Control of Annual Endocrine Rhythms in the Edible Dormouse: Nonprimary Effect of Photoperiod-Reference-Cited by-同舟云学术

Control of Annual Endocrine Rhythms in the Edible Dormouse: Nonprimary Effect of Photoperiod

Published:1991-12 Issue:4 Volume:6 Page:343-352
ISSN:0748-7304
Container-title:Journal of Biological Rhythms
language:en
Short-container-title:J Biol Rhythms

Author:

Jallageas Monique¹,Mas Nicole¹,Nouguier-Soulé Janine¹

Affiliation:

1. Laboratory of Endocrinological Neurobiology, URA 1197, CNRS, University of Montpellier , Place E. Bataillon, 34095 Montpellier Cedex 5, France

Abstract

We investigated the extent to which photoperiodic fluctuations synchronize annual thyroid and gonadal rhythmicity in edible dormice. The effects of different daylength manipulations (LD 4:20, LD 6:18, LD 18:6, LD 20:4) were examined during the two critical ascending and regressive phases of the annual plasma testosterone and thyroxine cycles that correspond to naturally increasing or decreasing photoperiod variations. The data failed to demonstrate any essential photoperiodic contribution to control systems that generate these two annual biological rhythms in dormice.

Publisher

SAGE Publications

Subject

Physiology (medical),Physiology

Link

http://journals.sagepub.com/doi/pdf/10.1177/074873049100600405

Reference49 articles.

1. Plasma Androgen and Gonadotropin Levels during Hibernation and Testicular Maturation in Golden-Mantled Ground Squirrels1

2. Mammalian pineal melatonin: A clock for all seasons

3. Effects of Short Photoperiod on Pituitary and Testicular Function in the Chinese Hamster, Cricetulus griseus1

4. Incidence of a circadian cycle of photosensitivity in the regulation of the annual testis cycle in the mink: A short-day mammal

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