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Exposure to Cadmium and Other Trace Elements Among Individuals with Mild Cognitive Impairment.
Toxics
December 2024
Environmental, Genetics, and Nutritional Epidemiology Research Center (CREAGEN), Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy.
Background: A limited number of studies have investigated the role of environmental chemicals in the etiology of mild cognitive impairment (MCI). We performed a cross-sectional study of the association between exposure to selected trace elements and the biomarkers of cognitive decline.
Methods: During 2019-2021, we recruited 128 newly diagnosed patients with MCI from two Neurology Clinics in Northern Italy, i.
Recovery Following Recurrent Fires Across Mediterranean Ecosystems.
Glob Chang Biol
December 2024
Faculdade de Ciências, Instituto Dom Luiz, Universidade de Lisboa, Lisbon, Portugal.
In fire-prone regions such as the Mediterranean biome, fire seasons are becoming longer, and fires are becoming more frequent and severe. Post-fire recovery dynamics is a key component of ecosystem resilience and stability. Even though Mediterranean ecosystems can tolerate high exposure to extreme temperatures and recover from fire, changes in climate conditions and fire intensity or frequency might contribute to loss of ecosystem resilience and increase the potential for irreversible changes in vegetation communities.
View Article and Find Full Text PDFMultidisciplinary methodologies used in the study of cable bacteria.
FEMS Microbiol Rev
January 2025
School of Chemistry, Monash University, Clayton 3800 VIC, Australia.
Cable bacteria are a unique type of filamentous microorganism that can grow up to centimetres long and are capable of long-distance electron transport over their entire lengths. Due to their unique metabolism and conductive capacities, the study of cable bacteria has required technical innovations, both in adapting existing techniques and developing entirely new ones. This review discusses the existing methods used to study eight distinct aspects of cable bacteria research, including the challenges of culturing them in laboratory conditions, performing physical and biochemical extractions, and analysing the conductive mechanism.
View Article and Find Full Text PDFPhylogeny of Australian Acerentomidae species (Protura: Acerentomidae), with a key to identification.
Zootaxa
May 2024
MECADEV; UMR7179 CNRS MNHN; Muséum National d'Histoire Naturelle; CP50 Entomology; 45 rue Buffon; 75231 Paris cedex 05; France.
The materials of three Acerentomidae species from Australia and Tasmania were studied. Additional morphological characters, such as chaetotaxy of head and notal segments, shape of body setae and porotaxy, are provided based on new materials of Australentulus westraliensis from Australia and Tasmanentulus tasmanicus from Tasmania. A new species, Amphientulus markstivensi, is described from Tasmania.
View Article and Find Full Text PDFArticle Synopsis
- The Southern Ocean features dynamic mesoscale eddies that significantly influence global biogeochemical cycles, yet their overall effects on biogeochemistry have not been fully explored.
- Research aligns these eddies with data from biogeochemical Argo floats, revealing that anticyclonic eddies (AEs) lower dissolved inorganic carbon (DIC) and nitrate, while cyclonic eddies (CEs) increase these concentrations; dissolved oxygen also varies significantly between the two types of eddies.
- AEs and CEs play a role in the Southern Ocean's carbon uptake, with AEs contributing 0.01 Pg C while CEs offset this contribution by the same amount, highlighting the need to consider eddy effects in climate models
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