University of Chicago, Department of Botany, Chicago, Illinois 60637.
Plant Physiol. 1967 Jan;42(1):1-5. doi: 10.1104/pp.42.1.1.
Leaves of dark-grown corn (Zea mays) were illuminated for periods ranging from 3 minutes to 12 hours. The changes in the activities of ribose-5-phosphate isomerase, ribulose-5-phosphate kinase, and ribulose-1,5-diphosphate carboxylase were followed.The activity of ribose-5-phosphate isomerase did not change significantly until between 12 and 24 hours of illumination. An increase in ribulose-5-phosphate kinase activity occurred after a lag of about 6 hours. The increase in carboxylase activity began after 3 minutes of illumination and increased until after 3 to 6 hours in the light, after which it began to decline. The increases in these enzymes appear to be the result of protein synthesis.
黑暗中生长的玉米(Zea mays)叶片被照射的时间从 3 分钟到 12 小时不等。跟踪检测核酮糖-5-磷酸异构酶、核酮糖-5-磷酸激酶和核酮糖-1,5-二磷酸羧化酶的活性变化。在光照 12 到 24 小时之间,核酮糖-5-磷酸异构酶的活性没有明显变化。核酮糖-5-磷酸激酶的活性在延迟大约 6 小时后增加。羧化酶活性在光照 3 分钟后开始增加,在 3 到 6 小时之间增加,之后开始下降。这些酶的增加似乎是蛋白质合成的结果。