Triclosan is an antimicrobial agent widely used in personal care products and an emerging contaminant with potential to have harmful effects to edaphic organisms. This study aimed to evaluate the impacts of exposure to triclosan on the microbiota, plants, and edaphic animals using isolated bioassays and a microcosm scale representation (multispecies system). Among the isolated bioassays, the phytotoxicity test with Lactuca sativa, avoidance test with Eisenia andrei, and acute toxicity with E. andrei and Armadillidium vulgare were used. The multispecies system used seeds of L. sativa and Sinapis alba, together with earthworms and terrestrial isopods. This system also evaluated microbial activity through alkaline phosphatase and the metabolic profile using Ecoplate™, BIOLOG microplates. Exposure to triclosan impacted seedling growth in the isolated bioassay and germination and root growth in the microcosm scale assay; it also caused mortality in terrestrial isopods, earthworm avoidance and alteration of alkaline phosphatase, and the consumption profile of carbohydrates and carboxylic acids in the microbiota. The ecotoxicological effects evaluated in the multispecies system were perceived even in low concentrations of triclosan, indicating that the interaction of this xenobiotic with the environment and organisms in a more realistic scenario can compromise ecosystem services.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1007/s11356-021-13633-y | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Exploring the Potential of Nitrofurantoin for Infection Control in Regenerative Endodontics: in vitro study.
J Endod
December 2024
Geriatric Dentistry Department, Faculty of Dentistry of Fluminense Federal University, Niteroi, (UFF), Niteroi, RJBrazil; Endodontics Department, Faculty of Dentistry of Fluminense Federal University (UFF), Niteroi, RJ, Brazil; Laboratory of Experimental Culture Cell (LECCel), Faculty of Dentistry of Fluminense, Federal University (UFF), Niteroi, RJ, Brazil. Electronic address:
Introduction: This study assessed a new antimicrobial paste formulation containing nitrofurantoin for regenerative endodontics against multispecies biofilms.
Methods: Four groups of 11 single-root teeth each were tested: Negative control group (BHI + microorganisms); Hoshino 1 conventional tri-antibiotic paste group (1:1:1 ratio); Hoshino 5 group (5:5:5 ratio); Experimental group with nitrofurantoin, ciprofloxacin, and metronidazole. Minimum inhibitory concentrations of each antimicrobial were determined.
Coping with salinity change: How does the cyclopoid copepod Apocyclops royi (Lindberg 1940) do it?
Comp Biochem Physiol A Mol Integr Physiol
December 2024
Department of Science and Environment, Roskilde University, Roskilde, Denmark.
The cyclopoid copepod species Apocyclops royi has attracted significant attention due to its importance in marine food webs and its role as a vital food source for many marine organisms, particularly marine fish larvae. This study aims to understand the activity patterns, osmoregulation mechanisms, and physiological adaptations of A. royi in response to acute decreasing salinities.
View Article and Find Full Text PDFEvaluation of single and multispecies biofilm formed in the static and continuous systems.
Int J Food Microbiol
December 2024
School of Food Technology and Natural Sciences, Massey University, Private Bag 11222, Palmerston North, New Zealand.
Biofilms consisting of multiple species of bacteria compared to biofilms of single species are common in natural environments including food contact surfaces. The objective of this study was to understand the biofilm formation and the efficiency of sodium hypochlorite (50 ppm/5 mins) on the single and multiple species biofilm of Pseudomonas fluorescens, Staphylococcus aureus, and Listeria monocytogenes formed on stainless steel surfaces in static and continuous systems. The cell concentration of Listeria in the dual and triple species biofilm in the continuous system (7.
View Article and Find Full Text PDFTrapped-ion quantum simulation of electron transfer models with tunable dissipation.
Sci Adv
December 2024
Department of Physics and Astronomy, Rice University, Houston, TX 77005, USA.
Electron transfer is at the heart of many fundamental physical, chemical, and biochemical processes essential for life. The exact simulation of these reactions is often hindered by the large number of degrees of freedom and by the essential role of quantum effects. Here, we experimentally simulate a paradigmatic model of molecular electron transfer using a multispecies trapped-ion crystal, where the donor-acceptor gap, the electronic and vibronic couplings, and the bath relaxation dynamics can all be controlled independently.
View Article and Find Full Text PDFMultispecies pasture diet and cow breed impact the functional lipid profile of milk across lactation in a spring calving dairy system.
J Dairy Sci
December 2024
Food Chemistry and Technology Department, Teagasc, Moorepark, Fermoy, Co. Cork, Ireland; VistaMilk SFI Research Centre, Teagasc, Moorepark, Fermoy, Co. Cork, Ireland. Electronic address:
This study compared the impact of 2 pasture-based feeding systems, namely a traditional perennial ryegrass (PRG) diet, and a recently introduced, more sustainable multispecies swards (MSS) diet, on the functional lipid profile of raw milk. In addition to the 2 pasture diets, the study uniquely examined the combined effects of breed, namely Holstein-Friesian (HF) or Jersey Holstein-Friesian (JFX), and lactation stage in Ireland, spanning from March to November. Bulk milk samples (n = 144 yearly) for the 4 groups examined were collected for 4 weeks per each of the 9 mo specified.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!