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Nutritional consistency of macroalgae across a sea ice cover gradient along the Western Antarctic Peninsula.
J Phycol
January 2025
Oregon Institute of Marine Biology, University of Oregon, Charleston, Oregon, USA.
Sea ice can profoundly influence photosynthetic organisms by altering subsurface irradiance, but it is susceptible to changes in the climate. The patterns and timing of sea ice cover can vary on a monthly to annual timescale in small sub-regions of the Western Antarctic Peninsula (WAP). During the latter part of the 20th century, sea ice coverage significantly decreased in the WAP, a trend that aligns with warming in this area.
View Article and Find Full Text PDFUncertainties around net-zero climate targets have major impact on greenhouse gas emissions projections.
Ann N Y Acad Sci
January 2025
NewClimate Institute, Cologne, Germany.
Globally, more than 100 countries have adopted net-zero targets. Most studies agree on how this increases the chance of keeping end-of-century global warming below 2°C. However, they typically make assumptions about net-zero targets that do not capture uncertainties related to gas coverage, sector coverage, sinks, and removals.
View Article and Find Full Text PDF[Abscisic acid - food chain and human health].
Orv Hetil
January 2025
1 Semmelweis Egyetem, Általános Orvostudományi Kar, Városmajori Szív- és Érgyógyászati Klinika, Kísérletes Kardiológiai és Sebészeti Műtéttani Tanszék Budapest, Nagyvárad tér 4., 1089 Magyarország.
DDGemb: predicting protein stability change upon single- and multi-point variations with embeddings and deep learning.
Bioinformatics
January 2025
Biocomputing Group, University of Bologna, Italy.
Motivation: The knowledge of protein stability upon residue variation is an important step for functional protein design and for understanding how protein variants can promote disease onset. Computational methods are important to complement experimental approaches and allow a fast screening of large datasets of variations.
Results: In this work we present DDGemb, a novel method combining protein language model embeddings and transformer architectures to predict protein ΔΔG upon both single- and multi-point variations.
Comparative diversification analyses of Hydrangeaceae and Loasaceae reveal complex evolutionary history as species disperse out of Mesoamerica.
Am J Bot
January 2025
School of Biological Sciences, Washington State University, Pullman, 99164, Washington, USA.
Article Synopsis
- The study explores how intercontinental movements of certain plant lineages (Hydrangeaceae and Loasaceae) may promote ecological opportunities and species diversity.
- Researchers reconstructed a phylogeny using molecular data and analyzed speciation rates, finding that while some clades showed increased diversification, it wasn't linked to new continental colonization.
- The findings suggest that climate change in the Miocene played a more significant role in species diversification rather than dispersal across continents, indicating that changes in habitats drove evolutionary changes instead of location shifts.
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