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Effects of environmentally relevant concentrations of citalopram in freshwater mesocosms.
Environ Pollut
December 2024
Aquatic Ecology and Water Quality Management Group, Wageningen University, Wageningen, the Netherlands.
Increased pharmaceutical usage has led to their widespread presence in aquatic environments, resulting in concerns regarding their potential environmental impacts. Antidepressants, particularly selective serotonin reuptake inhibitors (SSRIs) like citalopram, are frequently detected in European surface waters. Acute laboratory studies have demonstrated that citalopram can inhibit algal growth, immobilise Daphnia magna, and may result in foot detachment (i.
View Article and Find Full Text PDFPossible roles of Wnt in the shell growth of the pond snail Lymnaea stagnalis.
Sci Rep
November 2024
Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo, 113-0033, Japan.
Although the mechanisms of molluscan shell growth have been studied using mathematical models, little is known about the molecular basis underpinning shell morphogenesis. Here, we performed Wnt activation experiments to elucidate the potential roles of Wnt signaling in the shell growth of Lymnaea stagnalis. In general, we observed following three types of shell malformations in both dose- and developmental stage-dependent manners: (i) cap-shaped shell, (ii) cap-shaped shell with hydropic soft tissues, and (iii) compressed shell with a smaller number of coiling.
View Article and Find Full Text PDFEffect of tributyltin exposure on the embryonic development and behavior of a molluscan model species, Lymnaea stagnalis.
Comp Biochem Physiol C Toxicol Pharmacol
November 2024
Ecophysiological and Environmental Toxicological Research Group, HUN-REN Balaton Limnological Research Institute, Tihany 8237, Hungary. Electronic address:
Article Synopsis
- * Exposed embryos showed significant delays in hatching, malformations, reduced locomotion, and decreased feeding activity, indicating that TBT affects physiological functions even at low concentrations.
- * This research also reveals for the first time the presence of tin in various tissues of TBT-treated hatchlings, emphasizing the need for further investigations into the cellular and molecular mechanisms of TBT's harmful effects.
Cellular and Genomic Instability Induced by the Herbicide Glufosinate-Ammonium: An In Vitro and In Vivo Approach.
Cells
May 2024
Department of Biology and Biotechnology, University of Pavia, Via Ferrata 9, 27100 Pavia, Italy.
Glufosinate-ammonium (GLA), an organophosphate herbicide, is released at high concentrations in the environment, leading to concerns over its potential genotoxic effects. However, few articles are available in the literature reporting the possible cellular and nuclear effects of this compound. We assessed, by in vitro and in vivo micronucleus assays, the genotoxicity of GLA on cultured human lymphocytes and hemocytes at six concentrations: 0.
View Article and Find Full Text PDFNutrient enrichment, propagule pressure, and herbivory interactively influence the competitive ability of an invasive alien macrophyte .
Front Plant Sci
May 2024
Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China.
Introduction: Freshwater ecosystems are susceptible to invasion by alien macrophytes due to their connectivity and various plant dispersal vectors. These ecosystems often experience anthropogenic nutrient enrichment, favouring invasive species that efficiently exploit these resources. Propagule pressure (reflecting the quantity of introduced individuals) and habitat invasibility are key determinants of invasion success.
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