Affiliation:
1. Laboratorium voor Algemene Plantkunde, Plantenfysiologie en Farmacognosie, Universiteit van Amsterdam, Amsterdam, The Netherlands
Abstract
Evidence is presented that progametangia in both the
plus
and the
minus
mating types of
Mucor mucedo
can be induced by
one
substance, namely (−)-trisporic acid B. A method is described for the determination of the concentration of the sex factors (trisporone, trisporic acid B, trisporic acid C) in mated cultures of
Mucorales
by polarography. It can be demonstrated that the amount of
plus
mycelium is limiting for the production of the sex factors in
Blakeslea trispora
. It is shown that the
minus
type of this organism is able to synthesize the sex factors when incubated in the filtered medium of a mated culture. Cycloheximide and 5-fluorouracil inhibit strongly the sex factor production in a mated culture of
B. trispora
at any time. This result suggests that sexual activity comprises the synthesis of proteins which are involved in the production of the sex factors.
Publisher
American Society for Microbiology
Subject
Molecular Biology,Microbiology
Reference11 articles.
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3. Mechanism of the electrochemical reduction of phenyl ketones;Elving P. J.;J. Amer. Chem. Soc.,1958
4. Sexual factor of the Mucorales;Ende H.;Nature,1967
5. Relationship between sexuality and carotene synthesis in Blakeslea trispora;Ende H.;J. Bacteriol.,1968
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