Host specificity of passerine Lankesterella (Apicomplexa: Coccidia)

IF 1.9 2区生物学 Q4 MICROBIOLOGY

European journal of protistology Pub Date : 2023-08-01 DOI:10.1016/j.ejop.2023.126007

Ashwin Kumar Saravana Bhavan Venkatachalam , Ivan Čepička , Kristýna Hrazdilová , Milena Svobodová

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Abstract

Lankesterella parasites are blood coccidians that have recently gained attention as their records in common passerine species emerge. To date, their occurrence has been molecularly confirmed in several passerine genera, mainly among members of the families Paridae and Acrocephalidae. Despite their relatively high prevalence in some host populations, their life cycles remain unclear, mosquitoes or mites being the proposed vectors. The aim of this study was to reveal Lankesterella host specificity, focusing mainly on parasites of tit and warbler species (families Paridae and Acrocephalidae). We have determined the 18S rRNA gene sequences of Lankesterella from 35 individuals belonging to eight different host species. Phylogenetic analysis revealed that passerine Lankesterella are host-specific, with specificity at the host genus or species level. Besides Lankesterella, Isospora sequences were obtained from avian blood as well, pointing out the need for barcoding.

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球球虫(顶复合体:球虫)寄主特异性的研究

Lankesterella寄生虫是一种血球虫，近年来在普通雀鸟物种中出现的记录引起了人们的关注。迄今为止，它们的发生已在几个雀形目属中得到分子证实，主要是在重肢科和肢头科的成员中。尽管它们在一些宿主种群中发病率相对较高，但它们的生命周期尚不清楚，蚊子或螨虫被认为是媒介。本研究的目的是揭示Lankesterella寄主特异性，主要研究了山雀和莺种(重翅科和肩头科)的寄生虫。我们测定了8种不同寄主种35个Lankesterella个体的18S rRNA基因序列。系统发育分析表明，该菌具有宿主特异性，在宿主属或种水平上具有特异性。除了Lankesterella外，还从禽类血液中获得了等孢子菌序列，指出了条形码技术的必要性。

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来源期刊

European journal of protistology 生物-微生物学

CiteScore

4.60

自引率

20.70%

发文量

审稿时长

14.6 weeks

期刊介绍： Articles deal with protists, unicellular organisms encountered free-living in various habitats or as parasites or used in basic research or applications. The European Journal of Protistology covers topics such as the structure and systematics of protists, their development, ecology, molecular biology and physiology. Beside publishing original articles the journal offers a forum for announcing scientific meetings. Reviews of recently published books are included as well. With its diversity of topics, the European Journal of Protistology is an essential source of information for every active protistologist and for biologists of various fields.