Daily cycle in oxygen consumption by the sea anemone Nematostella vectensis Stephenson
In bilaterian animals, the circadian clock is intimately involved in regulating energetic metabolism. Although cnidarians exhibit diel behavioral rhythms including cycles in locomotor activity, tentacle extension and spawning, daily cycles in cnidarian metabolism have not been described. To explore...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
The Company of Biologists
2016-02-01
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| Series: | Biology Open |
| Subjects: | |
| Online Access: | http://bio.biologists.org/content/5/2/161 |
| _version_ | 1818922972486828032 |
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| author | Amy E. Maas Ian T. Jones Adam M. Reitzel Ann M. Tarrant |
| author_facet | Amy E. Maas Ian T. Jones Adam M. Reitzel Ann M. Tarrant |
| author_sort | Amy E. Maas |
| collection | DOAJ |
| description | In bilaterian animals, the circadian clock is intimately involved in regulating energetic metabolism. Although cnidarians exhibit diel behavioral rhythms including cycles in locomotor activity, tentacle extension and spawning, daily cycles in cnidarian metabolism have not been described. To explore a possible circadian metabolic cycle, we maintained the anemone Nematostella vectensis in a 12 h light/dark cycle, a reversed light cycle, or in constant darkness. Oxygen consumption rates were measured at intervals using an optical oxygen meter. Respiration rates responded to entrainment with higher rates during light periods. During a second experiment with higher temporal resolution, respiration rates peaked late in the light period. The diel pattern could be detected after six days in constant darkness. Together, our results suggest that respiration rates in Nematostella exhibit a daily cycle that may be under circadian control and that the cycle in respiration rate is not driven by the previously described nocturnal increase in locomotor activity in this species. |
| first_indexed | 2024-12-20T02:02:02Z |
| format | Article |
| id | doaj.art-ff17328c69af40a09bc70d52d4e89233 |
| institution | Directory Open Access Journal |
| issn | 2046-6390 |
| language | English |
| last_indexed | 2024-12-20T02:02:02Z |
| publishDate | 2016-02-01 |
| publisher | The Company of Biologists |
| record_format | Article |
| series | Biology Open |
| spelling | doaj.art-ff17328c69af40a09bc70d52d4e892332022-12-21T19:57:18ZengThe Company of BiologistsBiology Open2046-63902016-02-015216116410.1242/bio.013474013474Daily cycle in oxygen consumption by the sea anemone Nematostella vectensis StephensonAmy E. Maas0Ian T. Jones1Adam M. Reitzel2Ann M. Tarrant3 Biology Department, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA Biology Department, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA Department of Biological Sciences, University of North Carolina at Charlotte, Charlotte, NC 28223, USA Biology Department, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA In bilaterian animals, the circadian clock is intimately involved in regulating energetic metabolism. Although cnidarians exhibit diel behavioral rhythms including cycles in locomotor activity, tentacle extension and spawning, daily cycles in cnidarian metabolism have not been described. To explore a possible circadian metabolic cycle, we maintained the anemone Nematostella vectensis in a 12 h light/dark cycle, a reversed light cycle, or in constant darkness. Oxygen consumption rates were measured at intervals using an optical oxygen meter. Respiration rates responded to entrainment with higher rates during light periods. During a second experiment with higher temporal resolution, respiration rates peaked late in the light period. The diel pattern could be detected after six days in constant darkness. Together, our results suggest that respiration rates in Nematostella exhibit a daily cycle that may be under circadian control and that the cycle in respiration rate is not driven by the previously described nocturnal increase in locomotor activity in this species.http://bio.biologists.org/content/5/2/161CircadianCnidarianRespirometry |
| spellingShingle | Amy E. Maas Ian T. Jones Adam M. Reitzel Ann M. Tarrant Daily cycle in oxygen consumption by the sea anemone Nematostella vectensis Stephenson Biology Open Circadian Cnidarian Respirometry |
| title | Daily cycle in oxygen consumption by the sea anemone Nematostella vectensis Stephenson |
| title_full | Daily cycle in oxygen consumption by the sea anemone Nematostella vectensis Stephenson |
| title_fullStr | Daily cycle in oxygen consumption by the sea anemone Nematostella vectensis Stephenson |
| title_full_unstemmed | Daily cycle in oxygen consumption by the sea anemone Nematostella vectensis Stephenson |
| title_short | Daily cycle in oxygen consumption by the sea anemone Nematostella vectensis Stephenson |
| title_sort | daily cycle in oxygen consumption by the sea anemone nematostella vectensis stephenson |
| topic | Circadian Cnidarian Respirometry |
| url | http://bio.biologists.org/content/5/2/161 |
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