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de Paula VG, de Sousa RS, da Silva RCMR, Alves EG, Caetano AR, Ianella P, de Campos TA. fim3-24/ptxP-3 genotype is associated to whooping cough outbreak in Brazilian Midwest: The selection of Bordetella pertussis strains driven by vaccine immunization. INFECTION, GENETICS AND EVOLUTION : JOURNAL OF MOLECULAR EPIDEMIOLOGY AND EVOLUTIONARY GENETICS IN INFECTIOUS DISEASES 2024; 121:105599. [PMID: 38679113 DOI: 10.1016/j.meegid.2024.105599] [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: 03/31/2024] [Revised: 04/23/2024] [Accepted: 04/25/2024] [Indexed: 05/01/2024]
Abstract
Whopping cough (or Pertussis) is an acute infectious respiratory disease caused by Bordetella pertussis bacteria. The disease is highly transmissible and can be fatal in children under two years old. Since the introduction of vaccine immunization in 1940, Pertussis incidence decreased worldwide. In Brazil, the immunization was introduced in 1977 using the whole cell (wP) vaccine. Despite the high vaccination coverage, an unexpected increase in the number of observed Pertussis cases was observed in 2012. In this year, 2257 cases were reported exceeding the average incidence rate of <1000 cases per year until 2010. This outbreak reached a peak level in 2014 and ended in 2018 according to the Brazilian National Surveillance System (SINAN). To understand the relationship between the outbreak and the vaccination, bacterial isolates (n = 136) from the Brazilian Midwest region obtained during the outbreak were submitted to genotyping of two vaccine loci: ptxP and fim3. Most of isolates (102) were obtained from nursing children (29 days to 2 years old). Genotyping of 94 isolates revealed that fim3-24/ptxP-3 was the most prevalent genotype (68%) associated with the outbreak peak. Two additional genotypes were also observed: fim3-1/ptxP-3 (15%) and fim3-3/ptxP-3 (17%). Conversely, the fim3-1/ptxP-2 genotype, which is harbored by the strain used in the wP vaccine (Bp137), was not observed. These results showed that B. pertussis circulating strains in the outbreak analyzed were different from the strain used for Pertussis immunization in Brazil. These observations provide insights that could be used to target vaccination programs to prevent future whooping cough outbreaks in Brazil.
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Affiliation(s)
- Victor Gomes de Paula
- Programa de Pós-graduação em Biologia Microbiana, Universidade de Brasília, Distrito Federal, Brazil
| | | | - Rafaella Christina Moreira Rocha da Silva
- Programa de Pós-graduação em Biologia Microbiana, Universidade de Brasília, Distrito Federal, Brazil; Departamento de Biologia Celular, Universidade de Brasília, Distrito Federal, Brazil
| | | | | | - Patrícia Ianella
- Embrapa Recursos Genéticos e Biotecnologia, Distrito Federal, Brazil
| | - Tatiana Amabile de Campos
- Programa de Pós-graduação em Biologia Microbiana, Universidade de Brasília, Distrito Federal, Brazil; Departamento de Biologia Celular, Universidade de Brasília, Distrito Federal, Brazil.
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Lv Z, Yin S, Jiang K, Wang W, Luan Y, Wu S, Shi J, Li Z, Ma X, Wang Z, Yan H. The whole-cell proteome shows the characteristics of macrolides-resistant Bordetella pertussis in China linked to the biofilm formation. Arch Microbiol 2023; 205:219. [PMID: 37148370 PMCID: PMC10164027 DOI: 10.1007/s00203-023-03566-0] [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: 03/07/2023] [Revised: 04/23/2023] [Accepted: 04/24/2023] [Indexed: 05/08/2023]
Abstract
The macrolides-resistant Bordetella pertussis (MR-Bp) isolates in China evolved from the ptxP1/fhaB3 allele and rapidly became predominant, suggestive of an adaptive transmission ability. This was different from the global prevalent ptxP3 strains, in which MR-Bp was rarely reported. The study aimed to determine the underlying mechanism responsible for fitness and resistance in these two strains. We identify proteomic differences between ptxP1/fhaB3 and ptxP3/fhaB1 strains using tandem mass tag (TMT)-based proteomics. We then performed in-depth bioinformatic analysis to determine differentially expressed genes (DEGs), followed by gene ontology (GO), and protein-protein interaction (PPI) network analysis. Further parallel reaction monitoring (PRM) analysis confirmed the expression of four target proteins. Finally, the crystal violet method was used to determine biofilm-forming ability. The results showed that the main significantly different proteins between the two represent isolates were related to biofilm formation. Furthermore, we have confirmed that ptxP1/fhaB3 showed hyperbiofilm formation in comparison with ptxP3/fhaB1. It is suggested that the resistance and adaptability of ptxP1/fhaB3 strains may be related to the formation of biofilm through proteomics. In a word, we determined the significantly different proteins between the ptxP1/fhaB3 and ptxP3/fhaB1 strains through whole-cell proteome, which were related to biofilm formation.
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Affiliation(s)
- Zhe Lv
- Department of Epidemiology and Health Statistics, School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Sha Yin
- National Regional Children's Medical Center (Northwest), Key Laboratory of Precision Medicine to Pediatric Diseases of Shaanxi Province, Xi'an Key Laboratory of Children's Health and Diseases, Shaanxi Institute for Pediatric Diseases; Xi'an Children's Hospital, Affiliated Children's Hospital of Xi'an Jiaotong University, No. 69, Xijuyuan Lane, Xi'an, 710003, China
| | - Kaichong Jiang
- National Regional Children's Medical Center (Northwest), Key Laboratory of Precision Medicine to Pediatric Diseases of Shaanxi Province, Xi'an Key Laboratory of Children's Health and Diseases, Shaanxi Institute for Pediatric Diseases; Xi'an Children's Hospital, Affiliated Children's Hospital of Xi'an Jiaotong University, No. 69, Xijuyuan Lane, Xi'an, 710003, China
| | - Wei Wang
- Department of Clinical Laboratory, Xi'an Children's Hospital, Affiliated Children's Hospital of Xi'an Jiaotong University, No. 69, Xijuyuan Lane, Xi'an, 710003, China
| | - Yang Luan
- Xi'an Center for Disease Control and Prevention, 599 Xiying Road, Xi'an, 710054, China
| | - Shuang Wu
- Department of Clinical Laboratory, Xi'an Children's Hospital, Affiliated Children's Hospital of Xi'an Jiaotong University, No. 69, Xijuyuan Lane, Xi'an, 710003, China
| | - Jianfei Shi
- Department of Clinical Laboratory, Xi'an Children's Hospital, Affiliated Children's Hospital of Xi'an Jiaotong University, No. 69, Xijuyuan Lane, Xi'an, 710003, China
| | - Zhe Li
- Department of Diphtheria, Tetanus and Pertussis Vaccine and Toxins, National Institute for Food and Drug Control, Beijing, China
| | - Xiao Ma
- Department of Diphtheria, Tetanus and Pertussis Vaccine and Toxins, National Institute for Food and Drug Control, Beijing, China
| | - Zengguo Wang
- Department of Clinical Laboratory, Xi'an Children's Hospital, Affiliated Children's Hospital of Xi'an Jiaotong University, No. 69, Xijuyuan Lane, Xi'an, 710003, China.
| | - Hong Yan
- Department of Epidemiology and Health Statistics, School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China.
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Polak M, Mosiej E, Prygiel M, Zasada AA. Bordetella pertussis population changes under whole-cell and acellular pertussis vaccines-induced immunity selection pressure in Poland. Eur J Clin Microbiol Infect Dis 2022; 41:1283-1284. [DOI: 10.1007/s10096-022-04495-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Accepted: 09/09/2022] [Indexed: 11/03/2022]
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Safarchi A, Octavia S, Nikbin VS, Lotfi MN, Zahraei SM, Tay CY, Lamichhane B, Shahcheraghi F, Lan R. Genomic epidemiology of Iranian Bordetella pertussis: 50 years after the implementation of whole cell vaccine. Emerg Microbes Infect 2020; 8:1416-1427. [PMID: 31543006 PMCID: PMC6764348 DOI: 10.1080/22221751.2019.1665479] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Pertussis caused by Bordetella pertussis, remains a public health problem worldwide, despite high vaccine coverage in infants and children in many countries. Iran has been using whole cell vaccine for the last 50 years with more than 95% vaccination rate since 1988 and has experienced pertussis resurgence in recent years. Here, we sequenced 55 B. pertussis isolates mostly collected from three provinces with the highest number of pertussis cases in Iran, including Tehran, Mazandaran, and Eastern-Azarbayjan from the period of 2008-2016. Most isolates carried ptxP3/prn2 alleles (42/55, 76%), the same genotype as isolates circulating in acellular vaccine-administrating countries. The second most frequent genotype was ptxP3/prn9 (8/55, 14%). Only three isolates (5%) were ptxP1. Phylogenetic analysis showed that Iranian ptxP3 isolates can be divided into eight clades (Clades 1-8) with no temporal association. Most of the isolates from Tehran grouped together as one distinctive clade (Clade 8) with six unique single nucleotide polymorphisms (SNPs). In addition, the prn9 isolates were grouped together as Clade 5 with 12 clade-supporting SNPs. No pertactin deficient isolates were found among the 55 Iranian isolates. Our findings suggest that there is an ongoing adaptation and evolution of B. pertussis regardless of the types of vaccine used.
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Affiliation(s)
- Azadeh Safarchi
- Pertussis Reference Laboratory, Department of Bacteriology, Pasteur Institute of Iran , Tehran , Islamic Republic of Iran.,School of Biotechnology and Biomolecular Sciences, University of New South Wales , Sydney , Australia
| | - Sophie Octavia
- School of Biotechnology and Biomolecular Sciences, University of New South Wales , Sydney , Australia
| | - Vajihe Sadat Nikbin
- Pertussis Reference Laboratory, Department of Bacteriology, Pasteur Institute of Iran , Tehran , Islamic Republic of Iran
| | - Masoumeh Nakhost Lotfi
- Pertussis Reference Laboratory, Department of Bacteriology, Pasteur Institute of Iran , Tehran , Islamic Republic of Iran
| | - Seyed Mohsen Zahraei
- Centre for Communicable Disease Control, Ministry of Health and Medical Education , Tehran , Islamic Republic of Iran
| | - Chin Yen Tay
- Pathology and Laboratory Medicine, University of Western Australia , Perth , Australia
| | - Binit Lamichhane
- Pathology and Laboratory Medicine, University of Western Australia , Perth , Australia
| | - Fereshteh Shahcheraghi
- Pertussis Reference Laboratory, Department of Bacteriology, Pasteur Institute of Iran , Tehran , Islamic Republic of Iran
| | - Ruiting Lan
- School of Biotechnology and Biomolecular Sciences, University of New South Wales , Sydney , Australia
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Xu Z, Wang Z, Luan Y, Li Y, Liu X, Peng X, Octavia S, Payne M, Lan R. Genomic epidemiology of erythromycin-resistant Bordetella pertussis in China. Emerg Microbes Infect 2019; 8:461-470. [PMID: 30898080 PMCID: PMC6455148 DOI: 10.1080/22221751.2019.1587315] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
Macrolides such as erythromycin are the empirical treatment of Bordetella pertussis infections. China has experienced an increase in erythromycin-resistant B. pertussis isolates since they were first reported in 2013. Here, we undertook a genomic study on Chinese B. pertussis isolates from 2012 to 2015 to elucidate the origins and phylogenetic relationships of erythromycin-resistant B. pertussis isolates in China. A total of 167 Chinese B. pertussis isolates were used for antibiotic sensitivity testing and multiple locus variable-number tandem repeat (VNTR) analysis (MLVA). All except four isolates were erythromycin-resistant and of the four erythromycin-sensitive isolates, three were non-ptxP1. MLVA types (MT), MT55, MT104 and MT195 were the predominant types. Fifty of those isolates were used for whole genome sequencing and phylogenetic analysis. Genome sequencing and phylogenetic analysis revealed three independent erythromycin-resistant lineages and all resistant isolates carried a mutation in the 23S rRNA gene. A novel fhaB3 allele was found uniquely in Chinese ptxP1 isolates and these Chinese ptxP1-ptxA1-fhaB3 had a 5-fold higher mutation rate than the global ptxP1-ptxA1 B. pertussis population. Our results suggest that the evolution of Chinese B. pertussis is likely to be driven by selection pressure from both vaccination and antibiotics. The emergence of the new non-vaccine fhaB3 allele in Chinese B. pertussis population may be a result of selection from vaccination, whereas the expansion of ptxP1-fhaB3 lineages was most likely to be the result of selection pressure from antibiotics. Further monitoring of B. pertussis in China is required to better understand the evolution of the pathogen.
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Affiliation(s)
- Zheng Xu
- a School of Biotechnology and Biomolecular Sciences , University of New South Wales , Sydney , Australia
| | - Zengguo Wang
- b Xi'an Center for Disease Prevention and Control , Xi'an , People's Republic of China.,c Department of Infectious Diseases , Xi'an Children's Hospital , Xi'an , People's Republic of China
| | - Yang Luan
- b Xi'an Center for Disease Prevention and Control , Xi'an , People's Republic of China
| | - Yarong Li
- c Department of Infectious Diseases , Xi'an Children's Hospital , Xi'an , People's Republic of China
| | - Xiaoguai Liu
- c Department of Infectious Diseases , Xi'an Children's Hospital , Xi'an , People's Republic of China
| | - Xiaokang Peng
- c Department of Infectious Diseases , Xi'an Children's Hospital , Xi'an , People's Republic of China
| | - Sophie Octavia
- a School of Biotechnology and Biomolecular Sciences , University of New South Wales , Sydney , Australia
| | - Michael Payne
- a School of Biotechnology and Biomolecular Sciences , University of New South Wales , Sydney , Australia
| | - Ruiting Lan
- a School of Biotechnology and Biomolecular Sciences , University of New South Wales , Sydney , Australia
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Fu P, Wang C, Tian H, Kang Z, Zeng M. Bordetella pertussis Infection in Infants and Young Children in Shanghai, China, 2016-2017: Clinical Features, Genotype Variations of Antigenic Genes and Macrolides Resistance. Pediatr Infect Dis J 2019; 38:370-376. [PMID: 30882726 DOI: 10.1097/inf.0000000000002160] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND The global resurgence of pertussis in countries with high vaccination coverage has been a concern of public health. METHODS Nasopharyngeal swabs were collected for Bordetella pertussis culture from children with suspected pertussis. Clinical and vaccination information were reviewed through electronic medical chart and immunization record. Antibiotics susceptibility was evaluated using E-test for erythromycin, azithromycin, clarithromycin and sulfamethoxazole/trimethoprim. The MLST genotypes and 7 antigenic genes (ptxP, ptxA, ptxC, Prn, fim3, fim2 and tcfA) of Bordetella pertussis were identified by polymerase chain reaction amplification and sequencing. RESULTS During January 2016 to September 2017, a total of 141 children 1-48 months of age were culture-confirmed with pertussis, of whom 98 (69.5%) were younger than 6 months, 25 (17.7%) had completed at least 3 doses of DTaP and 75 (53.2%) had a clear exposure to household members with persistent cough. Fully vaccinated cases manifested milder disease than unvaccinated and not-fully vaccinated cases. All strains were MLST2. High-virulent strains characteristic of ptxP3/prn2/ptxC2 constituted 41.1% (58/141) and were all susceptible to macrolides while low-virulent strains characteristic of ptxP1/prn1/ptxC1 constituted 58.9% (83/141) and 97.6% (81/83), respectively, were highly resistant to macrolides. CONCLUSIONS Pertussis is resurging among infants and young children in Shanghai, and household transmission is the main exposure pathway. The high-virulent strains harboring ptxP3/prn2/ptxC2 and the macrolide-resistant Bordetella pertussis strains are quite prevalent. These issues impose a public health concern in Shanghai. Our findings are important to modify the DTaP vaccination strategy and the management guideline of pertussis in China.
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Affiliation(s)
- Pan Fu
- From the Department of Clinical Microbiology Laboratory, Clinical Laboratory Medicine, Children's Hospital of Fudan University, Shanghai, China
| | - Chuanqing Wang
- From the Department of Clinical Microbiology Laboratory, Clinical Laboratory Medicine, Children's Hospital of Fudan University, Shanghai, China
- Department of Nosocomial Infection Control, Children's Hospital of Fudan University, Shanghai, China
| | - He Tian
- Department of Infectious Diseases, Children's Hospital of Fudan University, Shanghai, China
| | - Zhihua Kang
- Department of Laboratory Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Mei Zeng
- Department of Infectious Diseases, Children's Hospital of Fudan University, Shanghai, China
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Li LJ, Liu Y, Jia J, Yuan L, Shi W, Meng QH, Yao KH. [Antimicrobial susceptibility and antigen genotypes of Bordetella pertussis strains isolated from neonates]. ZHONGGUO DANG DAI ER KE ZA ZHI = CHINESE JOURNAL OF CONTEMPORARY PEDIATRICS 2019; 21:208-213. [PMID: 30907341 PMCID: PMC7389359 DOI: 10.7499/j.issn.1008-8830.2019.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Accepted: 02/11/2019] [Indexed: 06/09/2023]
Abstract
OBJECTIVE To investigate the alternative antimicrobial drugs for the treatment of neonatal pertussis and the antigen genotypes of Bordetella pertussis (B. pertussis) strains. METHODS A total of 32 B. pertussis strains isolated from neonates between May 2013 and July 2018 were used in this study. E-test stripes were used to measure the minimal inhibitory concentration (MIC) of 18 antimicrobial drugs including erythromycin, sulfamethoxazole-trimethoprim (SMZ) and ampicillin. The 23S rRNA gene of isolated strains was amplified and sequenced to identify the mutation site of erythromycin resistance gene, and the seven antigen genotypes of B. pertussis strains (ptxA, ptxC, ptxP, prn, fim2, fim3 and tcfA2) were analyzed. RESULTS Of the 32 B. pertussis strains, 25 (78%) were resistant to erythromycin, azithromycin, clarithromycin and clindamycin, with an MIC of >256 mg/L, and A2047G mutation was observed in the 23S rRNA gene. All strains had an MIC of ≤0.064 mg/L for SMZ. The MIC of ampicillin, amoxicillin, amoxicillin-clavulanic acid and ceftriaxone ranged from 0.032 to 1 mg/L. The strains resistant to macrolide antibiotics had an antigen genotype of ptxA1/ptxC1/ptxP1/prn1/fim2-1/fim3-1/tcfA2. CONCLUSIONS B. pertussis strains from neonates are often resistant to macrolides, and the in vitro test shows that off-label use of sulfonamides is a reliable regimen for the treatment of neonates with macrolide-resistant pertussis. The prevalence of drug-resistant strains further emphasizes the importance of immunoprophylaxis.
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Affiliation(s)
- Li-Jun Li
- National Center for Children's Health/Beijing Children's Hospital, Capital Medical University/Beijing Pediatric Research Institute/National Key Discipline of Pediatrics (Capital Medical University)/National Clinical Research Center for Respiratory Diseases/Key Laboratory of Major Diseases in Children, Ministry of Education/Beijing Key Laboratory of Pediatric Respiratory Infection Diseases, Beijing 100045, China.
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Pertactin-deficient Bordetella pertussis isolates in Poland-a country with whole-cell pertussis primary vaccination. Microbes Infect 2018; 21:170-175. [PMID: 30580013 DOI: 10.1016/j.micinf.2018.12.001] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 12/05/2018] [Accepted: 12/07/2018] [Indexed: 11/24/2022]
Abstract
The introduction of pertussis vaccination in the 1950s resulted in a significant decrease in the incidence of disease. However, since the 1990s many highly vaccinated countries have observed the re-emergence of the disease. One of the causes of this phenomenon might be related to the adaptation of Bordetella pertussis to vaccination. The purpose of the presented study was an investigation of the emergence and spread of vaccine antigen-deficient B. pertussis isolates in Poland and genomic characterization of the currently circulating pathogen population using PFGE, MLVA and MAST. The results revealed that all tested isolates expressed Ptx, FHA and ACT antigens but 15.4% (4/26) of isolates from 2010 to 2016 were Prn-deficient. Moreover, one TcfA-deficient isolate was collected in 2015. The genotyping showed a genetic distinction between the isolates circulating in 2010-2016 and isolates from previous periods. The majority of currently circulating isolates belonged to PFGE group IV (96.2%), type MT27 (73.1%), and carried ptxA1-ptxC2-ptxP3-prn2-tcfA2-fim2-1-fim3-1 alleles (61.5%). The unique genetic structure of the B. pertussis population in Poland has changed since 2010 and became similar to that observed in countries with aP vaccination. This could be a result of increasing use of aP vaccines (60% of primary vaccination in 2013) over wP vaccines, which have been broadly used for primary vaccination in Poland for decades.
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Abstract
PURPOSE OF REVIEW The purpose of this review is to summarize and discuss recent findings and selected topics of interest in Bordetella pertussis virulence and pathogenesis and treatment of pertussis. It is not intended to cover issues on immune responses to B. pertussis infection or problems with currently used pertussis vaccines. RECENT FINDINGS Studies on the activities of various B. pertussis virulence factors include the immunomodulatory activities of filamentous hemagglutinin, fimbriae, and adenylate cyclase toxin. Recently emerging B. pertussis strains show evidence of genetic selection for vaccine escape mutants, with changes in vaccine antigen-expressing genes, some of which may have increased the virulence of this pathogen. Severe and fatal pertussis in young infants continues to be a problem, with several studies highlighting predictors of fatality, including the extreme leukocytosis associated with this infection. Treatments for pertussis are extremely limited, though early antibiotic intervention may be beneficial. Neutralizing pertussis toxin activity may be an effective strategy, as well as targeting two host proteins, pendrin and sphingosine-1-phosphate receptors, as novel potential therapeutic interventions. SUMMARY Pertussis is reemerging as a major public health problem and continued basic research is revealing information on bacterial virulence and disease pathogenesis, as well as potential novel strategies for vaccination and targets for therapeutic intervention.
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Mosiej E, Krysztopa-Grzybowska K, Polak M, Prygiel M, Lutyńska A. Multi-locus variable-number tandem repeat analysis of Bordetella pertussis isolates circulating in Poland in the period 1959-2013. J Med Microbiol 2017; 66:753-761. [PMID: 28598302 DOI: 10.1099/jmm.0.000408] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
PURPOSE Despite the long history of pertussis vaccination and high vaccination coverage in Poland and many other developed countries, pertussis incidence rates have increased substantially, making whooping cough one of the most prevalent vaccine-preventable diseases. Among the factors potentially involved in pertussis resurgence, the adaptation of the Bordetella pertussis population to country-specific vaccine-induced immunity through selection of non-vaccine-type strains still needs detailed studies. METHODOLOGY Multi-locus variable-number tandem repeat analysis (MLVA), also linked to MLST and PFGE profiling, was applied to trace the genetic changes in the B. pertussis population circulating in Poland in the period 1959-2013 versus country-specific vaccine strains. RESULTS Generally, among 174 B. pertussis isolates, 31 MLVA types were detected, of which 11 were not described previously. The predominant MLVA types of recent isolates in Poland were different from those of the typical isolates circulating in other European countries. The MT27 type, currently predominant in Europe, was rarely seen and detected in only five isolates among all studied. The features of the vaccine strains used for production of the pertussis component of a national whole-cell diphtheria-tetanus-pertussis (DTP) vaccine, as studied by MLVA and MLST tools, were found to not match those observed in the currently circulating B. pertussis isolates in Poland. CONCLUSIONS Differences traced by MLVA in relation to the MLST and PFGE profiling confirmed that the B. pertussis strain types currently observed elsewhere in Europe, even if appearing in Poland, were not able to successfully disseminate within a human population in Poland that has been vaccinated with a whole-cell pertussis vaccine not used in other countries.
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Affiliation(s)
- Ewa Mosiej
- Department of Sera and Vaccines Evaluation, National Institute of Public Health-National Institute of Hygiene, 24 Chocimska Street, 00-791 Warsaw, Poland
| | - Katarzyna Krysztopa-Grzybowska
- Department of Sera and Vaccines Evaluation, National Institute of Public Health-National Institute of Hygiene, 24 Chocimska Street, 00-791 Warsaw, Poland
| | - Maciej Polak
- Department of Sera and Vaccines Evaluation, National Institute of Public Health-National Institute of Hygiene, 24 Chocimska Street, 00-791 Warsaw, Poland
| | - Marta Prygiel
- Department of Sera and Vaccines Evaluation, National Institute of Public Health-National Institute of Hygiene, 24 Chocimska Street, 00-791 Warsaw, Poland
| | - Anna Lutyńska
- Department of Sera and Vaccines Evaluation, National Institute of Public Health-National Institute of Hygiene, 24 Chocimska Street, 00-791 Warsaw, Poland
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Xu Y, Zhang L, Tan Y, Wang L, Zhang S, Wang J. Genetic diversity and population dynamics of Bordetella pertussis in China between 1950–2007. Vaccine 2015; 33:6327-31. [DOI: 10.1016/j.vaccine.2015.09.040] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2015] [Revised: 08/26/2015] [Accepted: 09/15/2015] [Indexed: 10/23/2022]
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Yang Y, Yao K, Ma X, Shi W, Yuan L, Yang Y. Variation in Bordetella pertussis Susceptibility to Erythromycin and Virulence-Related Genotype Changes in China (1970-2014). PLoS One 2015; 10:e0138941. [PMID: 26406905 PMCID: PMC4583996 DOI: 10.1371/journal.pone.0138941] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2015] [Accepted: 09/06/2015] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVES To investigate changes in virulence-related genotypes and in the antimicrobial susceptibility of Bordetella pertussis isolates collected from the 1970s to 2014 in the northern part of China. METHODS A total of 124 B. pertussis isolates from three periods, the 1970s, 2000-2008, and May 2013-Sept 2014, were typed by multilocus sequence typing (MLST) and tested for antimicrobial susceptibility and virulence-related genes. A fragment of the 23S rRNA gene from each of the 99 isolates from 2013-2014 was amplified and sequenced. RESULTS All isolates from 2000-2008 and 2013-2014 were identified as ST2, whereas isolates from the 1970s were ST1. PtxA2/ptxC1/ptxP1/prn1/fim2-1/fim3-1/tcfA2, which was the same as the vaccine strain, was the only type in the 1970s. During the 2000s and 2013-2014, the virulence type ptxA1/ptxC1/ptxP1/prn1/fim2-1/fim3-1/tcfA2 was dominant, with frequencies of 68.4% and 91.9%, respectively. Nine ptxP3 strains, which were more virulent, were detected after 2000. All 124 isolates were susceptible to levofloxacin, sulphamethoxazole/trimethoprim and tetracycline. The isolates from the 1970s and 2000-2008 were susceptible to all tested macrolides, whereas 91.9% of the 2013-2014 isolates were highly resistant (minimal inhibitory concentration, MIC >256 μg/ml). No ptxP3 strain was resistant to macrolides. All erythromycin-resistant strains except for one had the A2047G mutation in the 23S rRNA gene. CONCLUSIONS Macrolide resistance of the B. pertussis population has been a serious problem in the northern part of China. Because most of the epidemic clone of the pathogen expresses the same antigen profiles as the vaccine strain, except ptxA, improvements in immunization strategies may prevent the spread of infection and drug resistance.
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Affiliation(s)
- Ying Yang
- Key Laboratory of Major Diseases in Children and National Key Discipline of Pediatrics (Capital Medical University), Ministry of Education, National Clinical Research Center for Respiratory Diseases, Beijing Key Laboratory of Pediatric Respiratory Infection Diseases, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, Beijing, China
| | - Kaihu Yao
- Key Laboratory of Major Diseases in Children and National Key Discipline of Pediatrics (Capital Medical University), Ministry of Education, National Clinical Research Center for Respiratory Diseases, Beijing Key Laboratory of Pediatric Respiratory Infection Diseases, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, Beijing, China
| | - Xiang Ma
- Respiratory department, Qilu Children’s Hospital, Shandong University, Jinan, China
| | - Wei Shi
- Key Laboratory of Major Diseases in Children and National Key Discipline of Pediatrics (Capital Medical University), Ministry of Education, National Clinical Research Center for Respiratory Diseases, Beijing Key Laboratory of Pediatric Respiratory Infection Diseases, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, Beijing, China
| | - Lin Yuan
- Key Laboratory of Major Diseases in Children and National Key Discipline of Pediatrics (Capital Medical University), Ministry of Education, National Clinical Research Center for Respiratory Diseases, Beijing Key Laboratory of Pediatric Respiratory Infection Diseases, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, Beijing, China
| | - Yonghong Yang
- Key Laboratory of Major Diseases in Children and National Key Discipline of Pediatrics (Capital Medical University), Ministry of Education, National Clinical Research Center for Respiratory Diseases, Beijing Key Laboratory of Pediatric Respiratory Infection Diseases, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, Beijing, China
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van Gent M, Heuvelman CJ, van der Heide HG, Hallander HO, Advani A, Guiso N, Wirsing von Kőnig CH, Vestrheim DF, Dalby T, Fry NK, Pierard D, Detemmerman L, Zavadilova J, Fabianova K, Logan C, Habington A, Byrne M, Lutyńska A, Mosiej E, Pelaz C, Gröndahl-Yli-Hannuksela K, Barkoff AM, Mertsola J, Economopoulou A, He Q, Mooi FR. Analysis of Bordetella pertussis clinical isolates circulating in European countries during the period 1998-2012. Eur J Clin Microbiol Infect Dis 2014; 34:821-30. [PMID: 25527446 PMCID: PMC4365279 DOI: 10.1007/s10096-014-2297-2] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2014] [Accepted: 12/07/2014] [Indexed: 12/31/2022]
Abstract
Despite more than 50 years of vaccination, pertussis is still an endemic disease, with regular epidemic outbreaks. With the exception of Poland, European countries have replaced whole-cell vaccines (WCVs) by acellular vaccines (ACVs) in the 1990s. Worldwide, antigenic divergence in vaccine antigens has been found between vaccine strains and circulating strains. In this work, 466 Bordetella pertussis isolates collected in the period 1998–2012 from 13 European countries were characterised by multi-locus antigen sequence typing (MAST) of the pertussis toxin promoter (ptxP) and of the genes coding for proteins used in the ACVs: pertussis toxin (Ptx), pertactin (Prn), type 2 fimbriae (Fim2) and type 3 fimbriae (Fim3). Isolates were further characterised by fimbrial serotyping, multi-locus variable-number tandem repeat analysis (MLVA) and pulsed-field gel electrophoresis (PFGE). The results showed a very similar B. pertussis population for 12 countries using ACVs, while Poland, which uses a WCV, was quite distinct, suggesting that ACVs and WCVs select for different B. pertussis populations. This study forms a baseline for future studies on the effect of vaccination programmes on B. pertussis populations.
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Affiliation(s)
- M van Gent
- Centre for Infectious Disease Control (CIb), National Institute for Public Health and the Environment (RIVM), P.O. Box 1, 3720 BA, Bilthoven, The Netherlands,
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