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Disentangling Driving Force Effects, Polar Effects, /H Imbalance, and Other Influences on H-Atom Transfer Reactions.
J Am Chem Soc
January 2025
Department of Chemistry, Yale University, 225 Prospect Street, New Haven, Connecticut 06520, United States.
Hydrogen atom transfer (HAT) reactions and their kinetic barriers Δ are important in organic and inorganic chemistry. This study examines factors that influence Δ, reporting the kinetics and thermodynamics of HAT from various ruthenium bis(acetylacetonate) pyridine-imidazole complexes to nitroxyl radicals. Across these 36 reactions, the Δ and Δ can be independently varied, with different sets of Ru complexes primarily tuning either their ps or their °s.
View Article and Find Full Text PDFRejection of the concept of hemiurid genus Pulmovermis (Digenea: Hemiuridae) and other taxonomic propositions: new morphological and molecular data regarding Lecithochirium cyanovitellosum (Coil and Kuntz, 1960) Urabe and Sokolov, comb. nov. (formerly Pulmovermis cyanovitellosus).
Syst Parasitol
January 2025
A.N. Severtsov Institute of Ecology and Evolution RAS, Moscow, Russia.
Pulmovermis cyanovitellosus Coil and Kuntz, 1960 is a species of hemiurid trematode that localizes in the lung of sea snakes, an unusual trait for this group of parasites. Recent molecular phylogenetic studies based on 28S rRNA gene sequences have shown that this species is closely related to members of the genus Lecithochirium Lühe, 1901. This finding is unexpected given that Pulmovermis Coil and Kuntz, 1960 and Lecithochirium are currently classified in different subfamilies of Hemiuridae (Pulmoverminae Sandars, 1961 vs.
View Article and Find Full Text PDFOutbreak of autochthonous dengue in Fano, Pesaro-Urbino Province - Marche region, Italy, September 2024.
Infection
January 2025
Unit of Infection Diseases, San Salvatore Hospital, AST Pesaro Urbino, Pesaro, Italy.
Dengue is the most common arboviral disease globally. It is caused by four distinct but closely related Dengue viruses (DENV-1, -2, -3, and - 4) transmitted through bites of infected Aedes species mosquito vectors. In the last 50 years, incidence has increased 30-fold with increasing geographic expansion to new countries.
View Article and Find Full Text PDFsp. nov., a new hyphomycete from desertified rocky soil in southwest China.
Int J Syst Evol Microbiol
January 2025
Laboratory for Conservation and Utilization of Bio-Resources, Key Laboratory for Microbial Resources of the Ministry of Education, Yunnan University, Kunming 650091, Yunnan, PR China.
Two strains of , identified based on morphology and phylogenetic analysis, were isolated from rocky desertification soils in Yunnan province. Phylogenetic analyses inferred from three loci (the internal transcribed spacer of the nuclear ribosomal RNA gene, β-tubulin and RNA polymerase II second-largest subunit) showed that the two strains formed a single clade and were introduced as a new species of , is characterized by having ampulliform or broadly fusiform conidiogenous cells and dark olivaceous-green, oblong-ellipsoidal conidia. Phylogenetically, is most closely related to , but it distinguishes the latter by longer and narrower conidia.
View Article and Find Full Text PDFIdentification of a Novel Stomatal Opening Chemical, PP242, That Inhibits Early Abscisic Acid Signal Transduction in Guard Cells.
Plant Cell Physiol
January 2025
Division of Biological Science, Graduate School of Science, Nagoya University, Chikusa, Nagoya 464-8602, Japan.
Plants control their stomatal apertures to optimize carbon dioxide uptake and water loss. Stomata open in response to light through the phosphorylation of the penultimate residue, Thr, of plasma membrane (PM) H+-ATPase in guard cells. Stomata close in response to drought and the phytohormone abscisic acid (ABA), and ABA suppresses the light-induced activation of PM H+-ATPase.
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