当前位置： SCI文献检索 > GENERAL AND COMPARATIVE ENDOCRINOLOGY期刊下所有文献 > Direct evidence that 17 alpha,20 beta-dihydroxy-4-pregnen-3-one functions as a goldfish primer pheromone: preovulatory release is closely associated with male endocrine responses.

Direct evidence that 17 alpha,20 beta-dihydroxy-4-pregnen-3-one functions as a goldfish primer pheromone: preovulatory release is closely associated with male endocrine responses.

Abstract：

:This study directly tested the hypothesis that 17 alpha,20 beta-dihydroxy-4-pregnen-3-one (17,20 beta-P) is a goldfish preovulatory pheromone (pheromone released at peak levels during oocyte final maturation) which increases blood gonadotropin (GtH) and milt volume in males. During spontaneous ovulation, GtH and 17,20 beta-P in female blood and 17,20 beta-P released to the water increased dramatically 7-10 hr prior to ovulation, peaked 1-4 hr prior to ovulation, and then rapidly declined. Males held with these females, or exposed to their odors, had increased GtH levels and milt volumes at approximately the time when increased 17,20 beta-P release by ovulatory females commenced. Although these findings strongly support the hypothesis that 17,20 beta-P is a preovulatory female sex pheromone in goldfish which stimulates male GtH levels and milt production prior to spawning, the milt increases occurred earlier than predicted, suggesting either that preovulatory 17,20 beta-P release begins earlier than the data indicate or that other steroids known to have pheromonal activity are released before 17,20 beta-P.

journal_name

Gen Comp Endocrinol

journal_title

General and comparative endocrinology

authors

Stacey NE,Sorensen PW,Van der Kraak GJ,Dulka JG

doi

10.1016/0016-6480(89)90008-7

subject

Has Abstract

pub_date

1989-07-01 00:00:00

pages

62-70

issue

1

eissn

0016-6480

issn

1095-6840

journal_volume

75

pub_type

杂志文章

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