Temperature sensitivity of the induction of xylose reductase in Pachysolen tannophilus

Alexander, N.J.

Biotechnology and Bioengineering 27(12): 1739-1744

1985


ISSN/ISBN: 0006-3592
PMID: 18553639
DOI: 10.1002/bit.260271218
Accession: 001699897

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Abstract
In studies of temp. effects in ethanol production from xylose derived from agricultural and forestry residues, it was found that when Pachysolen tannophilus was grown on xylose at 37 degrees C, xylose reductase activity was greatly reduced from that found in cells grown on xylose at 30 degrees . Cellular growth and division continued to occur at the higher temp., suggesting either that xylose reductase activity is not a rate-limiting step in the utilization of xylose, or that there is an alternate pathway for xylose utilization in Pachysolen. Reasons are given for preferring the former explanation.

Temperature sensitivity of the induction of xylose reductase in Pachysolen tannophilus