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. 1971 Aug;107(2):580-2.
doi: 10.1128/jb.107.2.580-582.1971.

Identification of the forms of vitamin B 6 present in the culture media of "vitamin B 6 control" mutants

W B Dempsey, L J Arcement

Identification of the forms of vitamin B 6 present in the culture media of "vitamin B 6 control" mutants

W B Dempsey et al. J Bacteriol. 1971 Aug.

Abstract

An Escherichia coli mutant resistant to isoniazid (WG497) contained 0.6 mumole of extracellular pyridoxamine and pyridoxamine phosphate in the early stationary phase. A suppressed lysine mutant (AT1024) contained 1.4 mumoles of pyridoxal phosphate under the same conditions. The internal concentration of vitamin B(6) was one-half of normal for AT1024 and increased fivefold for WG497.

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References

    1. J Bacteriol. 1969 Oct;100(1):295-300 - PubMed
    1. J Bacteriol. 1971 Mar;105(3):988-98 - PubMed
    1. J Bacteriol. 1965 Aug;90:431-7 - PubMed

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