STUDIES ON VITAMIN B12 IN NATURAL WATER-VII
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چکیده
منابع مشابه
Studies on vitamin B12 production with Streptomyces olivaceus.
Manual of Recommended Water Sanitation Practice. Public Health Rpts., 58: 69. CALDWELL, E. L., AND PARR, L. W. 1933 Pump infections under normal conditions in controlled experimental fields. J. Am. Water Works Assoc. 25: 1107-1117. CALVERT, C. K. 1937 The streptococci test for pollution of water. J. Am. Water Works Assoc. 29i 683. CLEMESHA, W. W. 1912 The Bacteriology of Surface Waters in the T...
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The chromosomal location of two genetic loci involved in the transport of cyanocobalamin (B(12)) in Escherichia coli K-12 was determined. One gene, btuA, is believed to code for the transport protein in the cytoplasmic membrane, because a mutant with an alteration in this gene has lost the ability to accumulate B(12) within the cell although normal levels of the surface receptors for B(12) are ...
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ژورنال
عنوان ژورنال: NIPPON SUISAN GAKKAISHI
سال: 1962
ISSN: 1349-998X,0021-5392
DOI: 10.2331/suisan.28.352