Article
Environmental Sciences
K. S. Campbell, P. G. Keller, L. M. Heinzel, S. A. Golovko, D. R. Seeger, M. Y. Golovko, J. L. Kerby
Summary: The study aimed to investigate whether imidacloprid could cross the blood-brain barrier in adult Northern Leopard frogs exposed to different concentrations, with results showing significantly higher concentrations in the brain of exposed groups compared to the control. Additionally, a dose-response relationship was observed with breakdown products and imidacloprid brain concentrations, indicating that imidacloprid can bioaccumulate in amphibian brains. Behaviorally, exposure to imidacloprid resulted in slower reaction times to food stimuli, with a positive correlation between response time and imidacloprid brain concentration.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Ecology
Justin M. Waraniak, David M. Mushet, Craig A. Stockwell
Summary: This study investigated the biotic connectivity of prairie-pothole wetlands using genetic analysis of northern leopard frogs. The results showed that land use and topography were the main factors driving genetic differentiation, providing valuable information for identifying amphibian dispersal corridors and prioritizing land conservation or restoration.
Article
Parasitology
David J. Marcogliese, Kayla C. King, Kieran A. Bates
Summary: Parasites can have significant effects on oxidative stress in frogs exposed to atrazine, with certain parasites interacting with the herbicide to affect protein levels, thiol concentrations, and catalase activity in the frogs. Confounding effects of parasitism should be considered in studies of oxidative stress in natural ecosystems, particularly for amphibians in agricultural landscapes.
Article
Marine & Freshwater Biology
Melody J. Gavel, Sarah D. Young, Rebecca L. Dalton, Catherine Soos, Landon McPhee, Mark R. Forbes, Stacey A. Robinson
Summary: The study investigates the effects of long-term exposure to two individual neonicotinoids on northern leopard frog immune function. Results show that exposure to neonicotinoids can alter leukocyte profiles, indicative of a stress response. Future studies should further explore the impact of chronic exposure to neonicotinoids on amphibians' susceptibility to parasites and pathogens.
AQUATIC TOXICOLOGY
(2021)
Article
Engineering, Environmental
Kaitlyn S. Campbell, Peyton Keller, Svetlana A. Golovko, Drew Seeger, Mikhail Y. Golovko, Jacob L. Kerby
Summary: Neonicotinoids, commonly used neurotoxic insecticides, can enter wetlands through subsurface tile drains and harm nontarget organisms like amphibians. In this study, researchers investigated the impact of imidacloprid, a neonicotinoid, at low concentrations in field-based wetland areas. Results showed that imidacloprid concentrations were significantly higher in the brains and water samples of tile wetland amphibians compared to reference wetlands. The study also found a negative relationship between imidacloprid brain concentration and cerebellum length. These findings suggest that imidacloprid can cross the amphibian blood-brain barrier in natural conditions and affect brain dimensions.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2023)
Article
Environmental Sciences
Sophia R. Brown, R. Wesley Flynn, Jason T. Hoverman
Summary: Exposure to 10 ppb of perfluorohexanesulfonic acid was found to increase trematode infections in larval northern leopard frogs, while perfluorooctanesulfonic acid had no effect. This suggests that PFAS may potentially enhance infection risk in natural systems.
ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY
(2021)
Article
Agronomy
Shauni Windle, Scott McMurry, Richard Brain, Jonathan Maul, Jeffrey Wolf, Jason Belden
Summary: This study examined the effects of exposure to atrazine and estradiol on the development of Blanchard's cricket frog larvae. The results showed that atrazine did not significantly affect the survival, growth, or reproductive development of the frogs, while estradiol exposure did have some effects on male frogs' oviduct development. Overall, the study suggests that Blanchard's cricket frogs may be less sensitive to these endocrine-disrupting compounds compared to other species.
PEST MANAGEMENT SCIENCE
(2022)
Article
Marine & Freshwater Biology
Cherry T. Brown, Jeremiah M. Yahn, William H. Karasov
Summary: The study focused on the accumulation and elimination of two PCBs and a PBDE mixture in Northern leopard frog tadpoles under different temperatures. It was found that tissue concentrations of the toxicants were linearly related to dietary concentrations and elimination was faster at higher temperatures. The apparent activation energy for elimination played a crucial role, showing similar temperature sensitivities among different processes.
AQUATIC TOXICOLOGY
(2021)
Article
Environmental Sciences
Tyler D. Hoskins, Elizabeth B. Allmon, R. Wesley Flynn, Linda S. Lee, Youn Choi, Jason T. Hoverman, Maria S. Sepulveda
Summary: This study compared the toxicities of perfluorooctanesulfonic acid (PFOS) and perfluorohexanesulfonic acid (PFHxS), and found that the mixture had different toxic effects compared to the individual chemicals. The mixture's toxicity exceeded expectations and had impacts on the body condition and length of metamorphosis of the tadpoles.
ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY
(2022)
Article
Environmental Sciences
Simone Dahms-Verster, Amina Nel, Johan H. J. van Vuren, Richard Greenfield
Summary: This study conducted a Frog Embryo Teratogenic Index - Xenopus (FETAX) assessment to investigate the mortality and teratogenicity effects of vanadium (V) on amphibian species. The results showed that low doses of vanadium exposure can cause severe malformation effects, indicating that vanadium is a very strong teratogen.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Environmental Sciences
Tawnya L. Cary, William H. Karasov
Summary: PCBs have a negative impact on the immune response of amphibians, especially when exposed during early stages of development. Frogs at different life stages show specific immune responses, although further research is needed to determine whether these effects are inherent to the life stage.
ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY
(2022)
Article
Environmental Sciences
R. Wesley Flynn, Michael Iacchetta, Chloe de Perre, Linda Lee, Maria S. Sepulveda, Jason T. Hoverman
Summary: PFAS are pervasive in aquatic systems globally and can have detrimental effects on human and wildlife health. Studies have shown that even at low concentrations, PFAS exposure in a realistic environment can impact the development of amphibians.
ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY
(2021)
Article
Environmental Sciences
Amber Dyck, Stacey A. Robinson, Sarah D. Young, Justin B. Renaud, Lyne Sabourin, David R. Lapen, Frances R. Pick
Summary: Agricultural drainage ditch management can affect the survival, growth, and development of northern leopard frog embryos and tadpoles. Cleared/dredged ditches supported earlier tadpole growth and development, but differences in water quality variables may impact their overall development.
ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
(2021)
Article
Multidisciplinary Sciences
Andris Ceirans, Mihails Pupins, Muza Kirjusina, Evita Gravele, Ligita Mezaraupe, Oksana Nekrasova, Volodymyr Tytar, Oleksii Marushchak, Alberts Garkajs, Iurii Petrov, Arturs Skute, Jean-Yves Georges, Kathrin Theissinger
Summary: This study investigates the effects of helminth infections on population size of semi-aquatic European water frogs. The results suggest that waterbody variables have the largest impact on frog population size, followed by land use within 500 meters. Helminth predictors have the lowest rank in explaining population size. The study also finds that the importance of frog population size varies in helminth infection responses.
SCIENTIFIC REPORTS
(2023)
Article
Environmental Sciences
Laura Coelho, Mariana Afonso, Fatima Jesus, Isabel Campos, Nelson Abrantes, Fernando J. M. Goncalves, Dalila Serpa, Sergio M. Marques
Summary: Forest fires can threaten amphibians by impacting both terrestrial and aquatic ecosystems through ash-associated contaminants transported by post-fire runoff. This study assessed the effects of ash from wildfires of different severity on the skin microbiome of the Iberian frog and found that ash-related contaminants could impair the bacteria living on the frog's skin, potentially weakening their immune system.
ENVIRONMENTAL POLLUTION
(2022)
Article
Agriculture, Dairy & Animal Science
Michelle A. North, Ahmad R. Movassaghi, Judit E. G. Smits
AVIAN BIOLOGY RESEARCH
(2016)
Article
Biodiversity Conservation
Jaime Rodriguez-Estival, Esther Garcia-de Blas, Judit E. G. Smits
ECOLOGICAL INDICATORS
(2016)
Article
Environmental Sciences
Jaime Rodriguez-Estival, Judit E. G. Smits
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
(2016)
Article
Environmental Sciences
Ahmad Movasseghi, Jaime Rodriguez-Estival, Judit E. G. Smits
ENVIRONMENTAL POLLUTION
(2017)
Article
Engineering, Environmental
Michelle A. North, Jaime Rodriguez-Estival, Judit E. G. Smits
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2017)
Article
Engineering, Environmental
Michelle A. North, David W. Kinniburgh, Judit E. G. Smits
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2017)
Article
Toxicology
Michelle A. North, David W. Kinniburgh, Judit E. G. Smits
TOXICOLOGY MECHANISMS AND METHODS
(2018)
Article
Toxicology
Michelle A. North, David W. Kinniburgh, Judit E. G. Smits
TOXICOLOGY MECHANISMS AND METHODS
(2018)
Article
Environmental Sciences
Kj. Fernie, S. C. Marteinson, C. Soos, D. Chen, L. Cruz-Martinez, J. E. G. Smits
ENVIRONMENTAL POLLUTION
(2018)
Article
Agriculture, Multidisciplinary
Fitsum Getachew, Albert Vandenberg, Judit Smits
JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE
(2018)
Article
Environmental Sciences
Kim J. Fernie, Sarah C. Marteinson, Da Chen, Anita Eng, Tom Harner, Judit E. G. Smits, Catherine Soos
SCIENCE OF THE TOTAL ENVIRONMENT
(2018)
Article
Food Science & Technology
Constance Chiremba, Albert Vandenberg, Judit Smits, Anusha Samaranayaka, Ricky Lam, Shannon Hood-Niefer
CEREAL FOODS WORLD
(2018)
Review
Biodiversity Conservation
Lee Koren, Heather Bryan, Devorah Matas, Simon Tinman, Asa Fahlman, Douglas Whiteside, Judit Smits, Katherine Wynne-Edwards
JOURNAL OF APPLIED ECOLOGY
(2019)
Article
Environmental Sciences
K. J. Fernie, S. C. Marteinson, D. Chen, V. Palace, L. Peters, C. Soos, J. E. G. Smits
ENVIRONMENTAL RESEARCH
(2019)
Article
Environmental Sciences
Regina M. Krohn, Vince Palace, Judit E. G. Smits
Summary: Metal accumulation in wood frog tadpoles varies greatly depending on the developmental stage surrounding metamorphic climax, with metabolic changes and intestinal remodeling needing to be considered.
ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
(2021)
Article
Environmental Sciences
Toshimi Nakajima, Mao Kuragano, Makoto Yamada, Ryo Sugimoto
Summary: This study compared the contribution of submarine groundwater discharge (SGD) to river nutrient budgets at nearshore and embayment scales, and found that SGD-derived nutrients become more important at larger spatial scales.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Fan Liu, Lei Zhang, Chongyang Zhang, Ziguang Chen, Jingguang Li
Summary: NO2 emissions from wall-mounted gas stoves used for household heating have become a significant source of indoor pollution in Chinese urban areas. The high indoor concentration of NO2 poses potential health risks to residents. It is urgently necessary to establish relevant regulations and implement emission reduction technologies to reduce NO2 emissions from wall-mounted gas stoves.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Letter
Environmental Sciences
Hans Peter H. Arp, Raoul Wolf, Sarah E. Hale, Sivani Baskaran, Juliane Gluege, Martin Scheringer, Xenia Trier, Ian T. Cousins, Harrie Timmer, Roberta Hofman-Caris, Anna Lennquist, Andre D. Bannink, Gerard J. Stroomberg, Rosa M. A. Sjerps, Rosa Montes, Rosario Rodil, Jose Benito Quintana, Daniel Zahn, Herve Gallard, Tobias Mohr, Ivo Schliebner, Michael Neumann
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Philomina Onyedikachi Peter, Binessi Edouard Ifon, Francois Nkinahamira, Kayode Hassan Lasisi, Jiangwei Li, Anyi Hu, Chang-Ping Yu
Summary: This study investigates the relationship between dissolved organic matter (DOM) and Rare Earth Elements (REEs) in sediments from Yundang Lagoon, China. The results show four distinct fluorescent components, with protein-like substances being the most prevalent. Additionally, the total fluorescence intensity and LREE concentrations exhibit a synchronized increase from Outer to Inner to Songbai Lake core sediments. The findings demonstrate a strong correlation between DOM content and pollution levels.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Surya Gupta, Pasquale Borrelli, Panos Panagos, Christine Alewell
Summary: The objective of this study is to incorporate soil hydraulic properties into the erodibility factor (K) of USLE-type models. By modifying and improving the existing equations for soil texture and permeability, the study successfully included information on saturated hydraulic conductivity (Ksat) into the calculation of K factor. Using the Random Forest machine learning algorithm, two independent K factor maps with different spatial resolutions were generated. The results show that the decrease in K factor values has a positive impact on the modeling of soil erosion rates.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Jesmin Akter, Wendy J. M. Smith, Yawen Liu, Ilho Kim, Stuart L. Simpson, Phong Thai, Asja Korajkic, Warish Ahmed
Summary: The choice of workflow in wastewater surveillance has a significant impact on SARS-CoV-2 concentrations, while having minimal effects on HF183 and no effect on HAdV 40/41 concentrations. Certain components in the workflow can be interchangeable, but factors such as buffer type, chloroform, and homogenization speed can affect the recovery of viruses and bacteria.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Yu Luo, Xueting Yang, Diwei Wang, Hongmei Xu, Hongai Zhang, Shasha Huang, Qiyuan Wang, Ningning Zhang, Junji Cao, Zhenxing Shen
Summary: Atmospheric PM2.5, which can generate reactive oxygen species (ROS), is associated with cardiorespiratory morbidity and mortality. The study found that both the mass concentration of PM2.5 and the DTT activity were higher during the heating season than during the nonheating season. Combustion sources were the primary contributors to DTT activity during the heating season, while secondary formation dominated during the nonheating season. The study also revealed that biomass burning had the highest inherent oxidation potential among all sources investigated.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Erin L. Murphy, Leah R. Gerber, Chelsea M. Rochman, Beth Polidoro
Summary: Plastic pollution has devastating consequences for marine organisms. This study uses a trait-based framework to develop a vulnerability index for marine mammals, seabirds, and sea turtles in Hawai'i. The index ranks 63 study species based on their vulnerability to macroplastic pollution, providing valuable information for species monitoring and management priorities.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Kenji Maurice, Amelia Bourceret, Sami Youssef, Stephane Boivin, Liam Laurent-Webb, Coraline Damasio, Hassan Boukcim, Marc-Andre Selosse, Marc Ducousso
Summary: Growing pressure from climate change and agricultural land use is destabilizing soil microbial community interactions. Little is known about microbial community resistance and adaptation to disturbances, hindering our understanding of recovery latency and implications for ecosystem functioning. This study found that anthropic disturbance and natural disturbance have different effects on the topology and stability of soil microbial networks.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Yunhao Li, Yali Feng, Haoran Li, Yisong Yao, Chenglong Xu, Jinrong Ju, Ruiyu Ma, Haoyu Wang, Shiwei Jiang
Summary: Deep-sea mining poses a serious threat to marine ecosystems and human health by disturbing sediment and transmitting metal ions through the food chain. This study developed a new regenerative adsorption material, OMN@SA, which effectively removes metal ions. The adsorption mechanism and performance of the material for metal ion fixation were investigated.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Antonio Medici, Margherita Lavorgna, Marina Isidori, Chiara Russo, Elena Orlo, Giovanni Luongo, Giovanni Di Fabio, Armando Zarrelli
Summary: Valsartan, a widely used antihypertensive drug, has been detected in high concentrations in surface waters due to its unchanged excretion and incomplete degradation in wastewater treatment plants. This study investigated the degradation of valsartan and identified 14 degradation byproducts. The acute and chronic toxicity of these byproducts were evaluated in key organisms in the freshwater trophic chain.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Jiang Lin, Lianbao Chi, Qing Yuan, Busu Li, Mingbao Feng
Summary: This study investigated the photodegradation behavior and product formation of two representative pharmaceuticals in simulated estuary water. The study found that the formed transformation products of these pharmaceuticals have potential toxicity on marine organisms, including oxidative stress and damage to cellular components.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Hua Fang, Dongdong Jiang, Ye He, Siyi Wu, Yuehong Li, Ziqi Zhang, Haoting Chen, Zixin Zheng, Yan Sun, Wenxiang Wang
Summary: This study revealed that exposure to lower levels of air pollutants led to decreased pregnancy rates, with PM10, NO2, SO2, and CO emerging as the four most prominent pollutants. Individuals aged 35 and above exhibited heightened susceptibility to pollutants.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Ali Shaan Manzoor Ghumman, Rashid Shamsuddin, Amin Abbasi, Mohaira Ahmad, Yoshiaki Yoshida, Abdul Sami, Hamad Almohamadi
Summary: In this study, inverse vulcanized polysulfides (IVP) were synthesized by reacting molten sulfur with 4-vinyl benzyl chloride, and then functionalized using N-methyl D-glucamine (NMDG). The functionalized IVP showed a high mercury adsorption capacity and a machine learning model was developed to predict the amount of mercury removed. Furthermore, the functionalized IVP can be regenerated and reused, providing a sustainable and cost-effective adsorbent.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Rita Bonfiglio, Renata Sisto, Stefano Casciardi, Valeria Palumbo, Maria Paola Scioli, Erica Giacobbi, Francesca Servadei, Gerry Melino, Alessandro Mauriello, Manuel Scimeca
Summary: This study investigated the presence of aluminum in human colon cancer samples and its potential association with biological processes involved in cancer progression. Aluminum was found in tumor areas of 24% of patients and was associated with epithelial to mesenchymal transition (EMT) and cell death. Additional analyses revealed higher tumor mutational burden and mutations in genes related to EMT and apoptosis in aluminum-positive colon cancers. Understanding the molecular mechanisms of aluminum toxicity may improve strategies for the management of colon cancer patients.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)