The Evolution of Endothermy - From Patterns to Mechanisms
Metabolic rate is a key ecophysiological factor determining fitness, distribution, survival and reproductive strategies of organisms. The ability to endogenously produce heat and elevate body temperature beyond ambient, has far reaching ecological implications. The diversity of thermogenic mechanism...
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Elias T. Polymeropoulos auth The Evolution of Endothermy - From Patterns to Mechanisms Frontiers Media SA 2018 1 electronic resource (150 p.) text txt rdacontent computer c rdamedia online resource cr rdacarrier Frontiers Research Topics Metabolic rate is a key ecophysiological factor determining fitness, distribution, survival and reproductive strategies of organisms. The ability to endogenously produce heat and elevate body temperature beyond ambient, has far reaching ecological implications. The diversity of thermogenic mechanisms and strategies employed throughout the animal kingdom is truly phenomenal and one of the greatest biological mysteries. Interestingly, even heat producing plants have been characterised.</p><p><br></p><p>Over the last several decades, the oversimplified distinction between warm- and cold blooded animals has well and truly been put to rest and the terms “endo- and ectotherm” have been established. Birds and mammals are regarded as endotherms, capable of maintaining high body temperatures within highly precise boundaries. On contrary, in ectothermic organisms ambient temperature governs body temperature and metabolism, encompassing the majority of present day species. However, it has recently become very clear that this distinction is still not accurate enough to describe the vastness of heat generating mechanisms within endo- but also ectotherms. Indeed, a plethora of ectothermic animals display endogenous as well as behavioural means of temperature control and mechanisms for heat generation. There is large diversity in regards to thermoregulatory ability and strategy within endotherms as well, with some groups being classified by separate categories such as basoendotherms and mesotherms.</p><p><br></p><p>Considerable interest and efforts has been put into the quest to understand the underlying physiological mechanisms leading and facilitating high metabolic rates and body temperatures of endotherms. These mechanisms are far from being exhaustively studied and the evolutionary trajectory leading to high metabolic rates and stable body temperatures is equally, vividly debated. This discussion includes an array of questions and theories surrounding the presence of endothermy in extinct dinosaurs. In addition, a lively debate surrounds the evolutionary drivers promoting the establishment of endothermy with clear support of direct or indirect selective benefits.</p><p><br></p><p>Within this Research Topic we plan to compile the latest ideas, knowledge and experimental work to elucidate the patterns of the evolution of endothermy and its transition/distinction from ectothermy. The focus is on key physiological mechanisms supporting this transition and contributing to the maintenance of high metabolic rates and body temperature in endotherms, as well as mechanisms for local heterothermy and heat dissipation in ectotherms. These mechanisms and conclusions may be derived from different levels of organisation such as population, taxon, species as well as tissue, cellular or molecular levels. It may also encompass novel experimental or theoretical models testing evolutionary theories of endothermy. A comparative approach is encouraged but not fundamental. English mammals Endothermy ectotherms heterothermy evolution birds thermoregulation comparative physiology 2-88945-569-6 Rebecca Oelkrug auth Martin Jastroch auth |
language |
English |
format |
eBook |
author |
Elias T. Polymeropoulos |
spellingShingle |
Elias T. Polymeropoulos The Evolution of Endothermy - From Patterns to Mechanisms Frontiers Research Topics |
author_facet |
Elias T. Polymeropoulos Rebecca Oelkrug Martin Jastroch |
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e t p etp |
author2 |
Rebecca Oelkrug Martin Jastroch |
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r o ro m j mj |
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Elias T. Polymeropoulos |
title |
The Evolution of Endothermy - From Patterns to Mechanisms |
title_full |
The Evolution of Endothermy - From Patterns to Mechanisms |
title_fullStr |
The Evolution of Endothermy - From Patterns to Mechanisms |
title_full_unstemmed |
The Evolution of Endothermy - From Patterns to Mechanisms |
title_auth |
The Evolution of Endothermy - From Patterns to Mechanisms |
title_new |
The Evolution of Endothermy - From Patterns to Mechanisms |
title_sort |
the evolution of endothermy - from patterns to mechanisms |
series |
Frontiers Research Topics |
series2 |
Frontiers Research Topics |
publisher |
Frontiers Media SA |
publishDate |
2018 |
physical |
1 electronic resource (150 p.) |
isbn |
2-88945-569-6 |
illustrated |
Not Illustrated |
work_keys_str_mv |
AT eliastpolymeropoulos theevolutionofendothermyfrompatternstomechanisms AT rebeccaoelkrug theevolutionofendothermyfrompatternstomechanisms AT martinjastroch theevolutionofendothermyfrompatternstomechanisms |
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(CKB)4920000000094131 (oapen)https://directory.doabooks.org/handle/20.500.12854/47135 (EXLCZ)994920000000094131 |
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Frontiers Research Topics |
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The Evolution of Endothermy - From Patterns to Mechanisms |
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Frontiers Research Topics |
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