Circadian responses of teleostean oocytes to gonadotropins and prostaglandins determined by cyclic AMP concentration

C.-M. KUO, W. O. WATANABE
1978 Reproduction nutrition development (Print)  
The work describes the circadian rhythm of teleostean oocyte responses to exogenous gonadotropins and prostaglandins as determined by the level of cyclic AMP accumulation, and the influence of photoperiodicity. Mature females, Mugil cephalus, were divided into two groups and acclimated under a constant photoperiod regime of equal phases (12 L/12 D) at 21 ! 1 O C for 45 days. Two photoperiod conditions were used. One timed the onset of the light phase at 6 a. m. and the other at 6 p. m. The
more » ... e responses to NIH-LH, NIH-FSH, SG-G 100, prostaglandins E ? and F 2a were examined at 3-hr intervals. The concentrations of cyclic AMP, assayed by the
doi:10.1051/rnd:19780530 fatcat:tv62ey7amvbwzh6soyn5br3huq