Growth Promoting Substance in Yeast Extract for Methylotrophic Growth of Candida boidinii
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A growth-promoting substance (GPS) for methylotrophic yeasts was purified from yeast extract. The purified GPS showed growth promotion by reducing the lag time of the growth of methylotrophic <I>Candida boidinii</I>, while the growth rate at the exponential phase was the same as that of growth without GPS. GPS was finally identified to be <small>L</small>-proline by the criteria of instrumental analysis and chemical shift assignments.
- Agricultural and Biological Chemistry
Agricultural and Biological Chemistry 70(8), 2007-2009, 2006-08-23
Japan Society for Bioscience, Biotechnology, and Agrochemistry