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Comparative metabolic study of planktonic and sessile cells in Salmonella Enteritidis ATCC 13076: Elucidating metabolic pathways driving biofilm formation.
PLoS One
January 2025
Escuela de Química, Universidad Industrial de Santander, Bucaramanga, Colombia.
Microorganisms tend to accumulate on surfaces, forming aggregates such as biofilms, which grant them resistance to various environmental stressors and antimicrobial agents. This ability has hindered the effective treatment of diseases caused by pathogenic microorganisms, including Salmonella, which is responsible for a significant number of deaths worldwide. This study aimed to compare the metabolic profiles of planktonic and sessile cells of Salmonella Enteritidis using a metabolomics approach.
View Article and Find Full Text PDFCrustacean Zooplankton Ingestion of Potentially Toxic : In Situ Estimation Using Gene Gut Content Detection in a Large Temperate Eutrophic Lake.
Toxins (Basel)
January 2025
Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, 51006 Tartu, Estonia.
Grazing by zooplankton can regulate bloom-forming cyanobacteria but can also transfer toxin-producing cells, as well as toxic metabolites, to the food web. While laboratory investigations have provided extensive knowledge on zooplankton and toxic cyanobacteria interactions, information on zooplankton feeding on toxin-producing cyanobacteria in natural water bodies remains scarce. In this study, we quantified -specific synthase genes from the gut contents of various cladoceran and copepod taxa to assess the in situ crustacean community and taxon-specific ingestion of potentially toxic in Lake Peipsi, a large eutrophic lake in Estonia, Northern Europe.
View Article and Find Full Text PDFThe Effect of Temperature over the Growth and Biofilm Formation of the Thermotolerant .
J Fungi (Basel)
January 2025
Departamento de Microbiología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prol. Carpio y Plan de Ayala s/n Col. Casco de Santo Tomás, Alcaldia Miguel Hidalgo, Mexico City C.P. 11340, Mexico.
is a medically relevant fungus, particularly in tropical regions. Although its aflatoxin production and thermotolerance are well documented, its biofilm-forming ability has received less attention, despite being a key factor in the virulence of as an opportunistic pathogen, which can significantly impact therapeutic outcomes. To investigate the influence of temperature on the growth and biofilm formation of an isolate, we compared it on solid media with the reference strain ATCC 22546 and documented morphological changes during conidial germination.
View Article and Find Full Text PDFStay Connected to Be Diverse!
Glob Chang Biol
January 2025
Aquatic Ecology, Department Biology, Ludwig-Maximilians - University Munich, München, Germany.
Plankton biodiversity is crucial for the functioning of aquatic ecosystems, influencing nutrient cycling, food web dynamics, and carbon storage. Global change and habitat destruction disrupt these ecosystems, reducing species diversity and ecosystem resilience. Connectivity between aquatic habitats supports biodiversity by enabling species migration, genetic diversity, and recovery from disturbances.
View Article and Find Full Text PDFHeat-Evolved Microalgae (Symbiodiniaceae) Are Stable Symbionts and Influence Thermal Tolerance of the Sea Anemone Exaiptasia diaphana.
Environ Microbiol
January 2025
Australian Institute of Marine Science, Townsville, Queensland, Australia.
Symbiotic cnidarians, such as sea anemones and corals, rely on their mutualistic microalgal partners (Symbiodiniaceae) for survival. Marine heatwaves can disrupt this partnership, and it has been proposed that introducing experimentally evolved, heat-tolerant algal symbionts could enhance host thermotolerance. To test this hypothesis, the sea anemone Exaiptasia diaphana (a coral model) was inoculated with either the heterologous wild type or heat-evolved algal symbiont, Cladocopium proliferum, and homologous wild-type Breviolum minutum.
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