Cytochrome P450‐mediated herbicide metabolism in plants: current understanding and prospects

Niña Gracel Dimaano; Satoshi Iwakami

doi:10.1002/ps.6040

journal article Aug 31, 2020

Cytochrome P450‐mediated herbicide metabolism in plants: current understanding and prospects

Niña Gracel Dimaano Satoshi Iwakami

Pest Management Science Vol. 77 No. 1 pp. 22-32 · Wiley

View at Publisher Save 10.1002/ps.6040

Abstract

AbstractCytochrome P450s (P450s) have been at the center of herbicide metabolism research as a result of their ability to endow selectivity in crops and resistance in weeds. In the last 20 years, ≈30 P450s from diverse plant species have been revealed to possess herbicide‐metabolizing function, some of which were demonstrated to play a key role in plant herbicide sensitivity. Recent research even demonstrated that some P450s from crops and weeds metabolize numerous herbicides from various chemical backbones, which highlights the importance of P450s in the current agricultural systems. However, due to the enormous number of plant P450s and the complexity of their function, expression and regulation, it remains a challenge to fully explore the potential of P450‐mediated herbicide metabolism in crop improvement and herbicide resistance mitigation. Differences in the substrate specificity of each herbicide‐metabolizing P450 are now evident. Comparisons of the substrate specificity and protein structures of P450s will be beneficial for the discovery of selective herbicides and may lead to the development of crops with higher herbicide tolerance by transgenics or genome‐editing technologies. Furthermore, the knowledge will help design sound management strategies for weed resistance including the prediction of cross‐resistance patterns. Overcoming the ambiguity of P450 function in plant xenobiotic pathways will unlock the full potential of this enzyme family in advancing global agriculture and food security. © 2020 Society of Chemical Industry

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Details

Published: Aug 31, 2020
Vol/Issue: 77(1)
Pages: 22-32
License: View

Authors

N

Niña Gracel Dimaano

College of Agriculture and Food Science University of the Philippines Los Baños Los Baños Philippines

S

Satoshi Iwakami

Graduate School of Agriculture Kyoto University Kyoto Japan

Cite This Article

Niña Gracel Dimaano, Satoshi Iwakami (2020). Cytochrome P450‐mediated herbicide metabolism in plants: current understanding and prospects. Pest Management Science, 77(1), 22-32. https://doi.org/10.1002/ps.6040

Cytochrome P450‐mediated herbicide metabolism in plants: current understanding and prospects

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