Genetic diversity and molecular characterization of Babesia motasi -like in small ruminants and ixodid ticks from China

Niu, Qingli; Liu, Zhijie; Yang, Jifei; Yu, Peifa; Pan, Yuping; Zhai, Bintao; Luo, Jianxun; Yin, Hong

doi:10.1016/j.meegid.2016.03.007

Cited by 31 publications

(23 citation statements)

References 37 publications

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“…Correspondingly, we confirmed that two of the H. longicornis were infected with B. motasi and the one was infected with B. microti . Recent reports indicate that H. longicornis is the potential carrier for B. microti to the vertebrate host and is assumed to serve as a tick vector of B. motasi -like isolates [10]. The present results suggest that H. longicornis ticks may serve as the predominant vector of B. motasi and B. microti in Gangwon-do, Korea.…”

Section: Discussionsupporting

confidence: 54%

“…Geographically, Ixodes scapularis in the USA, I. Ricinus in Europe, and I. persulcatus in Asia transmit Babesia parasites to natural hosts [7–9]. B. ovis , B. motasi , and B. crassa are primarily transmitted via Haemaphysalis qinghaiensis and H. longicornis [10]. In addition, B. bovis and B. bigemina are also transmitted primarily via Rhipicephalus microplus and R. annulatus .…”

Section: Introductionmentioning

confidence: 99%

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Detection and characterization of an emerging type of Babesia sp. similar to Babesia motasi for the first case of human babesiosis and ticks in Korea

Hong

Kim

Song

et al. 2019

Emerging Microbes & Infections

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Babesiosis is a tick-transmitted intraerythrocytic zoonosis. In Korea, the first mortalities were reported in 2005 due to Babesia sp. detection in sheep; herein we report epidemiological and genetic characteristics of a second case of babesiosis. Microscopic analysis of patient blood revealed polymorphic merozoites. To detect Babesia spp., PCR was performed using Babesia specific primers for β-tubulin, 18S rDNA, COB, and COX3 gene fragments. 18S rDNA analysis for Babesia sp., showed 98% homology with ovine Babesia sp. and with Babesia infections in Korea in 2005. Moreover, phylogenetic analysis of 18S rDNA, COB, and COX3 revealed close associations with B. motasi . For identifying the infectious agent, Haemaphysalis longicornis (296) and Haemaphysalis flava (301) were collected around the previous residence of the babesiosis patient. Babesia genes were identified in three H. longicornis : one sample was identified as B. microti and two samples were 98% homologous to B. motasi . Our study is the first direct confirmation of the infectious agent for human babesiosis. This case most likely resulted from tick bites from ticks near the patient house of the babesiosis patient. H. longicornis has been implicated as a vector of B. microti and other Babesia sp. infections.

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Section: Discussionsupporting

confidence: 54%

Section: Introductionmentioning

confidence: 99%

Detection and characterization of an emerging type of Babesia sp. similar to Babesia motasi for the first case of human babesiosis and ticks in Korea

Hong

Kim

Song

et al. 2019

Emerging Microbes & Infections

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show abstract

“…( 2018 ) B. motasi -like Babesiosis D China Niu et al. ( 2016 ) Method indicates isolation of the tick-borne pathogen (P) or detection of its DNA/RNA (D) a Tick-borne lymphadenopathy/ Dermacentor -borne necrosis erythema and lymphadenopathy …”

Section: Resultsmentioning

confidence: 99%

Vectors of disease at the northern distribution limit of the genus Dermacentor in Eurasia: D. reticulatus and D. silvarum

et al. 2020

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The two ixodid tick species Dermacentor reticulatus (Fabricius) and Dermacentor silvarum Olenev occur at the northern distribution limit of the genus Dermacentor in Eurasia, within the belt of 34−60 • N latitude. Whilst the distribution area of D. reticulatus extends from the Atlantic coast of Portugal to Western Siberia, that of D. silvarum extends from Western Siberia to the Pacific coast. In Western Siberia, the distribution areas of the two Dermacentor species overlap. Although the two tick species are important vectors of disease, detailed information concerning the entire distribution area, climate adaptation, and proven vector competence is still missing. A dataset was compiled, resulting in 2188 georeferenced D. reticulatus and 522 D. silvarum locations. Up-to-date maps depicting the geographical distribution and climate adaptation of the two Dermacentor species are presented. To investigate the climate adaptation of the two tick species, the georeferenced locations were superimposed on a high-resolution map of the Köppen-Geiger climate classification. The frequency distribution of D. reticulatus under different climates shows two major peaks related to the following climates: warm temperate with precipitation all year round (57%) and boreal with precipitation all year round (40%). The frequency distribution of D. silvarum shows also two major peaks related to boreal climates with precipitation all year round (30%) and boreal winter dry climates (60%). Dermacentor silvarum seems to be rather flexible concerning summer temperatures, which can range from cool to hot. In climates with cool summers D. reticulatus does not occur, it prefers warm and to a lesser extent hot summers. Lists are given in this paper for cases of proven vector competence for various agents of both Dermacentor species. For the first time, the entire distribution areas of D. reticulatus and D. silvarum were mapped using georeferenced data. Their climate adaptations were quantified by Köppen profiles.

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“…In addition to this information, I. persulcatus has recently drawn some attention as a vector for tick-borne encephalitis virus (J€ a€ askel€ ainen et al 2011), Babesia (Sun et al 2008;Niu et al 2016), and spotted fever group rickettsiae (Jia et al 2013;Sun et al 2015).…”

Section: Mitogenome Announcementmentioning

confidence: 99%

Complete mitochondrial genome and phylogenetic analysis of Ixodes persulcatus (taiga tick)

Sui

Yang

Fang

et al. 2016

Mitochondrial DNA Part B

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Genetic diversity and molecular characterization of Babesia motasi -like in small ruminants and ixodid ticks from China

Cited by 31 publications

References 37 publications

Detection and characterization of an emerging type of Babesia sp. similar to Babesia motasi for the first case of human babesiosis and ticks in Korea

Detection and characterization of an emerging type of Babesia sp. similar to Babesia motasi for the first case of human babesiosis and ticks in Korea

Vectors of disease at the northern distribution limit of the genus Dermacentor in Eurasia: D. reticulatus and D. silvarum

Complete mitochondrial genome and phylogenetic analysis of Ixodes persulcatus (taiga tick)

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