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In vitro efficacy of herbicides on Sarcocystis cruzi bradyzoites

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Please use this identifier to cite or link to this item:http://doi.org/10.14943/jjvr.69.1.31

Title: In vitro efficacy of herbicides on Sarcocystis cruzi bradyzoites
Authors: Doi, Rie Browse this author
Oba, Mami Browse this author →KAKEN DB
Mizutani, Tetsuya Browse this author →KAKEN DB
Keywords: Apicomplexa
inhibitors
in vitro assay
Sarcocystis
phytohormonal herbicides
Issue Date: Feb-2021
Publisher: Faculty of Veterinary Medicine, Hokkaido University
Journal Title: Japanese Journal of Veterinary Research
Volume: 69
Issue: 1
Start Page: 31
End Page: 42
Abstract: Sarcocystis causes various veterinary and human infections. A few agents are available for treating Sarcocystis infections, but their mechanisms of action are not known. Phytohormonal herbicides are antiparasitic agents that reduce the viability of organisms belonging to the phylum, Apicomplexa. Some of these herbicides prevent Apicomplexan parasites from infecting cells and organisms, yet the effects of such drugs on Sarcocystis are unclear. We evaluated the activity of phytohormonal herbicides against Sarcocystis bradyzoites using mortality and morphological changes with methylene blue staining as an indicator. Antiparasitic activity of 17 agrochemicals that act on plant plastids—classified into the following six herbicide groups: acetyl-CoA carboxylase (ACC) inhibitors, acetolactate synthase (ALS) inhibitors, photosynthesis inhibitors, protoporphyrinogen oxidase (protox) inhibitors, carotenoid biosynthesis pathway inhibitors, very-long-chain fatty acid (VLCFA) biosynthesis inhibitors, and auxinlike herbicides—were examined. The in vitro system enables the screening of drugs against Sarcocystis species, for which a well-established culturing method is not yet available. Nine herbicides, including ALS inhibitors, ACC inhibitors, and auxin-like herbicides, caused mortality of Sarcocystis cruzi bradyzoites by more than 90%. Further, all ACC inhibitors caused the formation of vacuolar structures in bradyzoites, and two ALS inhibitors caused bradyzoites rounding.
Type: bulletin (article)
URI: http://hdl.handle.net/2115/80618
Appears in Collections:Japanese Journal of Veterinary Research > Volume 69 Number 1

Submitter: 獣医学部図書室

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