Effect of the herbicide prometryne [2,4-bis(isopropylamino)-6-(methlthio)-s-triazine] on mitochondria (original) (raw)

Effect of the Herbicide Prometryne [2,4-bis (isopropylamino)-6-(methylthio) +triazine] on Mitochondria Olivia C. T h o m p s o n , Bryan Truelove, a n d D o n a l d E. Davis The effects of the herbicide prometryne (2,4-bis(isopropylamino)-6-(methylthio)-s-triazine) on rat liver and corn shoot (Zea mcrj-sj mitochondria were investigated. Prometryne. at 2.7-6.7 X 10-4M, inhibited state 4 respiration to a certain extent but state 3 respiration was inhibited to a much greater degree. The P-to-0 ratio of corn mitochondria was greatly reduced. The inhibition by prometryne