Cysteine proteases are activated in sensitive Amaranthus palmeri populations upon treatment with herbicides inhibiting amino acid biosynthesis
Maria Barco‐Antoñanzas,
Maria Font‐Farre,
Mikel V. Eceiza
et al.
Abstract:The herbicides glyphosate and pyrithiobac inhibit the enzyme 5‐enolpyruvylshikimate‐3‐phosphate synthase (EPSPS) in the aromatic amino acid biosynthetic pathway and acetolactate synthase (ALS) in the branched‐chain amino acid biosynthetic pathway, respectively. Here we characterise the protease activity profiles of a sensitive (S), a glyphosate‐resistant (GR) and a multiple‐resistant (MR) population of Amaranthus palmeri in response to glyphosate and pyrithiobac. Amino acid accumulation and cysteine protease a… Show more
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