357 K
16 pp.
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TitleThe Path of Carbon in Photosynthesis IV. The Identity and Sequence of the Intermediates in Sucrose Synthesis
Author(s)Calvin, M.; Benson, A.
Publication DateDecember 14, 1948
Report NumberAECU-113; UCRL--254
Unique IdentifierACC0307
Other NumbersOSTI ID: 4418786; OSTI ID: 929396
Research OrgErnest Orlando Lawrence Berkeley National Laboratory, Berkeley, CA (US) [LBL] [LBNL]; University of California Radiation Laboratory, Berkeley, CA
Contract NoW-7504-eng-48; DE-AC02-05CH11231
Sponsoring OrgU.S. Atomic Energy Commission (AEC)
Subject59 Basic Biological Sciences; Algae; Carbon; Chromatography; Fructose; Photosynthesis; Plants; Saccharose; Synthesis
KeywordsTracer Applications - Biology; Carbon 14; Carbon Dioxide; Chemical Reactions; Glucose; Glyceric Acid; Organic Acids; Organic Phosphorus Compounds; Phosphates; Radioautography; Sucrose; Sugars; Tracer Techniques
Related Web PagesMelvin Calvin and Carbon in Photosynthesis
AbstractThe synthesis of sucrose from C{sup 14}0{sub 2} by green algae has been investigated and the intermediates separated by the method of paper chromatography. It is shown that sucrose is the first free sugar appearing during photosynthesis. It is apparently formed by condensation of the glucose-I-phosphate and a fructose phosphate. A series of radioautographs of paper chromatograms of extracts from plants which have photosynthesized for different periods of time has been prepared. The results indicate that 2-phosphoglyceric acid is the first product synthesized from C0{sub 2} during photosynthesis.
357 K
16 pp.
View Document 

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