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Kidokoro M, Shiino T, Yamaguchi T, Nariai E, Kodama H, Nakata K, Sano T, Gotou K, Kisu T, Maruyama T, Kuba Y, Sakata W, Higashi T, Kiyota N, Sakai T, Yahiro S, Nagita A, Watanabe K, Hirokawa C, Hamabata H, Fujii Y, Yamamoto M, Yokoi H, Sakamoto M, Saito H, Shibata C, Inada M, Fujitani M, Minagawa H, Ito M, Shima A, Murano K, Katoh H, Kato F, Takeda M, Suga S. Nationwide and long-term molecular epidemiologic studies of mumps viruses that circulated in Japan between 1986 and 2017. Front Microbiol 2022; 13:728831. [PMID: 36386684 PMCID: PMC9650061 DOI: 10.3389/fmicb.2022.728831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 09/21/2022] [Indexed: 11/25/2022] Open
Abstract
In Japan, major mumps outbreaks still occur every 4–5 years because of low mumps vaccine coverage (30–40%) owing to the voluntary immunization program. Herein, to prepare for a regular immunization program, we aimed to reveal the nationwide and long-term molecular epidemiological trends of the mumps virus (MuV) in Japan. Additionally, we performed whole-genome sequencing (WGS) using next-generation sequencing to assess results from conventional genotyping using MuV sequences of the small-hydrophobic (SH) gene. We analyzed 1,064 SH gene sequences from mumps clinical samples and MuV isolates collected from 25 prefectures from 1986 to 2017. The results showed that six genotypes, namely B (110), F (1), G (900), H (3), J (41), and L (9) were identified, and the dominant genotypes changed every decade in Japan since the 1980s. Genotype G has been exclusively circulating since the early 2000s. Seven clades were identified for genotype G using SH sequence-based classification. To verify the results, we performed WGS on 77 representative isolates of genotype G using NGS and phylogenetically analyzed them. Five clades were identified with high bootstrap values and designated as Japanese clade (JPC)-1, -2, -3, -4, -5. JPC-1 and -3 accounted for over 80% of the total genotype G isolates (68.3 and 13.8%, respectively). Of these, JPC-2 and -5, were newly identified clades in Japan through this study. This is the first report describing the nationwide and long-term molecular epidemiology of MuV in Japan. The results provide information about Japanese domestic genotypes, which is essential for evaluating the mumps elimination progress in Japan after the forthcoming introduction of the mumps vaccine into Japan’s regular immunization program. Furthermore, the study shows that WGS analysis using NGS is more accurate than results obtained from conventional SH sequence-based classification and is a powerful tool for accurate molecular epidemiology studies.
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Affiliation(s)
- Minoru Kidokoro
- Department of Quality Assurance, Radiation Safety, and Information Management, National Institute of Infectious Diseases, Tokyo, Japan
- *Correspondence: Minoru Kidokoro,
| | - Teiichiro Shiino
- Center for Clinical Sciences, National Center for Global Health and Medicine, Tokyo, Japan
| | - Tomohiro Yamaguchi
- Public Hygiene Division, Gifu Prefectural Tono Region Public Health Center, Tajimi, Japan
| | - Eri Nariai
- Department of Health and Food Safety, Ishikawa Prefectural Institute of Public Health and Environmental Science, Kanazawa, Japan
| | - Hiroe Kodama
- Department of Health and Food Safety, Ishikawa Prefectural Institute of Public Health and Environmental Science, Kanazawa, Japan
| | - Keiko Nakata
- Division of Virology, Osaka Institute of Public Health, Osaka, Japan
| | - Takako Sano
- Division of Microbiology, Kanagawa Prefectural Institute of Public Health, Chigasaki, Japan
| | - Keiko Gotou
- Division of Virology, Ibaraki Prefectural Institute of Public Health, Mito, Ibaraki, Japan
| | - Tomoko Kisu
- Virus Research Center, Clinical Research Division, Sendai National Hospital, Sendai, Japan
| | - Tomomi Maruyama
- Department of Infectious Diseases, Gifu Prefectural Research Institute for Health and Environmental Sciences, Kakamigahara, Japan
| | - Yumani Kuba
- Department of Medical Microbiology and zoology, Okinawa Prefectural Institute of Health and Environment, Uruma, Japan
| | - Wakako Sakata
- Kitakyushu City Institute of Health and Environmental Sciences, Kitakyushu, Japan
| | - Teruaki Higashi
- Kitakyushu City Institute of Health and Environmental Sciences, Kitakyushu, Japan
| | - Naoko Kiyota
- Department of Microbiology, Kumamoto Prefectural Institute of Public-Health and Environmental Science, Uto, Japan
| | - Takashi Sakai
- Department of Microbiology, Kumamoto Prefectural Institute of Public-Health and Environmental Science, Uto, Japan
| | - Shunsuke Yahiro
- Department of Microbiology, Kumamoto Prefectural Institute of Public-Health and Environmental Science, Uto, Japan
| | - Akira Nagita
- Department of Pediatrics, Mizushima Central Hospital, Kurashiki, Japan
| | - Kaori Watanabe
- Virology Section, Niigata Prefectural Institute of Public Health and Environmental Sciences, Niigata, Japan
| | - Chika Hirokawa
- Virology Section, Niigata Prefectural Institute of Public Health and Environmental Sciences, Niigata, Japan
| | | | - Yoshiki Fujii
- Division of Biological Science, Hiroshima City Institute of Public Health, Hiroshima, Japan
| | - Miwako Yamamoto
- Division of Biological Science, Hiroshima City Institute of Public Health, Hiroshima, Japan
| | - Hajime Yokoi
- Health Science Division, Chiba City Institute of Health and Environment, Chiba, Japan
| | - Misako Sakamoto
- Health Science Division, Chiba City Institute of Health and Environment, Chiba, Japan
| | - Hiroyuki Saito
- Department of Microbiology, Akita Prefectural Research Center for Public Health and Environment, Akita, Japan
| | - Chihiro Shibata
- Department of Microbiology, Akita Prefectural Research Center for Public Health and Environment, Akita, Japan
| | - Machi Inada
- Virology and Epidemiology Division, Nara Prefecture Institute of Health, Sakurai, Japan
| | - Misako Fujitani
- Virology and Epidemiology Division, Nara Prefecture Institute of Health, Sakurai, Japan
| | - Hiroko Minagawa
- Laboratory of Virology, Aichi Prefectural Institute of Public Health, Nagoya, Japan
| | - Miyabi Ito
- Laboratory of Virology, Aichi Prefectural Institute of Public Health, Nagoya, Japan
| | - Akari Shima
- Microbiology Division, Saga Prefectural Institute of Public Health and Pharmaceutical Research, Saga, Japan
| | - Keiko Murano
- Department of Virology III, National Institute of Infectious Diseases, Tokyo, Japan
| | - Hiroshi Katoh
- Department of Virology III, National Institute of Infectious Diseases, Tokyo, Japan
| | - Fumihiro Kato
- Department of Virology III, National Institute of Infectious Diseases, Tokyo, Japan
| | - Makoto Takeda
- Department of Virology III, National Institute of Infectious Diseases, Tokyo, Japan
| | - Shigeru Suga
- Department of Pediatrics, National Hospital Organization Mie National Hospital, Tsu, Japan
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Frost JR, Shaikh S, Severini A. Exploring the Mumps Virus Glycoproteins: A Review. Viruses 2022; 14:v14061335. [PMID: 35746805 PMCID: PMC9229384 DOI: 10.3390/v14061335] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 06/10/2022] [Accepted: 06/14/2022] [Indexed: 12/03/2022] Open
Abstract
The resurgence of mumps in vaccinated adult populations has raised concerns about possible waning vaccine immunity or a potential lack of protection to the circulating strain. A number of individual studies have investigated if there are amino acid variations between the circulating wild-type strains and vaccine strains. In these studies, the HN and F mumps surface glycoproteins have been of interest, because of their role in viral infection, and because the HN protein is the target of neutralizing antibodies. Here, we summarize the single nucleotide variants and their potential effect that have been identified between mumps genotypes in the HN and F proteins.
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Affiliation(s)
- Jasmine Rae Frost
- Department of Medical Microbiology and Infectious Diseases, Faculty of Health Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada; (J.R.F.); (S.S.)
| | - Saba Shaikh
- Department of Medical Microbiology and Infectious Diseases, Faculty of Health Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada; (J.R.F.); (S.S.)
| | - Alberto Severini
- Department of Medical Microbiology and Infectious Diseases, Faculty of Health Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada; (J.R.F.); (S.S.)
- JC Wilt Infectious Diseases Research Centre, NMLB, Public Health Agency of Canada, Winnipeg, MB R3E 3R2, Canada
- Correspondence: ; Tel.: +1-204-789-6022; Fax: +1-204-318-2222
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