilaiwan Senghoi
- Center of Excellence in Research for Melioidosis and Microorganisms, Walailak University, Nakhon Si Thammarat 80160, Thailand
- Department of Medical Technology, School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Preeda Phothaworn
- Center of Excellence in Research for Melioidosis and Microorganisms, Walailak University, Nakhon Si Thammarat 80160, Thailand
- Department of Medical Technology, School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Manit Nuinoon
- Department of Medical Technology, School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Tuempong Wongtawan
- Akkhraratchakumari Veterinary College, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Wiyada Kwanhian Klangbud
- Center of Excellence in Research for Melioidosis and Microorganisms, Walailak University, Nakhon Si Thammarat 80160, Thailand
- Department of Medical Technology, School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat 80160, Thailand
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Currie BJ, Meumann EM, Kaestli M. The Expanding Global Footprint of Burkholderia pseudomallei and Melioidosis. Am J Trop Med Hyg 2023; 108:1081-1083. [PMID: 37160279 PMCID: PMC10540122 DOI: 10.4269/ajtmh.23-0223] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 04/14/2023] [Indexed: 05/11/2023] Open
Affiliation(s)
- Bart J. Currie
- Global and Tropical Health Division, Menzies School of Health Research, Charles Darwin University, Darwin, Northern Territory, Australia
- Infectious Diseases Department, Royal Darwin Hospital and Northern Territory Medical Program, Darwin, Northern Territory, Australia
| | - Ella M. Meumann
- Global and Tropical Health Division, Menzies School of Health Research, Charles Darwin University, Darwin, Northern Territory, Australia
- Infectious Diseases Department, Royal Darwin Hospital and Northern Territory Medical Program, Darwin, Northern Territory, Australia
- Sullivan Nicolaides Pathology, Brisbane, Queensland, Australia
| | - Mirjam Kaestli
- Global and Tropical Health Division, Menzies School of Health Research, Charles Darwin University, Darwin, Northern Territory, Australia
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Melioidosis and Burkholderia pseudomallei : progress in epidemiology, diagnosis, treatment and vaccination. Curr Opin Infect Dis 2022; 35:517-523. [PMID: 35942848 DOI: 10.1097/qco.0000000000000869] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
PURPOSE OF REVIEW Melioidosis and its causative bacterium Burkholderia pseudomallei are being found in unexpected locations and bacterial genotyping is providing new insights into global spread and where and how individuals are being infected. This review summarizes recent studies covering the epidemiology, diagnosis, treatment, and prevention of melioidosis. RECENT FINDINGS Whole-genome sequencing of B. pseudomallei from patients and environmental sampling is informing the phylogeography of B. pseudomallei at regional, continental, and global levels, while also defining the epidemiology for individual cases. The situation in Africa remains the most unresolved, while the evolving story of B. pseudomallei in the Americas may establish that B. pseudomallei is endemic in parts of southern USA. Guidelines for diagnosis and treatment of melioidosis are well established, and published mortality has decreased from 50% or higher to 10% or lower in some countries but access to laboratory and therapeutic resources are not available or are extremely limited in many melioidosis-endemic regions. SUMMARY The enormous clinical diversity of melioidosis and the complexities of laboratory diagnosis and of treatment make it a sentinel disease for highlighting the continuing global disparities in access to and provision of healthcare.
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Taetzsch SJ, Swaney EM, Gee JE, Hidalgo PM, Broussard KR, Martines RB, Blaney DD, Galland GG, Gulvik CA, Marston CK, Liu L, Elrod MG, DeLeon-Carnes M, Tyler RD, Bower WA, Bhatnager J, Brown CM, Pieracci EG, Weiner ZP. Melioidosis in Cynomolgus Macaques ( Macaca Fascicularis ) Imported to the United States from Cambodia. Comp Med 2022; 72:394-402. [PMID: 36744511 PMCID: PMC9827603 DOI: 10.30802/aalas-cm-22-000024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Melioidosis, a potentially fatal infectious disease of humans and animals, including nonhuman primates (NHPs), is caused by the high-consequence pathogen Burkholderia pseudomallei. This environmental bacterium is found in the soil and water of tropical regions, such as Southeast Asia, where melioidosis is endemic. The global movement of humans and animals can introduce B. pseudomallei into nonendemic regions of the United States, where environmental conditions could allow establishment of the organism. Approximately 60% of NHPs imported into the United States originate in countries considered endemic for melioidosis. To prevent the introduction of infectious agents to the United States, the Centers for Disease Control and Prevention (CDC) requires newly imported NHPs to be quarantined for at least 31 d, during which time their health is closely monitored. Most diseases of public health concern that are transmissible from imported NHPs have relatively short incubation periods that fall within the 31-d quarantine period. However, animals infected with B. pseudomallei may appear healthy for months to years before showing signs of illness, during which time they can shed the organism into the environment. Melioidosis presents diagnostic challenges because it causes nonspecific clinical signs, serologic screening can produce unreliable results, and culture isolates are often misidentified on rapid commercial testing systems. Here, we present a case of melioidosis in a cynomolgus macaque (Macaca fascicularis) that developed a subcutaneous abscess after importation from Cambodia to the United States. The bacterial isolate from the abscess was initially misidentified on a commercial test. This case emphasizes the possibility of melioidosis in NHPs imported from endemic countries and its associated diagnostic challenges. If melioidosis is suspected, diagnostic samples and culture isolates should be submitted to a laboratory in the CDC Laboratory Response Network for conclusive identification and characterization of the pathogen.
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Affiliation(s)
- Sara J Taetzsch
- Centers for Disease Control and Prevention, Atlanta, Georgia,,Corresponding author.
| | - Erin M Swaney
- Texas Department of State Health Services Laboratory, Austin, Texas
| | - Jay E Gee
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | | | - Kelly R Broussard
- Zoonosis Control Branch, Texas Department of State Health Services, Austin, Texas
| | | | - David D Blaney
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | - G Gale Galland
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | | | - Chung K Marston
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Lindy Liu
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Mindy G Elrod
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | | | - Ronald D Tyler
- Zoonosis Control Branch, Texas Department of State Health Services, Austin, Texas
| | - William A Bower
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Julu Bhatnager
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Clive M Brown
- Centers for Disease Control and Prevention, Atlanta, Georgia
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Wongpalee SP, Thananchai H, Chewapreecha C, Roslund HB, Chomkatekaew C, Tananupak W, Boonklang P, Pakdeerat S, Seng R, Chantratita N, Takarn P, Khamnoi P. Highly specific and sensitive detection of Burkholderia pseudomallei genomic DNA by CRISPR-Cas12a. PLoS Negl Trop Dis 2022; 16:e0010659. [PMID: 36037185 PMCID: PMC9423629 DOI: 10.1371/journal.pntd.0010659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Accepted: 07/12/2022] [Indexed: 11/18/2022] Open
Abstract
Detection of Burkholderia pseudomallei, a causative bacterium for melioidosis, remains a challenging undertaking due to long assay time, laboratory requirements, and the lack of specificity and sensitivity of many current assays. In this study, we are presenting a novel method that circumvents those issues by utilizing CRISPR-Cas12a coupled with isothermal amplification to identify B. pseudomallei DNA from clinical isolates. Through in silico search for conserved CRISPR-Cas12a target sites, we engineered the CRISPR-Cas12a to contain a highly specific spacer to B. pseudomallei, named crBP34. The crBP34-based detection assay can detect as few as 40 copies of B. pseudomallei genomic DNA while discriminating against other tested common pathogens. When coupled with a lateral flow dipstick, the assay readout can be simply performed without the loss of sensitivity and does not require expensive equipment. This crBP34-based detection assay provides high sensitivity, specificity and simple detection method for B. pseudomallei DNA. Direct use of this assay on clinical samples may require further optimization as these samples are complexed with high level of human DNA. Melioidosis is a fatal infectious disease caused by a Gram-negative bacterium called Burkholderia pseudomallei. The bacteria can be found in many parts of the world, especially in the tropical and subtropical regions. Infection displays a variety of symptoms such as pneumonia, organ abscess and septicemia. The latter can lead to death within 24–48 hours if not properly diagnosed and treated. Rapid and accurate diagnosis, consequently, are essential for saving patients’ lives. Currently, culturing B. pseudomallei is a gold standard diagnostic method, but the assay turnaround time is 2–4 days, and the result could be of low sensitivity. Other detection methods such as real-time PCR and serological assays are limited by availability of equipment and by low specificity in endemic areas, respectively. For these reasons, in this study we developed a specific, sensitive and rapid detection assay for B. pseudomallei DNA, that is based on CRISPR-Cas12a system. The CRISPR-Cas12a is a protein-RNA complex that recognizes DNA. The RNA can be reprogramed to guide the detection of any DNA of interest, which in our case B. pseudomallei genomic DNA. Our data showed that this assay exhibited a 100% specificity to B. pseudomallei while discriminating against 10 other pathogens and human. The assay can detect B. pseudomallei DNA in less than one hour and does not require sophisticated equipment.
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Affiliation(s)
- Somsakul Pop Wongpalee
- Department of Microbiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- * E-mail:
| | - Hathairat Thananchai
- Department of Microbiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Claire Chewapreecha
- Mahidol Oxford Tropical Medicine Research Unit (MORU), Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
- Parasites and Microbes Programme, Wellcome Sanger Institute, Hinxton, United Kingdom
| | - Henrik B. Roslund
- Department of Microbiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Chalita Chomkatekaew
- Mahidol Oxford Tropical Medicine Research Unit (MORU), Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Warunya Tananupak
- Department of Microbiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Phumrapee Boonklang
- Mahidol Oxford Tropical Medicine Research Unit (MORU), Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Sukritpong Pakdeerat
- Mahidol Oxford Tropical Medicine Research Unit (MORU), Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Rathanin Seng
- Department of Microbiology and Immunology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Narisara Chantratita
- Department of Microbiology and Immunology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Piyawan Takarn
- Department of Microbiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Phadungkiat Khamnoi
- Microbiology Unit, Diagnostic Laboratory, Maharaj Nakorn Chiang Mai Hospital, Chiang Mai, Thailand
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