Molecular characterization of bovine ephemeral fever virus in Thailand between 2013 and 2017

Chaisirirat, Thanawat; Sangthong, Pradit; Arunvipas, P.; Petcharat, Nantawan; Thangthamniyom, Nattarat; Chumsing, Wilairat; Lekcharoensuk, Porntippa

doi:10.1016/j.vetmic.2018.10.013

Cited by 15 publications

(15 citation statements)

References 24 publications

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“…Walker, unpublished data). Also, certain small ORFs denoted as P′ (Chaisirirat et al, 2018) and α3 (McWilliam et al, 1997) were also found within the main ORFs respective to P and α2 genes. Recently, it has been shown that α3 protein of 5.8 kDa plays a role in cellular apoptosis, thereby enhancing the viral replication rate (Jiang, Hou, He, & Wang, 2020).…”

Section: Introductionmentioning

confidence: 95%

Identification and phylogenetic characterization of bovine ephemeral fever virus (BEFV) of Middle Eastern lineage associated with 2018‐2019 outbreaks in India

Pyasi

Sahu

Sahoo

et al. 2020

Transbound Emerg Dis

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Bovine ephemeral fever virus (BEFV) is an evolving arbovirus reported across tropical, subtropical and temperate climatic zones globally. This study reveals prominent BEFV outbreaks in India, emerging annually during monsoons in subtropical areas accompanied by a congenial abundance of the vector population. PCR‐based detection of viral genomic RNA in the blood samples collected during outbreaks of 2018–2019 for the first time confirmed the presence of BEFV in India. Phylogenetic analysis based on the glycoprotein gene of BEFV showed the current isolates to have high sequence homology with Middle Eastern lineage with nearly 97%, identity to Turkey (BEFV Ad12/TUR) and Israel (Israel 2006) isolates.

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Section: Introductionmentioning

confidence: 95%

Identification and phylogenetic characterization of bovine ephemeral fever virus (BEFV) of Middle Eastern lineage associated with 2018‐2019 outbreaks in India

Pyasi

Sahu

Sahoo

et al. 2020

Transbound Emerg Dis

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“…In terms of the studies on the virulence of other rhabdoviruses, the variation in amino acids of the viral glycoprotein [74,75,76] shows their influences on the pathogenicity of rabies lyssavirus. In contrast, although a comparison of deduced amino acid sequences of BFV glycoprotein has been made and differences between virus isolates have been shown [21,28,33,77], influences of the amino acid variation on the pathogenicity of BEFV remain unexamined. An increase in the mortality rate was observed in the recent outbreaks in China [21] and Turkey [42], and this observation implies a change in virulence of the virus strain.…”

Section: Discussionmentioning

confidence: 99%

“…With a countrywide cattle population of 5.5 million heads, BEF may be one of the most important bovine diseases of the dairy and beef industry in Thailand. The first and currently only genetic study on the molecular characteristics of Thai BEFVs was published in 2018 [28]. It revealed that the BEFVs isolated from 2013 to 2017 in Thailand can be divided into two clusters.…”

Section: History and Geographical Distributionmentioning

confidence: 99%

Bovine Ephemeral Fever in Asia: Recent Status and Research Gaps

Lee

2019

Viruses

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Bovine ephemeral fever is an arthropod-borne viral disease affecting mainly domestic cattle and water buffalo. The etiological agent of this disease is bovine ephemeral fever virus, a member of the genus Ephemerovirus within the family Rhabdoviridae. Bovine ephemeral fever causes economic losses by a sudden drop in milk production in dairy cattle and loss of condition in beef cattle. Although mortality resulting from this disease is usually lower than 1%, it can reach 20% or even higher. Bovine ephemeral fever is distributed across many countries in Asia, Australia, the Middle East, and Africa. Prevention and control of the disease mainly relies on regular vaccination. The impact of bovine ephemeral fever on the cattle industry may be underestimated, and the introduction of bovine ephemeral fever into European countries is possible, similar to the spread of bluetongue virus and Schmallenberg virus. Research on bovine ephemeral fever remains limited and priority of investigation should be given to defining the biological vectors of this disease and identifying virulence determinants.

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“…However, phylogenetic studies of orthobunyaviruses and BEFV indicated that they evolved independently in separate gene pools with different geographical origins (22,108,279). In contrast, BEFV, BTV, BANV, and JEV strains, which were isolated in Southeast Asia, often have closed genetic relationships with those isolated in East Asia (280)(281)(282)(283).…”

Section: Research Gaps and Future Directionsmentioning

confidence: 99%

Endemic and Emerging Arboviruses in Domestic Ruminants in East Asia

2020

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Epizootic congenital abnormalities caused by Akabane, Aino, and Chuzan viruses have damaged the reproduction of domestic ruminants in East Asia for many years. In the past, large outbreaks of febrile illness related to bovine ephemeral fever and Ibaraki viruses severely affected the cattle industry in that region. In recent years, vaccines against these viruses have reduced the occurrence of diseases, although the viruses are still circulating and have occasionally caused sporadic and small-scaled epidemics. Over a long-term monitoring period, many arboviruses other than the above-mentioned viruses have been isolated from cattle and Culicoides biting midges in Japan. Several novel arboviruses that may infect ruminants (e.g., mosquito-and tick-borne arboviruses) were recently reported in mainland China based on extensive surveillance. It is noteworthy that some are suspected of being associated with cattle diseases. Malformed calves exposed to an intrauterine infection with orthobunyaviruses (e.g., Peaton and Shamonda viruses) have been observed. Epizootic hemorrhagic disease virus serotype 6 caused a sudden outbreak of hemorrhagic disease in cattle in Japan. Unfortunately, the pathogenicity of many other viruses in ruminants has been uncertain, although these viruses potentially affect livestock production. As global transportation grows, the risk of an accidental incursion of arboviruses is likely to increase in previously non-endemic areas. Global warming will also certainly affect the distribution and active period of vectors, and thus the range of virus spreads will expand to higher-latitude regions. To prevent anticipated damages to the livestock industry, the monitoring system for arboviral circulation and incursion should be strengthened; moreover, the sharing of information and preventive strategies will be essential in East Asia.

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Molecular characterization of bovine ephemeral fever virus in Thailand between 2013 and 2017

Cited by 15 publications

References 24 publications

Identification and phylogenetic characterization of bovine ephemeral fever virus (BEFV) of Middle Eastern lineage associated with 2018‐2019 outbreaks in India

Identification and phylogenetic characterization of bovine ephemeral fever virus (BEFV) of Middle Eastern lineage associated with 2018‐2019 outbreaks in India

Bovine Ephemeral Fever in Asia: Recent Status and Research Gaps

Endemic and Emerging Arboviruses in Domestic Ruminants in East Asia

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