This is still an area of research, but most methods of resistance seem to revolve around a reduced binding site affinity. For [[benzimidazoles]] it seems that there is less affinity to the tubulin binding site. [[Macrocyclic Lactones]] seem to have increased expression of a non-specific transmembrane efflux pump that can eject toxins out of thenematode.
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This is still an area of research, but most methods of resistance seem to revolve around a reduced binding site affinity. For [[benzimidazoles]] it seems that there is less affinity to the tubulin binding site. [[Macrocyclic Lactones]] seem to have increased expression of a non-specific transmembrane efflux pump that can eject toxins out of the nematode.
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==Investigating Resistance==
==Investigating Resistance==
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'''Molecular Techniques'''
'''Molecular Techniques'''
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RFLP assay and a specific PCR-reaction have been made to test for [[benzimidazole]] resistance.
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RFLP assay and a specific PCR-reaction have been made to test for [[benzimidazoles|benzimidazole]] resistance.
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==Development of Resistance==
==Development of Resistance==
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For more information on sustainable co
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For more information on managing parasites in sheep please look at the Sustainable Control of Parasites in Sheep (SCOPS) website; http://www.nationalsheep.org.uk/index.php?option=com_content&task=view&id=287&Itemid=68