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The metabolism of isoprenoid precursors in a plant system

Johnston, James A. and Racusen, David W. and Bonner, James (1954) The metabolism of isoprenoid precursors in a plant system. Proceedings of the National Academy of Sciences of the United States of America, 40 (11). pp. 1031-1037. ISSN 0027-8424. http://resolver.caltech.edu/CaltechAUTHORS:JOHpnas54

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Abstract

It has been shown earlier(1,2) that the synthesis of the isoprenoid, rubber, by a rubber-bearing plant, guayule (Parthenium argentatum), involves acetate as an, intermediate. Not only does the administration of acetate to this plant result in a net increase in the amount of rubber formed, but, in addition, rubber synthesized by plants supplied with doubly C14-labeled acetate possesses the same specific activity as the acetate given, indicating that all the carbon atoms of the rubber derive from and channel through acetate.(3) Rubber, like other isoprenoids, is made up of repeating units of isoprene, which has the five-carbon branched-chain structure shown below. This structure appears, then, to be derived in the plant from acetate.


Item Type:Article
Additional Information:© 1954 by the National Academy of Sciences. Communicated September 21, 1954. Report of work supported in part by the Research and Development Branch, Office of the Quartermaster General, Department of the Army.
Record Number:CaltechAUTHORS:JOHpnas54
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:JOHpnas54
Alternative URL:http://dx.doi.org/10.1073/pnas.40.11.1031
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:7775
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:14 Aug 2007
Last Modified:26 Dec 2012 09:34

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