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Babesia ovis as the main causative agent of sheep babesiosis in Iran. 2012

Shahrokh Ranjbar-Bahadori, and Brigitte Eckert, and Zahra Omidian, and Nastran Sadr Shirazi, and Parviz Shayan
Islamic Azad University Unit Garmsar, Gramsar, Iran.

Babesiosis is a haemoparasitic disease with high economical losses in livestock industry worldwide. The early diagnosis and successful therapy of babesiosis belong to the key steps of control and health management of livestock. Ethanol-fixed blood samples of 400 sheep were analyzed for Babesia infection. Reverse line blot (RLB) was established specifically for Theileria lestoquardi, Theileria (China 1), Theileria (China 2), Theileria ovis, Theileria separata, Babesia ovis, Babesia motasi, Babesia crassa, and Babesia (Lintan). The DNA was extracted from the ethanol-fixed blood samples and amplified with a common primer pair derived from 18S rRNA gene, amplifying both Theileria spp. as well as Babesia spp. Regarding the differences in the length of nucleotide sequences of the polymerase chain reaction (PCR) products obtained from Theileria spp. and Babesia spp., the PCR products derived from Babesia spp. were out screened and analyzed by RLB. The RLB analysis showed that 28 samples within the 400 blood samples were B. ovis positive. No B. motasi, B. crassa, or Babesia (Lintan) could be detected. The sequence analysis of one PCR product as a representative for other B. ovis-positive PCR products confirmed the results of RLB. Our results and the results of other investigators showed that B. ovis could be considered as a main causative agent of sheep babesiosis in Iran. Furthermore, our results also showed that RLB can be used as a reliable method for a simultaneous differentiation of Theileria and Babesia species from each other.

UI MeSH Term Description Entries
D007492 Iran A country bordering the Gulf of Oman, the Persian Gulf, and the Caspian Sea, between Iraq and Pakistan. The capital is Tehran. Islamic Republic of Iran
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001403 Babesia A genus of tick-borne protozoan parasites that infests the red blood cells of mammals, including humans. There are many recognized species, and the distribution is world-wide. Piroplasma,Babesias,Piroplasmas
D001404 Babesiosis A group of tick-borne diseases of mammals including ZOONOSES in humans. They are caused by protozoa of the genus BABESIA, which parasitize erythrocytes, producing hemolysis. In the U.S., the organism's natural host is mice and transmission is by the deer tick IXODES SCAPULARIS. Babesiasis,Piroplasmosis,Babesia Infection,Babesia Parasite Infection,Human Babesiosis,Babesia Infections,Babesia Parasite Infections,Babesiases,Babesioses,Babesioses, Human,Babesiosis, Human,Human Babesioses,Infection, Babesia,Infection, Babesia Parasite,Infections, Babesia,Infections, Babesia Parasite,Piroplasmoses
D012337 RNA, Ribosomal, 18S Constituent of the 40S subunit of eukaryotic ribosomes. 18S rRNA is involved in the initiation of polypeptide synthesis in eukaryotes. 18S Ribosomal RNA,18S RRNA,RNA, 18S Ribosomal,Ribosomal RNA, 18S
D012756 Sheep Any of the ruminant mammals with curved horns in the genus Ovis, family Bovidae. They possess lachrymal grooves and interdigital glands, which are absent in GOATS. Ovis,Sheep, Dall,Dall Sheep,Ovis dalli
D012757 Sheep Diseases Diseases of domestic and mountain sheep of the genus Ovis. Ovine Diseases,Disease, Ovine,Disease, Sheep,Diseases, Ovine,Diseases, Sheep,Ovine Disease,Sheep Disease
D013801 Theileriasis Infection of cattle, sheep, or goats with protozoa of the genus THEILERIA. This infection results in an acute or chronic febrile condition. Corridor Disease,East Coast Fever,Theileriosis,Coast Fever, East,Disease, Corridor,Fever, East Coast,Theileriases,Theilerioses
D016054 DNA, Protozoan Deoxyribonucleic acid that makes up the genetic material of protozoa. Protozoan DNA
D016133 Polymerase Chain Reaction In vitro method for producing large amounts of specific DNA or RNA fragments of defined length and sequence from small amounts of short oligonucleotide flanking sequences (primers). The essential steps include thermal denaturation of the double-stranded target molecules, annealing of the primers to their complementary sequences, and extension of the annealed primers by enzymatic synthesis with DNA polymerase. The reaction is efficient, specific, and extremely sensitive. Uses for the reaction include disease diagnosis, detection of difficult-to-isolate pathogens, mutation analysis, genetic testing, DNA sequencing, and analyzing evolutionary relationships. Anchored PCR,Inverse PCR,Nested PCR,PCR,Anchored Polymerase Chain Reaction,Inverse Polymerase Chain Reaction,Nested Polymerase Chain Reaction,PCR, Anchored,PCR, Inverse,PCR, Nested,Polymerase Chain Reactions,Reaction, Polymerase Chain,Reactions, Polymerase Chain

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