34 ELECTROLYTES IN BIOLOGICAL SYSTEMS 



10. CowiE, D. B., E. T. Bolton and M. K. Sands. Sulfur metabolism in Escherichia coli. I. 

 Sulfate metabolism in normal and mutant cells. /. Bad. 60; 233, 1950. 



11. CowiE, D. B., R. B. Roberts and E. T. Bolton. Utilization of internal sulfur reservoirs 

 by Escherichia soli. Science irg: 579, 1954. 



12. CowiE, D. B., R. B. Roberts and I. Z. Roberts. Potassium metabolism in Escherichia 

 coli. I. Permeability to sodium and potassium ions. J . Cell. & Com p. Physiol. 34: 243, 1949. 



13. Kamen, M. D. and S. Spiegleman. Some basic problems in the relation of nucleic acid 

 turnover to protein syuthesis. Cold Spring Harbor Symp. Quant. Biol. 12: 211, 1947. 



14. KozLOFF, L. M. and F. VV. Putnam. Biochemical studies of virus reproduction. III. The 

 origin of virus phosphorus in the Esclierichia coli Te bacteriophage system. /. Biol. Chem. 

 182: 229, 1950. 



15. Lipmann, F. On the chemistry and function of coenzyme A. Bact. Rev. 17:1, 1953. 



16. Maass, E. and M. J. Johnson. Penicillin uptake by bacterial cells. /. Bact. 57: 415, 1949. 



17. McQuillen, K. and R. B. Roberts. The utilization of acetate for synthesis in Escherichia 

 coli. J. Biol. Chem. 207: 81, 1954. 



18. Mitchell, P. Transport of phosphate across the surface of Micrococcus pyogenes: Nature 

 of the cell inorganic phosphate. J. Gen. Microbiol. 9: 278, 1953. 



19. Neuberg, C, H. Lustig and M. A. Rothenberg. Fructose-i:6-diphosphoric acid and 

 fructose-6-monophosphoric acid. Arch. Biochem. 3: 2,2,, 1943. 



20. NicoLLE, M. AND E. Aliliare. Note sur la production en grand des corps bacteriens et 

 sur leur composition chimique. Ann. Inst. Pasteur 23: 547, 1909. 



21. Olson, B. H. and J. J. Johnson. Factors producing high yeast yields in synthetic media. 

 J. Bact. ST. 23s, 1949. 



22. Putnam, E. W. and W. Z. Hassuj. Isolation and purification of radioactive sugars by 

 means of paper chromatography. /. Biol. Chem. ig6: 749, 1952. 



23. Roberts, I. Z. and E. L. Wolffe. Utilization of labled fructose-6-phosphate and fruc- 

 tose- 1 :6-diphosphate by E. coli. Arch. Biochem. t,t,: 165, 1951. 



24. Roberts, R. B., P. H. .\belson, D. B. Cowie, E. T. Bolton and R. Britten. Studies of 

 biosynthesis m Escherichia coli. Pul)lication No. 607, Carnegie Institution of Washington. 

 In press, 1955. 



25. Roberts, R. B. and E. T. Bolton. The role of glutathione in protein synthesis by Escheri- 

 chia coli. Science 115: 479, 1952. 



26. Roberts, R. B. and I. Z. Roberts. Potassium metabolism in Escherichia coli. III. In- 

 terrelationship of potassium and phosphorus metabolism. /. Cell. & Com p. Physiol. 36: 



15, 1950. 



27. Roberts, R. B., I. Z. Roberts and D. B. Cowie. Potassium metabolism in Escherichia 

 coll. II. Metabolism in the presence of carbohydrates and their metabolic derivatives. /. 

 Cell. & Camp. Physiol. 34: 259, 1949. 



28. Udenfriend, S. and M. Gibbs. Preparation of C'' uniformly labeled fructose by means of 

 photosynthesis and paper chromatography. Science no: 708, 1949. 



29. Umbreit, W. W., R. H. Burris and J. F. Stauffer. Manometric Techniques. Minneapo- 

 lis: Burgess, 1947, p. 176. 



30. Vosburgh, G. J., L. B. Flexner and D. B. Cowie. The determination of radioactive 

 iron in biological material with particular reference to purification and separation of iron 

 with isopropyl ether, ashing and electrojjlating techniques, and accuracy of the method. 

 ./. Biol. Chem. 175: 391, 1948. 



31. Wang, C. H., T. E. King, V. H. Cheldelin and B. E. Christensen. Methionine re- 

 versal of 2-chloro-4-aminobenzoic acid inhibition of Escherichia coli. J. Biol. Chem. 188: 



753, 1951- 



32. Williams, A. M. and P. W. Wilson. Equilibrium of succinate solutions with adapted 

 and unadapted Azotobacter cells. Canad. J. Microbiol. 1: 36, 1954- 



