Escherichia coli (Migula) Castellani and Chalmers
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Nakayama H, Hayashi R. Biosynthesis of thiamine pyrophosphate in Escherichia coli. J. Bacteriol. 109: 936-938, 1972. PubMed: 4550824
Nakayama H, Hayashi R. Biosynthetic pathway of thiamine pyrophosphate: a special reference to the thiamine monophosphate-requiring mutant and the thiamine pyrophosphate-requiring mutant of Escherichia coli. J. Bacteriol. 112: 1118-1126, 1972. PubMed: 4565529
derived from ATCC 9637