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Diehl N, Li H, Scheschonk L, Burgunter-Delamare B, Niedzwiedz S, Forbord S, Sæther M, Bischof K, Monteiro C. The sugar kelp Saccharina latissima I: recent advances in a changing climate. ANNALS OF BOTANY 2024; 133:183-212. [PMID: 38109285 PMCID: PMC10921839 DOI: 10.1093/aob/mcad173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 09/26/2023] [Accepted: 11/07/2023] [Indexed: 12/20/2023]
Abstract
BACKGROUND The sugar kelp Saccharina latissima is a Laminariales species widely distributed in the Northern Hemisphere. Its physiology and ecology have been studied since the 1960s, given its ecological relevance on western temperate coasts. However, research interest has been rising recently, driven mainly by reports of negative impacts of anthropogenically induced environmental change and by the increased commercial interest in cultivating the species, with several industrial applications for the resulting biomass. SCOPE We used a variety of sources published between 2009 to May 2023 (but including some earlier literature where required), to provide a comprehensive review of the ecology, physiology, biochemical and molecular biology of S. latissima. In so doing we aimed to better understand the species' response to stressors in natural communities, but also inform the sustainable cultivation of the species. CONCLUSION Due to its wide distribution, S. latissima has developed a variety of physiological and biochemical mechanisms to adjust to environmental changes, including adjustments in photosynthetic parameters, modulation of osmolytes and antioxidants, reprogramming of gene expression and epigenetic modifications, among others summarized in this review. This is particularly important because massive changes in the abundance and distribution of S. latissima have already been observed. Namely, presence and abundance of S. latissima has significantly decreased at the rear edges on both sides of the Atlantic, and increased in abundance at the polar regions. These changes were mainly caused by climate change and will therefore be increasingly evident in the future. Recent developments in genomics, transcriptomics and epigenomics have clarified the existence of genetic differentiation along its distributional range with implications in the fitness at some locations. The complex biotic and abiotic interactions unraveled here demonstrated the cascading effects the disappearance of a kelp forest can have in a marine ecosystem. We show how S. latissima is an excellent model to study acclimation and adaptation to environmental variability and how to predict future distribution and persistence under climate change.
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Affiliation(s)
- Nora Diehl
- Marine Botany, Faculty of Biology and Chemistry, University of Bremen, 28359 Bremen, Germany
| | - Huiru Li
- Key Laboratory of Mariculture (Ministry of Education), Fisheries College, Ocean University of China, Qingdao 266003, China
| | | | - Bertille Burgunter-Delamare
- Matthias Schleiden Institute of Genetics, Bioinformatics and Molecular Botany, Friedrich Schiller University Jena, 07743 Jena, Germany
| | - Sarina Niedzwiedz
- Marine Botany, Faculty of Biology and Chemistry, University of Bremen, 28359 Bremen, Germany
| | - Silje Forbord
- Department of Fisheries and New Biomarine Industry, SINTEF Ocean AS, 7465 Trondheim, Norway
| | - Maren Sæther
- Seaweed Solutions AS, Bynesveien 50C, 7018 Trondheim, Norway
| | - Kai Bischof
- Marine Botany, Faculty of Biology and Chemistry, University of Bremen, 28359 Bremen, Germany
| | - Catia Monteiro
- CIBIO, Research Centre in Biodiversity and Genetic Resources – InBIO Associate Laboratory, Campus of Vairão, University of Porto, Vairão, Portugal
- BIOPOLIS Program in Genomics, Biodiversity and Land Planning, CIBIO, Campus of Vairão, Vairão, Portugal
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Scheschonk L, Bischof K, Kopp MEL, Jueterbock A. Differences by origin in methylome suggest eco-phenotypes in the kelp Saccharina latissima. Evol Appl 2023; 16:262-278. [PMID: 36793679 PMCID: PMC9923482 DOI: 10.1111/eva.13382] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 03/25/2022] [Accepted: 03/31/2022] [Indexed: 11/29/2022] Open
Abstract
Most kelp species are of high ecological and economic importance worldwide, but are highly susceptible to rising ocean temperatures due to their sessile lifestyle. Due to interference with reproduction, development and growth, natural kelp forests have vanished in multiple regions after extreme summer heat waves. Furthermore, increasing temperatures are likely to decrease biomass production and, thus, reduce production security of farmed kelp. Epigenetic variation, and cytosine methylation as a heritable epigenetic trait, is a rapid means of acclimation and adaptation to environmental conditions, including temperature. While the first methylome of brown macroalgae has been recently described in the kelp Saccharina japonica, its functional relevance and contribution to environmental acclimation is currently unknown. The main objective of our study was to identify the importance of the methylome in the congener kelp species Saccharina latissima for temperature acclimation. Our study is the first to compare DNA methylation in kelp between wild populations of different latitudinal origin, and the first to investigate the effect of cultivation and rearing temperature on genome-wide cytosine methylation. Origin appears to determine many traits in kelp, but it is unknown to what extent the effects of thermal acclimation may be overruled by lab-related acclimation. Our results suggest that seaweed hatchery conditions have strong effects on the methylome and, thus, putatively on the epigenetically controlled characteristics of young kelp sporophytes. However, culture origin could best explain epigenetic differences in our samples suggesting that epigenetic mechanisms contribute to local adaptation of eco-phenotypes. Our study is a first step to understand whether DNA methylation marks (via their effect on gene regulation) may be used as biological regulators to enhance production security and kelp restoration success under rising temperatures, and highlights the importance to match hatchery conditions to origin.
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Affiliation(s)
| | - Kai Bischof
- Marine Botany & MARUM University of Bremen Bremen Germany
| | | | - Alexander Jueterbock
- Algal and Microbial Biotechnology Division Faculty of Biosciences and Aquaculture Nord University Bodø Norway
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Bringloe TT, Fort A, Inaba M, Sulpice R, Ghriofa CN, Mols‐Mortensen A, Filbee‐Dexter K, Vieira C, Kawai H, Hanyuda T, Krause‐Jensen D, Olesen B, Starko S, Verbruggen H. Whole genome population structure of North Atlantic kelp confirms high-latitude glacial refugia. Mol Ecol 2022; 31:6473-6488. [PMID: 36200326 PMCID: PMC10091776 DOI: 10.1111/mec.16714] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 09/21/2022] [Indexed: 01/13/2023]
Abstract
Coastal refugia during the Last Glacial Maximum (~21,000 years ago) have been hypothesized at high latitudes in the North Atlantic, suggesting marine populations persisted through cycles of glaciation and are potentially adapted to local environments. Here, whole-genome sequencing was used to test whether North Atlantic marine coastal populations of the kelp Alaria esculenta survived in the area of southwestern Greenland during the Last Glacial Maximum. We present the first annotated genome for A. esculenta and call variant positions in 54 individuals from populations in Atlantic Canada, Greenland, Faroe Islands, Norway and Ireland. Differentiation across populations was reflected in ~1.9 million single nucleotide polymorphisms, which further revealed mixed ancestry in the Faroe Islands individuals between putative Greenlandic and European lineages. Time-calibrated organellar phylogenies suggested Greenlandic populations were established during the last interglacial period more than 100,000 years ago, and that the Faroe Islands population was probably established following the Last Glacial Maximum. Patterns in population statistics, including nucleotide diversity, minor allele frequencies, heterozygosity and linkage disequilibrium decay, nonetheless suggested glaciation reduced Canadian Atlantic and Greenlandic populations to small effective sizes during the most recent glaciation. Functional differentiation was further reflected in exon read coverage, which revealed expansions unique to Greenland in 337 exons representing 162 genes, and a modest degree of exon loss (103 exons from 56 genes). Altogether, our genomic results provide strong evidence that A. esculenta populations were resilient to past climatic fluctuations related to glaciations and that high-latitude populations are potentially already adapted to local conditions as a result.
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Affiliation(s)
| | - Antoine Fort
- Plant Systems Biology Lab, Ryan Institute, SFI MaREI Centre for Climate, Energy and Marine, School of Natural SciencesNational University of Ireland GalwayGalwayIreland
- Present address:
Department of Life and Physical SciencesAthlone Institute of TechnologyAthloneIreland
| | - Masami Inaba
- Plant Systems Biology Lab, Ryan Institute, SFI MaREI Centre for Climate, Energy and Marine, School of Natural SciencesNational University of Ireland GalwayGalwayIreland
| | - Ronan Sulpice
- Plant Systems Biology Lab, Ryan Institute, SFI MaREI Centre for Climate, Energy and Marine, School of Natural SciencesNational University of Ireland GalwayGalwayIreland
| | - Cliodhna Ní Ghriofa
- Business Development ManagerMarine Innovation Development Centre Páirc Na MaraGalwayIreland
| | | | - Karen Filbee‐Dexter
- School of Biological Sciences and UWA Oceans InstituteUniversity of Western AustraliaPerthWestern AustraliaAustralia
| | - Christophe Vieira
- Kobe University Research Center for Inland SeasKobe UniversityKobeJapan
| | - Hiroshi Kawai
- Kobe University Research Center for Inland SeasKobe UniversityKobeJapan
| | - Takeaki Hanyuda
- School of Marine BiosciencesKitasato UniversitySagamiharaJapan
| | - Dorte Krause‐Jensen
- Department of EcoscienceAarhus UniversityAarhusDenmark
- Arctic Research CenterAarhus UniversityAarhusDenmark
| | | | - Samuel Starko
- Department of BiologyUniversity of VictoriaVictoriaCanada
| | - Heroen Verbruggen
- School of BioSciencesUniversity of MelbourneParkvilleVictoriaAustralia
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Guzinski J, Ruggeri P, Ballenghien M, Mauger S, Jacquemin B, Jollivet C, Coudret J, Jaugeon L, Destombe C, Valero M. Seascape Genomics of the Sugar Kelp Saccharina latissima along the North Eastern Atlantic Latitudinal Gradient. Genes (Basel) 2020; 11:E1503. [PMID: 33322137 PMCID: PMC7763533 DOI: 10.3390/genes11121503] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Revised: 12/08/2020] [Accepted: 12/09/2020] [Indexed: 12/23/2022] Open
Abstract
Temperature is one of the most important range-limiting factors for many seaweeds. Driven by the recent climatic changes, rapid northward shifts of species' distribution ranges can potentially modify the phylogeographic signature of Last Glacial Maximum. We explored this question in detail in the cold-tolerant kelp species Saccharina latissima, using microsatellites and double digest restriction site-associated DNA sequencing ( ddRAD-seq) derived single nucleotide polymorphisms (SNPs) to analyze the genetic diversity and structure in 11 sites spanning the entire European Atlantic latitudinal range of this species. In addition, we checked for statistical correlation between genetic marker allele frequencies and three environmental proxies (sea surface temperature, salinity, and water turbidity). Our findings revealed that genetic diversity was significantly higher for the northernmost locality (Spitsbergen) compared to the southern ones (Northern Iberia), which we discuss in light of the current state of knowledge on phylogeography of S. latissima and the potential influence of the recent climatic changes on the population structure of this species. Seven SNPs and 12 microsatellite alleles were found to be significantly associated with at least one of the three environmental variables. We speculate on the putative adaptive functions of the genes associated with the outlier markers and the importance of these markers for successful conservation and aquaculture strategies for S. latissima in this age of rapid global change.
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Affiliation(s)
- Jaromir Guzinski
- UMI EBEA 3614, Evolutionary Biology and Ecology of Algae, CNRS, Sorbonne Université, UC, UACH, Station Biologique de Roscoff, CS 90074, Place Georges Teissier, 29688 Roscoff CEDEX, France; (J.G.); (P.R.); (M.B.); (S.M.); (B.J.); (C.J.); (J.C.); (L.J.); (C.D.)
- Department of Bacteriology, Animal and Plant Health Agency, Addlestone KT15 3NB, Surrey, UK
| | - Paolo Ruggeri
- UMI EBEA 3614, Evolutionary Biology and Ecology of Algae, CNRS, Sorbonne Université, UC, UACH, Station Biologique de Roscoff, CS 90074, Place Georges Teissier, 29688 Roscoff CEDEX, France; (J.G.); (P.R.); (M.B.); (S.M.); (B.J.); (C.J.); (J.C.); (L.J.); (C.D.)
- Xelect ltd, Horizon House, Abbey Walk, St Andrews KY16 9LB, Scotland, UK
| | - Marion Ballenghien
- UMI EBEA 3614, Evolutionary Biology and Ecology of Algae, CNRS, Sorbonne Université, UC, UACH, Station Biologique de Roscoff, CS 90074, Place Georges Teissier, 29688 Roscoff CEDEX, France; (J.G.); (P.R.); (M.B.); (S.M.); (B.J.); (C.J.); (J.C.); (L.J.); (C.D.)
- UMR 7144, Adaptation et Diversité en Milieu Marin, CNRS, Sorbonne Université, Station Biologique de Roscoff, CS 90074, Place Georges Teissier, 29688 Roscoff CEDEX, France
| | - Stephane Mauger
- UMI EBEA 3614, Evolutionary Biology and Ecology of Algae, CNRS, Sorbonne Université, UC, UACH, Station Biologique de Roscoff, CS 90074, Place Georges Teissier, 29688 Roscoff CEDEX, France; (J.G.); (P.R.); (M.B.); (S.M.); (B.J.); (C.J.); (J.C.); (L.J.); (C.D.)
| | - Bertrand Jacquemin
- UMI EBEA 3614, Evolutionary Biology and Ecology of Algae, CNRS, Sorbonne Université, UC, UACH, Station Biologique de Roscoff, CS 90074, Place Georges Teissier, 29688 Roscoff CEDEX, France; (J.G.); (P.R.); (M.B.); (S.M.); (B.J.); (C.J.); (J.C.); (L.J.); (C.D.)
- CEVA, 83 Presqu’île de Pen Lan, 22610 Pleubian, France
| | - Chloe Jollivet
- UMI EBEA 3614, Evolutionary Biology and Ecology of Algae, CNRS, Sorbonne Université, UC, UACH, Station Biologique de Roscoff, CS 90074, Place Georges Teissier, 29688 Roscoff CEDEX, France; (J.G.); (P.R.); (M.B.); (S.M.); (B.J.); (C.J.); (J.C.); (L.J.); (C.D.)
- Ecole polytechnique de Lausanne (EPFL), SV-IBI UPOATES, Route cantonale, CH-1015 Lausanne, Switzerland
| | - Jerome Coudret
- UMI EBEA 3614, Evolutionary Biology and Ecology of Algae, CNRS, Sorbonne Université, UC, UACH, Station Biologique de Roscoff, CS 90074, Place Georges Teissier, 29688 Roscoff CEDEX, France; (J.G.); (P.R.); (M.B.); (S.M.); (B.J.); (C.J.); (J.C.); (L.J.); (C.D.)
| | - Lucie Jaugeon
- UMI EBEA 3614, Evolutionary Biology and Ecology of Algae, CNRS, Sorbonne Université, UC, UACH, Station Biologique de Roscoff, CS 90074, Place Georges Teissier, 29688 Roscoff CEDEX, France; (J.G.); (P.R.); (M.B.); (S.M.); (B.J.); (C.J.); (J.C.); (L.J.); (C.D.)
| | - Christophe Destombe
- UMI EBEA 3614, Evolutionary Biology and Ecology of Algae, CNRS, Sorbonne Université, UC, UACH, Station Biologique de Roscoff, CS 90074, Place Georges Teissier, 29688 Roscoff CEDEX, France; (J.G.); (P.R.); (M.B.); (S.M.); (B.J.); (C.J.); (J.C.); (L.J.); (C.D.)
| | - Myriam Valero
- UMI EBEA 3614, Evolutionary Biology and Ecology of Algae, CNRS, Sorbonne Université, UC, UACH, Station Biologique de Roscoff, CS 90074, Place Georges Teissier, 29688 Roscoff CEDEX, France; (J.G.); (P.R.); (M.B.); (S.M.); (B.J.); (C.J.); (J.C.); (L.J.); (C.D.)
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