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Zambounis, Antonios,Gaquerel, Emmanuel,Strittmatter, Martina,Salaun, Jean-Pierre,Potin, Philippe,Kupper, Frithjof C. The Korean Society of Phycology 2012 ALGAE Vol.27 No.1
We report an oxidative burst triggered by prostaglandin $A_2(PGA_2)$ in the brown algal kelp Laminaria digitata, constituting the first such discovery in an alga and the second finding of an oxidative burst triggered by a prostaglandin in a living organism. The response is more powerful than the oxidative burst triggered by most other chemical elicitors in Laminaria. Also, it is dose-dependent and cannot be inhibited by diphenylene iodonium, suggesting that another source than NAD(P)H oxidase is operational in the production of reactive oxygen species. Despite the very strong oxidative response, rather few effects at other levels of signal transduction pathways could be identified. $PGA_2$ does not increase lipolysis (free fatty acids) in Laminaria, and only one oxylipin (15-hydroxyeicosatetraenoic acid; 15-HETE) was found to be upregulated in Laminaria. In a subsequent set of experiments in the genome model Ectocarpus siliculosus, none of 5 selected candidate genes, all established participants in various stress responses, showed any significant differences in their expression profiles.
Antonios Zambounis,Emmanuel Gaquerel,Martina Strittmatter,Jean-Pierre Salaün,Philippe Potin,Frithjof C. Küpper 한국조류학회I 2012 ALGAE Vol.27 No.1
We report an oxidative burst triggered by prostaglandin A2 (PGA2) in the brown algal kelp Laminaria digitata, constituting the first such discovery in an alga and the second finding of an oxidative burst triggered by a prostaglandin in a living organism. The response is more powerful than the oxidative burst triggered by most other chemical elicitors in Laminaria. Also, it is dose-dependent and cannot be inhibited by diphenylene iodonium, suggesting that another source than NAD(P)H oxidase is operational in the production of reactive oxygen species. Despite the very strong oxidative response, rather few effects at other levels of signal transduction pathways could be identified. PGA2 does not increase lipolysis (free fatty acids) in Laminaria, and only one oxylipin (15-hydroxyeicosatetraenoic acid; 15-HETE) was found to be upregulated in Laminaria. In a subsequent set of experiments in the genome model Ectocarpus siliculosus, none of 5selected candidate genes, all established participants in various stress responses, showed any significant differences in their expression profiles.
Novel species of the oomycete Olpidiopsis potentially threaten European red algal cultivation
Badis, Yacine,Klochkova, Tatyana A.,Strittmatter, Martina,Garvetto, Andrea,Murú,a, Pedro,Sanderson, J. Craig,Kim, Gwang Hoon,Gachon, Claire M. M. Springer-Verlag 2019 Journal of applied phycology Vol.31 No.2
Genomics of brown algae: current advances and future prospects
J. Mark Cock,Alok Arun,Olivier Godfroy,Nicolas Macaisne,Martina Strittmatter,Akira F. Peters,Susana M. Coelho 한국유전학회 2012 Genes & Genomics Vol.34 No.1
The analysis of the complete genome sequence of the filamentous brown alga Ectocarpus provided many new insights into brown algal biology and has improved our understanding of how this organism has adapted to its seashore environment. Since the publication of the genome sequence in 2010, numerous studies have continued the analysis of the constituent genes or have combined genome data with experimental work,allowing progress in several key areas, including metabolism and reproductive biology. Ectocarpus will continue to be exploited as a model organism in future years, but genomic approaches should also be extended to additional brown algal species in order to fully exploit the diversity of this phylogenetic group and to facilitate the application of new knowledge to economically important seaweeds such as kelps.