Determination of Toxoplasma gondii in organs of naturally infected cattle in Costa Rica — Comment

1995 ◽  
Vol 60 (1-2) ◽  
pp. 173-174
Author(s):  
J.P. Dubey
Keyword(s):  
Costa Rica ◽  
Toxoplasma Gondii ◽  
Infected Cattle

Determination of the Viability of Toxoplasma gondii in Cured Ham Using Bioassay: Influence of Technological Processing and Food Safety Implications

2010 ◽  
Vol 73 (12) ◽  
pp. 2239-2243 ◽  
Author(s):  
SUSANA BAYARRI ◽  
MARÍA J. GRACIA ◽  
REGINA LÁZARO ◽  
CONSUELO PÉREZ-ARQUILLUÉ ◽  
MONTSERRAT BARBERÁN ◽  
...  
Keyword(s):  
Toxoplasma Gondii ◽  
Horizontal Transmission ◽  
Meat Product ◽  
Immunofluorescence Assay ◽  
Nitrite Concentration ◽  
Bioassay Technique ◽  
Technological Processing ◽  
Undercooked Meat ◽  
Porcine Tissues

Toxoplasmosis is a zoonotic disease caused by the protozoan Toxoplasma gondii and distributed worldwide. Ingestion of viable cysts from infected raw or undercooked meat is an important route of horizontal transmission of the parasite to humans. Little information is available concerning the effect of commercial curing on cysts of T. gondii. This study is the first in which the influence of processing of cured ham on the viability of T. gondii has been evaluated, using bioassay to assess the risk of infection from eating this meat product. Naturally infected pigs were selected for the study, and a mouse concentration bioassay technique was used to demonstrate viable bradyzoites of T. gondii in porcine tissues and hams. No viable parasites were found in the final product (14 months of curing) based on results of the indirect immunofluorescence assay and histological and PCR analyses. Our results indicate that the consumption of hams cured as described here poses an insignificant risk of acquiring toxoplasmosis. However, additional studies are required to evaluate the safety of ham products cured under different conditions of curing time, salt, and nitrite concentration.

scholarly journals Cervical Cat Scratch Disease Lymphadenitis in a Patient with Immunoglobulin M Antibodies to Toxoplasma gondii

2002 ◽  
Vol 9 (2) ◽  
pp. 496-498
Author(s):  
Mardjan Arvand ◽  
Ilkay Kazak ◽  
Sergije Jovanovic ◽  
Hans-Dieter Foss ◽  
Oliver Liesenfeld
Keyword(s):  
Toxoplasma Gondii ◽  
Clinical Symptoms ◽  
Bartonella Henselae ◽  
Cervical Lymphadenopathy ◽  
Immunoglobulin M ◽  
Cat Scratch Disease ◽  
Specific Immunoglobulin ◽  
Acute Toxoplasmosis

ABSTRACT We report on a young patient with chronic cervical lymphadenopathy and serological and histological evidence for infection with Bartonella henselae and Toxoplasma gondii. Serological follow-up studies, including testing for avidity of Toxoplasma-specific immunoglobulin G antibodies, assisted in the determination of the cause of the acute lymphadenitis. Our results suggest that the clinical symptoms were most likely due to cat scratch disease rather than to acute toxoplasmosis.

Biologic and genetic characteristics of Toxoplasma gondii isolates in free-range chickens from Costa Rica, Central America

2006 ◽  
Vol 139 (1-3) ◽  
pp. 29-36 ◽  
Author(s):  
J.P. Dubey ◽  
C. Su ◽  
J. Oliveira ◽  
J.A. Morales ◽  
R.V. Bolaños ◽  
...  
Keyword(s):  
Costa Rica ◽  
Toxoplasma Gondii ◽  
Central America ◽  
Genetic Characteristics ◽  
Free Range ◽  
Toxoplasma Gondii Isolates

scholarly journals Seroprevalence and factors associated with Toxoplasma gondii-, Neospora caninum- and Coxiella burnetii-infections in dairy goat flocks from Costa Rica

2018 ◽  
Vol 14 ◽  
pp. 79-84
Author(s):  
Rodolfo Villagra-Blanco ◽  
Andrea Esquivel-Suárez ◽  
Henrik Wagner ◽  
Juan José Romero-Zúñiga ◽  
Anja Taubert ◽  
...  
Keyword(s):  
Costa Rica ◽  
Toxoplasma Gondii ◽  
Coxiella Burnetii ◽  
Neospora Caninum ◽  
Dairy Goat ◽  
Factors Associated

scholarly journals Determination of Chemical Inhibitor Efficiency against Intracellular Toxoplasma Gondii Growth Using a Luciferase-Based Growth Assay

10.3791/60985 ◽  
2020 ◽  
Author(s):  
Melanie Key ◽  
Amy Bergmann ◽  
Chiara Micchelli ◽  
L. Brock Thornton ◽  
Sophie Millard ◽  
...  
Keyword(s):  
Toxoplasma Gondii ◽  
Inhibitor Efficiency ◽  
Growth Assay

Detection and Determination of Toxoplasma gondii Seroprevalence in Native Korean Goats (Capra hircus coreanae)

2014 ◽  
Vol 14 (5) ◽  
pp. 374-377 ◽  
Author(s):  
Byeong Yeal Jung ◽  
Eyerusalem Bizuneh Gebeyehu ◽  
Seung-Hun Lee ◽  
Min-Goo Seo ◽  
Jae-Won Byun ◽  
...  
Keyword(s):  
Toxoplasma Gondii ◽  
Capra Hircus

Isolation and Genetic Characterization of Toxoplasma gondii From Striped Dolphin (Stenella coeruleoalba) From Costa Rica

2007 ◽  
Vol 93 (3) ◽  
pp. 710-711 ◽  
Author(s):  
J. P. Dubey ◽  
J. A. Morales ◽  
N. Sundar ◽  
G. V. Velmurugan ◽  
C. R. González-Barrientos ◽  
...  
Keyword(s):  
Costa Rica ◽  
Toxoplasma Gondii ◽  
Genetic Characterization ◽  
Stenella Coeruleoalba ◽  
Striped Dolphin
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