53 白化作用を有する除草剤クロマゾンはMEP経路中の1-deoxy-D-xylulose-5-phospate synthaseが触媒する反応の阻害剤か?

概要

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The phenotype of Arabidopsis induced by clomazone treatment was very similar to that of cla1 mutant which is a nock-out mutant of 1-deoxy-D-xylulose-5-phospate synthase (DXS) in non-mevalonate pathway. On the basis of this observation, the potency of clomazone as the inhibitor of DXS was examined. The clomazone-induced phenotype was recovered by the addition of 1-deoxy-D-xylulose (DX). The same result was also obtained in clomazone-treated rice. These results suggest that clomazone should target the reaction catalyzed by DXS and show its herbicidal activity.
植物化学調節学会の論文
2002-10-31