Transgenerational plasticity in marine sticklebacks: maternal thermal environment matters most
Transgenerational plasticity is a potentially powerful mechanism for species to cope with rapid environmental change. A few recent studies have shown that these non-genetic parental effects can facilitate acclimation to environmental stressors such as increased temperature and ocean acidification ac...
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ftawi:oai:epic.awi.de:32414 2024-09-15T18:28:16+00:00 Transgenerational plasticity in marine sticklebacks: maternal thermal environment matters most Shama, Lisa Wegner, Mathias 2012-09-18 https://epic.awi.de/id/eprint/32414/ https://hdl.handle.net/10013/epic.41015 unknown Shama, L. orcid:0000-0002-9017-9950 and Wegner, M. orcid:0000-0002-2410-8898 (2012) Transgenerational plasticity in marine sticklebacks: maternal thermal environment matters most , Evolutionary potential in marine populations Workshop, AWI Waddensea Station Sylt, Germany, 17 September 2012 - 21 September 2012 . hdl:10013/epic.41015 EPIC3Evolutionary potential in marine populations Workshop, AWI Waddensea Station Sylt, Germany, 2012-09-17-2012-09-21 Conference notRev 2012 ftawi 2024-06-24T04:06:16Z Transgenerational plasticity is a potentially powerful mechanism for species to cope with rapid environmental change. A few recent studies have shown that these non-genetic parental effects can facilitate acclimation to environmental stressors such as increased temperature and ocean acidification across generations. Yet, the relative contribution of maternal vs. paternal effects is not well understood. In this study, we crossed adult marine sticklebacks held for 2 months at two experimental temperatures (17°C and 21°C) to produce egg clutches in 4 crossing groups: 17mx17f, 17mx21f, 21fx17m, and 21mx21m. Egg clutches were then split and reared at either 17°C or 21°C. In addition to egg number and hatching success, offspring growth rate was measured when fish were 30 and 60 days old. We found that growth rates were highest in offspring reared at the same experimental temperature their mother experienced, and that paternal thermal environment contributed little to offspring growth performance. After 30 days, mean growth rates did not significantly differ between experimental temperatures. However, after 60 days, we saw a marked relative increase in growth for fish reared at 17°C, indicating that the optimal thermal growth threshold for marine sticklebacks lies below 21°C. This pattern also was reflected in hatching success but not in egg number, suggesting that detrimental effects of higher temperatures begin in early developmental stages and persist into later stages, as 21°C offspring showed a lower overall growth trajectory. Conference Object Ocean acidification Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
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Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
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Transgenerational plasticity is a potentially powerful mechanism for species to cope with rapid environmental change. A few recent studies have shown that these non-genetic parental effects can facilitate acclimation to environmental stressors such as increased temperature and ocean acidification across generations. Yet, the relative contribution of maternal vs. paternal effects is not well understood. In this study, we crossed adult marine sticklebacks held for 2 months at two experimental temperatures (17°C and 21°C) to produce egg clutches in 4 crossing groups: 17mx17f, 17mx21f, 21fx17m, and 21mx21m. Egg clutches were then split and reared at either 17°C or 21°C. In addition to egg number and hatching success, offspring growth rate was measured when fish were 30 and 60 days old. We found that growth rates were highest in offspring reared at the same experimental temperature their mother experienced, and that paternal thermal environment contributed little to offspring growth performance. After 30 days, mean growth rates did not significantly differ between experimental temperatures. However, after 60 days, we saw a marked relative increase in growth for fish reared at 17°C, indicating that the optimal thermal growth threshold for marine sticklebacks lies below 21°C. This pattern also was reflected in hatching success but not in egg number, suggesting that detrimental effects of higher temperatures begin in early developmental stages and persist into later stages, as 21°C offspring showed a lower overall growth trajectory. |
format |
Conference Object |
author |
Shama, Lisa Wegner, Mathias |
spellingShingle |
Shama, Lisa Wegner, Mathias Transgenerational plasticity in marine sticklebacks: maternal thermal environment matters most |
author_facet |
Shama, Lisa Wegner, Mathias |
author_sort |
Shama, Lisa |
title |
Transgenerational plasticity in marine sticklebacks: maternal thermal environment matters most |
title_short |
Transgenerational plasticity in marine sticklebacks: maternal thermal environment matters most |
title_full |
Transgenerational plasticity in marine sticklebacks: maternal thermal environment matters most |
title_fullStr |
Transgenerational plasticity in marine sticklebacks: maternal thermal environment matters most |
title_full_unstemmed |
Transgenerational plasticity in marine sticklebacks: maternal thermal environment matters most |
title_sort |
transgenerational plasticity in marine sticklebacks: maternal thermal environment matters most |
publishDate |
2012 |
url |
https://epic.awi.de/id/eprint/32414/ https://hdl.handle.net/10013/epic.41015 |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_source |
EPIC3Evolutionary potential in marine populations Workshop, AWI Waddensea Station Sylt, Germany, 2012-09-17-2012-09-21 |
op_relation |
Shama, L. orcid:0000-0002-9017-9950 and Wegner, M. orcid:0000-0002-2410-8898 (2012) Transgenerational plasticity in marine sticklebacks: maternal thermal environment matters most , Evolutionary potential in marine populations Workshop, AWI Waddensea Station Sylt, Germany, 17 September 2012 - 21 September 2012 . hdl:10013/epic.41015 |
_version_ |
1810469612112838656 |