Literature DB >> 3799970

Assay for biotin in the presence of dethiobiotin with Lactobacillus plantarum.

E DeMoll, W Shive.   

Abstract

At concentrations greater than approximately 0.5 microM, dethiobiotin can cause the bioassay for biotin, which employs Lactobacillus plantarum, to over value the actual biotin level. This can be as much as 30-fold at 10 microM DL-dethiobiotin and 5 pM biotin. Dethiobiotin does this by exerting a sparing effect on the biotin response by the assay organism. We demonstrate one way to determine the actual biotin concentration in the presence of interfering levels of dethiobiotin.

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Year:  1986        PMID: 3799970     DOI: 10.1016/0003-2697(86)90587-7

Source DB:  PubMed          Journal:  Anal Biochem        ISSN: 0003-2697            Impact factor:   3.365


  2 in total

1.  Direct cloning from enrichment cultures, a reliable strategy for isolation of complete operons and genes from microbial consortia.

Authors:  P Entcheva; W Liebl; A Johann; T Hartsch; W R Streit
Journal:  Appl Environ Microbiol       Date:  2001-01       Impact factor: 4.792

2.  Biosynthesis of biotin from dethiobiotin by the biotin auxotroph Lactobacillus plantarum.

Authors:  W C Bowman; E DeMoll
Journal:  J Bacteriol       Date:  1993-12       Impact factor: 3.490

  2 in total

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