6533b7d0fe1ef96bd125a389

RESEARCH PRODUCT

Effects of peroxidizing herbicides on protoporphyrin IX levels in non-chlorophyllous soybean cell culture

Michel MatringeRené ScallaD. Clair

subject

0106 biological sciences0303 health sciencesProtoporphyrin IXChemistryHealth Toxicology and Mutagenesis[SDV]Life Sciences [q-bio]General MedicineMetabolismPyrazole01 natural sciencesPorphyrin[SDV] Life Sciences [q-bio]03 medical and health scienceschemistry.chemical_compoundTissue cultureBiochemistryProtoporphyrinGrowth inhibitionMode of actionAgronomy and Crop Science030304 developmental biology010606 plant biology & botany

description

Abstract The mode of action of 16 peroxidizing herbicides belonging to four different families (diphenyl ethers, oxadiazon, pyridine derivatives, and pyrazole derivatives) has been studied in nonchlorophyllous soybean cell cultures. Whenever possible, we have compared active and inactive compounds. Phytotoxic effects were estimated on the basis of growth inhibition, either in the dark or in the light. Protoporphyrin IX accumulations were estimated in dark-treated samples, using a simple methodology. In all cases, we have found a positive correlation between cellular damages and protoporphyrin IX accumulations. The results provide further evidences in favor of the light-dependent activity of peroxidizing herbicides being due to their capacity to induce protoporphyrin IX accumulation.

https://hal.inrae.fr/hal-02709666