Get 20M+ Full-Text Papers For Less Than $1.50/day. Start a 14-Day Trial for You or Your Team.

Learn More →

The effect of sterols on the metabolism of Pythium species

The effect of sterols on the metabolism of Pythium species 203 61 61 3 3 Eckart Schlösser David Gottlieb Department of Plant Pathology University of Illinois Urbana Department of Plant Pathology American University of Beirut Beirut Lebanon Summary The growth of several Pythium species is increased between 65 and 100% if cholesterol is added to the growth medium. The optimum concentration is 15 mcg per ml. Mycelium of Pythium ultimum , in which cholesterol is present, incorporates glucose-U- 14 C and releases 14 CO 2 at a faster rate than the corresponding sterol free mycelium. In sterol containing cells, more 14 CO 2 is produced from a given amount of absorbed glucose-U- 14 C than in sterol free cells, there is thus in sterol containing hyphae a higher level of energy production. This condition can account for the increase in growth due to cholesterol. Only if sterols are present in the cellular membranes of Pythium species is the optimum synthetic capacity reached. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Microbiology Springer Journals

The effect of sterols on the metabolism of Pythium species

Loading next page...
 
/lp/springer-journals/the-effect-of-sterols-on-the-metabolism-of-pythium-species-iqYJeglSzI

References (10)

Publisher
Springer Journals
Copyright
Copyright © 1968 by Springer-Verlag
Subject
Life Sciences; Biotechnology; Biochemistry, general; Cell Biology; Ecology; Microbial Ecology; Microbiology
ISSN
0302-8933
eISSN
1432-072X
DOI
10.1007/BF00446610
Publisher site
See Article on Publisher Site

Abstract

203 61 61 3 3 Eckart Schlösser David Gottlieb Department of Plant Pathology University of Illinois Urbana Department of Plant Pathology American University of Beirut Beirut Lebanon Summary The growth of several Pythium species is increased between 65 and 100% if cholesterol is added to the growth medium. The optimum concentration is 15 mcg per ml. Mycelium of Pythium ultimum , in which cholesterol is present, incorporates glucose-U- 14 C and releases 14 CO 2 at a faster rate than the corresponding sterol free mycelium. In sterol containing cells, more 14 CO 2 is produced from a given amount of absorbed glucose-U- 14 C than in sterol free cells, there is thus in sterol containing hyphae a higher level of energy production. This condition can account for the increase in growth due to cholesterol. Only if sterols are present in the cellular membranes of Pythium species is the optimum synthetic capacity reached.

Journal

Archives of MicrobiologySpringer Journals

Published: Sep 1, 1968

There are no references for this article.