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Two hidden taxa in the Japanese encephalitis vector mosquito, Culex tritaeniorhynchus, and the potential for long-distance migration from overseas to Japan
The Culex vishnui subgroups, particularly Culex tritaeniorhynchus, are considered the primary vectors of the Japanese encephalitis virus (JEV) in Asia. Recent molecular phylogenetic analyses of JEV isolates from Asian countries have shown that JEVs with diverse genetic variants are present in Asia....
Autores principales: | , , , , , , , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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Public Library of Science
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9278767/ https://www.ncbi.nlm.nih.gov/pubmed/35771889 http://dx.doi.org/10.1371/journal.pntd.0010543 |
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author | Arai, Satoru Kuwata, Ryusei Higa, Yukiko Maekawa, Yoshihide Tsuda, Yoshio Roychoudhury, Sudipta Bertuso, Arlene Garcia Phong, Tran Vu Yen, Nguyen Thi Etoh, Tomoki Otuka, Akira Matsumura, Masaya Nabeshima, Takeshi Taya, Keiko Tanaka Okabe, Nobuhiko Kobayashi, Mutsuo Sawabe, Kyoko |
author_facet | Arai, Satoru Kuwata, Ryusei Higa, Yukiko Maekawa, Yoshihide Tsuda, Yoshio Roychoudhury, Sudipta Bertuso, Arlene Garcia Phong, Tran Vu Yen, Nguyen Thi Etoh, Tomoki Otuka, Akira Matsumura, Masaya Nabeshima, Takeshi Taya, Keiko Tanaka Okabe, Nobuhiko Kobayashi, Mutsuo Sawabe, Kyoko |
author_sort | Arai, Satoru |
collection | PubMed |
description | The Culex vishnui subgroups, particularly Culex tritaeniorhynchus, are considered the primary vectors of the Japanese encephalitis virus (JEV) in Asia. Recent molecular phylogenetic analyses of JEV isolates from Asian countries have shown that JEVs with diverse genetic variants are present in Asia. Furthermore, some JEV strains have been found to have crossed the East China Sea and been introduced into Japan. In this study, the possibility of overseas migration of the JE vector mosquito, Cx. tritaeniorhynchus was examined from the genetic, physical, and meteorological perspectives. Molecular phylogenetic analysis was performed based on both whole coding sequences and on the barcoding region of the mitochondrial cytochrome c oxidase subunit I (COI) gene of Cx. vishnui subgroups collected from Asian countries. Culex tritaeniorhymchus was classified into two genetically independent taxa by COI sequences: the Japanese type (Ct-J), which inhabits Japan except for the Amami Islands of southern Japan, and the continental type (Ct-C), which inhabits the Asian region except for Japan. It was confirmed that approximately 10% of Cx. tritaeniorhynchus trapped during the summer in western Kyushu were Ct-C, and that they could fly for up to 38 h continuously. The meteorological analysis also confirmed that the atmospheric flow occurring over the continent coincided with the date of Ct-C capture. This is the first report showing the existence of two taxa in Cx. tritaeniorhynchus. Their physical and physiological characteristics suggest the possibility of long-distance migration from overseas regions to Japan across the East China Sea. Future efforts are expected to provide evidence to support the occurrence of long-distance migration of Cx. tritaeniorhynchus with JEV. |
format | Online Article Text |
id | pubmed-9278767 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | Public Library of Science |
record_format | MEDLINE/PubMed |
spelling | pubmed-92787672022-07-14 Two hidden taxa in the Japanese encephalitis vector mosquito, Culex tritaeniorhynchus, and the potential for long-distance migration from overseas to Japan Arai, Satoru Kuwata, Ryusei Higa, Yukiko Maekawa, Yoshihide Tsuda, Yoshio Roychoudhury, Sudipta Bertuso, Arlene Garcia Phong, Tran Vu Yen, Nguyen Thi Etoh, Tomoki Otuka, Akira Matsumura, Masaya Nabeshima, Takeshi Taya, Keiko Tanaka Okabe, Nobuhiko Kobayashi, Mutsuo Sawabe, Kyoko PLoS Negl Trop Dis Research Article The Culex vishnui subgroups, particularly Culex tritaeniorhynchus, are considered the primary vectors of the Japanese encephalitis virus (JEV) in Asia. Recent molecular phylogenetic analyses of JEV isolates from Asian countries have shown that JEVs with diverse genetic variants are present in Asia. Furthermore, some JEV strains have been found to have crossed the East China Sea and been introduced into Japan. In this study, the possibility of overseas migration of the JE vector mosquito, Cx. tritaeniorhynchus was examined from the genetic, physical, and meteorological perspectives. Molecular phylogenetic analysis was performed based on both whole coding sequences and on the barcoding region of the mitochondrial cytochrome c oxidase subunit I (COI) gene of Cx. vishnui subgroups collected from Asian countries. Culex tritaeniorhymchus was classified into two genetically independent taxa by COI sequences: the Japanese type (Ct-J), which inhabits Japan except for the Amami Islands of southern Japan, and the continental type (Ct-C), which inhabits the Asian region except for Japan. It was confirmed that approximately 10% of Cx. tritaeniorhynchus trapped during the summer in western Kyushu were Ct-C, and that they could fly for up to 38 h continuously. The meteorological analysis also confirmed that the atmospheric flow occurring over the continent coincided with the date of Ct-C capture. This is the first report showing the existence of two taxa in Cx. tritaeniorhynchus. Their physical and physiological characteristics suggest the possibility of long-distance migration from overseas regions to Japan across the East China Sea. Future efforts are expected to provide evidence to support the occurrence of long-distance migration of Cx. tritaeniorhynchus with JEV. Public Library of Science 2022-06-30 /pmc/articles/PMC9278767/ /pubmed/35771889 http://dx.doi.org/10.1371/journal.pntd.0010543 Text en © 2022 Arai et al https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. |
spellingShingle | Research Article Arai, Satoru Kuwata, Ryusei Higa, Yukiko Maekawa, Yoshihide Tsuda, Yoshio Roychoudhury, Sudipta Bertuso, Arlene Garcia Phong, Tran Vu Yen, Nguyen Thi Etoh, Tomoki Otuka, Akira Matsumura, Masaya Nabeshima, Takeshi Taya, Keiko Tanaka Okabe, Nobuhiko Kobayashi, Mutsuo Sawabe, Kyoko Two hidden taxa in the Japanese encephalitis vector mosquito, Culex tritaeniorhynchus, and the potential for long-distance migration from overseas to Japan |
title | Two hidden taxa in the Japanese encephalitis vector mosquito, Culex tritaeniorhynchus, and the potential for long-distance migration from overseas to Japan |
title_full | Two hidden taxa in the Japanese encephalitis vector mosquito, Culex tritaeniorhynchus, and the potential for long-distance migration from overseas to Japan |
title_fullStr | Two hidden taxa in the Japanese encephalitis vector mosquito, Culex tritaeniorhynchus, and the potential for long-distance migration from overseas to Japan |
title_full_unstemmed | Two hidden taxa in the Japanese encephalitis vector mosquito, Culex tritaeniorhynchus, and the potential for long-distance migration from overseas to Japan |
title_short | Two hidden taxa in the Japanese encephalitis vector mosquito, Culex tritaeniorhynchus, and the potential for long-distance migration from overseas to Japan |
title_sort | two hidden taxa in the japanese encephalitis vector mosquito, culex tritaeniorhynchus, and the potential for long-distance migration from overseas to japan |
topic | Research Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9278767/ https://www.ncbi.nlm.nih.gov/pubmed/35771889 http://dx.doi.org/10.1371/journal.pntd.0010543 |
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