Article
Engineering, Marine
Simona Retelletti Brogi, Raffaella Casotti, Benjamin Misson, Cecilia Balestra, Margherita Gonnelli, Stefano Vestri, Chiara Santinelli
Summary: This study investigated biological DOM removal in a small estuary and found that despite differences in initial conditions, the rates of DOC removal were surprisingly similar in two contrasting seasons. The concentration and quality of DOM in the estuary showed marked differences between spring and autumn, with different trends in fluorescent DOM components observed during incubation.
JOURNAL OF MARINE SCIENCE AND ENGINEERING
(2021)
Article
Multidisciplinary Sciences
Amanda Williams, Eric N. Chiles, Dennis Conetta, Jananan S. Pathmanathan, Phillip A. Cleves, Hollie M. Putnam, Xiaoyang Su, Debashish Bhattacharya
Summary: Understanding the response of coral holobionts to environmental changes, particularly coral bleaching caused by heat stress, is crucial for conservation efforts. Research has identified certain dipeptides as potential diagnostic markers for thermal stress in wild coral populations.
Article
Microbiology
Zenghu Zhang, Shailesh Nair, Lili Tang, Hanshuang Zhao, Zhenzhen Hu, Mingming Chen, Yao Zhang, Shuh-Ji Kao, Nianzhi Jiao, Yongyu Zhang
Summary: The study found that the relationship between Synechococcus and heterotrophic bacterial communities shifted from antagonism to commensalism and eventually to mutualism during long-term cocultivation. Different bacterial members interacted with each other and with Synechococcus, driving a dynamic succession in the community structure. A self-sufficient nitrogen cycle established by Synechococcus and bacterial communities supported their long-term survival without external nutrient supply.
Article
Environmental Sciences
Yanying Zhang, Qingsong Yang, Ying Zhang, Manzoor Ahmad, Juan Ling, Xiaoyu Tang, Junde Dong
Summary: Short-term exposure to high levels of ammonium does not significantly harm coral holobiont. However, prolonged exposure results in changes in coral-associated bacterial communities, with an increase in pathogenic and opportunistic bacteria and a decrease in defensive and core bacteria.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Fisheries
Khalid Amjad, Hans-Uwe Dahms, Chuan-Hsin Ho, Yu-Chen Wu, Feng-You Lin, Hong-Thih Lai
Summary: This study evaluated the effects of two commercial probiotics on the growth and survival of white shrimp in an indoor biofloc technology system. The addition of probiotics improved water quality, bacterial numbers, and shrimp growth performance.
Article
Biotechnology & Applied Microbiology
Anna-Lena Hoeger, Carola Griehl, Matthias Noll
Summary: This study sheds light on the close connection between algae, associated bacterial microbiomes, and emerging contaminants in photobioreactor systems. It investigated the development of microbiomes of different freshwater microalgae species and the impact of parasitic infection on bacterial diversity.
JOURNAL OF APPLIED PHYCOLOGY
(2021)
Article
Limnology
Jennifer Mallon, Tyler Cyronak, Emily R. Hall, Anastazia T. Banaszak, Dan A. Exton, Adrian M. Bass
Summary: The study identifies the complex light-driven dynamics of metabolic processes in coral reef organisms and emphasizes the need for a more comprehensive understanding of reef metabolism to predict the future impacts of global change.
LIMNOLOGY AND OCEANOGRAPHY
(2022)
Article
Engineering, Environmental
Fabrizio Di Caprio, Lionel Tayou Nguemna, Marco Stoller, Massimiliano Giona, Francesca Pagnanelli
Summary: The study investigates controlling bacterial contaminants growth in heterotrophic microalgae cultures by using an uncoupled supply of glucose and nitrate. The results show the promising potential of SBR system for biomass productivity. However, grazer contamination and limitations in OMW treatment hinder the exploitation of OMW as an alternative organic substrate source.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Multidisciplinary Sciences
Alexa K. Hoke, Guadalupe Reynoso, Morgan R. Smith, Malia Gardner, Dominique J. Lockwood, Naomi E. Gilbert, Steven W. Wilhelm, Isabella R. Becker, Grant J. Brennan, Katherine E. Crider, Shannon R. Farnan, Victoria Mendoza, Alison C. Poole, Zachary P. Zimmerman, Lucy K. Utz, Louie L. Wurch, Morgan M. Steffen
Summary: This study examined microbial interactions between harmful algal blooms and bacteria in the western basin of Lake Erie in 2017. Through sequencing the genomes of five bacterial isolates, it was found that these bacteria may play important roles in cyanobacteria blooms.
Article
Environmental Sciences
Yali Tang, Changliang Xie, Xiaotong Jin, Zhaohui Wang, Ren Hu
Summary: The study suggests that the phycosphere bacterium Lf7 may play ecological roles in the competition between its host alga L. fissa and other phytoplankton, with all algal species showing significant stimulatory effects on the growth of bacterial Lf7. This highlights the complex interactions between phycosphere bacteria and host algae.
FRONTIERS IN MARINE SCIENCE
(2022)
Article
Environmental Sciences
Tamara Rodriguez-Ramos, Mar Nieto-Cid, Adria Auladell, Elisa Guerrero-Feijoo, Marta M. Varela
Summary: This study investigated the diversity and cooccurrence of prokaryotic communities in the NW Iberian upwelling system and adjacent open ocean, revealing vertically stratified beta diversity and horizontally homogeneous alpha diversity. The study also identified depth ecotypes and niche differentiation mediated by dissolved organic matter, with implications for ecosystem functioning. Positive and negative cooccurrence relationships among prokaryotes suggested niche partitioning and competitive exclusion, supporting the finding of non-randomly structured prokaryotic communities.
FRONTIERS IN MARINE SCIENCE
(2021)
Article
Environmental Sciences
Yaling Su, Yingxin Gan, Limei Shi, Kuanyi Li, Zhengwen Liu
Summary: This study provides direct evidence that ancient terrestrial organic carbon can be an important subsidy for lake secondary production, which has important implications for food webs in high-altitude and polar lakes.
ENVIRONMENTAL POLLUTION
(2022)
Article
Environmental Sciences
Lauren T. Toth, Travis A. Courtney, Michael A. Colella, Rob R. Ruzicka
Summary: SCTLD has had an unprecedented impact on the western Atlantic coral-reef ecosystems, causing a decline in reef-accretion potential and altering the composition of coral assemblages. The loss of reef-building corals has significantly decreased carbonate production, leading to a decline in their capacity for growth.
FRONTIERS IN MARINE SCIENCE
(2023)
Article
Microbiology
Jiajie Zhang, Jihua Liu, Daixi Liu, Xiao Chen, Quan Shi, Chen He, Gang Li
Summary: The study found that an increase in temperature lowered the bioavailability of Synechococcus-derived dissolved organic matter, while the involvement of heterotrophic bacteria altered the characteristics of the organic matter, reducing its bioavailability.
FRONTIERS IN MICROBIOLOGY
(2022)
Article
Engineering, Environmental
Fabrizio Di Caprio, Giacomo Proietti Tocca, Marco Stoller, Francesca Pagnanelli, Pietro Altimari
Summary: The integration of microalgae production with wastewater treatment can enhance economic and environmental sustainability. The control of bacterial contamination is a major challenge for this strategy. In this study, a strategy to control bacterial contamination by alternating organic substrate availability was proposed. The results showed that bacteria had a higher growth rate than microalgae but lysed more during the famine phase, reducing contamination. Cell-to-cell heterogeneity in carbon storage was crucial in determining cell resistance to lysis.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Review
Environmental Sciences
Zoe Meziere, Walter A. Rich, Susana Carvalho, Francesca Benzoni, Xose Anxelu G Moran, Michael L. Berumen
Summary: S. pistillata is actually composed of four genetically distinct lineages with different evolutionary histories and geographical distributions. Most studies have focused on the impact of single stressors, neglecting the combined effects of multiple stressors. The majority of research has been conducted in laboratory settings, with only a small percentage in field conditions, making it challenging to draw general conclusions about the effects of stressors on S. pistillata.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Microbiology
Mohd Ikram Ansari, Maria Li Calleja, Luis Silva, Miguel Viegas, David Kamanda Ngugi, Tamara Megan Huete-Stauffer, Xose Anxelu G. Moran
Summary: Autotrophic and heterotrophic bacterioplankton play essential roles in the biogeochemistry of tropical ecosystems. This study provides a high-frequency assessment of bacterial community dynamics and the associated environmental factors in Red Sea coastal waters. The results reveal the importance of temperature, chlorophyll-a, and dissolved organic carbon concentration in shaping bacterial abundance and diversity patterns.
FRONTIERS IN MICROBIOLOGY
(2022)
Article
Environmental Sciences
Xose Anxelu G. Moran, Nestor Arandia-Gorostidi, Tamara Megan Huete-Stauffer, Laura Alonso-Saez
Summary: This study explores the impact of temperature on the functional diversity of dissolved organic matter (DOM) utilization. The results show that temperature not only affects the rate of carbon utilization, but also alters the diversity of substrates utilized. Additionally, the study finds a positive correlation between seawater temperature and the number of substrates utilized, with functional richness increasing as temperature rises and reaching a peak at 16 degrees C.
ENVIRONMENTAL MICROBIOLOGY REPORTS
(2023)
Article
Microbiology
Abbrar Labban, Ahmed A. Shibl, Maria Ll. Calleja, Pei-Ying Hong, Xose Anxelu G. Moran
Summary: This study investigated the growth and gene expression changes of a Prochlorococcus strain from the Red Sea under different temperatures. The results showed that the growth rate and cell size of the Prochlorococcus increased significantly with temperature. However, at 30 degrees C, genes involved in carbon fixation and photosynthetic electron transport were downregulated, indicating a temperature response mechanism. The study suggests that Prochlorococcus can modulate its gene expression to adapt to lower temperatures but is unable to cope with temperatures exceeding 30 degrees C.
ENVIRONMENTAL MICROBIOLOGY
(2023)
Article
Environmental Sciences
Xuerong Sun, Robert J. W. Brewin, Shubha Sathyendranath, Giorgio Dall'Olmo, Ruth Airs, Ray Barlow, Astrid Bracher, Vanda Brotas, Malika Kheireddine, Tarron Lamont, Emilio Maranon, Xose Anxelu G. Moran, Dionysios E. Raitsos, Fang Shen, Gavin H. Tilstone
Summary: Understanding the response of phytoplankton to climate change is crucial, and satellite remote sensing of ocean colour is the only means of monitoring phytoplankton at large scales. However, addressing ambiguity in ocean colour signal is necessary for developing algorithms for climate change studies. Enriching ocean colour data with sea surface temperature information can help tackle this issue.
REMOTE SENSING OF ENVIRONMENT
(2023)
Article
Multidisciplinary Sciences
Florian Roth, Elias Broman, Xiaole Sun, Stefano Bonaglia, Francisco Nascimento, John Prytherch, Volker Bruechert, Maysoon Lundevall Zara, Maerta Brunberg, Marc C. Geibel, Christoph Humborg, Alf Norkko
Summary: Coastal ecosystems, promoted as nature-based climate change mitigation solutions, emit methane that can offset a significant portion of their carbon sink capacity attributed to CO2 uptake. The methane emissions from macroalgae and mixed vegetation habitats account for 28% and 35% of their CO2 uptake capacity respectively, while unvegetated sediment emissions contribute to a 57% increase in CO2 release. Considering methane emissions is crucial for understanding the potential of coastal ecosystems as atmospheric carbon sinks and developing effective climate mitigation strategies.
NATURE COMMUNICATIONS
(2023)
Article
Environmental Sciences
Susana Carvalho, Zahra Alsaffar, Joanne Ellis, Hamed Alghamdi, Joao Curdia
Summary: This study examines the diversity patterns of soft-sediment macrobenthic communities along the eastern Red Sea margin and the role of sediment composition in determining these patterns. The results show high small-scale variability, with a high percentage of rare species and species replacement dominating over nestedness. Sedimentary characteristics, specifically grain-size, play a critical role in governing the distribution of soft-sediment macrobenthic communities in the Red Sea.
FRONTIERS IN MARINE SCIENCE
(2023)
Article
Environmental Sciences
Vincent Saderne, Aislinn Francesca Dunne, Walter Ambrose Rich, Ronald Cadiz, Susana Carvalho, Joao Curdia, Alexander Kattan
Summary: Seagrass ecosystems act as carbon sinks, sequestering carbon as organic matter in sediment. However, they are also a major source of methane, a potent greenhouse gas that limits their carbon sink capacity. This study conducted a one-year survey on carbon dioxide and methane concentrations and air-sea fluxes in Red Sea seagrass ecosystems, revealing that all ecosystems were sources of methane and carbon dioxide. Findings suggest that lagoons may play a significant role in greenhouse gas emissions, and seagrass can contribute to climate change mitigation compared to bare sediments.
COMMUNICATIONS EARTH & ENVIRONMENT
(2023)
Article
Biology
Susana Carvalho, Hailey Shchepanik, Eva Aylagas, Michael L. Berumen, Filipe O. Costa, Mark John Costello, Sofia Duarte, Jasmine Ferrario, Oliver Floerl, Moritz Heinle, Stelios Katsanevakis, Agnese Marchini, Sergej Olenin, John K. Pearman, Raquel S. Peixoto, Lotfi J. Rabaoui, Greg Ruiz, Greta Srebaliene, Thomas W. Therriault, Pedro E. Vieira, Anastasija Zaiko
Summary: Managing marine nonindigenous species is challenging due to the highly connected marine environments that allow for the dispersal of species across geopolitical borders. Inconsistent biosecurity management across borders can lead to the spread of nonindigenous species, often unnoticed or unreported. Collaborative surveillance programs and databases can enhance early detection and information exchange, while local reference libraries, databases, and predictive modeling can aid in biosecurity program development.
Article
Ecology
Dag L. Aksnes, Anita S. Lotvedt, Christian Lindemann, Maria Li Calleja, Xose Anxelu G. Moran, Stein Kaarvedt, T. Frede Thingstad
Summary: This study reveals the important role of mesopelagic fishes and invertebrates in the biological carbon pump through their effects on various fluxes. By analyzing a depth-resolved food-web model, researchers found that these organisms have a significant impact on carbon export and sequestration. The results indicate that fish diel vertical migration enhances carbon sequestration and influences the relative contribution of different fluxes through microbial food-web cascades.
MARINE ECOLOGY PROGRESS SERIES
(2023)
Article
Multidisciplinary Sciences
Helena Villela, Fluvio Modolon, Junia Schultz, Nathalia Delgadillo-Ordonez, Susana Carvalho, Adriana Ururahy Soriano, Raquel Silva Peixoto
Summary: We investigated the oil degradation genetic potential of six oil-degrading bacteria isolated from the hydrocoral Millepora alcicornis and seawater. Taxonomic identification differed from that of the original paper when whole genome gene markers were used. Genes responsible for the degradation of aromatic hydrocarbons and n-alkanes were found in all genomes, with unique metabolic pathways present in each strain. Our findings highlight the importance of using bacterial consortia for bioremediation approaches and propose a genome-based framework for selecting complementary oil-degrading bacteria for coral health.
SCIENTIFIC REPORTS
(2023)
Article
Genetics & Heredity
Tamara Megan Huete-Stauffer, Ramiro Logares, Mohd Ikram Ansari, Anders Rostad, Maria Lluch Calleja, Xose Anxelu G. Moran
Summary: We found variability in physico-chemical variables in the mesopelagic layer, with distinct seasonal indicator prokaryotes inhabiting the DSL. The deep scattering layer (DSL) contributes uniquely and in a high proportion to the diversity of the Red Sea mesopelagic.
ENVIRONMENTAL MICROBIOME
(2023)
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)