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Genotypic and phenotypic adaptation of pathogens: lesson from the genus Bordetella. Curr Opin Infect Dis 2020; 32:223-230. [PMID: 30921085 DOI: 10.1097/qco.0000000000000549] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
PURPOSE OF REVIEW To relate genomic changes to phenotypic adaptation and evolution from environmental bacteria to obligate human pathogens, focusing on the examples within Bordetella species. RECENT FINDINGS Recent studies showed that animal-pathogenic and human-pathogenic Bordetella species evolved from environmental ancestors in soil. The animal-pathogenic Bordetella bronchiseptica can hijack the life cycle of the soil-living amoeba Dictyostelium discoideum, surviving inside single-celled trophozoites, translocating to the fruiting bodies and disseminating along with amoeba spores. The association with amoeba may have been a 'training ground' for bacteria during the evolution to pathogens. Adaptation to an animal-associated life style was characterized by decreasing metabolic versatility and genome size and by acquisition of 'virulence factors' mediating the interaction with the new animal hosts. Subsequent emergence of human-specific pathogens, such as Bordetella pertussis from zoonoses of broader host range progenitors, was accompanied by a dramatic reduction in genome size, marked by the loss of hundreds of genes. SUMMARY The evolution of Bordetella from environmental microbes to animal-adapted and obligate human pathogens was accompanied by significant genome reduction with large-scale gene loss during divergence.
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Weigand MR, Peng Y, Batra D, Burroughs M, Davis JK, Knipe K, Loparev VN, Johnson T, Juieng P, Rowe LA, Sheth M, Tang K, Unoarumhi Y, Williams MM, Tondella ML. Conserved Patterns of Symmetric Inversion in the Genome Evolution of Bordetella Respiratory Pathogens. mSystems 2019; 4:e00702-19. [PMID: 31744907 PMCID: PMC6867878 DOI: 10.1128/msystems.00702-19] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Accepted: 11/01/2019] [Indexed: 12/11/2022] Open
Abstract
Whooping cough (pertussis), primarily caused by Bordetella pertussis, has resurged in the United States, and circulating strains exhibit considerable chromosome structural fluidity in the form of rearrangement and deletion. The genus Bordetella includes additional pathogenic species infecting various animals, some even causing pertussis-like respiratory disease in humans; however, investigation of their genome evolution has been limited. We studied chromosome structure in complete genome sequences from 167 Bordetella species isolates, as well as 469 B. pertussis isolates, to gain a generalized understanding of rearrangement patterns among these related pathogens. Observed changes in gene order primarily resulted from large inversions and were only detected in species with genomes harboring multicopy insertion sequence (IS) elements, most notably B. holmesii and B. parapertussis While genomes of B. pertussis contain >240 copies of IS481, IS elements appear less numerous in other species and yield less chromosome structural diversity through rearrangement. These data were further used to predict all possible rearrangements between IS element copies present in Bordetella genomes, revealing that only a subset is observed among circulating strains. Therefore, while it appears that rearrangement occurs less frequently in other species than in B. pertussis, these clinically relevant respiratory pathogens likely experience similar mutation of gene order. The resulting chromosome structural fluidity presents both challenges and opportunity for the study of Bordetella respiratory pathogens.IMPORTANCE Bordetella pertussis is the primary agent of whooping cough (pertussis). The Bordetella genus includes additional pathogens of animals and humans, including some that cause pertussis-like respiratory illness. The chromosome of B. pertussis has previously been shown to exhibit considerable structural rearrangement, but insufficient data have prevented comparable investigation in related species. In this study, we analyze chromosome structure variation in several Bordetella species to gain a generalized understanding of rearrangement patterns in this genus. Just as in B. pertussis, we observed inversions in other species that likely result from common mutational processes. We used these data to further predict additional, unobserved inversions, suggesting that specific genome structures may be preferred in each species.
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Affiliation(s)
- Michael R Weigand
- Division of Bacterial Disease, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Yanhui Peng
- Division of Bacterial Disease, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Dhwani Batra
- Division of Scientific Resources, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Mark Burroughs
- Division of Scientific Resources, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Jamie K Davis
- Division of Scientific Resources, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Kristen Knipe
- Division of Scientific Resources, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Vladimir N Loparev
- Division of Scientific Resources, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Taccara Johnson
- Division of Bacterial Disease, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Phalasy Juieng
- Division of Scientific Resources, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Lori A Rowe
- Division of Scientific Resources, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Mili Sheth
- Division of Scientific Resources, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Kevin Tang
- Division of Scientific Resources, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Yvette Unoarumhi
- Division of Scientific Resources, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Margaret M Williams
- Division of Bacterial Disease, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - M Lucia Tondella
- Division of Bacterial Disease, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
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Bottero D, Zurita ME, Gaillard ME, Carriquiriborde F, Martin Aispuro P, Elizagaray M, Bartel E, Castuma C, Hozbor D. Outer-Membrane-Vesicle-Associated O Antigen, a Crucial Component for Protecting Against Bordetella parapertussis Infection. Front Immunol 2018; 9:2501. [PMID: 30459769 PMCID: PMC6232878 DOI: 10.3389/fimmu.2018.02501] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Accepted: 10/10/2018] [Indexed: 01/06/2023] Open
Abstract
Bordetella parapertussis is a respiratory-disease pathogen producing symptomatology similar to that of pertussis but of underestimated incidence and with no specific vaccine existing. We recently designed a vaccine candidate from B. parapertussis outer-membrane vesicles (OMVs) that proved to be safe and protective in a murine-infection model. Based on protection recently reported for the B. parapertussis O antigen in aqueous solution, we assessed here whether the B. parapertussis O-antigen-containing lipopolysaccharide (BppLPS-O+) embedded in the membranes, as present in B. parapertussis-derived OMVs (OMVs(Bpp-LPS-O+)), was the component responsible for that previously observed protection by OMVs. By performing a comparative study with OMVs from a human strain with undetectable O antigen (OMVs(Bpp-LPS-O-)), we demonstrated that the OMVs(Bpp-LPS-O+), but not the OMVs(Bpp-LPS-O-), protected mice against sublethal B. parapertussis infections. Indeed, the B. parapertussis loads were significantly reduced in the lungs of OMVs(Bpp-LPS-O+) -vaccinated animals, with the CFUs recovered being decreased by 4 log units below those detected in the non-immunized animals or in the animals treated with the OMVs(Bpp-LPS-O-), (p < 0.001). We detected that the OMVs(Bpp-LPS-O+) induced IgG antibodies against B. parapertussis whole-cell lysates, which immunocomponents recognized, among others, the O antigen and accordingly conferred protection against B. parapertussis infection, as observed in in-vivo-passive-transfer experiments. Of interest was that the OMVs(Bpp-LPS-O+) -generated sera had opsonophagocytic and bactericidal capabilities that were not detected with the OMVs(Bpp-LPS-O-)-induced sera, suggesting that those activities were involved in the clearance of B. parapertussis. Though stimulation of cultured spleen cells from immunized mice with formulations containing the O antigen resulted in gamma interferon (IFN-γ) and interleukin-17 production, spleen cells from OMVs(Bpp-LPS-O+) -immunized mice did not significantly contribute to the observed protection against B. parapertussis infection. The protective capability of the B. parapertussis O antigen was also detected in formulations containing both the OMVs derived from B. pertussis and purified BppLPS-O+. This combined formulation protected mice against B. pertussis along with B. parapertussis.
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Affiliation(s)
- Daniela Bottero
- Laboratorio VacSal, Facultad de Ciencias Exactas, Instituto de Biotecnología y Biología Molecular, Universidad Nacional de La Plata, La Plata, Argentina
| | - María Eugenia Zurita
- Laboratorio VacSal, Facultad de Ciencias Exactas, Instituto de Biotecnología y Biología Molecular, Universidad Nacional de La Plata, La Plata, Argentina
| | - María Emilia Gaillard
- Laboratorio VacSal, Facultad de Ciencias Exactas, Instituto de Biotecnología y Biología Molecular, Universidad Nacional de La Plata, La Plata, Argentina
| | - Francisco Carriquiriborde
- Laboratorio VacSal, Facultad de Ciencias Exactas, Instituto de Biotecnología y Biología Molecular, Universidad Nacional de La Plata, La Plata, Argentina
| | - Pablo Martin Aispuro
- Laboratorio VacSal, Facultad de Ciencias Exactas, Instituto de Biotecnología y Biología Molecular, Universidad Nacional de La Plata, La Plata, Argentina
| | - Maia Elizagaray
- Facultad de Ciencias Exactas, Instituto de Estudios Inmunológicos y Fisiopatológicos, Universidad Nacional de La Plata, La Plata, Argentina
| | - Erika Bartel
- Laboratorio VacSal, Facultad de Ciencias Exactas, Instituto de Biotecnología y Biología Molecular, Universidad Nacional de La Plata, La Plata, Argentina
| | - Celina Castuma
- Laboratorio VacSal, Facultad de Ciencias Exactas, Instituto de Biotecnología y Biología Molecular, Universidad Nacional de La Plata, La Plata, Argentina
| | - Daniela Hozbor
- Laboratorio VacSal, Facultad de Ciencias Exactas, Instituto de Biotecnología y Biología Molecular, Universidad Nacional de La Plata, La Plata, Argentina
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Ectopic Expression of O Antigen in Bordetella pertussis by a Novel Genomic Integration System. mSphere 2018; 3:mSphere00417-17. [PMID: 29404410 PMCID: PMC5784241 DOI: 10.1128/msphere.00417-17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Accepted: 12/18/2017] [Indexed: 11/20/2022] Open
Abstract
Some bacterial phenotypes emerge through the cooperative functions of a number of genes residing within a large genetic locus. To transfer the phenotype of one bacterium to another, a means to introduce the large genetic locus into the recipient bacterium is needed. Therefore, we developed a novel system by combining the advantages of a bacterial artificial chromosome vector and phage-derived gene integration machinery. In this study, we succeeded for the first time in introducing a gene locus involved in O antigen biosynthesis of Bordetella bronchiseptica into the chromosome of B. pertussis, which intrinsically lacks O antigen, and using this system we analyzed phenotypic alterations in the resultant mutant strain of B. pertussis. The present results demonstrate that this system successfully accomplished the above-described purpose. We consider this system to be applicable to a number of bacteria other than Bordetella. We describe a novel genome integration system that enables the introduction of DNA fragments as large as 50 kbp into the chromosomes of recipient bacteria. This system, named BPI, comprises a bacterial artificial chromosome vector and phage-derived gene integration machinery. We introduced the wbm locus of Bordetella bronchiseptica, which is required for O antigen biosynthesis, into the chromosome of B. pertussis, which intrinsically lacks O antigen, using the BPI system. After the introduction of the wbm locus, B. pertussis presented an additional substance in the lipooligosaccharide fraction that was specifically recognized by the anti-B. bronchiseptica antibody but not the anti-B. pertussis antibody, indicating that B. pertussis expressed O antigen corresponding to that of B. bronchiseptica. O antigen-expressing B. pertussis was less sensitive to the bactericidal effects of serum and polymyxin B than the isogenic parental strain. In addition, an in vivo competitive infection assay showed that O antigen-expressing B. pertussis dominantly colonized the mouse respiratory tract over the parental strain. These results indicate that the BPI system provides a means to alter the phenotypes of bacteria by introducing large exogenous DNA fragments. IMPORTANCE Some bacterial phenotypes emerge through the cooperative functions of a number of genes residing within a large genetic locus. To transfer the phenotype of one bacterium to another, a means to introduce the large genetic locus into the recipient bacterium is needed. Therefore, we developed a novel system by combining the advantages of a bacterial artificial chromosome vector and phage-derived gene integration machinery. In this study, we succeeded for the first time in introducing a gene locus involved in O antigen biosynthesis of Bordetella bronchiseptica into the chromosome of B. pertussis, which intrinsically lacks O antigen, and using this system we analyzed phenotypic alterations in the resultant mutant strain of B. pertussis. The present results demonstrate that this system successfully accomplished the above-described purpose. We consider this system to be applicable to a number of bacteria other than Bordetella.
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Linz B, Ivanov YV, Preston A, Brinkac L, Parkhill J, Kim M, Harris SR, Goodfield LL, Fry NK, Gorringe AR, Nicholson TL, Register KB, Losada L, Harvill ET. Acquisition and loss of virulence-associated factors during genome evolution and speciation in three clades of Bordetella species. BMC Genomics 2016; 17:767. [PMID: 27716057 PMCID: PMC5045587 DOI: 10.1186/s12864-016-3112-5] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2015] [Accepted: 09/23/2016] [Indexed: 11/10/2022] Open
Abstract
Background The genus Bordetella consists of nine species that include important respiratory pathogens such as the ‘classical’ species B. bronchiseptica, B. pertussis and B. parapertussis and six more distantly related and less extensively studied species. Here we analyze sequence diversity and gene content of 128 genome sequences from all nine species with focus on the evolution of virulence-associated factors. Results Both genome-wide sequence-based and gene content-based phylogenetic trees divide the genus into three species clades. The phylogenies are congruent between species suggesting genus-wide co-evolution of sequence diversity and gene content, but less correlated within species, mainly because of strain-specific presence of many different prophages. We compared the genomes with focus on virulence-associated genes and identified multiple clade-specific, species-specific and strain-specific events of gene acquisition and gene loss, including genes encoding O-antigens, protein secretion systems and bacterial toxins. Gene loss was more frequent than gene gain throughout the evolution, and loss of hundreds of genes was associated with the origin of several species, including the recently evolved human-restricted B. pertussis and B. holmesii, B. parapertussis and the avian pathogen B. avium. Conclusions Acquisition and loss of multiple genes drive the evolution and speciation in the genus Bordetella, including large scale gene loss associated with the origin of several species. Recent loss and functional inactivation of genes, including those encoding pertussis vaccine components and bacterial toxins, in individual strains emphasize ongoing evolution. Electronic supplementary material The online version of this article (doi:10.1186/s12864-016-3112-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Bodo Linz
- Department of Veterinary and Biomedical Sciences, Pennsylvania State University, University Park, PA 16802, USA.
| | - Yury V Ivanov
- Department of Veterinary and Biomedical Sciences, Pennsylvania State University, University Park, PA 16802, USA
| | - Andrew Preston
- The Millner Centre for Evolution and Department of Biology and Biochemistry, University of Bath, Bath, UK
| | | | - Julian Parkhill
- Pathogen Genomics, The Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge, UK
| | - Maria Kim
- J. Craig Venter Institute, Rockville, MD, USA
| | - Simon R Harris
- Pathogen Genomics, The Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge, UK
| | - Laura L Goodfield
- Department of Veterinary and Biomedical Sciences, Pennsylvania State University, University Park, PA 16802, USA
| | - Norman K Fry
- Public Health England, Respiratory and Vaccine Preventable Bacteria Reference Unit, London, UK
| | | | - Tracy L Nicholson
- USDA, Agricultural Research Service, National Animal Disease Center, Ames, IA, USA
| | - Karen B Register
- USDA, Agricultural Research Service, National Animal Disease Center, Ames, IA, USA
| | | | - Eric T Harvill
- Department of Veterinary and Biomedical Sciences, Pennsylvania State University, University Park, PA 16802, USA. .,Singapore Centre on Environmental Life Sciences Engineering, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 637551, Singapore. .,Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, GA 30602, USA.
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Kilgore PE, Salim AM, Zervos MJ, Schmitt HJ. Pertussis: Microbiology, Disease, Treatment, and Prevention. Clin Microbiol Rev 2016; 29:449-86. [PMID: 27029594 PMCID: PMC4861987 DOI: 10.1128/cmr.00083-15] [Citation(s) in RCA: 219] [Impact Index Per Article: 27.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Pertussis is a severe respiratory infection caused by Bordetella pertussis, and in 2008, pertussis was associated with an estimated 16 million cases and 195,000 deaths globally. Sizeable outbreaks of pertussis have been reported over the past 5 years, and disease reemergence has been the focus of international attention to develop a deeper understanding of pathogen virulence and genetic evolution of B. pertussis strains. During the past 20 years, the scientific community has recognized pertussis among adults as well as infants and children. Increased recognition that older children and adolescents are at risk for disease and may transmit B. pertussis to younger siblings has underscored the need to better understand the role of innate, humoral, and cell-mediated immunity, including the role of waning immunity. Although recognition of adult pertussis has increased in tandem with a better understanding of B. pertussis pathogenesis, pertussis in neonates and adults can manifest with atypical clinical presentations. Such disease patterns make pertussis recognition difficult and lead to delays in treatment. Ongoing research using newer tools for molecular analysis holds promise for improved understanding of pertussis epidemiology, bacterial pathogenesis, bioinformatics, and immunology. Together, these advances provide a foundation for the development of new-generation diagnostics, therapeutics, and vaccines.
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Affiliation(s)
- Paul E Kilgore
- Department of Pharmacy Practice, Eugene Applebaum Collage of Pharmacy and Health Sciences, Wayne State University, Detroit, Michigan, USA Department of Family Medicine and Public Health Sciences, Wayne State University School of Medicine, Detroit, Michigan, USA
| | - Abdulbaset M Salim
- Department of Pharmacy Practice, Eugene Applebaum Collage of Pharmacy and Health Sciences, Wayne State University, Detroit, Michigan, USA
| | - Marcus J Zervos
- Division of Infectious Diseases, Department of Internal Medicine, Henry Ford Health System and Wayne State University School of Medicine, Detroit, Michigan, USA
| | - Heinz-Josef Schmitt
- Medical and Scientific Affairs, Pfizer Vaccines, Paris, France Department of Pediatrics, Johannes Gutenberg-University, Mainz, Germany
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