Article
Geochemistry & Geophysics
Melissa M. Mills, Amanda C. Sanchez, Lydia Boisvert, Clay B. Payne, Tuan A. Ho, Yifeng Wang
Summary: Bentonite, specifically smectite, has been suggested as a buffer material in nuclear waste repositories due to its desirable properties. This study investigates the hydrothermal alteration of smectite to illite, a process that could affect the isolation performance of the material. The results show that the conversion could be relatively fast, contradicting previous assumptions, and that a high potassium concentration is necessary for the structural transition. The overall conversion is limited by the dissolved silica concentration, and the addition of chemical additives can further inhibit the conversion.
Article
Virology
Olesya A. Kazantseva, Rustam M. Buzikov, Tatsiana A. Pilipchuk, Leonid N. Valentovich, Andrey N. Kazantsev, Emilia I. Kalamiyets, Andrey M. Shadrin
Summary: This work describes a new Pseudomonas phage Pf-10, which is part of the biopesticide Multiphage used for bacterial diseases of agricultural crops. The phage has a fast adsorption rate, lytic activity, and is highly stable under different conditions.
Article
Microbiology
Ayman Badran, Nerhan A. Eid, Amr R. Hassan, Henda Mahmoudi
Summary: This study evaluated the effect of the interaction between quinoa and endophytic bacterial strains on differential responses under biotic stress. The results showed that quinoa plants inoculated with endophytic bacteria had significantly higher chlorophyll content index and grain yield compared to those without bacterial inoculum.
FRONTIERS IN MICROBIOLOGY
(2023)
Article
Microbiology
Ayantu W. Idosa, Daniel J. Wozniak, Luanne Hall-Stoodley
Summary: This study investigated the interaction between Pseudomonas aeruginosa and Mycobacterium abscessus and found an antagonistic interaction favoring P. aeruginosa in biofilms. This antagonism was observed in multiple P. aeruginosa strains and against Mycobacterium smegmatis. The study suggests that known mechanisms of interbacterial competition are not responsible for the antagonistic effect of P. aeruginosa toward M. abscessus, and a novel antibacterial strategy may be involved.
MICROBIOLOGY SPECTRUM
(2022)
Article
Plant Sciences
Noel Djitro, Rebecca Roach, Rachel Mann, Brendan Rodoni, Cherie Gambley
Summary: This study reports the first identification of Pseudomonas syringae strains infecting zucchini in Australia, causing significant yield losses. The isolates exhibited variations in pathogenicity across different plant species and some produced fluorescent pigment. Additionally, it was discovered that different zucchini varieties showed varying levels of susceptibility to the isolates.
Article
Multidisciplinary Sciences
Calvin K. Lee, William C. Schmidt, Shanice S. Webster, Jonathan W. Chen, George A. O'Toole, Gerard C. L. Wong
Summary: This study reveals that changes in c-di-GMP levels in bacterial biofilms are not the sole factor determining surface commitment, as oscillations in c-di-GMP levels can propagate across generations. Additionally, the study demonstrates that modulation of c-di-GMP signals and cooperative surface commitment can be influenced by varying the interaction strength between PilO and SadC.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2022)
Article
Biochemistry & Molecular Biology
Fatima-Zahra Ait-Itto, James A. Behan, Mathieu Martinez, Frederic Barriere
Summary: This study investigated the feasibility of using ancient marine sediments as inoculum for bioanode development in microbial fuel cells (MFC). The results showed the presence of two exoelectrogenic bacterial genera in these iron-rich sediments and confirmed that the development of the bioanode derived from the native microbiota. This study has important implications for understanding the role of these bacteria in broader paleoenvironmental phenomena.
BIOELECTROCHEMISTRY
(2024)
Article
Engineering, Environmental
Nanqing Zhou, Robert J. Kupper, Jeffrey G. Catalano, Aaron Thompson, Clara S. Chan
Summary: This study demonstrates that Fe(II)-smectite can support microbial growth and expands the mechanisms of Fe(II)-smectite alteration in the environment.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2022)
Article
Chemistry, Physical
Wei Zhang, Shanxiong Chen, Kaiwen Tong, Shichang Li, Kang Huang, Zhangjun Dai, Lijiao Luo
Summary: Understanding the swelling properties of clay minerals is crucial for environmental science and engineering applications. Studies have shown that interlayer cations and layer charge location significantly impact the swelling behavior of clay minerals.
JOURNAL OF PHYSICAL CHEMISTRY C
(2022)
Article
Microbiology
Nataliia Korniienko, Alla Kharina, Nikita Zrelovs, Barbora Jindrichova, Tomas Moravec, Iryna Budzanivska, Lenka Burketova, Tetiana Kalachova
Summary: In this study, two phages were isolated from market-bought pepper fruit and characterized. One of the phages was found to significantly inhibit the propagation of Pseudomonas syringae pv. tomato in plant tissues. This research contributes to the understanding of phage-host interactions in different plant systems and suggests the potential use of this phage as a biocontrol agent.
FRONTIERS IN MICROBIOLOGY
(2022)
Article
Environmental Sciences
Xinyu Zhang, Ying Li, Kexin Zhang, Yansong Yin, Jie Wang, Luocheng Wang, Zhexing Wang, Ruiling Zhang, Haijun Wang, Zhong Zhang
Summary: Graphene oxide (GO) is widely used in various fields and its release into the environment is increasing. It has been found that GO leads to bacterial overgrowth and affects bacteriophage infection. The presence of GO expands biofilms and hinders the ability of bacteriophages to kill bacteria and reproduce. Additionally, adding GO to sewage increases bacterial diversity and richness.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Editorial Material
Plant Sciences
Jian Chen, Rouhallah Shari, Choong-Min Ryu
Summary: Sieber et al. discovered a new volatile signaling molecule, leudiazen, and showed that inactivating it can reduce the pathogenicity of Pseudomonas synngae pv. synngae, providing a new plant protection strategy compatible with organic farming.
TRENDS IN PLANT SCIENCE
(2022)
Article
Multidisciplinary Sciences
Regina Hanlon, Celia Jimenez-Sanchez, James Benson, Ken Aho, Cindy Morris, Teresa M. Seifried, Philipp Baloh, Hinrich Grothe, David Schmale
Summary: The study found various haplotypes of Pseudomonas syringae in freshwater lakes in Austria, and some strains expressed ice nucleation protein. Additionally, robotic technologies show potential in sampling and characterizing microbial life in remote settings.
Article
Microbiology
Xuerui Bao, Ellen Goeteyn, Aurelie Crabbe, Tom Coenye
Summary: D,L-malate enhances ciprofloxacin activity against P. aeruginosa, improving antibiotic therapy in infection environments. The choice of model system influences the outcome of the experiment, emphasizing the importance of using models that closely mimic the in vivo environment. This study confirms the potential of D,L-malate to enhance ciprofloxacin activity against P. aeruginosa-associated infections.
ANTIMICROBIAL AGENTS AND CHEMOTHERAPY
(2023)
Article
Chemistry, Multidisciplinary
Junyoung Hwang, Ronny Pini
Summary: This study investigates the sorption properties of four source clay minerals for water and the adsorption of CO2 and CH4 on different clay minerals in the presence of water. The results show that physisorption analysis by N2 and Ar gases is not suitable for quantifying the textural properties of clays, and water does not compete with gas adsorption on certain clay minerals.
Article
Environmental Sciences
Shruti Khadka Mishra, John Hayse, Thomas Veselka, Eugene Yan, Rijan Bhakta Kayastha, Kirk LaGory, Kyle McDonald, Nicholas Steiner
ENVIRONMENTAL SCIENCE & POLICY
(2018)
Article
Biodiversity Conservation
Nicholas C. Parazoo, Almut Arneth, Thomas A. M. Pugh, Ben Smith, Nicholas Steiner, Kristina Luus, Roisin Commane, Josh Benmergui, Eric Stofferahn, Junjie Liu, Christian Roedenbeck, Randy Kawa, Eugenie Euskirchen, Donatella Zona, Kyle Arndt, Walt Oechel, Charles Miller
GLOBAL CHANGE BIOLOGY
(2018)
Article
Geosciences, Multidisciplinary
M. Tedesco, M. Luthje, K. Steffen, N. Steiner, X. Fettweis, I. Willis, N. Bayou, A. Banwell
GEOPHYSICAL RESEARCH LETTERS
(2012)
Article
Geography, Physical
M. Tedesco, C. M. Foreman, J. Anton, N. Steiner, T. Schwartzman
ANNALS OF GLACIOLOGY
(2013)
Article
Environmental Sciences
Katherine Jensen, Kyle McDonald, Erika Podest, Nereida Rodriguez-Alvarez, Viviana Horna, Nicholas Steiner
Article
Geosciences, Multidisciplinary
N. E. Barrand, D. G. Vaughan, N. Steiner, M. Tedesco, P. Kuipers Munneke, M. R. van den Broeke, J. S. Hosking
JOURNAL OF GEOPHYSICAL RESEARCH-EARTH SURFACE
(2013)
Review
Geochemistry & Geophysics
Bryan N. Duncan, Lesley E. Ott, James B. Abshire, Ludovic Brucker, Mark L. Carroll, James Carton, Josefino C. Comiso, Emmanuel P. Dinnat, Bruce C. Forbes, Alemu Gonsamo, Watson W. Gregg, Dorothy K. Hall, Iolanda Ialongo, Randi Jandt, Ralph A. Kahn, Alexey Karpechko, Stephan R. Kawa, Seiji Kato, Timo Kumpula, Erkki Kyrola, Tatiana V. Loboda, Kyle C. McDonald, Paul M. Montesano, Ray Nassar, Christopher S. R. Neigh, Claire L. Parkinson, Benjamin Poulter, Jouni Pulliainen, Kimmo Rautiainen, Brendan M. Rogers, Cecile S. Rousseaux, Amber J. Soja, Nicholas Steiner, Johanna Tamminen, Patrick C. Taylor, Maria A. Tzortziou, Henrik Virta, James S. Wang, Jennifer D. Watts, David M. Winker, Dong L. Wu
REVIEWS OF GEOPHYSICS
(2020)
Article
Ecology
Michael Gregory Brown, Kyle C. McDonald, Reiner Zimmermann, Nicholas Steiner, Stephanie DeVries, Laura Bourgeau-Chavez
Summary: This study presents multi-year in situ measurements of seasonal vegetation growth and soil properties from two sites on Alaska's North Slope. The results show that the dry site has greater variability in vegetation phenophases and soil conditions compared to the wet site.
Article
Geochemistry & Geophysics
Yilman S. S. Pineda, Stephanie L. L. Devries, Nicholas C. C. Steiner, Karin A. A. Block-Cora
Summary: We conducted column experiments using tailing heap samples from the Picacho mine in California to investigate the leaching ability of native Gram-negative bacteria, Alcaligenes faecalis, on gold. By mimicking heap leaching, unprocessed and unsorted tailings were leached with different treatments, including deionized water, bacteria, NaCN by bacteria, and NaCN. The results showed that the gold recovered from the columns treated with A. faecalis and NaCN followed by A. faecalis was higher than the control group treated with deionized water alone, but lower than the columns treated with cyanide. The heterogeneity of gold distribution in the samples may contribute to the variable yields observed.
Article
Geography, Physical
Corey Scher, Nicholas C. Steiner, Kyle C. McDonald
Summary: The study utilized time series synthetic aperture radar imagery to analyze seasonal glacier melt dynamics in the Hindu Kush Himalayas region. It found that all glacier areas show some degree of melting, with durations spanning over two-thirds of the year at elevations below 4000 meters and nearly half of the year at elevations exceeding 7000 meters. These melt signals reflect broad-scale trends in glacier mass balance across the region.
Article
Ecology
Nataniel M. Holtzman, Leander D. L. Anderegg, Simon Kraatz, Alex Mavrovic, Oliver Sonnentag, Christoforos Pappas, Michael H. Cosh, Alexandre Langlois, Tarendra Lakhankar, Derek Tesser, Nicholas Steiner, Andreas Colliander, Alexandre Roy, Alexandra G. Konings
Summary: Vegetation optical depth (VOD) correlated with total water in vegetation, suggesting a possible relationship between VOD and plant water potential. This study used small-scale remote sensing to test this relationship, finding a significant correlation between remotely sensed VOD and plant water potential.
Article
Environmental Sciences
Sean Hartery, Roisin Commane, Jakob Lindaas, Colm Sweeney, John Henderson, Marikate Mountain, Nicholas Steiner, Kyle McDonald, Steven J. Dinardo, Charles E. Miller, Steven C. Wofsy, Rachel Y. -W. Chang
ATMOSPHERIC CHEMISTRY AND PHYSICS
(2018)
Proceedings Paper
Engineering, Electrical & Electronic
C. Chew, E. Podest, K. C. McDonald, N. Steiner
2017 INTERNATIONAL CONFERENCE ON ELECTROMAGNETICS IN ADVANCED APPLICATIONS (ICEAA)
(2017)
Article
Environmental Sciences
J. M. Henderson, J. Eluszkiewicz, M. E. Mountain, T. Nehrkorn, R. Y. -W. Chang, A. Karion, J. B. Miller, C. Sweeney, N. Steiner, S. C. Wofsy, C. E. Miller
ATMOSPHERIC CHEMISTRY AND PHYSICS
(2015)
Article
Geography, Physical
N. Steiner, M. Tedesco