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SEXUAL INDUCTION IN EUDORINA : EFFECTS OF LIGHT, NUTRIENTS, AND CONDITIONED MEDIUM 1
Author(s) -
Szostak J. W.,
Sparkuhl J.,
Goldstein M. E.
Publication year - 1973
Publication title -
journal of phycology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.85
H-Index - 127
eISSN - 1529-8817
pISSN - 0022-3646
DOI - 10.1111/j.1529-8817.1973.tb04082.x
Subject(s) - biology , sperm , nutrient , limiting , clone (java method) , light intensity , botany , microbiology and biotechnology , biochemistry , gene , ecology , optics , mechanical engineering , physics , engineering
SUMMARY The generation time of Eudorina and the time required for a male clone to produce sperm packets decreased with increased light intensity. Nutrient levels were not limiting for either process at the concentrations used in Volvox medium. Effects of various transfer schedules are discussed. A dialyzable substance which induces sperm packet formation was detected in medium in which Eudorina was grown. Methods for the preparation and assay of this substance are described.