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Morphological and molecular identification of ixodid tick species (Acari: Ixodidae) infesting cattle in Uganda

Balinandi, Stephen and Chitimia-Dobler, Lidia and Grandi, Giulio and Nakayiki, Teddy and Kabasa, William and Bbira, Johnson and Lutwama, Julius J. and Bakkes, Deon K. and Malmberg, Maja and Mugisha, Lawrence (2020). Morphological and molecular identification of ixodid tick species (Acari: Ixodidae) infesting cattle in Uganda. Parasitology Research. 119 , 2411-2420
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Abstract

In Uganda, the role of ticks in zoonotic disease transmission is not well described, partly, due to limited available information on tick diversity. This study aimed to identify the tick species that infest cattle. Between September and November 2017, ticks (n = 4362) were collected from 5 districts across Uganda (Kasese, Hoima, Gulu, Soroti, and Moroto) and identified morphologically at Uganda Virus Research Institute. Morphological and genetic validation was performed in Germany on representative identified specimens and on all unidentified ticks. Ticks were belonging to 15 species: 8Rhipicephalusspecies (Rhipicephalus appendiculatus,Rhipicephalus evertsi evertsi,Rhipicephalus microplus,Rhipicephalus decoloratus,Rhipicephalus afranicus,Rhipicephalus pulchellus,Rhipicephalus simus, andRhipicephalus sanguineustropical lineage); 5Amblyommaspecies (Amblyomma lepidum,Amblyomma variegatum,Amblyomma cohaerens,Amblyomma gemma, andAmblyomma paulopunctatum); and 2Hyalommaspecies (Hyalomma rufipesandHyalomma truncatum). The most common species wereR. appendiculatus(51.8%),A. lepidum(21.0%),A. variegatum(14.3%),R. evertsi evertsi(8.2%), andR. decoloratus(2.4%). R. afranicusis a new species recently described in South Africa and we report its presence in Uganda for the first time. The sequences ofR. afranicuswere 2.4% divergent from those obtained in Southern Africa. We confirm the presence of the invasiveR. microplusin two districts (Soroti and Gulu). Species diversity was highest in Moroto district (p = 0.004) and geographical predominance by specific ticks was observed (p = 0.001). The study expands the knowledge on tick fauna in Uganda and demonstrates that multiple tick species with potential to transmit several tick-borne diseases including zoonotic pathogens are infesting cattle.

Authors/Creators:Balinandi, Stephen and Chitimia-Dobler, Lidia and Grandi, Giulio and Nakayiki, Teddy and Kabasa, William and Bbira, Johnson and Lutwama, Julius J. and Bakkes, Deon K. and Malmberg, Maja and Mugisha, Lawrence
Title:Morphological and molecular identification of ixodid tick species (Acari: Ixodidae) infesting cattle in Uganda
Year of publishing :2020
Volume:119
Page range:2411-2420
Number of Pages:10
Publisher:Springer
ISSN:0932-0113
Language:English
Publication Type:Journal article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 402 Animal and Dairy Science > Animal and Dairy Science.
Keywords:Uganda, Cattle, Ixodid ticks, Morphology, 16S sequencing, Species distribution
URN:NBN:urn:nbn:se:slu:epsilon-p-106777
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-106777
Additional ID:
Type of IDID
DOI10.1007/s00436-020-06742-z
Web of Science (WoS)000539951000001
ID Code:17406
Faculty:VH - Faculty of Veterinary Medicine and Animal Science
Department:(VH) > Department of Biomedical Science and Veterinary Public Health
(VH) > Dept. of Animal Breeding and Genetics
Deposited By: SLUpub Connector
Deposited On:07 Sep 2020 09:34
Metadata Last Modified:07 Sep 2020 09:34

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