Growth factor requirement of Thiobacillus novellus

  title={Growth factor requirement of Thiobacillus novellus},
  author={Abdul Matin and F. J. Kahan and R. H. Leefeldt},
  journal={Archives of Microbiology},
Thiobacillus novellus cannot be grown in mineral salts media unless supplied with yeast extract. The requirement is only for miniscule amounts of yeast extract and is not fully expressed unless cells grown in a complex medium are allowed to multiply in a mineral salts medium for four to five generations. Individual sulfur-containing organic compounds, namely biotin, coenzyme A, and lipoic acid, but not reduced inorganic sulfur compounds, can substitute for the yeast extract requirement. Biotin… CONTINUE READING


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