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Evolutionary dynamics of the B chromosomes in the fish species Valenciennes, 1837 of the Paraná River Basin.
Comp Cytogenet
January 2025
Faculdade de Ciências, Universidade Estadual Paulista (UNESP), Avenida Edmundo Carrijo Coube, Bauru, SP, Brazil Universidade Estadual Paulista (UNESP) Bauru Brazil.
The fish species has an interesting B chromosome system, with three morphological types as acrocentric, metacentric, and submetacentric. However, most cytogenetic studies on this species are restricted to the natural population of the Mogi Guaçu River. Given this, the present work aimed to study the structure karyotypic profile as well as the occurrence of supernumeraries in in several localities in the Paraná River basin, where this species is abundant.
View Article and Find Full Text PDFAlien toxic toads suppress individual growth and phenotypic development of native predatory salamanders.
Oecologia
January 2025
Tomakomai Experimental Forest, Field Science Center for Northern Biosphere, Hokkaido University, Takaoka, Tomakomai, Hokkaido, 053-0035, Japan.
Alien species can influence populations of native species through individual-level effects such as predation, competition, and poisoning. For alien species that possess strong defensive chemicals, poisoning is one of the most powerful mechanisms of individual-level effects on native biota. Although toxic alien species could potentially negatively affect survival (lethal effects) or life history traits (sub-lethal effects) of native predators via poisoning, previous studies have mainly focused on acute lethal effects.
View Article and Find Full Text PDFBloodstream infection in a neonatal intensive care unit: Epidemiology, Antifungal susceptibility and new drug delivered strategies.
J Mycol Med
January 2025
Mycology Laboratory, School of Pharmacy, Midwestern Paraná State University, UNICENTRO, PR, Brazil. Electronic address:
Bloodstream infection in neonates is a complicated disease and presents a major challenge both in diagnosis and in therapeutic intervention. The focus of the present study was to investigate the incidence, the species distribution and the risk factors associated with mortality of bloodstream infections in a neonatal intensive care unit (NICU) and evaluating the antifungal susceptibility of traditional antifungal drugs and three nanoparticle-based drug delivery systems based on nanoparticles. A total of 458 patients were evaluated, and 9.
View Article and Find Full Text PDFMftG is crucial for ethanol metabolism of mycobacteria by linking mycofactocin oxidation to respiration.
Elife
January 2025
Leibniz Institute for Natural Product Research and Infection Biology - Hans Knöll Institute, Junior Research Group Synthetic Microbiology, Jena, Germany.
Mycofactocin is a redox cofactor essential for the alcohol metabolism of mycobacteria. While the biosynthesis of mycofactocin is well established, the gene , which encodes an oxidoreductase of the glucose-methanol-choline superfamily, remained functionally uncharacterized. Here, we show that MftG enzymes are almost exclusively found in genomes containing mycofactocin biosynthetic genes and are present in 75% of organisms harboring these genes.
View Article and Find Full Text PDFObjective Neurophysiological Measures of Cognitive Performance in Elite Ice Hockey Players.
Open Access J Sports Med
January 2025
Brainnet, Faculty of Applied Sciences, Simon Fraser University, Metro Vancouver, BC, Canada.
Introduction: Athletic peak performance is increasingly focused on cognitive and mental factors. In the current study, cognitive performance was measured by neurophysiological responses in elite Junior-A hockey players.
Methods: Neurophysiological brain vital signs were extracted from event-related potentials (ERPs) to evaluate auditory sensation (the N100), basic attention (the P300), and cognitive processing (the N400).
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