Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Ryota Tsunekuni"'
Autor:
Yoshihiro Takadate, Junki Mine, Ryota Tsunekuni, Saki Sakuma, Asuka Kumagai, Hayate Nishiura, Kohtaro Miyazawa, Yuko Uchida
Publikováno v:
Virus Research, Vol 347, Iss , Pp 199425- (2024)
High pathogenicity avian influenza viruses (HPAIVs) of the H5N1 and H5N2 subtypes were responsible for 84 HPAI outbreaks on poultry premises in Japan during October 2022–April 2023. The number of outbreaks during the winter of 2022–2023 is the la
Externí odkaz:
https://doaj.org/article/b66d8b613a5a4215809ca3e5d4e2f0da
Autor:
Tatyana Murashkina, Kirill Sharshov, Alimurad Gadzhiev, Guy Petherbridge, Anastasiya Derko, Ivan Sobolev, Nikita Dubovitskiy, Arina Loginova, Olga Kurskaya, Nikita Kasianov, Marsel Kabilov, Junki Mine, Yuko Uchida, Ryota Tsunekuni, Takehiko Saito, Alexander Alekseev, Alexander Shestopalov
Publikováno v:
Viruses, Vol 16, Iss 4, p 598 (2024)
The flyways of many different wild waterfowl pass through the Caspian Sea region. The western coast of the middle Caspian Sea is an area with many wetlands, where wintering grounds with large concentrations of birds are located. It is known that wild
Externí odkaz:
https://doaj.org/article/fa510ba603104d89ba5862749fc01241
Autor:
Junki Mine, Yoshihiro Takadate, Asuka Kumagai, Saki Sakuma, Ryota Tsunekuni, Kohtaro Miyazawa, Yuko Uchida
Publikováno v:
Viruses, Vol 16, Iss 3, p 358 (2024)
In winter 2021–2022, H5N1 and H5N8 high-pathogenicity avian influenza (HPAI) viruses (HPAIVs) caused serious outbreaks in Japan: 25 outbreaks of HPAI at poultry farms and 107 cases in wild birds or in the environment. Phylogenetic analyses divided
Externí odkaz:
https://doaj.org/article/6e6d070e8f08433eb73204f40f4e9d8e
Autor:
Kosuke Okuya, Junki Mine, Kaori Tokorozaki, Isshu Kojima, Mana Esaki, Kohtaro Miyazawa, Ryota Tsunekuni, Saki Sakuma, Asuka Kumagai, Yoshihiro Takadate, Yuto Kikutani, Tsutomu Matsui, Yuko Uchida, Makoto Ozawa
Publikováno v:
Emerging Infectious Diseases, Vol 28, Iss 7, Pp 1451-1455 (2022)
Genetic analyses of highly pathogenic avian influenza H5 subtype viruses isolated from the Izumi Plain, Japan, revealed cocirculation of 2 genetic groups of clade 2.3.4.4b viruses among migratory waterfowl. Our findings demonstrate that both continuo
Externí odkaz:
https://doaj.org/article/7453aab35b61410ca3eee4e90d9bbfa2
Autor:
Saki Sakuma, Taichiro Tanikawa, Ryota Tsunekuni, Junki Mine, Asuka Kumagai, Kohtaro Miyazawa, Yoshihiro Takadate, Yuko Uchida
Publikováno v:
Viruses, Vol 15, Iss 12, p 2293 (2023)
During the winter of 2020–2021, numerous outbreaks of high pathogenicity avian influenza (HPAI) were caused by viruses of the subtype H5N8 in poultry over a wide region in Japan. The virus can be divided into five genotypes—E1, E2, E3, E5, and E7
Externí odkaz:
https://doaj.org/article/d002da19bfc74a24904021491ab367f4
Autor:
Ivan Sobolev, Kirill Sharshov, Nikita Dubovitskiy, Olga Kurskaya, Alexander Alekseev, Sergey Leonov, Yuriy Yushkov, Victor Irza, Andrey Komissarov, Artem Fadeev, Daria Danilenko, Junki Mine, Ryota Tsunekuni, Yuko Uchida, Takehiko Saito, Alexander Shestopalov
Publikováno v:
Emerging Infectious Diseases, Vol 27, Iss 8, Pp 2224-2227 (2021)
Two variants of highly pathogenic avian influenza A(H5N8) virus were detected in dead poultry in Western Siberia, Russia, during August and September 2020. One variant was represented by viruses of clade 2.3.4.4b and the other by a novel reassortant
Externí odkaz:
https://doaj.org/article/be2851d6131d423996818123944730d4
Autor:
Nikita Dubovitskiy, Anastasiya Derko, Ivan Sobolev, Elena Prokopyeva, Tatyana Murashkina, Maria Solomatina, Olga Kurskaya, Andrey Komissarov, Artem Fadeev, Daria Danilenko, Polina Petrova, Junki Mine, Ryota Tsunekuni, Yuko Uchida, Takehiko Saito, Alexander Shestopalov, Kirill Sharshov
Publikováno v:
Viruses, Vol 15, Iss 3, p 734 (2023)
Wild aquatic birds are generally identified as a natural reservoir of avian influenza viruses (AIVs), where a high diversity of subtypes has been detected. Some AIV subtypes are considered to have relatively low prevalence in wild bird populations. S
Externí odkaz:
https://doaj.org/article/b44f6d21517a4faa9b504164a7ea2b9b
Autor:
Yoshihiro Takadate, Ryota Tsunekuni, Asuka Kumagai, Junki Mine, Yuto Kikutani, Saki Sakuma, Kohtaro Miyazawa, Yuko Uchida
Publikováno v:
Viruses, Vol 15, Iss 2, p 265 (2023)
H5N8 and H5N1 high pathogenicity avian influenza viruses (HPAIVs) caused outbreaks in poultry farms in Japan from November 2021 to May 2022. Hemagglutinin genes of these viruses belong to clade 2.3.4.4B and can be divided phylogenetically into the fo
Externí odkaz:
https://doaj.org/article/f80f5420b4f94530ac23f1b2f1bffe4a
Publikováno v:
BMC Veterinary Research, Vol 14, Iss 1, Pp 1-10 (2018)
Abstract Background Experimental infection of pigs via direct intranasal or intratracheal inoculation has been mainly used to study the infectious process of influenza A viruses of swine (IAVs-S). Nebulization is known to be an alternative method for
Externí odkaz:
https://doaj.org/article/0c57ee133450433dbdb72b44e0f34648
First Outbreak of an H5N8 Highly Pathogenic Avian Influenza Virus on a Chicken Farm in Japan in 2020
Autor:
Saki Sakuma, Yuko Uchida, Momoyo Kajita, Taichiro Tanikawa, Junki Mine, Ryota Tsunekuni, Takehiko Saito
Publikováno v:
Viruses, Vol 13, Iss 3, p 489 (2021)
On 5 November 2020, a confirmed outbreak due to an H5N8 highly pathogenic avian influenza virus (HPAIV) occurred at an egg-hen farm in Kagawa prefecture (western Japan). This virus, A/chicken/Kagawa/11C/2020 (Kagawa11C2020), was the first HPAI poultr
Externí odkaz:
https://doaj.org/article/003c57bb54ff48308e9226e7004a750e