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Metabolism of [14C]bicarbonate by Streptococcus lactis: identification and distribution of labelled compounds

Published online by Cambridge University Press:  01 June 2009

Alan J. Hillier
Affiliation:
Russell Grimwade School of Biochemistry, University of Melbourne, Parkville, Victoria 3052, Australia
G. Richard Jago
Affiliation:
Dairy Research Laboratory, Division of Food Research, CSIRO, Highett, Victoria 3190, Australia

Summary

Streptococcus lactis C10, grown in tryptone–yeast extract–lactose broth containing [14C] bicarbonate, incorporated radioactivity into the protein and nucleic acid fractions of the cell as well as into compounds which were excreted by the organism into the growth medium. Aspartic acid was the first compound to be labelled and was the only amino acid labelled in the cell protein. All 4 bases were labelled in the cell RNA. Aspartic, succinic and lactic acids were the radioactive compounds excreted into the growth medium.

Type
Original Articles
Copyright
Copyright © Proprietors of Journal of Dairy Research 1978

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