Origins and structure of chloroplastic and mitochondrial plant protoporphyrinogen oxidases: implications for the evolution of herbicide resistance.
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DOI: 10.1002/ps.4744
Abstract: Protoporphyrinogen IX oxidase (PPO)-inhibiting herbicides are effective tools to control a broad spectrum of weeds, including those that have evolved resistance to glyphosate. Their utility is being threatened by the appearance of biotypes that are… read more here.
Keywords: herbicide resistance; evolution; plant; resistance ... See more keywords
Functional PPO2 mutations: co-occurrence in one plant or the same ppo2 allele of herbicide-resistant Amaranthus palmeri in the US Mid-south.
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DOI: 10.1002/ps.6111
Abstract: BACKGROUND PPO inhibitors are important for the management of glyphosate- and ALS-resistant Palmer amaranth [Amaranthus palmeri (S.) Wats.]. The evolving resistance to PPO inhibitors is of great concern. We surveyed the evolution of resistance to… read more here.
Keywords: functional ppo2; ppo2 mutations; amaranthus palmeri; ppo2 allele ... See more keywords
Two isoforms of Arabidopsis protoporphyrinogen oxidase localize in different plastidal membranes
Sign Up to like & getrecommendations! Published in 2023 at "Plant Physiology"
DOI: 10.1093/plphys/kiad107
Abstract: Abstract All land plants encode 2 isoforms of protoporphyrinogen oxidase (PPO). While PPO1 is predominantly expressed in green tissues and its loss is seedling-lethal in Arabidopsis (Arabidopsis thaliana), the effects of PPO2 deficiency have not… read more here.
Keywords: protoporphyrinogen oxidase; two isoforms; isoforms arabidopsis; ppo2 ... See more keywords