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Islam A, Deeba F, Tarai B, Gupta E, Naqvi IH, Abdullah M, Dohare R, Ahmed A, Almajhdi FN, Hussain T, Parveen S. Global and local evolutionary dynamics of Dengue virus serotypes 1, 3, and 4. Epidemiol Infect 2023; 151:e127. [PMID: 37293986 PMCID: PMC10540175 DOI: 10.1017/s0950268823000924] [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: 10/12/2022] [Revised: 04/01/2023] [Accepted: 05/23/2023] [Indexed: 06/10/2023] Open
Abstract
Evolutionary studies on Dengue virus (DENV) in endemic regions are necessary since naturally occurring mutations may lead to genotypic variations or shifts in serotypes, which may lead to future outbreaks. Our study comprehends the evolutionary dynamics of DENV, using phylogenetic, molecular clock, skyline plots, network, selection pressure, and entropy analyses based on partial CprM gene sequences. We have collected 250 samples, 161 in 2017 and 89 in 2018. Details for the 2017 samples were published in our previous article and that of 2018 are presented in this study. Further evolutionary analysis was carried out using 800 sequences, which incorporate the study and global sequences from GenBank: DENV-1 (n = 240), DENV-3 (n = 374), and DENV-4 (n = 186), identified during 1944-2020, 1956-2020, and 1956-2021, respectively. Genotypes V, III, and I were identified as the predominant genotypes of the DENV-1, DENV-3, and DENV-4 serotypes, respectively. The rate of nucleotide substitution was found highest in DENV-3 (7.90 × 10-4 s/s/y), followed by DENV-4 (6.23 × 10-4 s/s/y) and DENV-1 (5.99 × 10-4 s/s/y). The Bayesian skyline plots of the Indian strains revealed dissimilar patterns amongst the population size of the three serotypes. Network analyses showed the presence of different clusters within the prevalent genotypes. The data presented in this study will assist in supplementing the measures for vaccine development against DENV.
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Affiliation(s)
- Arshi Islam
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi, India
| | - Farah Deeba
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi, India
| | - Bansidhar Tarai
- Department of Microbiology and Infection Control, Max Superspeciality Hospital, New Delhi, India
| | - Ekta Gupta
- Department of Clinical Virology, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Irshad H. Naqvi
- Dr. M.A. Ansari Health Centre, Jamia Millia Islamia, New Delhi, India
| | - Mohd. Abdullah
- Dr. M.A. Ansari Health Centre, Jamia Millia Islamia, New Delhi, India
| | - Ravins Dohare
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi, India
| | - Anwar Ahmed
- Centre of Excellence in Biotechnology Research, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Fahad N. Almajhdi
- Centre of Excellence in Biotechnology Research, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Tajamul Hussain
- Centre of Excellence in Biotechnology Research, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Shama Parveen
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi, India
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Gowri Sankar S, Mowna Sundari T, Alwin Prem Anand A. Emergence of Dengue 4 as Dominant Serotype During 2017 Outbreak in South India and Associated Cytokine Expression Profile. Front Cell Infect Microbiol 2021; 11:681937. [PMID: 34447698 PMCID: PMC8382982 DOI: 10.3389/fcimb.2021.681937] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Accepted: 07/12/2021] [Indexed: 12/23/2022] Open
Abstract
Dengue virus (DENV) infection is prevalent in tropical and subtropical regions of the world, which is fatal if untreated symptomatically. Emergence of new genotype within serotypes led to enhanced severity. The objective of the study is to identify the molecular characteristics of the DENV circulated during 2017 outbreak in Tamil Nadu, India, and to investigate the role of inflammatory cytokines in different “serotypes” and in “dengue severity”. A total of 135 suspected samples were tested for DENV infection using IgM, IgG, and qPCR assay; where 76 samples were positive for DENV and analyzed for 12 inflammatory cytokines using ELISA. Serotyping shows 14 DENV-1, 22 DENV-2, 7 DENV-3, and 33 DENV-4, where DENV-4 was predominant. Among 76, 42 isolates were successfully sequenced for C-prM region and grouped. A lineage shift was observed in DENV-4 genotype. Irrespective of serotypes, IFNγ was significantly elevated in all serotypes than control as well as in primary infection than secondary, indicating its role in immune response. GM-CSF and IP-10 were significantly elevated in secondary infection and could be used as prognostic biomarkers for secondary infection. Our observation shows differential cytokine expression profile varied with each serotype, indicating serotype/genotype-specific viral proteins might play a major role in dengue severity. DENV-4 as dominant serotype was reported in Tamil Nadu for the first time during an outbreak with a mixed Th1/Th17 cytokine expression profile that correlated with disease severity. We conclude it is essential to identify circulating viral genotype and their fitness by mutational analysis to correlate with disease severity and immune status, as this correlation will be helpful in diagnostics and therapeutics applications.
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Affiliation(s)
- S Gowri Sankar
- Department of Molecular Biology, Indian Council of Medical Research (ICMR)-Vector Control Research Center - Field Station, Madurai, India
| | - T Mowna Sundari
- Department of Biotechnology - Bioinformatics Infrastructure Facilities (DBT-BIF) Centre (Under DBT Biotechnology Information System Network (BTISNet) Scheme), Lady Doak College, Madurai, India.,Department of Biotechnology, Lady Doak College, Madurai, India
| | - A Alwin Prem Anand
- Institute of Clinical Anatomy and Cell Analysis, University of Tuebingen, Tuebingen, Germany
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Alagarasu K, Patil JA, Kakade MB, More AM, Yogesh B, Newase P, Jadhav SM, Parashar D, Kaur H, Gupta N, Vijay N, Narayan J, Shah PS. Serotype and genotype diversity of dengue viruses circulating in India: a multi-centre retrospective study involving the Virus Research Diagnostic Laboratory Network in 2018. Int J Infect Dis 2021; 111:242-252. [PMID: 34428547 DOI: 10.1016/j.ijid.2021.08.045] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 08/18/2021] [Accepted: 08/19/2021] [Indexed: 11/28/2022] Open
Abstract
OBJECTIVES A retrospective study was undertaken to investigate the circulating dengue virus (DENV) serotypes and genotypes in India in 2018. METHODS In total, 4963 samples referred to virus research diagnostic laboratories (n=21), the Indian Council of Medical Research-National Institute of Virology (ICMR-NIV) and ICMR-NIV field units (n=2) for diagnosis of dengue in 2018 were tested using a real-time reverse transcription polymerase chain reaction assay for the presence of DENV serotypes. Representative samples were sequenced for the envelope (E) gene. RESULTS Regional diversity was observed with regard to the dominant circulating serotypes. DENV-2 was found to be the most common serotype in many states. Thrombocytopenia, petechiae and malaise were associated with DENV-2 infection. Phylogenetic analyses of DENV E gene sequences revealed the circulation of genotypes I and V of DENV-1, two lineages of DENV-2 genotype IV, DENV-3 genotype III and DENV-4 genotype I. CONCLUSIONS This study found regional differences in the prevalence of circulating DENV serotypes in India, and provides baseline data for continuous molecular surveillance. Molecular surveillance may have implications for predicting large-scale outbreaks of dengue if regional shifts in the predominantly circulating serotypes and genotypes are detected during the early phase of the dengue season.
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Affiliation(s)
- K Alagarasu
- Dengue and Chikungunya Group, ICMR-National Institute of Virology, Pune, Maharashtra, India.
| | - J A Patil
- Dengue and Chikungunya Group, ICMR-National Institute of Virology, Pune, Maharashtra, India
| | - M B Kakade
- Dengue and Chikungunya Group, ICMR-National Institute of Virology, Pune, Maharashtra, India
| | - A M More
- Dengue and Chikungunya Group, ICMR-National Institute of Virology, Pune, Maharashtra, India
| | - B Yogesh
- Dengue and Chikungunya Group, ICMR-National Institute of Virology, Pune, Maharashtra, India
| | - P Newase
- Dengue and Chikungunya Group, ICMR-National Institute of Virology, Pune, Maharashtra, India
| | - S M Jadhav
- Dengue and Chikungunya Group, ICMR-National Institute of Virology, Pune, Maharashtra, India
| | - D Parashar
- Dengue and Chikungunya Group, ICMR-National Institute of Virology, Pune, Maharashtra, India
| | - H Kaur
- Virology Unit, Indian Council of Medical Research, New Delhi, India
| | - N Gupta
- Virology Unit, Indian Council of Medical Research, New Delhi, India
| | - N Vijay
- Virology Unit, Indian Council of Medical Research, New Delhi, India
| | - J Narayan
- Virology Unit, Indian Council of Medical Research, New Delhi, India
| | - P S Shah
- Dengue and Chikungunya Group, ICMR-National Institute of Virology, Pune, Maharashtra, India
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Rai P, Kille S, Kotian A, Kumar BK, Deekshit VK, Ramakrishna MS, Karunasagar I, Karunasagar I. Molecular investigation of the dengue outbreak in Karnataka, South India, reveals co-circulation of all four dengue virus serotypes. INFECTION GENETICS AND EVOLUTION 2021; 92:104880. [PMID: 33905893 DOI: 10.1016/j.meegid.2021.104880] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 04/16/2021] [Accepted: 04/19/2021] [Indexed: 11/20/2022]
Abstract
The growing incidence of dengue outbreaks in the state of Karnataka prompted us to study the circulating dengue virus (DENV) and their proportion among the suspected cases of dengue patients during the disease outbreak at Mysuru district of Southern India. The presence of the DENV in a patient's serum sample was identified by RT-PCR using previously published primer pairs targeting CprM gene. DENV serotyping was carried out by semi-nested multiplex PCR using serotype-specific primers and nucleotide sequencing. Three hundred fifty-five samples of serum from suspected dengue cases were collected, and 203 samples (57.18%) were found positives. In 2016, DENV-4 (97.87%) was found to be the most dominant DENV serotype either alone or as co-infection, followed by DENV-2 (8.51%) and DENV-3 (4.25%). In 47 positive cases, co-infection with more than one serotype was detected in 4 cases (8.51%). The analysis of the dengue cases in 2017, DENV-4 was dominating serotype (33.97%), followed by the emergence of DENV-2 (32.05%), DENV-3 (25.64%), and DENV-1 (25.00%). Our study also reports the circulation of all four DENV serotypes in the Mysuru district of Southern India, with concurrent infections rate of 16.66% in 2017. The present study provides information regarding the genetic variation among the circulating DENV serotype in an Indian state of Karnataka. The need for the studying genetic diversity of DENV will be useful during the continuous monitoring for disease burden as well as the development of appropriate prophylactic measures to control the spread of dengue infection.
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Affiliation(s)
- Praveen Rai
- Nitte (Deemed to be University), Nitte University Centre for Science Education and Research (NUCSER), Division of Infectious Diseases, Deralakatte, Mangaluru 575018, Karnataka, India.
| | - Sonam Kille
- Nitte (Deemed to be University), Nitte University Centre for Science Education and Research (NUCSER), Division of Infectious Diseases, Deralakatte, Mangaluru 575018, Karnataka, India
| | - Akshatha Kotian
- Nitte (Deemed to be University), Nitte University Centre for Science Education and Research (NUCSER), Division of Infectious Diseases, Deralakatte, Mangaluru 575018, Karnataka, India
| | - Ballamoole Krishna Kumar
- Nitte (Deemed to be University), Nitte University Centre for Science Education and Research (NUCSER), Division of Infectious Diseases, Deralakatte, Mangaluru 575018, Karnataka, India
| | - Vijaya Kumar Deekshit
- Nitte (Deemed to be University), Nitte University Centre for Science Education and Research (NUCSER), Division of Infectious Diseases, Deralakatte, Mangaluru 575018, Karnataka, India
| | - Mysore Shivalingappa Ramakrishna
- 306/A, 3(rd) Stage Main, 9(th) Cross A-1BLOCK Vijay Nagar, 3(rd) Stage, Behind Clear medi Radiant Hospital, Mysuru 570030, Karnataka, India
| | - Indrani Karunasagar
- Nitte (Deemed to be University), Nitte University Centre for Science Education and Research (NUCSER), Division of Infectious Diseases, Deralakatte, Mangaluru 575018, Karnataka, India
| | - Iddya Karunasagar
- Nitte (Deemed to be University), Nitte University Centre for Science Education and Research (NUCSER), Division of Infectious Diseases, Deralakatte, Mangaluru 575018, Karnataka, India
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