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Steiner, Niko; Nilsen, Anne M; Franke, Kiara; Rößler, Leonard; Salvaitis, Dominykas; Rautenberger, Ralf; Bruckner, Christian; Buer, Nikolai; Jueterbock, Alexander; Bartsch, Inka (2026): Gametogenesis and gametophyte growth of Saccharina latissima in response to gametophyte priming [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.996248, In: Steiner, N et al. (2026): Growth and biochemistry of Saccharina latissima sporophytes in response to gametophyte priming [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.996568

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Published: 2026-08-17DOI registered: 2026-09-15

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Abstract:
We examined the effect of gametophyte priming on early life stages of Saccharina latissima (gametophyte growth and sporophyte recruitment) in a laboratory experiment: We primed S. latissima gametophytes (Lofoten 2023; 15°C clonal culture; n = 7) for 3 weeks at 0°C, 10°C, and 20°C and induced gametogenesis at 10°C for 2 weeks, during which we assessed relative gametophyte growth rates (from day 0 – 5), progression of gametogenesis, and sporophyte recruitment. The laboratory experimentwas carried out at the Alfred Wegener Institute in Bremerhaven, Germany.
Keyword(s):
biochemical composition; Field experiment; Kelp; Laboratory experiment; seaweed farming; thermal priming; Transgenerational effect
Funding:
The Research Council of Norway (RCN), grant/award no. 334327: KELPRIME - Priming as a kelp engineering technology to enhance yield and secure production under environmental challenges
Coverage:
Latitude: 53.533270 * Longitude: 8.580520
Date/Time Start: 2024-01-12T00:00:00 * Date/Time End: 2024-01-26T00:00:00
Event(s):
S_latissima_priming_lab_exp  * Latitude: 53.533270 * Longitude: 8.580520 * Date/Time Start: 2024-01-12T00:00:00 * Date/Time End: 2024-01-26T00:00:00 * Method/Device: Laboratory experiment
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
Event labelEventSteiner, Niko
Type of studyStudy typeSteiner, Niko
DateDateSteiner, Niko
Day of experimentDOEdaySteiner, Niko
Treatment: temperatureT:temp°CSteiner, NikoPriming: pre-treatment of gametophytes
ReplicateReplSteiner, Niko
Gametophytes, totalGametophytes tot#/cm2Steiner, NikoCalculated from counting: Reverse microscope (CKX41SF, Olympus Corporation)
Gametophytes, female, vegetativeGametophytes f veg#/cm2Steiner, NikoCalculated from counting: Reverse microscope (CKX41SF, Olympus Corporation)
Gametophytes, female, with oogoniaGametophytes f oog#/cm2Steiner, NikoCalculated from counting: Reverse microscope (CKX41SF, Olympus Corporation)
10 Gametophytes, female, with eggsGametophytes f eggs#/cm2Steiner, NikoCalculated from counting: Reverse microscope (CKX41SF, Olympus Corporation)
11 Gametophytes, female, with sporophytesGametophytes f sporophyte#/cm2Steiner, NikoCalculated from counting: Reverse microscope (CKX41SF, Olympus Corporation)
12 Gametophytes, female, vegetativeGametophytes f veg%Steiner, Niko
13 Gametophytes, female, with oogoniaGametophytes f oog%Steiner, Niko
14 Gametophytes, female, with eggsGametophytes f eggs%Steiner, Niko
15 Gametophytes, female, with sporophytesGametophytes f sporophyte%Steiner, Niko
16 Sporophytes, totalSporophytes tot#/cm2Steiner, NikoCalculated from counting: Reverse microscope (CKX41SF, Olympus Corporation)
17 Gametophyte sizeGametophyte sizeµm2Steiner, NikoImage analysis NIH ImageJGametophyte area
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
1035 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Event

Study type

Date

DOE [day]

T:temp [°C]

Repl

Gametophytes tot [#/cm2]

Gametophytes f veg [#/cm2]

Gametophytes f oog [#/cm2]
10 
Gametophytes f eggs [#/cm2]
11 
Gametophytes f sporophyte [#/cm2]
12 
Gametophytes f veg [%]
13 
Gametophytes f oog [%]
14 
Gametophytes f eggs [%]
15 
Gametophytes f sporophyte [%]
16 
Sporophytes tot [#/cm2]
17 
Gametophyte size [µm2]
S_latissima_priming_lab_exp Laboratory experiment2024-01-12T00:00:00001434.048669.40
S_latissima_priming_lab_expLaboratory experiment2024-01-12T00:00:00002492.688266.40
S_latissima_priming_lab_expLaboratory experiment2024-01-12T00:00:00003416.677390.00
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