scholarly journals Protective immunity against tick infestation in cattle vaccinated with recombinant trypsin inhibitor of Rhipicephalus microplus

Vaccine ◽  
2012 ◽  
Vol 30 (47) ◽  
pp. 6678-6685 ◽  
Author(s):  
Renato Andreotti ◽  
Rodrigo Casquero Cunha ◽  
Mariana Aparecida Soares ◽  
Felix D. Guerrero ◽  
Fábio P. Leivas Leite ◽  
...  
Keyword(s):  
Trypsin Inhibitor ◽  
Protective Immunity ◽  
Tick Infestation ◽  
Rhipicephalus Microplus

scholarly journals Efficient Transovarial Transmission of Babesia Spp. in Rhipicephalus microplus Ticks Fed on Water Buffalo (Bubalus bubalis)

Pathogens ◽  
2020 ◽  
Vol 9 (4) ◽  
pp. 280
Author(s):  
Dasiel Obregón ◽  
Belkis Corona-González ◽  
Adrian Alberto Díaz-Sánchez ◽  
Yasmani Armas ◽  
Eugenio Roque ◽  
...  
Keyword(s):  
Adult Female ◽  
Tick Infestation ◽  
Water Buffalo ◽  
Larval Survival ◽  
Rhipicephalus Microplus ◽  
Babesia Bovis ◽  
Transovarial Transmission ◽  
Buffalo Calves ◽  
Adult Females ◽  
Babesia Spp

Water buffaloes can be infected by tick-borne pathogens (TBPs) in endemic areas where cattle and buffalo coexist. Among TBPs affecting buffaloes is the Apicomplexan hemoparasites Babesia bovis and B. bigemina, transmitted by Rhipicephalus microplus ticks. However, little empirical evidence exists on whether buffalo can support TBPs’ infection and transmission. A cohort study was designed to measure the infestation levels of R. microplus in buffaloes as well as the ability of buffalo-fed ticks to transmit B. bovis and B. bigemina to their offspring. Tick infestation of different life stages was quantified in cattle and buffalo kept in field conditions in western Cuba. Engorged adult female ticks were allowed to lay eggs in controlled conditions of humidity and temperature, and reproductive parameters were measured and analyzed. Hosts and tick larvae were tested for the presence of Babesia spp. using species-specific qPCR assays. Tick infestation was not observed in adult buffaloes. However, buffalo and cattle calves were equally infested, although the larval survival rate was higher in cattle calves than in buffalo calves. All larval pools (31) obtained from the adult female ticks were positive for B. bovis, whereas only 68% (21/31) was positive for B. bigemina. Among the 10 larval pools negative for B. bigemina, three proceeded from adult females fed on Babesia-negative buffaloes. The other seven pools were from Babesia-positive animals, three from cattle and four from buffalo calves. Babesia infection levels in tick larvae, quantified by qPCR, were similar in female ticks fed on buffalo and bovine calves. We conclude that water buffalo can sustain tick vector populations and support Babesia infection in levels high enough as to be infective for ticks. Our results also validated the hypothesis that adult female ticks fed on buffalo can transmit the pathogens B. bovis and B. bigemina to their offspring. Nevertheless, further laboratory studies are needed to address the question of whether the transovarial transmission of Babesia occurs in the following settings: (1) When adult females are infected previous to the feeding on the buffalo or/and (2) when the adult females acquire the infection while feeding on the buffalo.

Longistatin is an unconventional serine protease and induces protective immunity against tick infestation

2012 ◽  
Vol 182 (1-2) ◽  
pp. 45-53 ◽  
Author(s):  
Anisuzzaman ◽  
M. Khyrul Islam ◽  
M. Abdul Alim ◽  
Takeharu Miyoshi ◽  
Takeshi Hatta ◽  
...  
Keyword(s):  
Serine Protease ◽  
Protective Immunity ◽  
Tick Infestation

Does Rhipicephalus microplus tick infestation increase the risk for myiasis caused by Cochliomyia hominivorax in cattle?

2014 ◽  
Vol 113 (1) ◽  
pp. 59-62 ◽  
Author(s):  
José Reck ◽  
Fernanda S. Marks ◽  
Rogério O. Rodrigues ◽  
Ugo A. Souza ◽  
Anelise Webster ◽  
...  
Keyword(s):  
Tick Infestation ◽  
Rhipicephalus Microplus ◽  
Cochliomyia Hominivorax

scholarly journals Sensitivity of Different Cattle Breeds to the Infestation of Cattle Ticks Amblyomma variegatum, Rhipicephalus microplus, and Hyalomma spp. on the Natural Pastures of Opkara Farm, Benin

2018 ◽  
Vol 2018 ◽  
pp. 1-9 ◽  
Author(s):  
Roland Eric Yessinou ◽  
Camus Adoligbe ◽  
Yao Akpo ◽  
Justin Adinci ◽  
Issaka Youssao Abdou Karim ◽  
...  
Keyword(s):  
Tick Species ◽  
Tick Infestation ◽  
Tick Control ◽  
Rhipicephalus Microplus ◽  
Amblyomma Variegatum ◽  
Cattle Farm ◽  
Cattle Breeds ◽  
Cattle Ticks ◽  
Significant Difference ◽  
The Mean

A study was carried out on the Opkara (Benin) cattle farm on 64 cattle of four different breeds (16 individuals per breed) from June to December 2016. During this study, three tick species were found in different numbers, Amblyomma variegatum (732), Rhipicephalus microplus (8079), and Hyalomma spp. (208), with parasitic intensity of 11.90, 126.23, and 3.25, respectively. The interracial comparison of the tick infestation between the cattle showed a significant difference (P<0.001). However, Girolando was more infested than all the cattle breeds. Infestation of A. variegatum, R. microplus, and Hyalomma spp. on the Girolando was, respectively, 19.43 ± 2.71, 171.25 ± 23.50, and 7.12 ± 0.63, but the Borgou were less infested. Borgou breed females were more infested by A. variegatum (4.41 ± 1.14) than females Girolando (4.20 ± 0.90). The Crossbred and Azawak females were less infested (P<0.01). The mean of A. variegatum on Borgou, Azawak, Crossbred, and Girolando calves was 1.29 ± 0.35, 0.66 ± 0.26, 1.37 ± 0.37, and 2.25 ± 0.48 (P<0.01), respectively. The results of this study can be exploited to include genetic and nongenetic approaches to tick control.

scholarly journals Crucial Role for Basophils in Acquired Protective Immunity to Tick Infestation

2018 ◽  
Vol 9 ◽  
Author(s):  
Hajime Karasuyama ◽  
Yuya Tabakawa ◽  
Takuya Ohta ◽  
Takeshi Wada ◽  
Soichiro Yoshikawa
Keyword(s):  
Crucial Role ◽  
Protective Immunity ◽  
Tick Infestation

scholarly journals A cross-sectional survey of hard ticks and molecular characterization of Rhipicephalus microplus parasitizing domestic animals of Khyber Pakhtunkhwa, Pakistan

PLoS ONE ◽  
2021 ◽  
Vol 16 (8) ◽  
pp. e0255138
Author(s):  
Muhammad Rooman ◽  
Yasir Assad ◽  
Sadia Tabassum ◽  
Samia Sultan ◽  
Sultan Ayaz ◽  
...  
Keyword(s):  
Tick Infestation ◽  
Rhipicephalus Microplus ◽  
Phylogenetic Study ◽  
Cross Sectional Survey ◽  
Cross Sectional ◽  
Khyber Pakhtunkhwa ◽  
Clade B ◽  
Molecular Aspects ◽  
India And China

Background In tropical and subtropical countries, tick infestation causes major public health problems and considerable financial losses to the livestock industry. This study was aimed to assess the species composition of richness and analyze the phylogeny of Rhipicephalus microplus in the District Bannu of Khyber Pakhtunkhwa, Pakistan. Methods Collected ticks were identified morphologically and DNA extracted from R. microplus was amplified and subjected to sequencing. Results A total of 3,600 animals were examined among them 1,494 animals were found to be infested with ticks, including 669 cows, 476 buffaloes, 163 goats, and 186 sheep (p = 0.001). Tick infestation was significantly high (43.58%) in animals of age group (<1 year) (p-value = 0.027). Female animals were more (44.05%) infested with ticks than males (34.43%) (p = 0.001). The intensity of infestation was significantly higher in summer (77.49%) (p = 0.001). A total of 5,557 ticks were collected comprising three genera and six species. R. microplus was predominantly prevalent (n = 1,474; 26.52%), followed by Rhipicephalus annulatus (n = 1,215; 21.86%), Hyalomma anatolicum (n = 1,139; 20.49%), Hyalomma marginatum (n = 1,086; 19.54%), and Rhipicephalus turanicus (n = 761; 13.69%), while the least common was Haemaphysalis aciculifer (n = 80; 1.43%) (p = 0.001). Morphologically identified R. microplus species were also analyzed genetically by using two genetic markers 16S ribosomal RNA (16S rRNA) and internal transcribed spacer 2 (ITS2) genes. The phylogenetic study revealed that R. microplus is genetically diversified and clustered in clade B with R. microplus species from China, India, and Pakistan. Conclusion Ticks infestation was significantly correlated with various factors including age, sex, season, and animal type. R. microplus genetically resembled species reported from India and China. However, major knowledge gaps concerning various species of ticks exist and many areas are still unexplored in Pakistan. Therefore, it is necessary to explore the epidemiological and molecular aspects of various tick species in other regions of southern Khyber Pakhtunkhwa.

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