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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 99, No. 2, 2004, pp. 223-226
Bioline Code: oc04040
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 99, No. 2, 2004, pp. 223-226

 en SHORT COMMUNICATION - Ivermectin Resistant and Susceptible Third-stage Larvae of Haemonchus contortus check for this species in other resources : Cholinesterase and Phosphatase Activities
Consuelo Giménez-Pardo; Maria Mercedes Martínez-Grueiro; Alicia Gómez-Barrio & Filomena Rodríguez-Caabeiro

Abstract

Cholinesterase and acid phosphatase (AP), but not alkaline phosphatase activities, were detected in cytosolic and membrane-bound fractions of ivermectin resistant and susceptible Haemonchus contortus check for this species in other resources infective-stage larvae. Some differences in acetylcholinesterase activity of cytosolic fractions and in the AP activity of these fractions as well as in the response to AP inhibitors by membrane-bound fractions were detected. Data are discussed.

Keywords
Haemonchus contortus - cholinesterase - phosphatase - ivermectin - resistant

 
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