Rapid vacuolar sequestration: the horseweed glyphosate resistance mechanism [Erratum: 2010 May, v. 66, no. 5, p. 576]

BACKGROUND: Glyphosate-resistant (GR) weed species are now found with increasing frequency and threaten the critically important glyphosate weed management system.RESULTS: The reported ³¹P NMR experiments on glyphosate-sensitive (S) and glyphosate-resistant (R) horseweed, Conyza canadensis (L.) Cron...

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Veröffentlicht in:	Pest management science 2010-04, Vol.66 (4), p.345-348
Hauptverfasser:	Ge, Xia, d'Avignon, D. André, Ackerman, Joseph JH, Sammons, R. Douglas
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological and medical sciences broadleaf weeds Conyza - cytology Conyza - drug effects Conyza - metabolism Conyza canadensis defense mechanisms Fundamental and applied biological sciences. Psychology Glycine - analogs & derivatives Glycine - metabolism Glycine - pharmacology Glyphosate glyphosate-resistant Herbicide Resistance herbicide-resistant weeds Herbicides Herbicides - metabolism Herbicides - pharmacology in vivo 31P NMR invasive species Magnetic Resonance Spectroscopy nuclear magnetic resonance spectroscopy Parasitic plants. Weeds Phytopathology. Animal pests. Plant and forest protection Plant Leaves - cytology Plant Leaves - drug effects Plant Leaves - metabolism Plant Leaves - physiology Plant resistance Time Factors translocation (plant physiology) vacuoles Vacuoles - metabolism Weeds
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Zusammenfassung:	BACKGROUND: Glyphosate-resistant (GR) weed species are now found with increasing frequency and threaten the critically important glyphosate weed management system.RESULTS: The reported ³¹P NMR experiments on glyphosate-sensitive (S) and glyphosate-resistant (R) horseweed, Conyza canadensis (L.) Cronq., show significantly more accumulation of glyphosate within the R biotype vacuole.CONCLUSIONS: Selective sequestration of glyphosate into the vacuole confers the observed horseweed resistance to glyphosate. This observation represents the first clear evidence for the glyphosate resistance mechanism in C. canadensis.
ISSN:	1526-498X 1526-4998
DOI:	10.1002/ps.1911