Article
Geosciences, Multidisciplinary
Andrew J. Wiebe, David L. Rudolph
Summary: This paper presents data collected in the Alder Creek watershed within the Grand River basin in Ontario, Canada. The availability of these data is crucial for analyzing recharge rates and human impacts on streamflow in the watershed.
EARTH SYSTEM SCIENCE DATA
(2022)
Article
Environmental Sciences
Porcha McCurdy, Ingrid Luffman, T. Andrew Joyner, Kurt Maier
Summary: The study found that during storm events, E. coli and turbidity significantly increased in Sinking Creek, while E. coli increased more rapidly in the feeder spring. Optical brightener analysis suggested the presence of residential wastewater. Targeted sampling and dye tracing are recommended to confirm this hypothesis.
JOURNAL OF ENVIRONMENTAL QUALITY
(2021)
Article
Geosciences, Multidisciplinary
Peishi Jiang, Pin Shuai, Alexander Sun, Maruti K. Mudunuru, Xingyuan Chen
Summary: A novel knowledge-informed deep learning method is proposed for efficient hydrological model calibration. The method involves two steps: selecting decisive model parameters based on mutual information analysis and constructing an inverse mapping using a deep neural network. The method is applied to calibrate the ATS model and improves its simulation performance.
HYDROLOGY AND EARTH SYSTEM SCIENCES
(2023)
Article
Biotechnology & Applied Microbiology
S. Aparicio-Vazquez, C. Fall, M. Islas-Espinoza, D. Alcantara, V Petranovskii, M. T. Olguin
Summary: The study investigated the conditioning parameters and characterization of silver-modified clinoptilolite-rich tuffs, as well as their bactericidal activity against Escherichia coli. The results show that the inhibition rate of E. coli depends on the release of silver from the modified zeolitic materials and the location of silver ions in the zeolite network. Materials conditioned at room temperature in static contact exhibited the highest bacterial inhibition rate.
ENVIRONMENTAL TECHNOLOGY & INNOVATION
(2021)
Article
Green & Sustainable Science & Technology
Widodo Brontowiyono, Adelia Anju Asmara, Raudatun Jana, Andik Yulianto, Suphia Rahmawati
Summary: This study analyzed the association between land-use changes and water quality in the Opak sub-watershed, identifying different pollutant sources through PCA analysis. By using spatiotemporal-based and multivariate analysis, stakeholders can monitor and control water pollution in the area. The results showed an increasing trend in various water quality parameters from upstream to downstream, with some parameters exceeding water quality standards through spatial analysis.
Article
Chemistry, Physical
Miru Lee, Christoph Lohrmann, Kai Szuttor, Harold Auradou, Christian Holm
Summary: The study focuses on the transport of bacteria in a porous media modeled by a square channel with a cylindrical obstacle, using molecular dynamics simulations and lattice Boltzmann fluid. By varying the external flow strength, bacterial motility, and channel geometry, the research reveals the crucial interactions between bacteria and confining walls for the accumulation process.
Article
Microbiology
Vinicius Silva Castro, Skyler Ngo, Kim Stanford
Summary: This study evaluated 48 E. coli isolates for Shiga toxin production, and only 11 isolates with intact stx gene were able to produce the toxin. Acidic pH down-regulated the production of Shiga toxin, while non-lethal heating at 40°C in neutral pH and milk favored its induction. Two isolates (O26 and O103) showed a higher capacity to produce Shiga toxin and were included in a genomic cluster associated with foodborne outbreaks. The induction of Shiga toxin at 40°C represents a potential risk to consumers, as its pathogenic effect has been proven in an animal model.
FRONTIERS IN MICROBIOLOGY
(2023)
Article
Multidisciplinary Sciences
Philipp Wendering, Marius Arend, Zahra Razaghi-Moghadam, Zoran Nikoloski
Summary: Turnover numbers of enzymes are a key property that can improve the prediction accuracy of cellular phenotypes in metabolic modeling. However, in vitro and in vivo turnover numbers alone do not lead to accurate predictions of condition-specific growth rates of E. coli and S. cerevisiae, especially when considering protein abundances. By correcting turnover numbers using proteomics and physiological data, we demonstrate improved predictions of condition-specific growth rates. Our approach provides a means to correct turnover numbers and catalog kcatomes of other organisms.
NATURE COMMUNICATIONS
(2023)
Article
Environmental Sciences
Qianqian Xie, Long Li, Haoran Dong, Rui Li, Ran Tian, Jie Chen
Summary: The study found that NZVI exhibited higher toxicity under anaerobic conditions. The presence of Cr (VI) reduced the toxicity of NZVI through oxidation-reduction, while the presence of Cd (II) increased the toxicity of NZVI by adsorption. Phosphate and humic acid improved the survival rate of E. coli through complex reactions with Fe (II).
Article
Biochemical Research Methods
Yu Kang, Lina Yuan, Xing Shi, Yanan Chu, Zilong He, Xinmiao Jia, Qiang Lin, Qin Ma, Jian Wang, Jingfa Xiao, Songnian Hu, Zhancheng Gao, Fei Chen, Jun Yu
Summary: This study investigates genome-wide recombination within a species using a dataset of Escherichia coli genomes. The research highlights extensive within-clade recombination and a sharp decline in between-clade recombination, establishing a genetic barrier between clades as phylogenetic distance increases. Recombination plays a critical role in early speciation by optimizing genes and alleles for physiological activities and shaping genetic diversity within populations.
BRIEFINGS IN BIOINFORMATICS
(2021)
Article
Veterinary Sciences
Gustav G. Bruer, Daria Goedecke, Manfred Kietzmann, Jessica Meissner
Summary: The study revealed that florfenicol treatment resulted in increased resistance in E. coli, while combination with antihistamine mepyramine lowered the minimum inhibitory concentration for other bacteria, indicating potential benefits in enhancing antibacterial efficacy and modifying effects on gut microbiota.
VETERINARY SCIENCES
(2021)
Article
Biology
Yamal Al-ramahi, Akos Nyerges, Yago Margolles, Lidia Cerdan, Gyorgyi Ferenc, Csaba Pal, Luis Angel Fernandez, Victor de Lorenzo
Summary: The study utilized ssDNA recombineering and bacterial surface display to evolve a nanobody recognizing the EHEC antigen TirM towards the EPEC antigen TirM by targeting the CDRs of the VHH gene sequence. This method demonstrated the power of combining bacterial evolutionary properties with oligonucleotide synthesis to focus diversification on specific gene segments of interest, bypassing the need for laborious cloning and mutagenesis procedures.
COMMUNICATIONS BIOLOGY
(2021)
Article
Medicine, Research & Experimental
Stefan Toth, Zuzana Fagova, Monika Holodova, Dema Zeidan, Patrick Hartel, Kristina Curgali, Eva Mechirova, Milan Maretta, Radomira Nemcova, Sona Gancarcikova, Marianna Dankova
Summary: This study aimed to investigate the influence of Escherichia coli (E. coli) on the intestinal barrier. The results showed that the colon of germ-free piglets was more resistant to coliform bacterial infection compared to the jejunum. Additionally, the intestinal barrier exhibited a rapid response and better preparation for possible pathological attacks.
Review
Agronomy
Israel A. Olaoye, Remegio B. Confesor, Joseph D. Ortiz
Summary: The study evaluated the impact of agricultural practices on water quality in the Old Woman Creek watershed using a hydrological model. Results showed a strong positive correlation between agricultural land percentage increase and water quality variables, with a large increase in farmland leading to a slight decrease in flow and sediment transport but a significant increase in nutrient transport, potentially degrading the water quality of the OWC estuary.
Article
Agriculture, Dairy & Animal Science
Han Wang, Fang Yang, Zhe-wen Song, Hao-tian Shao, Dong-ying Bai, Yan-bo Ma, Tao Kong, Fan Yang
Summary: This study found that the challenge of Escherichia coli lipopolysaccharide (LPS) affects the pharmacokinetics of danofloxacin in broilers, leading to decreased AUC, Cmax, and t(1/2 lambda z) parameters, and increased Tmax and lambda z parameters.