VITAMINS 207 



Stokes, J. L., J. W. Foster, and H. B. Woodward: Synthesis of pyridoxin by a 



"pyridoxin-less" x-ray mutant of Neurospora sitophila, Arch. Biochem. 2: 



235-245, 1943. 

 Stokes, J. L., and M. Gunness: Microbiological activity of synthetic biotin, its 



optical isomers and related compounds, Jour. Biol. Chem. 157: 121-126, 1945. 

 Stokes, J. L., A. Larsen, and M. Gunness: Biotin and the synthesis of aspartic 



acid by microorganisms. Jour. Biol. Chem. 167: 613-614, 1947. 

 Strauss, B. S.: Studies on the Be-requiring, pH-sensitive mutants of Neurospora 



crassa, Arch. Biochem. 30: 292-305, 1951. 

 Tatum, E. L., and G. W. Beadle: Genetic control of biochemical reactions in 



Neurospora: an "aminobenzoic-less" mutant, Proc. Natl. Acad. Sci. U.S. 28: 



234-243, 1942. 

 Tatum, E. L., and G. W. Beadle: Biochemical genetics of Neurospora, Ann. Mis- 

 souri Botan. Garden 32 : 125-129, 1945. 

 Weinstock, H. H., H. K. Mitchell, E. F. Pratt, and R. J. Williams: Pantothenic 



acid. IV. Formation of beta-sAanme by cleavage. Jour. Am. Chem. Soc. 61: 



1421-1425, 1939. 

 Williams, R. J., C. M. Lyman, G. H. Goodyear, and J. H. Truesdail: Is the 



nutrilite for Gebriide Mayer yeast of universal biological importance?, Jour. 



Am. Chem. Soc. 54: 3462-3463, 1932. 

 Williams, R. J., W. A. Mosher, and E. Rohrman: The importance of "panto- 

 thenic acid" in fermentation, respiration and glycogen storage, Biochem. Jour. 



30: 2036-2039, 1936. 

 Williams, R. R., and T. D. Spies: Vitamin Bi (Thiamin) and Its Use in Medicine, 



The Macmillan Company, New York, 1938. 

 WiNZLER, R. J., D. Burk, and V. du Vigneaud: Biotin in fermentation, respiration 



and nitrogen assimilation by yeast. Arch. Biochem. 6 : 25-47, 1944. 

 WiRTH, J. C, and F. F. Nord: Essential steps in the enzymatic breakdown of 



hexoses and pentoses. Interaction between dehydrogenation and fermentation, 



Arch. Biochem. 1: 143-163, 1942. 

 Wood, W. A., I. C. Gunsalus, and W. W. Umbreit: Function of pyridoxal phos- 

 phate : Resolution and purification of the tryptophanase enzyme of Escherichia 



coli, Jour. Biol. Chem. 170: 313-321, 1947. 

 Woolley, D. W.: The nature of the antialopecia factor, Science 92: 384-385, 1940. 

 Wooster, R. C., and V. H. Cheldelin: Growth requirements of Penicillium digita- 



tum, Arch. Biochem. 8: 311-320, 1945. 

 Wyss, O., V. G. Lilly, and L. H. Leonian: The effect of pH on the availability of 



p-aminobenzoic acid to Neurospora crassa, Science 99 : 18-19, 1944. 



