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Sadiq A, Khan T, Bostan N, Yinda CK, Matthijnssens J. Antigenic epitope analysis of Pakistani G3 and G9 rotavirus strains compared to vaccine strains revealed multiple amino acid differences. Diagn Microbiol Infect Dis 2024; 109:116346. [PMID: 38759540 DOI: 10.1016/j.diagmicrobio.2024.116346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 08/13/2023] [Accepted: 05/08/2024] [Indexed: 05/19/2024]
Abstract
Rotaviruses belong to genotype VP4-P[8] are a significant cause of severe loose diarrhea in infants and young children. In the present study, we characterised the complete genome of three of the Pakistani P[8]b RVA strains by Illumina HiSeq sequencing technology to determine the complete genotype constellation providing insight into the evolutionary dynamics of their genes using maximum likelihood analysis. The maximum genomic sequences of our study strains were similar to more recent human Wa-Like G1P[8]a, G3P[8]a, G4P[6], G4P[8], G9P[4], G9P[8]a, G11P[25],G12P[8]a and G12P[6] strains circulating around the world. Therefore, strains PAK274, PAK439 and PAK624 carry natively distinctive VP4 gene with universally common human Wa-Like genetic backbone. Comparing our study P[8]b strains with vaccines strains RotarixTM and RotaTeqTM, multiple amino acid differences were examined between vaccine virus antigenic epitopes and Pakistani isolates. Over time, these differences may result in the selection for strains that will escape the vaccine-induced RVA-neutralizing-antibody effect.
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Affiliation(s)
- Asma Sadiq
- Department of Microbiology, University of Jhang, Jhang, Pakistan
| | - Tariq Khan
- Department of Biosciences, COMSATS University (CUI), Park Road, Tarlai Kalan, Chak Shahzad, Islamabad,45550, Pakistan
| | - Nazish Bostan
- Department of Biosciences, COMSATS University (CUI), Park Road, Tarlai Kalan, Chak Shahzad, Islamabad,45550, Pakistan.
| | - Claude Kwe Yinda
- KU Leuven-University of Leuven, Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Viral Metagenomics, Leuven, Belgium
| | - Jelle Matthijnssens
- KU Leuven-University of Leuven, Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Viral Metagenomics, Leuven, Belgium
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Munlela B, João ED, Strydom A, Bauhofer AFL, Chissaque A, Chilaúle JJ, Maurício IL, Donato CM, O’Neill HG, de Deus N. Whole-Genome Characterization of Rotavirus G9P[6] and G9P[4] Strains That Emerged after Rotavirus Vaccine Introduction in Mozambique. Viruses 2024; 16:1140. [PMID: 39066302 PMCID: PMC11281483 DOI: 10.3390/v16071140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Revised: 07/09/2024] [Accepted: 07/11/2024] [Indexed: 07/28/2024] Open
Abstract
Mozambique introduced the Rotarix® vaccine into the National Immunization Program in September 2015. Following vaccine introduction, rotavirus A (RVA) genotypes, G9P[4] and G9P[6], were detected for the first time since rotavirus surveillance programs were implemented in the country. To understand the emergence of these strains, the whole genomes of 47 ELISA RVA positive strains detected between 2015 and 2018 were characterized using an Illumina MiSeq-based sequencing pipeline. Of the 29 G9 strains characterized, 14 exhibited a typical Wa-like genome constellation and 15 a DS-1-like genome constellation. Mostly, the G9P[4] and G9P[6] strains clustered consistently for most of the genome segments, except the G- and P-genotypes. For the G9 genotype, the strains formed three different conserved clades, separated by the P type (P[4], P[6] and P[8]), suggesting different origins for this genotype. Analysis of the VP6-encoding gene revealed that seven G9P[6] strains clustered close to antelope and bovine strains. A rare E6 NSP4 genotype was detected for strain RVA/Human-wt/MOZ/HCN1595/2017/G9P[4] and a genetically distinct lineage IV or OP354-like P[8] was identified for RVA/Human-wt/MOZ/HGJM0644/2015/G9P[8] strain. These results highlight the need for genomic surveillance of RVA strains detected in Mozambique and the importance of following a One Health approach to identify and characterize potential zoonotic strains causing acute gastroenteritis in Mozambican children.
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Affiliation(s)
- Benilde Munlela
- Instituto Nacional de Saúde (INS), Parcela 3943, Vila de Marracuene, Maputo 0205-02, Mozambique; (E.D.J.); (A.F.L.B.); (A.C.); (J.J.C.); (N.d.D.)
- Instituto de Higiene e Medicina Tropical (IHMT), Universidade NOVA de Lisboa (UNL), Rua da Junqueira 100, 1349-008 Lisboa, Portugal
| | - Eva D. João
- Instituto Nacional de Saúde (INS), Parcela 3943, Vila de Marracuene, Maputo 0205-02, Mozambique; (E.D.J.); (A.F.L.B.); (A.C.); (J.J.C.); (N.d.D.)
| | - Amy Strydom
- Department of Microbiology and Biochemistry, University of the Free State, 205 Nelson Mandela Avenue, Bloemfontein 9301, South Africa; (A.S.); (H.G.O.)
| | - Adilson Fernando Loforte Bauhofer
- Instituto Nacional de Saúde (INS), Parcela 3943, Vila de Marracuene, Maputo 0205-02, Mozambique; (E.D.J.); (A.F.L.B.); (A.C.); (J.J.C.); (N.d.D.)
- Instituto de Higiene e Medicina Tropical (IHMT), Universidade NOVA de Lisboa (UNL), Rua da Junqueira 100, 1349-008 Lisboa, Portugal
| | - Assucênio Chissaque
- Instituto Nacional de Saúde (INS), Parcela 3943, Vila de Marracuene, Maputo 0205-02, Mozambique; (E.D.J.); (A.F.L.B.); (A.C.); (J.J.C.); (N.d.D.)
- Instituto de Higiene e Medicina Tropical (IHMT), Universidade NOVA de Lisboa (UNL), Rua da Junqueira 100, 1349-008 Lisboa, Portugal
| | - Jorfélia J. Chilaúle
- Instituto Nacional de Saúde (INS), Parcela 3943, Vila de Marracuene, Maputo 0205-02, Mozambique; (E.D.J.); (A.F.L.B.); (A.C.); (J.J.C.); (N.d.D.)
| | - Isabel L. Maurício
- Global Health and Tropical Medicine (GHTM), Associate Laboratory in Translation and Innovation towards Global Health (LA-REAL), Instituto de Higiene e Medicina Tropical (IHMT), Universidade NOVA de Lisboa (UNL), Rua da Junqueira 100, 1349-008 Lisboa, Portugal;
| | - Celeste M. Donato
- The Peter Doherty Institute for Infection and Immunity, 792 Elizabeth Street, Melbourne, VIC 3000, Australia;
| | - Hester G. O’Neill
- Department of Microbiology and Biochemistry, University of the Free State, 205 Nelson Mandela Avenue, Bloemfontein 9301, South Africa; (A.S.); (H.G.O.)
| | - Nilsa de Deus
- Instituto Nacional de Saúde (INS), Parcela 3943, Vila de Marracuene, Maputo 0205-02, Mozambique; (E.D.J.); (A.F.L.B.); (A.C.); (J.J.C.); (N.d.D.)
- Departamento de Ciências Biológicas, Universidade Eduardo Mondlane, Julius Nyerere Avenue, Maputo 3453, Mozambique
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Sadiq A, Bostan N, Bokhari H, Matthijnssens J, Yinda KC, Raza S, Nawaz T. Molecular characterization of human group A rotavirus genotypes circulating in Rawalpindi, Islamabad, Pakistan during 2015-2016. PLoS One 2019; 14:e0220387. [PMID: 31361761 PMCID: PMC6667158 DOI: 10.1371/journal.pone.0220387] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Accepted: 07/15/2019] [Indexed: 01/17/2023] Open
Abstract
Group A rotaviruses (RVA) are one of the major causes of acute gastroenteritis (AGE) in young children worldwide. Owing to lack of proper surveillance programs and health facilities, developing countries of Asia and Africa carry a disproportionately heavy share of the RVA disease burden. The aim of this hospital-based study was to investigate the circulation of RVA genotypes in Rawalpindi and Islamabad, Pakistan in 2015 and 2016, prior to the implementation of RVA vaccine. 639 faecal samples collected from children under 10 years of age hospitalized with AGE were tested for RVA antigen by ELISA. Among 171 ELISA positive samples, 143 were successfully screened for RT-PCR and sequencing. The prevalence of RVA was found to be 26.8% with the highest frequency (34.9%) found among children of age group 6-11 months. The most predominant circulating genotypes were G3P[8] (22.4%) followed by G12P[6] (20.3%), G2P[4] (12.6%), G1P[8] (11.9%), G9P[6] (11.9%), G3P[4] (9.1%), G1P[6] (4.2%), G9P[8] (4.2%), and G3P[6] (0.7%). A single mixed genotype G1G3P[8] was also detected. The findings of this study provide baseline data, that will help to assess if future vaccination campaigns using currently available RVA vaccine will reduce RVA disease burden and instigate evolutionary changes in the overall RVA biology. The high prevalence of RVA infections in Pakistan require to improve and strengthen the surveillance and monitoring system for RVA. This will provide useful information for health authorities in planning public health care strategies to mitigate the disease burden caused by RVA.
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Affiliation(s)
- Asma Sadiq
- Department of Biosciences, COMSATS University (CUI), Tarlai Kalan, Chak Shahzad, Islamabad, Pakistan
| | - Nazish Bostan
- Department of Biosciences, COMSATS University (CUI), Tarlai Kalan, Chak Shahzad, Islamabad, Pakistan
| | - Habib Bokhari
- Department of Biosciences, COMSATS University (CUI), Tarlai Kalan, Chak Shahzad, Islamabad, Pakistan
| | - Jelle Matthijnssens
- KU Leuven-University of Leuven, Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Viral Metagenomics, Leuven, Belgium
| | - Kwe Claude Yinda
- KU Leuven-University of Leuven, Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Viral Metagenomics, Leuven, Belgium
| | - Saqlain Raza
- Department of Biosciences, COMSATS University (CUI), Tarlai Kalan, Chak Shahzad, Islamabad, Pakistan
| | - Tayyab Nawaz
- Department of Biosciences, COMSATS University (CUI), Tarlai Kalan, Chak Shahzad, Islamabad, Pakistan
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Damanka SA, Agbemabiese CA, Dennis FE, Lartey BL, Adiku TK, Enweronu-Laryea CC, Armah GE. Genetic analysis of Ghanaian G1P[8] and G9P[8] rotavirus A strains reveals the impact of P[8] VP4 gene polymorphism on P-genotyping. PLoS One 2019; 14:e0218790. [PMID: 31242245 PMCID: PMC6594640 DOI: 10.1371/journal.pone.0218790] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Accepted: 06/10/2019] [Indexed: 11/19/2022] Open
Abstract
The World Health Organisation rotavirus surveillance networks have documented and shown eclectic geographic and temporal diversity in circulating G- and P- genotypes identified in children <5 years of age. To effectively monitor vaccine performance and effectiveness, robust molecular and phylogenetic techniques are essential to detect novel strain variants that might emerge due to vaccine pressure. This study inferred the phylogenetic history of the VP7 and VP4 genes of previously non-typeable strains and provided insight into the diversity of P[8] VP4 sequences which impacted the outcome of our routine VP4 genotyping method. Near-full-length VP7 gene and the VP8* fragment of the VP4 gene were obtained by Sanger sequencing and genotypes were determined using RotaC v2.0 web-based genotyping tool. The genotypes of the 57 rotavirus-positive samples with sufficient stool was determined. Forty-eight of the 57 (84.2%) had the P[8] specificity, of which 43 (89.6%) were characterized as P[8]a subtype and 5 (10.4%) as the rare OP354-like subtype. The VP7 gene of 27 samples were successfully sequenced and their G-genotypes confirmed as G1 (18/27) and G9 (9/27). Phylogenetic analysis of the P[8]a sequences placed them in subcluster IIIc within lineage III together with contemporary G1P[8], G3P[8], G8P[8], and G9P[8] strains detected globally from 2006-2016. The G1 VP7 sequences of the study strains formed a monophyletic cluster with African G1P[8] strains, previously detected in Ghana and Mali during the RotaTeq vaccine trial as well as Togo. The G9 VP7 sequences of the study strains formed a monophyletic cluster with contemporary African G9 sequences from neighbouring Burkina Faso within the major sub-cluster of lineage III. Mutations identified in the primer binding region of the VP8* sequence of the Ghanaian P[8]a strains may have resulted in the genotyping failure since the newly designed primer successfully genotyped the previously non-typeable P[8] strains. In summary, the G1, G9, and P[8]a sequences were highly similar to contemporary African strains at the lineage level. The study also resolved the methodological challenges of the standard genotyping techniques and highlighted the need for regular evaluation of the multiplex PCR-typing method especially in the post-vaccination era. The study further highlights the need for regions to start using sequencing data from local rotavirus strains to design and update genotyping primers.
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Affiliation(s)
- Susan Afua Damanka
- Department of Electron Microscopy and Histopathology, Noguchi Memorial Institute for Medical Research, College of Health Sciences, University of Ghana, Legon, Accra, Ghana
- * E-mail:
| | - Chantal Ama Agbemabiese
- Department of Electron Microscopy and Histopathology, Noguchi Memorial Institute for Medical Research, College of Health Sciences, University of Ghana, Legon, Accra, Ghana
| | - Francis Ekow Dennis
- Department of Electron Microscopy and Histopathology, Noguchi Memorial Institute for Medical Research, College of Health Sciences, University of Ghana, Legon, Accra, Ghana
| | - Belinda Larteley Lartey
- Department of Electron Microscopy and Histopathology, Noguchi Memorial Institute for Medical Research, College of Health Sciences, University of Ghana, Legon, Accra, Ghana
| | - Theophilus Korku Adiku
- School of Basic and Biomedical Sciences, University of Health and Allied Sciences, Ho, Ghana
| | | | - George Enyimah Armah
- Department of Electron Microscopy and Histopathology, Noguchi Memorial Institute for Medical Research, College of Health Sciences, University of Ghana, Legon, Accra, Ghana
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Damanka SA, Kwofie S, Dennis FE, Lartey BL, Agbemabiese CA, Doan YH, Adiku TK, Katayama K, Enweronu-Laryea CC, Armah GE. Whole genome characterization and evolutionary analysis of OP354-like P[8] Rotavirus A strains isolated from Ghanaian children with diarrhoea. PLoS One 2019; 14:e0218348. [PMID: 31199823 PMCID: PMC6570025 DOI: 10.1371/journal.pone.0218348] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Accepted: 05/30/2019] [Indexed: 11/22/2022] Open
Abstract
In 2010, the rare OP354-like P[8]b rotavirus subtype was detected in children less than 2 years old in Ghana. In this follow-up study, to provide insight into the evolutionary history of the genome of Ghanaian P[8]b strains RVA/Human-wt/GHA/GHDC949/2010/G9P[8] and RVA/Human-wt/GHA/GHM0094/2010/G9P[8] detected in an infant and a 7-month old child hospitalised for acute gastroenteritis, we sequenced the complete genome using both Sanger sequencing and Illumina MiSeq technology followed by phylogenetic analysis of the near-full length sequences. Both strains possessed the Wa-like/genotype 1 constellation G9P[8]b-I1-R1-C1-M1-A1-N1-T1-E1-H1. Sequence comparison and phylogenetic inference showed that both strains were identical at the lineage level throughout the 11 genome segments. Their VP7 sequences belonged to the major sub-lineage of the G9-lineage III whereas their VP4 sequences belonged to P[8]b cluster I. The VP7 and VP4 genes of the study strains were closely related to a Senegalese G9P[8]b strain detected in 2009. In the remaining nine genome segments, both strains consistently clustered together with Wa-like RVA strains possessing either P[8]a or P[8]b mostly of African RVA origin. The introduction of a P[8]b subtype VP4 gene into the stable Wa-like strain backbone may result in strains that might propagate easily in the human population, with a potential to become an important public health concern, especially because it is not certain if the monovalent rotavirus vaccine (Rotarix) used in Ghana will be efficacious against such strains. Our analysis of the full genomes of GHM0094 and GHDC949 adds to knowledge of the genetic make-up and evolutionary dynamics of P[8]b rotavirus strains.
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Affiliation(s)
- Susan Afua Damanka
- Department of Electron Microscopy and Histopathology, Noguchi Memorial Institute for Medical Research, College of Health Sciences, University of Ghana, Legon, Ghana
- * E-mail:
| | - Sabina Kwofie
- Department of Electron Microscopy and Histopathology, Noguchi Memorial Institute for Medical Research, College of Health Sciences, University of Ghana, Legon, Ghana
- Department of Microbiology, School of Biomedical and Allied Health Science, College of Health Sciences, University of Ghana, Legon, Ghana
| | - Francis Ekow Dennis
- Department of Electron Microscopy and Histopathology, Noguchi Memorial Institute for Medical Research, College of Health Sciences, University of Ghana, Legon, Ghana
| | - Belinda Larteley Lartey
- Department of Electron Microscopy and Histopathology, Noguchi Memorial Institute for Medical Research, College of Health Sciences, University of Ghana, Legon, Ghana
| | - Chantal Ama Agbemabiese
- Department of Electron Microscopy and Histopathology, Noguchi Memorial Institute for Medical Research, College of Health Sciences, University of Ghana, Legon, Ghana
| | - Yen Hai Doan
- Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan
| | - Theophilus Korku Adiku
- School of Basic and Biomedical Sciences, University of Health and Allied Sciences, Ho, Ghana
| | - Kazuhiko Katayama
- Laboratory of Viral Infection I, Kitasato Institute for Life Sciences, Graduate School of Infection Control Sciences, Minato, Tokyo, Japan
| | | | - George Enyimah Armah
- Department of Electron Microscopy and Histopathology, Noguchi Memorial Institute for Medical Research, College of Health Sciences, University of Ghana, Legon, Ghana
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