Analysis of Trypanosoma sequences from Haemaphysalis flava (Acari: Ixodidae) and Tabanus rufidens (Diptera: Tabanidae) collected in Ishikawa, Japan

Daisuke Kobayashi, Astri Nur Faizah, Michael Amoa-Bosompem, Mamoru Watanabe, Y. Maekawa, Toshihiko Hayashi, Y. Higa, K. Sawabe, H. Isawa
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引用次数: 2

Abstract

Trypanosoma are known to be a diverse group of parasites that infect animals belonging to all classes in the subphylum Vertebrata and are important pathogens that a ect human and animal health. Although many trypanosomatids have been found in mammals and birds in Japan, information regarding their invertebrate host is currently lacking. During our virome analyses of ticks and horse ies, several trypanosoma-like sequences were found. Further sequence characterization and PCR-based screening revealed trypanosomatids termed Trypanosoma sp. 17ISK-T2 and 17ISK-T22 in the nymphs of Haemaphysalis ava, and T. theileri-like sequences in Tabanus ru dens. ese results indicate that virome analysis by next-generation sequencing (NGS) can also be used as a tool for protozoan detection from arthropods. Further investigations will assist in understanding the diversity and transmission dynamics of these parasites in Japan.
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日本石川地区黄血蜱(蜱螨亚纲:伊蚊科)和疣虻(双翅目:虻科)锥虫序列分析
锥虫是一种多样的寄生虫,可感染脊椎动物亚门所有纲的动物,是影响人类和动物健康的重要病原体。虽然在日本的哺乳动物和鸟类中发现了许多锥虫,但目前缺乏有关其无脊椎宿主的信息。在我们对蜱虫和马的病毒组分析中,发现了几个类似锥虫的序列。进一步的序列鉴定和基于pcr的筛选发现,ava血蜱若虫中存在被称为Trypanosoma sp. 17ISK-T2和17ISK-T22的锥虫,Tabanus ru dens中存在被称为T. theileri-like的序列。这些结果表明,下一代测序(NGS)的病毒组分析也可以作为节肢动物原生动物检测的工具。进一步的调查将有助于了解这些寄生虫在日本的多样性和传播动态。
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