Thermal acclimation of heart rates in reptilian embryos.
In many reptiles, the thermal regimes experienced by eggs in natural nests vary as a function of ambient weather and location, and this variation has important impacts on patterns of embryonic development. Recent advances in non-invasive measurement of embryonic heart rates allow us to answer a long...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Public Library of Science (PLoS)
2010-01-01
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| Series: | PLoS ONE |
| Online Access: | http://europepmc.org/articles/PMC3001871?pdf=render |
| _version_ | 1811310388000587776 |
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| author | Wei-Guo Du Hua Ye Bo Zhao Daniel A Warner Richard Shine |
| author_facet | Wei-Guo Du Hua Ye Bo Zhao Daniel A Warner Richard Shine |
| author_sort | Wei-Guo Du |
| collection | DOAJ |
| description | In many reptiles, the thermal regimes experienced by eggs in natural nests vary as a function of ambient weather and location, and this variation has important impacts on patterns of embryonic development. Recent advances in non-invasive measurement of embryonic heart rates allow us to answer a long-standing puzzle in reptilian developmental biology: Do the metabolic and developmental rates of embryos acclimate to local incubation regimes, as occurs for metabolic acclimation by post-hatching reptiles? Based on a strong correlation between embryonic heart rate and oxygen consumption, we used heart rates as a measure of metabolic rate. We demonstrate acclimation of heart rates relative to temperature in embryos of one turtle, one snake and one lizard species that oviposit in relatively deep nests, but found no acclimation in another lizard species that uses shallow (and hence, highly thermally variable) nests. Embryonic thermal acclimation thus is widespread, but not ubiquitous, within reptiles. |
| first_indexed | 2024-04-13T09:58:02Z |
| format | Article |
| id | doaj.art-f45b1809e359431691b73dd836bb30bf |
| institution | Directory Open Access Journal |
| issn | 1932-6203 |
| language | English |
| last_indexed | 2024-04-13T09:58:02Z |
| publishDate | 2010-01-01 |
| publisher | Public Library of Science (PLoS) |
| record_format | Article |
| series | PLoS ONE |
| spelling | doaj.art-f45b1809e359431691b73dd836bb30bf2022-12-22T02:51:19ZengPublic Library of Science (PLoS)PLoS ONE1932-62032010-01-01512e1530810.1371/journal.pone.0015308Thermal acclimation of heart rates in reptilian embryos.Wei-Guo DuHua YeBo ZhaoDaniel A WarnerRichard ShineIn many reptiles, the thermal regimes experienced by eggs in natural nests vary as a function of ambient weather and location, and this variation has important impacts on patterns of embryonic development. Recent advances in non-invasive measurement of embryonic heart rates allow us to answer a long-standing puzzle in reptilian developmental biology: Do the metabolic and developmental rates of embryos acclimate to local incubation regimes, as occurs for metabolic acclimation by post-hatching reptiles? Based on a strong correlation between embryonic heart rate and oxygen consumption, we used heart rates as a measure of metabolic rate. We demonstrate acclimation of heart rates relative to temperature in embryos of one turtle, one snake and one lizard species that oviposit in relatively deep nests, but found no acclimation in another lizard species that uses shallow (and hence, highly thermally variable) nests. Embryonic thermal acclimation thus is widespread, but not ubiquitous, within reptiles.http://europepmc.org/articles/PMC3001871?pdf=render |
| spellingShingle | Wei-Guo Du Hua Ye Bo Zhao Daniel A Warner Richard Shine Thermal acclimation of heart rates in reptilian embryos. PLoS ONE |
| title | Thermal acclimation of heart rates in reptilian embryos. |
| title_full | Thermal acclimation of heart rates in reptilian embryos. |
| title_fullStr | Thermal acclimation of heart rates in reptilian embryos. |
| title_full_unstemmed | Thermal acclimation of heart rates in reptilian embryos. |
| title_short | Thermal acclimation of heart rates in reptilian embryos. |
| title_sort | thermal acclimation of heart rates in reptilian embryos |
| url | http://europepmc.org/articles/PMC3001871?pdf=render |
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