Heat resilience of intraspecific outbred compared to inbred lineages in the kelp Laminaria digitata: gametogenesis, thermal tolerance and growth
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| Natura: | Dataset Open Access |
| Lingua: | en |
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PANGAEA
2022
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| _version_ | 1867171878324404224 |
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| author | Liesner, Daniel Pearson, Gareth Bartsch, Inka Rana, Shivani Harms, Lars Heinrich, Sandra Bischof, Kai Glöckner, Gernot Valentin, Klaus |
| author_facet | Liesner, Daniel Pearson, Gareth Bartsch, Inka Rana, Shivani Harms, Lars Heinrich, Sandra Bischof, Kai Glöckner, Gernot Valentin, Klaus |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | In a mechanistic investigation of heat stress, heterosis (hybrid vigour), and underlying gene expression patterns, we assessed the thermal performance of inbred (selfings) and outbred (reciprocal crosses) sporophytes of the N-Atlantic kelp Laminaria digitata among clonal isolates from two divergent populations; one from the temperate North Sea (Helgoland) and one from the Arctic (Spitsbergen). First, we investigated the upper thermal tolerance of microscopic sporophytes in a 14-day experiment applying sublethal to lethal 20–23°C. We then subjected 4–7 cm long sporophytes to a control temperature (10°C), moderate (19°C) and sublethal to lethal heat stress (20.5°C) for 18 days to assess the physiological parameters growth and optimum quantum yield. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_940559 |
| institution | PANGAEA |
| language | en |
| publishDate | 2022 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Heat resilience of intraspecific outbred compared to inbred lineages in the kelp Laminaria digitata: gametogenesis, thermal tolerance and growth Liesner, Daniel Pearson, Gareth Bartsch, Inka Rana, Shivani Harms, Lars Heinrich, Sandra Bischof, Kai Glöckner, Gernot Valentin, Klaus Arctic; Biological sample; BIOS; gametogenesis; growth; Helgoland__Campaign; Helgoland_L_digitata_culture; Laboratory experiment; Marine Station Helgoland; North Sea; quantum yield; Spitsbergen_L_digitata_culture; Survival; Temperate In a mechanistic investigation of heat stress, heterosis (hybrid vigour), and underlying gene expression patterns, we assessed the thermal performance of inbred (selfings) and outbred (reciprocal crosses) sporophytes of the N-Atlantic kelp Laminaria digitata among clonal isolates from two divergent populations; one from the temperate North Sea (Helgoland) and one from the Arctic (Spitsbergen). First, we investigated the upper thermal tolerance of microscopic sporophytes in a 14-day experiment applying sublethal to lethal 20–23°C. We then subjected 4–7 cm long sporophytes to a control temperature (10°C), moderate (19°C) and sublethal to lethal heat stress (20.5°C) for 18 days to assess the physiological parameters growth and optimum quantum yield. |
| title | Heat resilience of intraspecific outbred compared to inbred lineages in the kelp Laminaria digitata: gametogenesis, thermal tolerance and growth |
| topic | Arctic; Biological sample; BIOS; gametogenesis; growth; Helgoland__Campaign; Helgoland_L_digitata_culture; Laboratory experiment; Marine Station Helgoland; North Sea; quantum yield; Spitsbergen_L_digitata_culture; Survival; Temperate |
| url | https://doi.org/10.1594/PANGAEA.940559 |