Christopher G Guglielmo
Overview
Explore the profile of Christopher G Guglielmo including associated specialties, affiliations and a list of published articles.
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84
Citations
949
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Recent Articles
1.
Ivy C, Young K, Qu M, Dick M, Shoemaker J, Guglielmo C
Am J Physiol Regul Integr Comp Physiol
. 2025 Feb;
328(3):R329-R340.
PMID: 39929197
Chronic exposure to low oxygen (hypoxia) leads to amplification of the hypoxic chemoreflex, increasing breathing and sympathetic nervous system (SNS) activation. Prolonged SNS activation redistributes blood to hypoxia-sensitive tissues away...
2.
Lewicki L, Zhang M, Staples J, Guglielmo C, Ivy C
J Exp Biol
. 2025 Feb;
228(3).
PMID: 39902596
The pectoralis muscle in birds is important for flight and thermogenesis. In migratory songbirds this muscle exhibits seasonal flexibility in size, but whether this flexibility reflects changes in muscle fiber...
3.
Coulson S, Guglielmo C, Staples J
J Exp Biol
. 2024 Apr;
227(9).
PMID: 38632979
Birds remodel their flight muscle metabolism prior to migration to meet the physiological demands of migratory flight, including increases in both oxidative capacity and defence against reactive oxygen species. The...
4.
Dick M, Hobson K, Guglielmo C
J Exp Biol
. 2024 Feb;
227(4).
PMID: 38300135
Dietary n-3 long chain polyunsaturated fatty acids (LCPUFAs) are hypothesized to be natural doping agents in migratory shorebirds, enabling prolonged flight by increasing membrane fluidity and oxidative capacity of the...
5.
Ivy C, Guglielmo C
J Exp Biol
. 2023 Aug;
226(17).
PMID: 37534524
Migratory flight requires birds to maintain intensive aerobic exercise for many hours or days. Maintaining O2 supply to flight muscles is therefore important during migration, especially since migratory songbirds have...
6.
7.
Price E, Bauchinger U, McWilliams S, Boyles M, Langlois L, Gerson A, et al.
J Exp Biol
. 2022 Oct;
225(19).
PMID: 36200468
Migratory birds undergo seasonal changes to muscle biochemistry. Nonetheless, it is unclear to what extent these changes are attributable to the exercise of flight itself versus endogenous changes. Using starlings...
8.
Seewagen C, Elowe C, Gerson A, Groom D, Ma Y, Yildirim M, et al.
Sci Rep
. 2022 Jul;
12(1):11470.
PMID: 35794224
Methylmercury (MeHg) is a global pollutant that can cause metabolic disruptions in animals and thereby potentially compromise the energetic capacity of birds for long-distance migration, but its effects on avian...
9.
Lupi S, Morbey Y, MacDougall-Shackleton S, Kaiya H, Fusani L, Guglielmo C
Horm Behav
. 2022 Mar;
141:105139.
PMID: 35299118
Twice a year, billions of birds take on drastic physiological and behavioural changes to migrate between breeding and wintering areas. On migration, most passerine birds regularly stop over along the...
10.
Eberts E, Guglielmo C, Welch Jr K
Elife
. 2021 Dec;
10.
PMID: 34866575
Many small endotherms use torpor to reduce metabolic rate and manage daily energy balance. However, the physiological 'rules' that govern torpor use are unclear. We tracked torpor use and body...