Molecular Mechanisms of Herbicide Resistance
Authors:
- Christophe DélyeCDChristophe Délye
- Arnaud DuhouxADArnaud Duhoux
- Fanny PerninFPFanny Pernin
- Chance W. RigginsChance W. Riggins
- Patrick J. TranelPTPatrick J. Tranel
- 1 February 2015
- journal article
- Published by Cambridge University Press (CUP) in Weed Science
- Vol. 63 (SP1) , 91-115
Abstract
Resistance to herbicides occurs in weeds as the result of evolutionary adaptation (Jasieniuk et al. 1996). Basically, two types of mechanisms are involved in resistance (Beckie and Tardif 2012; Délye 2013). Target-site resistance (TSR) is caused by changes in the tridimensional structure of the herbicide target protein that decrease herbicide binding, or by increased activity (e.g., due to increased expression or increased intrinsic activity) of the target protein. Nontarget-site resistance (NTSR) is endowed by any mechanism not belonging to TSR, e.g., reduction in herbicide uptake or translocation in the plant, or enhanced herbicide detoxification (reviewed in Délye 2013; Yuan et al. 2007).Keywords
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