Author: C. Dreumont

0000000000715107

AUTHOR

C. Dreumont

showing 1 related works from this author

Polyamine metabolism during seedling development in rice

1994

The main free amines identified during growth and development of rice seedlings were agmatine, putrescine, spermidine, diaminopropane and tyramine. Amine composition differed according to tissue and stages of development. Conjugated amines were only found in roots. We present evidence that arginine decarboxylase (ADC) regulates putrescine during the development of rice seedlings. When ADC action was blocked by DFMA (α-DL-difluoromethylarginine, a specific irreversible inhibitor of ADC), polyamine titers and seedling development were diminished; when agmatine or putrescine was added, normal polyamine titers and growth were restored. The effects of DFMA were concentration dependent. DFMO (α-D…

0106 biological sciences[SDE] Environmental SciencesPhysiology[SDV]Life Sciences [q-bio]Plant ScienceBiology01 natural sciencesOrnithine decarboxylase03 medical and health scienceschemistry.chemical_compoundComputingMilieux_MISCELLANEOUS030304 developmental biology0303 health sciencesTyramineSpermidine[SDV] Life Sciences [q-bio]chemistryBiochemistry[SDE]Environmental SciencesPutrescineDFMAAgmatinePolyamineArginine decarboxylaseAgronomy and Crop ScienceRIZ010606 plant biology & botany

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