Gametophyte Thermal Priming Modifies the Transcriptomic Heat Stress Response of Sporophyte Progeny in Saccharina latissima

Anne M L Nilsen, Niko Steiner, Inka Bartsch, J Mark Cock, Alexander O Jueterbock · 2026

Read Gametophyte Thermal Priming Modifies the Transcriptomic Heat Stress Response of Sporophyte Progeny in Saccharina latissima by Anne M L Nilsen, Niko Steiner, Inka Bartsch, J Mark Cock, Alexander O Jueterbock (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/PMC13395404.txt.

Description

Anne M. L. Nilsen and colleagues test, in 2026, whether heat training in young kelp passes to the next stock. Sugar kelp builds forests on North Atlantic coasts and anchors seaweed farming in Europe. Heatwaves now threaten both wild and farmed kelp. The team warmed the tiny gametophyte stage for three weeks, then bred those plants and heat-shocked their young sporophytes.

Offspring of warmed parents answered heat with stronger gene shifts, including a heat shield gene found only in them. Their light harvesting held up longer under heat. Untrained offspring lagged, then shut many genes down during recovery. The authors read the pattern as a stress memory passed across generations. Farms might prime seed stock this way.

Catalog record

CREATORAnne M L Nilsen, Niko Steiner, Inka Bartsch, J Mark Cock, Alexander O Jueterbock
YEAR2026
COLLECTIONPAPERS
FORMATTXT
FILE SIZE56834
LICENSEhttps://creativecommons.org/licenses/by/4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/article/MED/PMC13395404

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