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Mutations in voltage-gated sodium channels from pyrethroid resistant salmon lice (Lepeophtheirus salmonis).

Pest management science - 1 Feb 2019

Carmona-Antoñanzas Greta, Helgesen Kari O, Humble Joseph L, Tschesche Claudia, Bakke Marit J, Gamble Louise, Bekaert Michaël, Bassett David I, Horsberg Tor E, Bron James E, Sturm Armin

Abstract excerpt

BACKGROUND: Parasitic salmon lice (Lepeophtheirus salmonis) cause high economic losses in Atlantic salmon farming. Pyrethroids, which block arthropod voltage-gated sodium channels (Nav 1), are used for salmon delousing. However, pyrethroid resistance is common in L. salmonis. The present study characterized Nav 1 homologues in L. salmonis in order to identify channel mutations associated to resistance, called kdr...

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PMID: 30062864
DOI: 10.1002/ps.5151

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