A vast number of artificial marine structures are currently installed offshore, and the rate of new installation is increasing. Especially offshore wind farms, a sub-type of artificial marine structures, are expected to grow significantly due to ambitious installation targets from international decision-makers. With increasing numbers of installed artificial marine structures, an assessment of possible adverse effects is more important than ever. To improve the environmental friendliness of artificial marine structures, an in-depth assessment of the transport and environmental fate of particle emissions is needed. The present work provides an overview of the involved processes of particle transport in the marine environment using the example of an offshore wind turbine. In this work, a first estimation on emission quantities is given for particulate emissions from marine structures, from which it is evident that emissions will increase in the next years due to an increasing number of marine structures.
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http://dx.doi.org/10.1016/j.marpolbul.2025.117728 | DOI Listing |
Phytopathology
March 2025
Mendel University in Brno, Phytophthora Research Centre, Department of Forest Protection and Wildlife Management, Faculty of Forestry and Wood Technology, Zemědělská 3, 613 00 Brno, Brno, Czech Republic, 613 00;
is a long-established, well known and globally important genus of plant pathogens. Phylogenetic evidence has shown that the biologically distinct, obligate biotrophic downy mildews evolved from at least twice. Since, cladistically, this renders 'paraphyletic', it has been proposed that evolutionary clades be split into multiple genera (Runge et al.
View Article and Find Full Text PDFJ Exp Bot
March 2025
Graduate School of Integrated Sciences for Life, Hiroshima University, 1-4-3, Kagamiyama, Higashi-Hiroshima 739-8526, Japan.
The leaves of the cycad Encephalartos horridus exhibit a conspicuous glaucous appearance, attributed to the presence of epicuticular wax. However, the molecular and optical bases of this coloration have not been scientifically explained. In this study, we conducted a detailed analysis of the epicuticular wax composition, combined with RNA-Seq and de novo transcriptome assembly, to uncover the molecular mechanisms underlying this phenomenon.
View Article and Find Full Text PDFJ Am Chem Soc
March 2025
State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China.
Sesquiterpene synthases (STSs) catalyze carbocation cascade reactions with various hydrogen shifts and cyclization patterns that generate structurally diverse sesquiterpene skeletons. However, the molecular basis for hydrogen shifts and cyclizations, which determine STS product distributions, remains enigmatic. In this study, an elusive STS SydA was identified in the biosynthesis of sydonol, which synthesized a new bisabolene-type sesquiterpene with a unique saturated terminal pendant isopentane.
View Article and Find Full Text PDFNatl Sci Rev
March 2025
Lebanese University, Faculty of Sciences II, Department of Natural Sciences, Jdeideh, Matn, Lebanon.
With the exception of a fly and a mite from the Triassic of Italy, all Mesozoic amber arthropods are from the Cretaceous. Late Jurassic Lebanese amber from Aintourine revealed a completely preserved adult coccid male (wing length 0.8 mm), gen.
View Article and Find Full Text PDFChem Sci
March 2025
Ōmura Satoshi Memorial Institute, Graduate School of Infection Control Sciences, Kitasato University 5-9-1 Shirokane, Minato-ku Tokyo 108-8641 Japan
Macrocyclic peptides, including depsipeptides, are an emerging new modality in drug discovery research. Tetraselide, an antifungal cyclic peptide isolated from a marine-derived filamentous fungus, possesses a unique amphiphilic structural feature consisting of five consecutive β-hydroxy-amino acid residues and fatty acid moieties. Because the structure elucidation of the naturally occurring product left six stereocenters ambiguous, we implemented bioinformatic analyses, chemical degradation studies and chiral pool fragment synthesis to identify two of the undetermined stereocenters.
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