Philippe Potin
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View article: A duo of fungi and complex and dynamic bacterial community networks contribute to shape the <i>Ascophyllum nodosum</i> holobiont
A duo of fungi and complex and dynamic bacterial community networks contribute to shape the <i>Ascophyllum nodosum</i> holobiont Open
The brown alga Ascophyllum nodosum and its microbiota form a dynamic functional entity named holobiont. Some microbial partners may play a role in seaweed health through bioactive compounds crucial for normal morphology, development, and p…
View article: Wild and farmed<i>Saccharina latissima</i>in Europe: genetic insights for sustainable cultivation, traceability and environmental challenges
Wild and farmed<i>Saccharina latissima</i>in Europe: genetic insights for sustainable cultivation, traceability and environmental challenges Open
Kelp cultivation is expanding rapidly worldwide, although the aquaculture of Saccharina latissima (sugar kelp) in Europe remains in its early stages. However, major concerns have emerged about the potential impact of selected cultivars of …
View article: Evolutionary genomics of the emergence of brown algae as key components of coastal ecosystems
Evolutionary genomics of the emergence of brown algae as key components of coastal ecosystems Open
Brown seaweeds are keystone species of coastal ecosystems, often forming extensive underwater forests, and are under considerable threat from climate change. In this study, analysis of multiple genomes has provided insights across the enti…
View article: A review on the chemical ecology of the Fucaceae holobionts: from fundamental knowledge to applications
A review on the chemical ecology of the Fucaceae holobionts: from fundamental knowledge to applications Open
In recent years, the use of brown seaweeds (Phaeophyceae) and especially Fucaceae, has increased for a variety of applications including food additives, nutraceuticals, cosmetics, and agriculture, mainly because most edible brown algae con…
View article: Pan-Atlantic connectivity of marine biogeochemical and ecological processes and the impact of anthropogenic pressures
Pan-Atlantic connectivity of marine biogeochemical and ecological processes and the impact of anthropogenic pressures Open
B. Quack, D. Arevalo, H. Bange, K. Becker, W. Böhme, D. Booge, A. Engel, H. Hepach, R. Ingeniero, J. Karnatz, C. Marandino, T. Müller, B. Pontiller, L. Scheidemann, M. Hieronymi, R. Röttgers, G. Schulz, T. Bösch, M. Latsch, F. Wittrock, R.…
View article: Evolutionary genomics of the emergence of brown algae as key components of coastal ecosystems
Evolutionary genomics of the emergence of brown algae as key components of coastal ecosystems Open
SUMMARY Brown seaweeds are keystone species of coastal ecosystems, often forming extensive underwater forests, that are under considerable threat from climate change. Despite their ecological and evolutionary importance, this phylogenetic …
View article: Aldehyde perception induces specific molecular responses in <i>Laminaria digitata</i> and affects algal consumption by a specialist grazer
Aldehyde perception induces specific molecular responses in <i>Laminaria digitata</i> and affects algal consumption by a specialist grazer Open
SUMMARY In the marine environment, distance signaling based on water‐borne cues occurs during interactions between macroalgae and herbivores. In the brown alga Laminaria digitata from North‐Atlantic Brittany, oligoalginates elicitation or …
View article: The Rhodoexplorer Platform for Red Algal Genomics and Whole-Genome Assemblies for Several <i>Gracilaria</i> Species
The Rhodoexplorer Platform for Red Algal Genomics and Whole-Genome Assemblies for Several <i>Gracilaria</i> Species Open
Macroalgal (seaweed) genomic resources are generally lacking as compared with other eukaryotic taxa, and this is particularly true in the red algae (Rhodophyta). Understanding red algal genomes is critical to understanding eukaryotic evolu…
View article: THE RHODOEXPLORER PLATFORM FOR RED ALGAL GENOMICS AND WHOLE GENOME ASSEMBLIES FOR SEVERAL GRACILARIA SPECIES
THE RHODOEXPLORER PLATFORM FOR RED ALGAL GENOMICS AND WHOLE GENOME ASSEMBLIES FOR SEVERAL GRACILARIA SPECIES Open
Macroalgal (seaweed) genomic resources are generally lacking as compared to other eukaryotic taxa, and this is particularly true in the red algae (Rhodophyta). Understanding red algal genomes is critical to understanding eukaryotic evoluti…
View article: Halocarbon dynamics from Las Palmas to Guayaquil in winter 2021/2022 – Results of SO287-CONNECT
Halocarbon dynamics from Las Palmas to Guayaquil in winter 2021/2022 – Results of SO287-CONNECT Open
Short-lived bromo-, chloro- and iodocarbons from marine and anthropogenic sources contribute to the atmospheric halogen budgets and to ozone depletion in the troposphere and stratosphere. Their spatial variations are poorly known, given th…
View article: The seaweed revolution during 150 years at Station Biologique de Roscoff
The seaweed revolution during 150 years at Station Biologique de Roscoff Open
During 150 years, research at Station Biologique de Roscoff (SBR) has led to breakthroughs in the understanding of seaweed biology, ecology, systematics, biochemistry, genetics, and biotechnology. The possibility in staying in Roscoff to i…
View article: Synergistic effects of temperature and light affect the relationship between <scp> <i>Taonia atomaria</i> </scp> and its epibacterial community: a controlled conditions study
Synergistic effects of temperature and light affect the relationship between <span> <i>Taonia atomaria</i> </span> and its epibacterial community: a controlled conditions study Open
Summary In the context of global warming, this study aimed to assess the effect of temperature and irradiance on the macroalgal Taonia atomaria holobiont dynamics. We developed an experimental set‐up using aquaria supplied by natural seawa…
View article: Seaweeds and microalgae: an overview for unlocking their potential in global aquaculture development
Seaweeds and microalgae: an overview for unlocking their potential in global aquaculture development Open
Algae, including seaweeds and microalgae, contribute nearly 30 percent of world aquaculture production (measured in wet weight), primarily from seaweeds. Seaweeds and cmicroalgae generate socio-economic benefits to tens of thousands of hou…
View article: Exhaustive reanalysis of barcode sequences from public repositories highlights ongoing misidentifications and impacts taxa diversity and distribution
Exhaustive reanalysis of barcode sequences from public repositories highlights ongoing misidentifications and impacts taxa diversity and distribution Open
Accurate species identification often relies on public repositories to compare the barcode sequences of the investigated individual(s) with taxonomically assigned sequences. However, the accuracy of identifications in public repositories i…
View article: A sequencing-free assay for foliose Ulva species identification, hybrid detection and bulk biomass characterisation
A sequencing-free assay for foliose Ulva species identification, hybrid detection and bulk biomass characterisation Open
Sea Lettuce (Ulva spp. Ulvophyceae, Ulvaceae) has tremendous ecological and industrial impacts, from the negative effects of green tide events to the industrial production of food, feed, and value-added products. Due to the morphological s…
View article: A Novel Protein from Ectocarpus sp. Improves Salinity and High Temperature Stress Tolerance in Arabidopsis thaliana
A Novel Protein from Ectocarpus sp. Improves Salinity and High Temperature Stress Tolerance in Arabidopsis thaliana Open
Brown alga Ectocarpus sp. belongs to Phaeophyceae, a class of macroalgae that evolved complex multicellularity. Ectocarpus sp. is a dominant seaweed in temperate regions, abundant mostly in the intertidal zones, an environment with high le…
View article: Biochemical characteristics of a diffusible factor that induces gametophyte to sporophyte switching in the brown alga <i>Ectocarpus</i>
Biochemical characteristics of a diffusible factor that induces gametophyte to sporophyte switching in the brown alga <i>Ectocarpus</i> Open
The haploid‐diploid life cycle of the filamentous brown alga Ectocarpus involves alternation between two independent and morphologically distinct multicellular generations, the sporophyte and the gametophyte. Deployment of the sporophyte d…
View article: Low Mannitol Concentrations in Arabidopsis thaliana Expressing Ectocarpus Genes Improve Salt Tolerance
Low Mannitol Concentrations in Arabidopsis thaliana Expressing Ectocarpus Genes Improve Salt Tolerance Open
Mannitol is abundant in a wide range of organisms, playing important roles in biotic and abiotic stress responses. Nonetheless, mannitol is not produced by a vast majority of plants, including many important crop plants. Mannitol-producing…
View article: Foliose <i>Ulva</i> Species Show Considerable Inter‐Specific Genetic Diversity, Low Intra‐Specific Genetic Variation, and the Rare Occurrence of Inter‐Specific Hybrids in the Wild
Foliose <i>Ulva</i> Species Show Considerable Inter‐Specific Genetic Diversity, Low Intra‐Specific Genetic Variation, and the Rare Occurrence of Inter‐Specific Hybrids in the Wild Open
Foliose Ulva spp. have become increasingly important worldwide for their environmental and financial impacts. A large number of such Ulva species have rapid reproduction and proliferation habits, which explains why they are responsible for…
View article: Isoprostanoid Profiling of Marine Microalgae
Isoprostanoid Profiling of Marine Microalgae Open
Algae result from a complex evolutionary history that shapes their metabolic network. For example, these organisms can synthesize different polyunsaturated fatty acids, such as those found in land plants and oily fish. Due to the presence …
View article: RNA-seq provides molecular insights into interaction modification in simplified microbial community
RNA-seq provides molecular insights into interaction modification in simplified microbial community Open
A major challenge in microbial ecology is to understand the stability of interspecies interactions when progressing from pairs of interacting species to multispecies interaction networks. A lack of direct evidence, and a conceptual framewo…
View article: Production and Bioassay of a Diffusible Factor That Induces Gametophyte-to-Sporophyte Developmental Reprogramming in the Brown Alga Ectocarpus
Production and Bioassay of a Diffusible Factor That Induces Gametophyte-to-Sporophyte Developmental Reprogramming in the Brown Alga Ectocarpus Open
The brown alga Ectocarpus has a haploid-diploid life cycle that involves alternation between two multicellular generations, the sporophyte and the gametophyte. Life cycle generation is not determined by ploidy but by a genetic system that …