Ultrastructural changes in the haemonchus contortus cuticle exposed to acacia mearnsii extract Report as inadecuate




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Alessandro Pelegrine Minho ; Victor Bittencourt Dutra Tabacow ; Sérgio Tosi Cardim ; Milton Hissashi Yamamura ;Semina: Ciências Agrárias 2015, 36 6

Author: Eidi Yoshihara

Source: http://www.redalyc.org/articulo.oa?id=445744152023


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Semina: Ciências Agrárias ISSN: 1676-546X semina.agrarias@uel.br Universidade Estadual de Londrina Brasil Yoshihara, Eidi; Pelegrine Minho, Alessandro; Bittencourt Dutra Tabacow, Victor; Tosi Cardim, Sérgio; Hissashi Yamamura, Milton Ultrastructural changes in the Haemonchus contortus cuticle exposed to Acacia mearnsii extract Semina: Ciências Agrárias, vol.
36, núm.
6, noviembre-diciembre, 2015, pp.
3763-3768 Universidade Estadual de Londrina Londrina, Brasil Available in: http:--www.redalyc.org-articulo.oa?id=445744152023 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative DOI: 10.5433-1679-0359.2015v36n6p3763 Ultrastructural changes in the Haemonchus contortus cuticle exposed to Acacia mearnsii extract Alterações ultraestruturais da cutícula de Haemonchus contortus expostos ao extrato de Acacia mearnsii Eidi Yoshihara1*; Alessandro Pelegrine Minho2; Victor Bittencourt Dutra Tabacow3; Sérgio Tosi Cardim3; Milton Hissashi Yamamura4 Abstract The parasite Haemonchus contortus is one of the most pathogenic for small ruminants in tropical and subtropical regions worldwide, including Brazil.
The objective of this study was to evaluate the structural changes induced in adult H.
contortus after in vitro contact with Acacia mearnsii extract (AE), using scanning electron microscopy.
Adult nematodes were collected from a naturally infected lamb.
In the in vitro assay the parasites were placed in contact with AE (100 mg ml-1), for two hours at 37oC.
The nematodes used in the assays (exposed to AE and the negative controls) were analyzed using an electron scanning microscope (quadruplicate per treatment).
In all replicates, similar morphological alterations were observed on the entire extension of the cuticle of the specimens that r...





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