Complete Coding Sequence of a Chikungunya Virus Strain Imported into Slovenia from Thailand in Late 2018

Zakotnik, Samo; Korva, Miša; Knap, Nataša; Robnik, Barbara; Miksić, Nina Gorišek; Avšič-Županc, Tatjana

doi:10.1128/mra.00581-19

Cited by 5 publications

(6 citation statements)

References 15 publications

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“…Interestingly, this Asian-Pacific genotype developed in Indonesia while at the same time other Asian countries, mostly continental, i.e. India, Thailand, Cambodia, Singapore and Malaysia, were invaded by the ECSA-IOL genotype (Sam et al, 2009;Hapuarachchi et al, 2010;Rianthavorn et al, 2010;Duong et al, 2012;Fu et al, 2019;Intayot et al, 2019;Zakotnik et al, 2019;Chansaenroj et al, 2020;Pyke et al, 2020). The reason for this duality is not known but would be worth investigating.…”

Section: Discussionmentioning

confidence: 99%

Fast Expansion of the Asian-Pacific Genotype of the Chikungunya Virus in Indonesia

Anggraeni

Garjito

Prihatin

et al. 2021

Front. Cell. Infect. Microbiol.

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Chikungunya is repeatedly affecting Indonesia through successive outbreaks. The Asian genotype has been present in Asia since the late 1950s while the ECSA-IOL (East/Central/South Africa - Indian Ocean Lineage) genotype invaded Asia in 2005. In order to determine the extension of the circulation of the chikungunya virus (CHIKV) in Indonesia, mosquitoes were collected in 28 different sites from 12 Indonesian provinces in 2016-2017. The E1 subunit of the CHIKV envelope gene was sequenced while mosquitoes were genotyped using the mitochondrial cox1 (cytochrome C oxidase subunit 1) gene to determine whether a specific population was involved in the vectoring of CHIKV. A total of 37 CHIKV samples were found in 28 Aedes aegypti, 8 Aedes albopictus and 1 Aedes butleri out of 15,362 samples collected and tested. These viruses, like all Indonesian CHIKV since 2000, belonged to a genotype we propose to call the Asian-Pacific genotype. It also comprises the Yap isolates and viruses having emerged in Polynesia, the Caribbean and South America. They differ from the CHIKV of the Asian genotype found earlier in Indonesia indicating a replacement. These results raise the question of the mechanisms behind this fast and massive replacement.

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Section: Discussionmentioning

confidence: 99%

Fast Expansion of the Asian-Pacific Genotype of the Chikungunya Virus in Indonesia

Anggraeni

Garjito

Prihatin

et al. 2021

Front. Cell. Infect. Microbiol.

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“…In the present study, we examined CHIKV-positive serum from Dhaka during July–December 2017 [ 11 ]. Later in 2018–2019, CHIKV transmission was observed in nearby regions simultaneously, and the number of CHIKV cases noticeably increased in travelers and locals in Myanmar and especially Thailand [ 19 , 38 , 39 , 40 ]. According to the national surveillance of Thailand, the numbers of confirmed cases were 10, 3,580, and 11,721 in 2017, 2018, and 2019, respectively [ 15 ].…”

Section: Discussionmentioning

confidence: 99%

A Novel Sub-Lineage of Chikungunya Virus East/Central/South African Genotype Indian Ocean Lineage Caused Sequential Outbreaks in Bangladesh and Thailand

Phadungsombat

Imad

Rahman

et al. 2020

Viruses

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In recent decades, chikungunya virus (CHIKV) has become geographically widespread. In 2004, the CHIKV East/Central/South African (ECSA) genotype moved from Africa to Indian ocean islands and India followed by a large epidemic in Southeast Asia. In 2013, the CHIKV Asian genotype drove an outbreak in the Americas. Since 2016, CHIKV has re-emerged in the Indian subcontinent and Southeast Asia. In the present study, CHIKVs were obtained from Bangladesh in 2017 and Thailand in 2019, and their nearly full genomes were sequenced. Phylogenetic analysis revealed that the recent CHIKVs were of Indian Ocean Lineage (IOL) of genotype ECSA, similar to the previous outbreak. However, these CHIKVs were all clustered into a new distinct sub-lineage apart from the past IOL CHIKVs, and they lacked an alanine-to-valine substitution at position 226 of the E1 envelope glycoprotein, which enhances CHIKV replication in Aedes albopictus. Instead, all the re-emerged CHIKVs possessed mutations of lysine-to-glutamic acid at position 211 of E1 and valine-to-alanine at position 264 of E2. Molecular clock analysis suggested that the new sub-lineage CHIKV was introduced to Bangladesh around late 2015 and Thailand in early 2017. These results suggest that re-emerged CHIKVs have acquired different adaptations than the previous CHIKVs.

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“…The phylogenetic analysis ( Fig. 1 ) revealed that all new sequences belong to the ECSA genotype and are in the same group as those with GenBank accession numbers MK848202 and MN630017 , which were reported as cases imported from Thailand to Slovenia ( 7 ) and Australia.…”

Section: Announcementmentioning

confidence: 89%

“…This mutation is associated with increased viral transmission in Aedes albopictus ( 5 ). The most recent CHIKV outbreak in Thailand was reported in 2018 to 2019 ( 6 , 7 ). To investigate the CHIKV genomes from this outbreak, we sequenced 22 existing CHIKV isolates from Thailand.…”

Section: Announcementmentioning

confidence: 99%

Complete Coding Sequences of 22 East/Central/South African Genotype Chikungunya Virus Isolates from Thailand (2018 to 2019)

Chinnawirotpisan

Chusri

Manasatienkij

et al. 2020

Microbiol Resour Announc

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Complete Coding Sequence of a Chikungunya Virus Strain Imported into Slovenia from Thailand in Late 2018

Cited by 5 publications

References 15 publications

Fast Expansion of the Asian-Pacific Genotype of the Chikungunya Virus in Indonesia

Fast Expansion of the Asian-Pacific Genotype of the Chikungunya Virus in Indonesia

A Novel Sub-Lineage of Chikungunya Virus East/Central/South African Genotype Indian Ocean Lineage Caused Sequential Outbreaks in Bangladesh and Thailand

Complete Coding Sequences of 22 East/Central/South African Genotype Chikungunya Virus Isolates from Thailand (2018 to 2019)

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