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Functional Characterization Of Mitochondrial And Cytosolic Aldehyde Dehydrogenases In Maize (Zea Mays L) , Feng Liu
Retrospective Theses and Dissertations
Aldehyde dehydrogenases (ALDHs) are a group of enzymes that catalyze oxidation of aldehydes in the presence of coenzyme NAD+ or NADP+. Few plant ALDHs have been studied at protein level, although many ALDH genes have been cloned. To date no functional characterization of plant ALDHs has been reported. This dissertation is focused on functional characterization of four ALDHs from maize, RF2A, RF2B, RF2C and RF2D. RF2A and RF2B are targeted to mitochondria, while RF2C and RF2D are located in cytosol. RF2A is required for normal pollen development: the anthers in lower florets from spikelets of homozygous mutant rf2a plants in ...