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Publikováno v:
Journal of Biological Chemistry. 255:11815-11821
The ciliated protozoan Tetrahymena pyriformis was incubated with delta 5-sterols which has side chains varying in degree of branching, polarity, and length. Branching at neither end of the side chain was obligatory for metabolism, although removal of
Publikováno v:
Biochemical and biophysical research communications. 44(4)
The naturally occurring pentacyclic triterpene alcohol of Tetrahymena pyriformis , tetrahymanol, is replaced by ergosterol as a result of supplementation of the growth medium with that sterol. Since tetrahymanol is not metabolized by the ciliate, los