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Keywords: spermatogenesis
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Journal Articles
Journal Articles
J Exp Biol (2020) 223 (8): jeb214825.
Published: 22 April 2020
... mass. Vespertilio murinus Energetic trade-off Body condition Spermatogenesis Heterothermy Living in seasonal, often unpredictable environments is challenging for many animals. The optimization of assimilated energy allocation among competing life-history traits is central...
Includes: Supplementary data
Journal Articles
Journal Articles
J Exp Biol (2016) 219 (15): 2402–2408.
Published: 1 August 2016
... investigations, we also demonstrated that both mRNA and protein were expressed in all phases, with two peaks of expression occurring in summer and in winter stasis. These highest levels of P450 aromatase are in line with the increase of 17β-estradiol, responsible for the spermatogenesis block typical...
Journal Articles
Journal Articles
J Exp Biol (2004) 207 (13): 2209–2213.
Published: 1 June 2004
... proliferation via ERK1 activity. 24 3 2004 © The Company of Biologists Limited 2004 2004 ERK1 spermatogenesis photoperiod proliferation frog Rana esculenta The amphibians are the first tetrapods and therefore occupy a phylogenetic position of great interest. As cold-blooded...
Journal Articles
Journal Articles
Journal Articles
J Exp Biol (1998) 201 (2): 179–192.
Published: 15 January 1998
... on the synthesis of vitellogenin and on testicular structure and cytology were investigated in male eelpout Zoarces viviparus during active spermatogenesis (May) and late spermatogenesis (June). Twenty-five days after injection, a significant dose-dependent increase in the plasma vitellogenin concentration...