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Theileria orientalis

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https://www.readbyqxmd.com/read/29703152/analysis-of-theileria-orientalis-draft-genome-sequences-reveals-potential-species-level-divergence-of-the-ikeda-chitose-and-buffeli-genotypes
#1
Daniel R Bogema, Melinda L Micallef, Michael Liu, Matthew P Padula, Steven P Djordjevic, Aaron E Darling, Cheryl Jenkins
BACKGROUND: Theileria orientalis (Apicomplexa: Piroplasmida) has caused clinical disease in cattle of Eastern Asia for many years and its recent rapid spread throughout Australian and New Zealand herds has caused substantial economic losses to production through cattle deaths, late term abortion and morbidity. Disease outbreaks have been linked to the detection of a pathogenic genotype of T. orientalis, genotype Ikeda, which is also responsible for disease outbreaks in Asia. Here, we sequenced and compared the draft genomes of one pathogenic (Ikeda) and two apathogenic (Chitose, Buffeli) isolates of T...
April 27, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29699459/re-clinical-haematology-and-biochemistry-profiles-of-cattle-naturally-infected-with-theileria-orientalis-ikeda-type-in-new-zealand
#2
(no author information available yet)
No abstract text is available yet for this article.
April 26, 2018: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/29673170/cysteine-proteinase-c1a-paralog-profiles-correspond-with-phylogenetic-lineages-of-pathogenic-piroplasmids
#3
Mariano E Ascencio, Monica Florin-Christensen, Choukri B Mamoun, William Weir, Brian Shiels, Leonhard Schnittger
Piroplasmid parasites comprising of Babesia , Theileria , and Cytauxzoon are transmitted by ticks to farm and pet animals and have a significant impact on livestock industries and animal health in tropical and subtropical regions worldwide. In addition, diverse Babesia spp. infect humans as opportunistic hosts. Molecular phylogeny has demonstrated at least six piroplasmid lineages exemplified by B. microti , B. duncani , C. felis , T. equi , Theileria sensu stricto ( T. annulata , T. parva , and T. orientalis ) and Babesia sensu stricto ( B...
April 17, 2018: Veterinary Sciences
https://www.readbyqxmd.com/read/29625920/simultaneous-detection-of-theileria-annulata-and-theileria-orientalis-infections-using-recombinase-polymerase-amplification
#4
Muhammad Adeel Hassan, Junlong Liu, Muhammad Sohail Sajid, Muhammad Rashid, Altaf Mahmood, Qamar Abbas, Guiquan Guan, Hong Yin, Jianxun Luo
Theileriosis is a disease of domesticated animals in tropical and subtropical countries and causes significant reductions in livestock productivity. The arid region of Punjab in Pakistan is notorious for the presence of the vector tick (Acari: Ixodidae) and tick-borne diseases, such as theileriosis and babesiosis. The distribution of Theileria annulata and T. orientalis in the Chakwal district of Punjab was determined by developing a multiplex recombinase polymerase amplification (RPA) assay as a scientific basis for formulating control strategies for bovine theileriosis...
March 28, 2018: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/29580261/a-novel-babesia-orientalis-135-kilodalton-spherical-body-protein-like-identification-of-its-secretion-into-cytoplasm-of-infected-erythrocytes
#5
Jiaying Guo, Jinfang Hu, Yali Sun, Long Yu, Junwei He, Pei He, Zheng Nie, Muxiao Li, Xueyan Zhan, Yangnan Zhao, Xiaoying Luo, Junlong Liu, Lan He, Junlong Zhao
BACKGROUND: The spherical body is a distinct organelle only existing in Babesia and Theileria. Spherical body proteins (SBPs) are secreted from spherical bodies and incorporated into the cytoplasm of infected erythrocytes during invasion and post-invasion stages. Four different SBP homologues (SBP1, SBP2, SBP3 and SBP4) have been identified in Babesia bovis and Babesia bigemina. So far, there has been no report available about the identification of SBPs in Babesia orientalis. METHODS: The SBP3-like in B...
March 27, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29558984/endemic-exotic-and-novel-apicomplexan-parasites-detected-during-a-national-study-of-ticks-from-companion-animals-in-australia
#6
Telleasha L Greay, Alireza Zahedi, Anna-Sheree Krige, Jadyn M Owens, Robert L Rees, Una M Ryan, Charlotte L Oskam, Peter J Irwin
BACKGROUND: Apicomplexan tick-borne pathogens that cause disease in companion animals include species of Babesia Starcovici, 1893, Cytauxzoon Neitz & Thomas, 1948, Hepatozoon Miller, 1908 and Theileria Bettencourt, Franca & Borges, 1907. The only apicomplexan tick-borne disease of companion animals that is known to occur in Australia is babesiosis, caused by Babesia canis vogeli Reichenow, 1937 and Babesia gibsoni Patton, 1910. However, no molecular investigations have widely investigated members of Apicomplexa Levine, 1980 in Australian ticks that parasitise dogs, cats or horses, until this present investigation...
March 20, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29516380/molecular-identification-of-tick-borne-pathogens-in-ticks-collected-from-dogs-and-small-ruminants-from-greece
#7
Ιlias Chaligiannis, Isabel G Fernández de Mera, Anna Papa, Smaragda Sotiraki, José de la Fuente
Ticks are vectors for a variety of human and animal pathogens (bacteria, protozoa and viruses). In order to investigate the pathogens carried by ticks in Greece, a total of 179 adult ticks (114 female and 65 male) were collected from domestic animals (sheep, goats and dogs) from 14 prefectures of six regions of Greece. Among them, 40 were Dermacentor marginatus, 25 Haemaphysalis parva, 22 H. sulcata, one H. punctata, 13 Ixodes gibbosus, 77 Rhipicephalus sanguineus s.l. and one R. bursa. All ticks were tested for the presence of DNA of Anaplasma spp...
April 2018: Experimental & Applied Acarology
https://www.readbyqxmd.com/read/29391688/prevalence-of-carrier-state-theileriosis-in-lactating-cows
#8
Niranjana Sahoo, Bikash Kumar Behera, Hemant Kumar Khuntia, Manojita Dash
Aim: The objective of this study was to examine the carrier status of theileriosis among apparently healthy cross-bred jersey cattle population of Odisha using conventional blood smear examination and polymerase chain reaction (PCR). Materials and Methods: A total of 34 apparently healthy cross-bred Jersey lactating cows were considered in this study. Blood samples were subjected to microscopic examination after staining with Giemsa stain and PCR based molecular diagnosis using two sets of primer, i...
December 2017: Veterinary World
https://www.readbyqxmd.com/read/29237791/multiplexed-tandem-pcr-mt-pcr-assay-using-the-major-piroplasm-surface-protein-gene-for-the-diagnosis-of-theileria-orientalis-infection-in-cattle
#9
LETTER
Hagos Gebrekidan, Robin B Gasser, Mark A Stevenson, Abdul Jabbar
No abstract text is available yet for this article.
March 2018: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29155863/molecular-detection-of-tick-borne-pathogens-in-cattle-from-southwestern-ethiopia
#10
Zerihun Hailemariam, Jürgen Krücken, Maximilian Baumann, Jabbar S Ahmed, Peter-Henning Clausen, Ard M Nijhof
Tick-borne diseases (TBDs) cause significant losses among livestock and impact the livelihoods of resource-poor farming communities worldwide. In Ethiopia, detailed studies on the epidemiology of tick-borne pathogens (TBPs) in cattle using sensitive molecular detection methods are scarce. The objective of this study was to determine the prevalence and species composition of bovine TBPs of veterinary significance in local cattle populations. A comprehensive cross-sectional epidemiological study was conducted in cattle populations of Illubabor zone in Southwestern Ethiopia from June to August 2013...
2017: PloS One
https://www.readbyqxmd.com/read/29119682/molecular-identification-of-tick-borne-pathogens-infecting-cattle-in-mymensingh-district-of-bangladesh-reveals-emerging-species-of-anaplasma-and-babesia
#11
B C Roy, J Krücken, J S Ahmed, S Majumder, M P Baumann, P-H Clausen, A M Nijhof
Tick-borne diseases are considered a major hindrance to the health and productive performance of cattle in Bangladesh. To elucidate the epidemiology of tick-borne pathogens (TBPs) in local cattle, a cross-sectional study was performed in the 12 subdistricts (Upazilas) of Mymensingh district in Bangladesh. Blood samples and ticks were collected from 384 clinically healthy cattle kept by 135 farmers from 96 randomly selected villages. DNA extracted from the blood samples was subsequently screened by polymerase chain reaction (PCR) and a Reverse Line Blot (RLB) hybridization assay using an in-house prepared chemiluminescence solution for the presence of Anaplasma, Ehrlichia, Rickettsia, Babesia and Theileria spp...
April 2018: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/29103263/hematological-changes-associated-with-theileria-orientalis-infection-in-korean-indigenous-cattle
#12
Suhee Kim, Do-Hyeon Yu, Sung-Woo Kang, Jeong-Byoung Chae, Kyoung-Seong Choi, Hyeon-Cheol Kim, Bae-Keun Park, Joon-Seok Chae, Jinho Park
Tick-borne pathogens can cause serious problems in grazing cattle. However, little information is available on tick-mediated diseases in cattle grazing on mountains. Thus, this study aimed to understand the potential problems related to tick-borne diseases in grazing cattle through the investigation of prevalent tick-transmitted infections, and their associated hematological changes, in terms of season and grazing type in Korean indigenous cattle (=Hanwoo). Hanwoo cattle from 3 regions of the Republic of Korea (=Korea) were either maintained indoors or placed on grassy mountains from spring to fall of 2014 and 2015...
October 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/29078748/whole-genome-assembly-of-babesia-ovata-and-comparative-genomics-between-closely-related-pathogens
#13
Junya Yamagishi, Masahito Asada, Hassan Hakimi, Takeshi Q Tanaka, Chihiro Sugimoto, Shin-Ichiro Kawazu
BACKGROUND: Babesia ovata, belonging to the phylum Apicomplexa, is an infectious parasite of bovids. It is not associated with the manifestation of severe symptoms, in contrast to other types of bovine babesiosis caused by B. bovis and B. bigemina; however, upon co-infection with Theileria orientalis, it occasionally induces exacerbated symptoms. Asymptomatic chronic infection in bovines is usually observed only for B. ovata. Comparative genomic analysis could potentially reveal factors involved in these distinguishing characteristics; however, the genomic and molecular basis of these phenotypes remains elusive, especially in B...
October 27, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29020888/clinical-haematology-and-biochemistry-profiles-of-cattle-naturally-infected-with-theileria-orientalis-ikeda-type-in-new-zealand
#14
COMPARATIVE STUDY
K E Lawrence, S F Forsyth, B L Vaatstra, Amj McFadden, D J Pulford, K Govindaraju, W E Pomroy
AIMS: To present the haematology and biochemistry profiles for cattle in New Zealand naturally infected with Theileria orientalis Ikeda type and investigate if the results differed between adult dairy cattle and calves aged <6 months. METHODS: Haematology and biochemistry results were obtained from blood samples from cattle which tested positive for T. orientalis Ikeda type by PCR, that were submitted to veterinary laboratories in New Zealand between October 2012 and November 2014...
January 2018: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/28969833/monitoring-theileria-orientalis-ikeda-associated-bovine-anaemia-in-affected-cattle-over-time
#15
Amj McFadden, M Hart, I M Bueno, H J Ha, Acg Heath, D J Pulford
The aim of the study was to observe changes in haematocrit (HCT) over time in a New Zealand South Island dairy herd affected by an outbreak of Theileria-associated bovine anaemia (TABA; Ikeda). A secondary aim was to relate individual cow HCTs to the amount of Theileria orientalis Ikeda DNA present in the blood, as measured by cycle threshold values, using a quantitative PCR (qPCR). Over a 6 month period, blood samples from 19 randomly selected cattle were monitored from a herd of 600 dairy cows. The sampling interval was approximately fortnightly for the first six weeks, followed by sampling at between four and six week intervals...
October 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28870131/re-cluster-analysis-of-the-clinical-histories-of-cattle-affected-with-bovine-anaemia-associated-with-theileria-orientalis-ikeda-type-infection
#16
(no author information available yet)
No abstract text is available yet for this article.
September 4, 2017: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/28807298/using-a-rule-based-envelope-model-to-predict-the-expansion-of-habitat-suitability-within-new-zealand-for-the-tick-haemaphysalis-longicornis-with-future-projections-based-on-two-climate-change-scenarios
#17
K E Lawrence, S R Summers, A C G Heath, A M J McFadden, D J Pulford, A B Tait, W E Pomroy
Haemaphysalis longicornis is the only species of tick present in New Zealand which infests livestock and is also the only competent vector for Theileria orientalis. Since 2012, New Zealand has suffered from an epidemic of infectious bovine anaemia associated with T. orientalis, an obligate intracellular protozoan parasite of cattle and buffaloes. The aim of this study was to predict the spatial distribution of habitat suitability of New Zealand for the tick H. longicornis using a simple rule-based climate envelope model, to validate the model against published data and use the validated model to project an expansion in habitat suitability for H...
August 30, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28780889/cluster-analysis-of-the-clinical-histories-of-cattle-affected-with-bovine-anaemia-associated-with-theileria-orientalis-ikeda-type-infection
#18
K E Lawrence, S F Forsyth, B L Vaatstra, Amj McFadden, D J Pulford, K Govindaraju, W E Pomroy
AIM To determine the most commonly used words in the clinical histories of animals naturally infected with Theileria orientalis Ikeda type; whether these words differed between cases categorised by age, farm type or haematocrit (HCT), and if there was any clustering of the common words in relation to these categories. METHODS Clinical histories were transcribed for 605 cases of bovine anaemia associated with T. orientalis (TABA), that were submitted to laboratories with blood samples which tested positive for T...
November 2017: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/28750636/pathogenic-genotype-of-major-piroplasm-surface-protein-associated-with-anemia-in-theileria-orientalis-infection-in-cattle
#19
Suhee Kim, Do-Hyeon Yu, Jeong-Byoung Chae, Kyoung-Seong Choi, Hyeon-Cheol Kim, Bae-Keun Park, Joon-Seok Chae, Jinho Park
Serious disease outbreaks in cattle caused by Theileria orientalis have emerged in the Asia-Pacific region. Genetic variables of the major piroplasm surface protein (MPSP) expressed on the surface of the piroplasm inside T. orientalis-infected erythrocytes are considered to be associated with variation in the pathogenicity of T. orientalis. Our study describes the clinically relevant MPSP types associated with anemia in Theileria-infected cattle. These results revealed that MPSP expression plays an important role in hematological alterations in Theileria-infected cattle, and that MPSP type 1 is strongly associated with bovine anemia, which can be a potential target for the prevention of bovine theileriosis...
July 27, 2017: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/28673460/a-survey-of-canine-haemoprotozoan-parasites-from-turkey-including-molecular-evidence-of-an-unnamed-babesia
#20
Munir Aktas, Sezayi Ozubek
Canine tick-borne apicomplexan parasites have emerged in recent years, showing a wider geographic distribution and increased global prevalence. A reverse line blot assay was performed on 219 blood samples collected from domestic dogs for simultaneous detection of all named canine piroplasm species as well as Hepatozoon canis. Ten samples hybridized to the Theileria/Babesia and Babesia catch all probes but did not hybridize to any species-specific probe tested, suggesting the presence of an unrecognized Babesia species or genotype...
June 2017: Comparative Immunology, Microbiology and Infectious Diseases
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