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ABSTRACT: The transcriptomic responses of the sugar kelp Saccharina latissima to the prolonged darkness at two temperatures

PROVIDER: PRJNA564197 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR10076767_1.fastq.gz	Fastqsanger.gz
	SRR10076767_2.fastq.gz	Fastqsanger.gz
	SRR10076768_1.fastq.gz	Fastqsanger.gz
	SRR10076768_2.fastq.gz	Fastqsanger.gz
	SRR10076769_1.fastq.gz	Fastqsanger.gz

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Temperature dependent sex-biased gene expression in the gametophytes of the kelp Saccharina latissima

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Transcriptomic responses of two population strains of the kelp Saccharina latissima to temperature and salinity changes

Project description:Transcriptomic responses of two population strains of the kelp Saccharina latissima to temperature and salinity changes

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Comparative gene expression analysis in field vs. laboratory grown sporophytes of Saccharina latissima (Phaeophyceae)

Project description:To explore possible interactive effects of UV-radiation, temperature and growth conditions, cultivated and field sporophytes of Saccharina latissima were exposed for 24h to UV-radiation at three different temperatures (2,7 & 12°C). Gene expression profiles under UV-radiation at different temperatures were assessed through microarray hybridizations, afterwards comparisons of gene expression profiles in field and culture sporophytes were carried out.

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Project description:Sporophytes of Saccharina latissima were exposed for two weeks to 12 different combinations of photosynthetically active radiation and UVR at three different temperatures (2,7,12 C). Maximum quantum yield of photosystem II was determined twice a week during the experimental duration for observing the extent of photoinhibition. For investigating molecular mechanisms of acclimation to high photosynthetically radiation, and UVR gene expression profiles were assessed through microarray hybridizations.

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Transcriptomic responses of two population strains of the kelp Saccharina latissima to temperature and salinity changes

Project description:The data is a result of a large laboratory experiment targeting interactive effects of salinity and temperature on the transcriptomic level in algae from two populations of an ecologically relevant kelp species (Laminariales), Saccharina latissima. Research interest in S. latissima has recently been increasing given its importance as ecosystem engineer along temperate rocky shores in the Atlantic Ocean, and its growing potential in industrial applications such as aquaculture, pharmaceutics, food and feed. Young sporophytes of S. latissima were raised from stock cultures of clonal male and female gametophytes at the Alfred-Wegener-Institute Helmholtz Centre for Polar and Marine Research. Cultures originated from sporophyte collected at Kongsfjorden (79°N, 11°E; Spitsbergen, Norway) and at Roscoff (48° 43′ 39″ N, 3° 59′ 13.2″ W; Brittany, France). Sporophytes of both populations were grown aerated in glass beakers at 8°C and under a photon fluence rate of 20 µmol photons m–2 s–1 of photosynthetically active radiation with a 18 h light: 6 h dark photoperiod and were cultivated in sterile seawater enriched with Provasoli (Starr & Zeikus 1993) with an absolute salinity (SA) of ~30 during three months. At the start of the experiment, sporophytes were either kept at 8°C (or transferred to 0°C and 15°C) in temperature controlled rooms. After one week, per each temperature, sporophytes were divided into a low salinity treatment of SA 20 or kept at the control salinity (SA 30).

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2018-07-17 | GSE117191 | GEO

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