Stabilization of the yeast desaturase system by low levels of oxygen

The stability of particulate palmitoyl-CoA desaturase preparations from anaerobically grown yeast cells was increased by exposure to low levels of oxygen. The stabilizing effect of oxygen may be based upon the increased amounts of palmitoleic acid and ergosterol that become available to the cells. T...

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Bibliographic Details
Published in:Origins of Life 1983-03, Vol.13 (1), p.57-59
Main Authors: Volkmann, C. M., Klein, H. P.
Format: Article
Language:English
Subjects:
Anaerobiosis
Biological Evolution
Fatty Acid Desaturases - metabolism
Life Sciences (General)
Oxygen
Saccharomyces cerevisiae - enzymology
Space life sciences
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Summary:The stability of particulate palmitoyl-CoA desaturase preparations from anaerobically grown yeast cells was increased by exposure to low levels of oxygen. The stabilizing effect of oxygen may be based upon the increased amounts of palmitoleic acid and ergosterol that become available to the cells. These results suggest the evolutinary appearance of this system at a time when atmospheric oxygen was at a low level.
ISSN:0302-1688
1573-0875
DOI:10.1007/BF00928764