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Plant Physiology 47:532-536 (1971) © 1971 American Society of Plant Biologists Adenosine Triphosphatase Activity Associated with Mung Bean Mitochondria 1a Departments of Crop Science and Botany and Crops Research Division, United States Department of Agriculture, North Carolina State University, Raleigh, North Carolina 27607
The properties of the adenosine triphosphatase activity associated with tightly coupled, time-stable mung bean (Phaseolus aureus Roxb.) mitochondria resemble those of intact animal mitochondria. Induction of adenosine triphosphatase activity by 2,4-dinitrophenol was inhibited by oligomycin, oxidizable substrates, and high concentrations of sucrose. Upon sonication, high rates of endogenous adenosine triphosphate hydrolysis resulted, an absolute requirement for Mg2+ was manifested, stimulation by 2,4-dinitrophenol and inhibition by sucrose were eliminated, but sensitivity to oligomycin was retained.
1 Cooperative investigations of the North Carolina Agricultural Experiment Station and the Crops Research Division, Agricultural Research Service, United States Department of Agriculture, Raleigh, North Carolina. Paper No. 3328 of the Journal Series of the North Carolina State University Agricultural Experiment Station, Raleigh, North Carolina. This investigation was supported in part by Public Health Service Grants ES 00044 and ES 00083.
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