Abstract
Precoated cellulose thin-layer chromatograms were used to detect the production of guanosine 5′-phosphate from guanosine and p-nitrophenylphosphate by whole-cell preparations. One-hundred per cent of Serratia (163 strains) and 84% of E. liquefaciens (15 of 18 strains) produced the nucleotide. All other Enterobacter (23 strains), Klebsiella (10 strains), and E. coli (10 strains) were negative for the production of this nucleotide. The entire test procedure could be carried out in 4 hr. It is proposed that E. liquefaciens is more closely related to Serratia than Enterobacter and that reclassification of these organisms should be investigated.
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Selected References
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