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Science 26 June 1981:
Vol. 212. no. 4502, pp. 1525 - 1527
DOI: 10.1126/science.212.4502.1525
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Articles

Peptidal Sex Hormones Inducing Conjugation Tube Formation in Compatible Mating-Type Cells of Tremella mesenterica

YOUJI SAKAGAMI 1, MITSURU YOSHIDA 1, AKIRA ISOGAI 1, and AKINOIU SUZUKI 1

1 Department of Agricultural Chemistry, University of Tokyo, Bunkyo-ku, Tokyo 113, Japan

The pair of peptidal sex hormones (tremerogen A-10 and tremerogen a-13) that induce conjugation tube formation in compatible type cells (A and a types) of Tremella mesenterica were isolated. Tremerogen A-10 is a dodecapeptide and tremerogen a-13, a tridecapeptide. In both peptides, the sulfiydryl group of the cysteines at the carboxyl terminus was blocked by farnesyl moieties.

Submitted on January 28, 1981


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