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BACKGROUND Toxoplasmosis is one of the most common parasitic infections of humans and other mammals. This study was aimed to understand the mechanism of action of veterinary medicine-sulfachloropyrazine (SPZ, 99.97%) against Toxoplasma gondii. METHODS T. gondii tachyzoites were soaked in PBS (as a control) or SPZ (250 mg/mL) for 2 h at 37 °C. After being(More)
The calcium-dependent protein kinases (CDPKs) are unique enzymes found only in plants, green algae, ciliates and apicomplexan parasites. In this study, a novel CDPK gene of Eimeria tenella, designed EtCDPK3, was cloned using rapid amplification of cDNA ends (RACE) based on the expressed sequence tag (EST). The entire cDNA of EtCDPK3 contained 1637(More)
A surveillance of diarrhoeal diseases in children aged under five years was carried out from March 1986 to February 1987 in a rural area of Hebei Province, China. Using a cluster sampling method, 270 study children were selected from 30 villages to represent a population of 105,405. Parents noted episodes of diarrhoea in children on a calender using a given(More)
A lambda ZAP express cDNA library was constructed using mRNA from Eimeria tenella sporulated oocysts. Total RNA was isolated by the TRIzol from Eimeria tenella sporulated oocysts, mRNA was further purified through oligo(dT)-cellulose columns. The first-strand cDNA was synthesized by using MMLV reverse transcriptase with oligo(dT)18 primers containing Xho I(More)
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