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. 1987 Jun;169(6):2862–2865. doi: 10.1128/jb.169.6.2862-2865.1987

Tetrahydrothiophene 1-oxide as an electron acceptor for Escherichia coli.

R Meganathan, J Schrementi
PMCID: PMC212200  PMID: 3294808

Abstract

Escherichia coli used tetrahydrothiophene 1-oxide (THTO) as an electron acceptor for anaerobic growth with glycerol as a carbon source; the THTO was reduced to tetrahydrothiophene. Cell extracts also reduced THTO to tetrahydrothiophene in the presence of a variety of electron donors. Chlorate-resistant (chl) mutants (chlA, chlB, chlD, and chlE) were unable to grow with THTO as the electron acceptor. However, growth and THTO reduction by the chlD mutant were restored by high concentrations of molybdate. Similarly, mutants of E. coli that are blocked in the menaquinone (vitamin K2) biosynthetic pathway, i.e., menB, menC, and menD mutants, did not grow with THTO as an electron acceptor. Growth and THTO reduction were restored in these mutants by the presence of appropriate intermediates of the vitamin K biosynthetic pathway.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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