Plant Physiol. Journal of Pharmacology and Experimental Therapeutics
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Plant Physiology 44:1241-1246 (1969)
© 1969 American Society of Plant Biologists

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Articles

Influence of Age and Sulfur Metabolism on ATP Sulfurylase Activity in the Soybean and a Survey of Selected Species 1

C. A. Adams and R. W. Rinne

a United States Regional Soybean Laboratory, University of Illinois, Urbana, Illinois 61801

ATP sulfurylase activity varied greatly among different leaves on the soybean plant [Glycine max (L.) Meer.], and high levels of activity did not appear in the leaves until the seedlings were about 3 weeks old. In general, leaves from the top of the plant had a higher activity than leaves from the bottom of the plant. A much greater activity was found in soybean leaves than in soybean roots. The absence of sulfate in the nutrient solution resulted in higher enzyme activity in leaves from young plants and in lower activity in leaves from older plants. Over the growing season, however, ATP sulfurylase activity appeared to be related to sulfur content of the leaf. Several other plant species also had measurable levels of ATP sulfurylase.

1 Cooperative investigations of Crops Research Division, Agricultural Research Service, United States Department of Agriculture, and Illinois Agricultural Experiment Station, Urbana, Illinois. Publication No. 566 of the United States Regional Soybean Laboratory, Urbana, Illinois.




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C. Rotte and T. Leustek
Differential Subcellular Localization and Expression of ATP Sulfurylase and 5'-Adenylylsulfate Reductase during Ontogenesis of Arabidopsis Leaves Indicates That Cytosolic and Plastid Forms of ATP Sulfurylase May Have Specialized Functions
Plant Physiology, October 1, 2000; 124(2): 715 - 724.
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B. C. GERWICK, S. B. KU, and C. C. BLACK
Initiation of Sulfate Activation: A Variation in C4 Photosynthesis Plants
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Copyright © 1969 by the American Society of Plant Biologists