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Brangsch H, Singha H, Laroucau K, Elschner M. Sequence-based detection and typing procedures for Burkholderia mallei: Assessment and prospects. Front Vet Sci 2022; 9:1056996. [PMID: 36452150 PMCID: PMC9703372 DOI: 10.3389/fvets.2022.1056996] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 10/26/2022] [Indexed: 10/28/2023] Open
Abstract
Although glanders has been eradicated in most of the developed world, the disease still persists in various countries such as Brazil, India, Pakistan, Bangladesh, Nepal, Iran, Bahrain, UAE and Turkey. It is one of the notifiable diseases listed by the World Organization for Animal Health. Occurrence of glanders imposes restriction on equestrian events and restricts equine movement, thus causing economic losses to equine industry. The genetic diversity and global distribution of the causing agent, Burkholderia (B.) mallei, have not been assessed in detail and are complicated by the high clonality of this organism. Among the identification and typing methods, PCR-based methods for distinguishing B. mallei from its close relative B. pseudomallei as well as genotyping using tandem repeat regions (MLVA) are established. The advent and continuous advancement of the sequencing techniques and the reconstruction of closed genomes enable the development of genome guided epidemiological tools. For achieving a higher genomic resolution, genotyping methods based on whole genome sequencing data can be employed, like genome-wide single nucleotide polymorphisms. One of the limitations in obtaining complete genomic sequences for further molecular characterization of B. mallei is its high GC content. In this review, we aim to provide an overview of the widely used detection and typing methods for B. mallei and illustrate gaps that still require development. The genomic features of Burkholderia, their high homology and clonality will be first described from a comparative genomics perspective. Then, the commonly used molecular detection (PCR systems) and typing systems (e.g., multilocus sequence typing, variable number of tandem repeat analysis) will be presented and put in perspective with recently developed genomic methods. Also, the increasing availability of B. mallei genomic sequences and evolution of the sequencing methods offers exciting prospects for further refinement of B. mallei typing, that could overcome the difficulties presently encountered with this particular bacterium.
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Affiliation(s)
- Hanka Brangsch
- Institute of Bacterial Infections and Zoonoses, Friedrich-Loeffler-Institut – Federal Research Institute for Animal Health, Jena, Germany
| | | | - Karine Laroucau
- Bacterial Zoonosis Unit, Animal Health Laboratory, French Food Agency (Anses), Maisons-Alfort, France
| | - Mandy Elschner
- Institute of Bacterial Infections and Zoonoses, Friedrich-Loeffler-Institut – Federal Research Institute for Animal Health, Jena, Germany
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Tambong JT, Xu R, Bromfield ESP. Pseudomonas canadensis sp. nov., a biological control agent isolated from a field plot under long-term mineral fertilization. Int J Syst Evol Microbiol 2017; 67:889-895. [PMID: 27902304 PMCID: PMC5817194 DOI: 10.1099/ijsem.0.001698] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The bacterial strain 2-92T, isolated from a field plot under long-term (>40 years) mineral fertilization, exhibited in vitro antagonistic properties against fungal pathogens. A polyphasic approach was undertaken to verify its taxonomic status. Strain 2-92T was Gram-reaction-negative, aerobic, non-spore-forming, motile by one or more flagella, and oxidase-, catalase- and urease-positive. The optimal growth temperature of strain 2-92T was 30 °C. 16S rRNA gene sequence analysis demonstrated that the strain is related to species of the genus Pseudomonas. Phylogenetic analysis of six housekeeping genes (dnaA, gyrB, recA, recF, rpoB and rpoD) revealed that strain 2-92T clustered as a distinct and well separated lineage with Pseudomonassimiae as the most closely related species. Polar lipid and fatty acid compositions corroborated the taxonomic position of strain 2-92T in the genus Pseudomonas. Phenotypic characteristics from carbon utilization tests could be used to differentiate strain 2-92T from closely related species of the genus Pseudomonas. DNA-DNA hybridization values (wet laboratory and genome-based) and average nucleotide identity data confirmed that this strain represents a novel species. On the basis of phenotypic and genotypic characteristics, it is concluded that this strain represents a separate novel species for which the name Pseudomonas canadensis sp. nov. is proposed, with type strain 2-92T (=LMG 28499T=DOAB 798T). The DNA G+C content is 60.30 mol%.
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Affiliation(s)
- James T Tambong
- Ottawa Research and Development Centre, Agriculture and Agri-Food Canada, 960 Carling Avenue, Ottawa, Ontario K1A 0C6, Canada
| | - Renlin Xu
- Ottawa Research and Development Centre, Agriculture and Agri-Food Canada, 960 Carling Avenue, Ottawa, Ontario K1A 0C6, Canada
| | - Eden S P Bromfield
- Ottawa Research and Development Centre, Agriculture and Agri-Food Canada, 960 Carling Avenue, Ottawa, Ontario K1A 0C6, Canada
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Gupta A, Sharma VK. Using the taxon-specific genes for the taxonomic classification of bacterial genomes. BMC Genomics 2015; 16:396. [PMID: 25990029 PMCID: PMC4438512 DOI: 10.1186/s12864-015-1542-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2014] [Accepted: 04/17/2015] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND The correct taxonomic assignment of bacterial genomes is a primary and challenging task. With the availability of whole genome sequences, the gene content based approaches appear promising in inferring the bacterial taxonomy. The complete genome sequencing of a bacterial genome often reveals a substantial number of unique genes present only in that genome which can be used for its taxonomic classification. RESULTS In this study, we have proposed a comprehensive method which uses the taxon-specific genes for the correct taxonomic assignment of existing and new bacterial genomes. The taxon-specific genes identified at each taxonomic rank have been successfully used for the taxonomic classification of 2,342 genomes present in the NCBI genomes, 36 newly sequenced genomes, and 17 genomes for which the complete taxonomy is not yet known. This approach has been implemented for the development of a tool 'Microtaxi' which can be used for the taxonomic assignment of complete bacterial genomes. CONCLUSION The taxon-specific gene based approach provides an alternate valuable methodology to carry out the taxonomic classification of newly sequenced or existing bacterial genomes.
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Affiliation(s)
- Ankit Gupta
- MetaInformatics Laboratory, Metagenomics and Systems Biology Group, Department of Biological Sciences, Indian Institute of Science Education and Research Bhopal, Madhya Pradesh, India.
| | - Vineet K Sharma
- MetaInformatics Laboratory, Metagenomics and Systems Biology Group, Department of Biological Sciences, Indian Institute of Science Education and Research Bhopal, Madhya Pradesh, India.
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Whiteduck-Léveillée K, Whiteduck-Léveillée J, Cloutier M, Tambong JT, Xu R, Topp E, Arts MT, Chao J, Adam Z, André Lévesque C, Lapen DR, Villemur R, Talbot G, Khan IUH. Arcobacter lanthieri sp. nov., isolated from pig and dairy cattle manure. Int J Syst Evol Microbiol 2015; 65:2709-2716. [PMID: 25977280 DOI: 10.1099/ijs.0.000318] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
A study was undertaken to determine the prevalence and diversity of species of the genus Arcobacter in pig and dairy cattle manure, which led to the identification of strains AF1440T, AF1430 and AF1581. Initially identified as Arcobacter butzleri based on colony morphology and initial PCR-confirmation tests, analyses of 16S rRNA gene sequences of these strains confirmed that they belonged to the genus Arcobacter and were different from all known species of the genus. The isolates formed a distinct group within the genus Arcobacter based on their 16S rRNA, gyrB, rpoB, cpn60, gyrA and atpA gene sequences and fatty acid profiles. Their unique species status was further supported by physiological properties and DNA-DNA hybridization that allowed phenotypic and genotypic differentiation of the strains from other species of the genus Arcobacter. The isolates were found to be oxidase, catalase and esterase positive and urease negative; they grew well at 30 °C under microaerophilic conditions and produced nitrite and acetoin. Based on their common origin and various physiological properties, it is proposed that the isolates are classified as members of a novel species with the name Arcobacter lanthieri sp. nov. The type strain is AF1440T ( = LMG 28516T = CCUG 66485T); strains AF1430 ( = LMG 28515 = CCUG 66486) and AF1581 ( = LMG 28517 = CCUG 66487) are reference strains.
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Affiliation(s)
- Kerri Whiteduck-Léveillée
- Eastern Cereal and Oilseed Research Centre (ECORC), Agriculture and Agri-Food Canada, Ottawa, ON, Canada
| | - Jenni Whiteduck-Léveillée
- Eastern Cereal and Oilseed Research Centre (ECORC), Agriculture and Agri-Food Canada, Ottawa, ON, Canada
| | - Michel Cloutier
- Eastern Cereal and Oilseed Research Centre (ECORC), Agriculture and Agri-Food Canada, Ottawa, ON, Canada
| | - James T Tambong
- Eastern Cereal and Oilseed Research Centre (ECORC), Agriculture and Agri-Food Canada, Ottawa, ON, Canada
| | - Renlin Xu
- Eastern Cereal and Oilseed Research Centre (ECORC), Agriculture and Agri-Food Canada, Ottawa, ON, Canada
| | - Edward Topp
- Southern Crop Protection and Food Research Centre (SCPFRC), Agriculture and Agri-Food Canada, London, ON, Canada
| | - Michael T Arts
- Department of Chemistry and Biology, Ryerson University, Toronto, ON, Canada
| | - Jerry Chao
- Ontario Ministry of the Environment, Toronto, ON, Canada
| | - Zaky Adam
- Eastern Cereal and Oilseed Research Centre (ECORC), Agriculture and Agri-Food Canada, Ottawa, ON, Canada
| | - C André Lévesque
- Eastern Cereal and Oilseed Research Centre (ECORC), Agriculture and Agri-Food Canada, Ottawa, ON, Canada
| | - David R Lapen
- Eastern Cereal and Oilseed Research Centre (ECORC), Agriculture and Agri-Food Canada, Ottawa, ON, Canada
| | - Richard Villemur
- INRS-Institute Armand-Frappier Research Centre, Laval, QC, Canada
| | - Guylaine Talbot
- Dairy and Swine Research Development Centre, Agriculture and Agri-Food Canada, Sherbrooke, QC, Canada
| | - Izhar U H Khan
- Eastern Cereal and Oilseed Research Centre (ECORC), Agriculture and Agri-Food Canada, Ottawa, ON, Canada
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Fushan A, Monastyrskaya G, Abaev I, Sverdlov E. Genomic fingerprinting of Burkholderia pseudomallei and B. mallei pathogens with DNA array based on interspecies sequence differences obtained by subtractive hybridization. Res Microbiol 2006; 157:684-92. [PMID: 16621455 DOI: 10.1016/j.resmic.2006.02.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2005] [Revised: 02/13/2006] [Accepted: 02/23/2006] [Indexed: 11/30/2022]
Abstract
The ability to rapidly and efficiently identify causative agents of dangerous human and animal diseases is a prerequisite to diagnosis, prophylaxis and therapy. Such identification systems can be developed based on DNA markers enabling differentiation between various bacterial strains. One source of these markers is genetic polymorphism. An efficient method for detecting the most stable polymorphisms without knowledge of genomic sequences is subtractive hybridization. In this work we report an approach to typing of Burkholderia pseudomallei and B. mallei that cause melioidosis and glanders, respectively. Typing is based on hybridization of bacterial genomes with a DNA array of genomic markers obtained using subtractive hybridization. The array comprised 55 DNA fragments which distinguished the genomes of B. pseudomallei C-141 and B. mallei C-5 strains, and it was used to test 28 radioactively labeled B. pseudomallei strains and 8 B. mallei strains. Each strain was characterized by a specific hybridization pattern, and the results were analyzed using cluster analysis. 18 patterns specific to B. pseudomallei and 6 patterns specific to B. mallei were found to be unique. The data allowed us to differentiate most studied B. pseudomallei variants from one another and from B. mallei strains. It was concluded that DNA markers obtained by subtractive hybridization can be potentially useful for molecular typing of B. pseudomallei and B. mallei strains, as well as for their molecular diagnosis. The method reported can be easily adapted for use both with DNA arrays and DNA microarrays with fluorescent probes.
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Affiliation(s)
- Alexey Fushan
- Laboratory of Structure and Functions of Human Genes, M. M. Shemyakin & Yu. A. Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 16/10 Miklukho-Maklaya St., 117997, Moscow, Russia.
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Bae JW, Rhee SK, Park JR, Chung WH, Nam YD, Lee I, Kim H, Park YH. Development and evaluation of genome-probing microarrays for monitoring lactic acid bacteria. Appl Environ Microbiol 2006; 71:8825-35. [PMID: 16332879 PMCID: PMC1317428 DOI: 10.1128/aem.71.12.8825-8835.2005] [Citation(s) in RCA: 99] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The genome-probing microarray (GPM) was developed for quantitative, high-throughput monitoring of community dynamics in lactic acid bacteria (LAB) fermentation through the deposit of 149 microbial genomes as probes on a glass slide. Compared to oligonucleotide microarrays, the specificity of GPM was remarkably increased to a species-specific level. GPM possesses about 10- to 100-fold higher sensitivity (2.5 ng of genomic DNA) than the currently used 50-mer oligonucleotide microarrays. Since signal variation between the different genomes was very low compared to that of cDNA or oligonucleotide-based microarrays, the capacity of global quantification of microbial genomes could also be observed in GPM hybridization. In order to assess the applicability of GPMs, LAB community dynamics were monitored during the fermentation of kimchi, a traditional Korean food. In this work, approximately 100 diverse LAB species could be quantitatively analyzed as actively involved in kimchi fermentation.
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Affiliation(s)
- Jin-Woo Bae
- Biological Resources Center, Korea Research Institute of Bioscience and Biotechnology, Eundong 52, Yusong, Daejeon, South Korea
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Fushan A, Monastyrskaya G, Abaev I, Kostina M, Filyukova O, Pecherskih E, Sverdlov E. Genome-wide identification and mapping of variable sequences in the genomes of Burkholderia mallei and Burkholderia pseudomallei. Res Microbiol 2004; 156:278-88. [PMID: 15748995 DOI: 10.1016/j.resmic.2004.09.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2004] [Revised: 09/16/2004] [Accepted: 09/20/2004] [Indexed: 11/21/2022]
Abstract
Burkholderia mallei and Burkholderia pseudomallei, closely related Gram-negative bacteria, are the causative agents of such serious infectious diseases of humans and animals as glanders and melioidosis, respectively. Despite numerous studies of these pathogens, the detailed mechanisms of their pathogenesis is still poorly understood. One of the serious obstacles to revealing factors responsible for pathogenicity lies in the considerable natural variability of B. pseudomallei and B. mallei, which is also a challenge to development of rapid and efficient diagnostic tools facilitating unambiguous identification of the infectious agents. To gain a deeper insight into B. mallei and B. pseudomallei interspecies divergence and intraspecies polymorphism, we compared the genomes of B. mallei C-5 and B. pseudomallei C-141 strains using a subtractive hybridization technique. A library of DNA fragments specific for B. mallei C-5 and absent from B. pseudomallei C-141 was obtained and analyzed. Some of the differential sequences detected were also not found in the recently sequenced genome of B. pseudomallei K96243. However, a multitude of B. mallei C-5 sequences absent from the B. pseudomallei C-141 genome were detected in the genome of B. pseudomallei K96243. On the other hand, some sequences identified as constituents of the B. mallei C-5 genome were not found in the genome of B. mallei ATCC 23344. Some of the differential DNA fragments displayed similarity to different mobile elements that have not yet been described for B. mallei, whereas the others matched fragments of various prophages, or, when translated into protein sequences, components of active transport systems and different enzymes. A substantial proportion of the differential clones had no database matches either at the nucleotide or amino acid sequence level. The results suggest great genome-wide intra- and interspecies variability of B. mallei and B. pseudomallei. The differences identified may be useful as molecular signatures for identification of B. mallei strains.
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Affiliation(s)
- Alexey Fushan
- Laboratory of Structure and Functions of Human Genes, M.M. Shemyakin & Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 16/10 Miklukho-Maklaya St., 117997 GSP, Moscow V-437, Russia.
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Tsang JSH. Molecular biology of the Burkholderia cepacia complex. ADVANCES IN APPLIED MICROBIOLOGY 2004; 54:71-91. [PMID: 15251276 DOI: 10.1016/s0065-2164(04)54002-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Jimmy S H Tsang
- Molecular Microbiology Laboratory, Department of Botany, The University of Hong Kong, Pokfulam Road, Hong Kong SAR, China
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