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Keywords: hormones
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Journal Articles
J Exp Biol (2021) 224 (20): jeb240101.
Published: 21 October 2021
... host defences remain little known. Prolactin, one of the main hormones involved in the regulation of avian parental behaviour, might play a key role in the orchestration of the host responses to avian brood parasitism. Given the positive association between prolactin and parental behaviour during...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (14): jeb242481.
Published: 20 July 2021
... growth event that has particular importance in birds because feathers play a crucial role in flight, insulation and communication. Somatic growth processes are regulated by the evolutionarily conserved peptide hormone insulin-like growth factor 1 (IGF-1). However, the role of IGF-1 in feather growth...
Journal Articles
J Exp Biol (2020) 223 (14): jeb214841.
Published: 28 July 2020
... and laboratory holding experiments, especially in the presence of multiple environmental stressors, including thermal stress. Here, we used coho salmon ( Oncorhynchus kisutch ) to test whether females exposed to elevated water temperatures (18°C) (i) suppress circulating sex hormones (testosterone, 11...
Journal Articles
J Exp Biol (2019) 222 (7): jeb196667.
Published: 3 April 2019
... of offspring, whereas food absence in the evening compromises quality (skeletal growth and overall size) of offspring but not reproductive fecundity in continuously breeding diurnal zebra finches. Food availability Hormones Reproduction Taeniopygia guttata Abundant food supply is crucial...
Journal Articles
In collection:
Neuroethology
J Exp Biol (2018) 221 (19): jeb185751.
Published: 8 October 2018
...’ hormone, the maternal optic glands employ multiple pathways as systemic hormonal signals of behavioral regulation. Upon arrival at our animal facilities, we examined octopuses for signs of senescence, such as pre-existing skin lesions and missing arm tips. We excluded these individuals, which included...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (6): jeb156893.
Published: 15 March 2018
... in a unidirectional fashion with increasing urbanization. As hormones mediate individual responses to changing environments, endocrine systems might be one of the first systems affected, as well as being the first line of defense to ameliorate any negative health impacts. In this Review, we first highlight how light...
Journal Articles
J Exp Biol (2018) 221 (Suppl_1): jeb165381.
Published: 7 March 2018
.... , Jewett , J. R. , Burnier , J. , Henzel , W. and Lowe , D. G. ( 1991 ). Extracellular domain-IgG fusion proteins for three human natriuretic peptide receptors. Hormone pharmacology and application to solid phase screening of synthetic peptide antisera . J. Biol. Chem. 266 , 23060...
Journal Articles
J Exp Biol (2017) 220 (17): 3017–3021.
Published: 1 September 2017
...) were affected ( Hau, 2007 ). Further, our model system will be useful for investigating the extent to which suites of correlated traits, be they morphological, physiological or behavioral, are hormonally mediated. It is worth noting that not all behavioral components related to courtship were...
Includes: Supplementary data
Journal Articles
J Exp Biol (2015) 218 (22): 3671–3677.
Published: 1 November 2015
..., as expressed by phonotaxis, is mediated primarily by estradiol. Estradiol receptors are expressed in auditory and motivational brain areas and the hormone could serve as an important modulator of neural responses to conspecific calls. To better understand how estradiol modifies neural responses to conspecific...
Journal Articles
J Exp Biol (2014) 217 (17): 3178–3185.
Published: 1 September 2014
...E. Amsalem; P. Teal; C. M. Grozinger; A. Hefetz Juvenile hormone (JH) is an important regulator of development and physiology in insects. While in many insect species, including bumble bees, JH functions as gonadotropin in adults, in some highly eusocial insects its role has shifted to regulate...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (4): 507–517.
Published: 15 February 2014
... respond phenotypically to elevated testosterone, a steroid hormone that alters gene expression. Only recently has it become possible to learn how a hormone such as testosterone affects global gene expression in non-model systems, and whether it affects the same genes in males and females. To investigate...
Includes: Supplementary data
Journal Articles
J Exp Biol (2013) 216 (23): 4395–4402.
Published: 1 December 2013
... are poorly understood. An important model in understanding the hormonal determinants of behavioral sequencing is the ecdysis sequence, which is performed by insects at each developmental transition, or molt. The adult ecdysis sequence in Drosophila includes the emergence of the insect from the pupal case...
Journal Articles
J Exp Biol (2011) 214 (11): 1931–1942.
Published: 1 June 2011
... for exiting phenotypes in an acoustic communication system . In The Design of Animal Communication (ed. Hauser M. D. , Konishi M. ), pp. 493 - 514 . Cambridge, MA : The MIT Press . Bentley P. J. ( 1998 ). The chemical structure, polymorphism, and evolution of hormones...
Journal Articles
J Exp Biol (2009) 212 (18): 2902–2907.
Published: 15 September 2009
..., is not well understood. As the glucocorticoid hormone corticosterone is known to correlate with behaviour and physiology related to energy regulation in birds, we here investigated the effect of geomagnetic cues on circulating corticosterone levels in a long-distance migrant. Just as in earlier studies...
Journal Articles
J Exp Biol (2009) 212 (8): 1087–1091.
Published: 15 April 2009
...Tobias Uller; Johan Hollander; Lee Astheimer; Mats Olsson SUMMARY Corticosterone exposure during prenatal development as a result of maternal upregulation of circulating hormone levels has been shown to have effects on offspring development in mammals. Corticosterone has also been documented in egg...
Journal Articles
J Exp Biol (2009) 212 (1): 89–94.
Published: 1 January 2009
...Michael Tobler; Maria I. Sandell SUMMARY Trans-generational transfer of non-genetic, maternal resources such as hormones can have a substantial influence on offspring phenotype in many vertebrate species. In birds, maternal androgens enhance both growth and competitive behaviour, but also suppress...
Journal Articles
J Exp Biol (2006) 209 (8): 1413–1420.
Published: 15 April 2006
... of this behaviour in emperor penguins ( Aptenodytes forsteri ), whose failed breeders often kidnap chicks. We experimentally tested the hypothesis that kidnapping behaviour was the result of high residual levels of prolactin (PRL), a hormone involved in parental behaviour. Penguins with artificially decreased PRL...