Isolation of Bovine Arboviruses from<i>Culicoides</i>Biting Midges (Diptera: Ceratopogonidae) in Southern Japan: 1985–2002

Yanase, Tohru; Kato, Tomoko; Kubo, T.; Yoshida, Kazuo; Ohashi, Seiichi; Yamakawa, Makoto; Miura, Yasuo; Tsuda, Toshitaka

doi:10.1093/jmedent/42.1.63

Cited by 81 publications

(58 citation statements)

References 21 publications

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“…Molecular identification of C. oxystoma is of great importance as this species is the most important potential vector of several arboviruses in Japan, with 85.9% of all viruses isolated from this species causing major livestock diseases, such as EHDV [35]. It would therefore be interesting to determine whether this important potential vector species plays a role in the epidemiology of Culicoides -borne diseases in Israel and the Middle East.…”

Section: Discussionmentioning

confidence: 99%

“…2 weeks) during the BTV season, it showed the highest mean period between blood meals as well as the highest range of expectation to remain infective, suggesting that this species could serve as an important augmenting vector during that limited period. Although previous attempts to isolate arboviruses from pools of midges of the C. schultzei complex from Israel have been mainly unsuccessful [39], studies from other countries have demonstrated the isolation of arboviruses from this species complex [14], [35]. In addition, BTV was shown to multiply in an Israeli C. schultzei gp.…”

Section: Discussionmentioning

confidence: 99%

“…As this species has the potential to transmit important arboviruses [16], [35], we analyzed its phylogenetic status and its geographical distribution to evaluate its vectoring potential in the Middle East region.…”

Section: Introductionmentioning

confidence: 99%

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Molecular Identification, Phylogenetic Status, and Geographic Distribution of Culicoides oxystoma (Diptera: Ceratopogonidae) in Israel

Morag¹,

Saroya²,

Braverman³

et al. 2012

PLoS ONE

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Culicoides oxystoma (Diptera: Ceratopogonidae) is an important vector species, reported mainly from Asia, with high potential to transmit viral diseases affecting livestock. In Japan, many arboviruses have been isolated from C. oxystoma, suggesting it as a key player in the epidemiology of several Culicoides-borne diseases. Over the years, C. oxystoma has also been reported in the Middle East region, including Israel. In this region, however, C. oxystoma cannot be easily distinguished morphologically from its sibling species included in the Culicoides schultzei complex. We therefore used genomic data for species identification and phylogeny resolution. Phylogenetic analyses based on internal transcribed spacer 1 (ITS-1) of ribosomal DNA and the mitochondrial gene encoding cytochrome oxidase subunit I (COI) showed that C. oxystoma from Israel is closely related to C. oxystoma from Japan. Using differential probing PCR, we showed that C. oxystoma is distributed all over the country, especially in Mediterranean climate regions. Culicoides oxystoma is less common or even absent in arid regions, while the other genetic cluster of C. schultzei complex was found only in the east of the country (mostly arid and semiarid regions). The molecular finding of C. oxystoma in wide geographical regions, together with its high proportion in the general Culicoides population and its vectoring potential, imply that it may be an important vector species in the Middle East.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Molecular Identification, Phylogenetic Status, and Geographic Distribution of Culicoides oxystoma (Diptera: Ceratopogonidae) in Israel

Morag¹,

Saroya²,

Braverman³

et al. 2012

PLoS ONE

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“…The other insects were pooled on the basis of place and species, and stored at −80°C until virus isolation. The collected insects were processed for virus isolation with BHK-21 cells as described previously [24]. …”

Section: Methodsmentioning

confidence: 99%

Resurgence of bovine ephemeral fever in mainland Japan in 2015 after a 23-year absence

Hirashima

Nojiri

Ohtsuka

et al. 2017

The Journal of Veterinary Medical Science

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In September and October 2015, suspected cases of bovine ephemeral fever (BEF) were reported in the mainland region of Kagoshima Prefecture and on Tanegashima Island. The genome of the BEF virus (BEFV) was detected in the diseased cows and the cows that had recovered. The serum obtained from the affected cows contained high titers of BEFV-neutralizing antibody. In total, 18 affected cows were demonstrated to be infected with BEFV during the outbreak. Our findings showed evidence that BEF occurred in mainland Japan after a 23-year absence. Phylogenetic analysis based on the surface glycoprotein (G) gene revealed that BEFVs detected in the affected cows were genetically distinct from previous Japanese BEFVs, but were close to BEFVs circulating in Taiwan and mainland China in recent years. Amino acid substitution in the neutralizing epitope domains of the G protein was limited between the detected viruses and the vaccine strain (YHL isolate), and high titers of the neutralizing antibody against the YHL isolate were induced in the infected cattle during the disease occurrences. Therefore, current BEF vaccines probably elicit protective immunity against the BEFVs detected in 2015, although their effectiveness should be assessed. Since the BEFV vaccination rates are estimated to be low, a BEF outbreak should be considered a possibility in mainland Japan.

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“…The S RNA segment encodes the nucleocapsid (N) protein and a smaller nonstructural (NSs) protein in overlapping reading frames. The AKAV is transmitted principally by Culicoides biting midges [14, 26, 30], and it is widely distributed from the tropical to temperate zones of the world, except for the Americas [21]. The AKAV causes Akabane disease when susceptible pregnant cattle, sheep and goats are infected [21].…”

mentioning

confidence: 99%

Molecular characterization of an Akabane virus isolate from West Java, Indonesia

Edi¹,

Ibrahim²,

Sukoco³

et al. 2017

The Journal of Veterinary Medical Science

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We isolated an arbovirus from bovine blood in Indonesia. The arbovirus was obtained from the plasma of a cow showing no clinical symptoms in West Java in February 2014, and was identified as Akabane virus (AKAV) by AKAV-specific RT-PCR and subsequent sequence analysis. Phylogenetic analysis based on partial S segment indicated the AKAV isolate, WJ-1SA/P/2014, was most closely related with two isolates from Israel and Turkey reported in 2001 and 2015, respectively, and that WJ-1SA/P/2014 isolate belongs to AKAV genogroup Ib. This is the first isolation of AKAV from Indonesia.

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Isolation of Bovine Arboviruses fromCulicoidesBiting Midges (Diptera: Ceratopogonidae) in Southern Japan: 1985–2002

Cited by 81 publications

References 21 publications

Molecular Identification, Phylogenetic Status, and Geographic Distribution of Culicoides oxystoma (Diptera: Ceratopogonidae) in Israel

Molecular Identification, Phylogenetic Status, and Geographic Distribution of Culicoides oxystoma (Diptera: Ceratopogonidae) in Israel

Resurgence of bovine ephemeral fever in mainland Japan in 2015 after a 23-year absence

Molecular characterization of an Akabane virus isolate from West Java, Indonesia

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