Article
Biotechnology & Applied Microbiology
Yicen Lin, Xinming Xu, Gergely Maroti, Mikael Lenz Strube, Akos T. Kovacs
Summary: The diverse ecology of the Bacillus cereus group plays an important role in their adaptation to the biofilm lifestyle. Experimental evolution reveals that genetic diversification of multicellular traits enhances competitive ability, and disruption of a guanylyltransferase gene by an insertion sequence contributes to adaptation.
NPJ BIOFILMS AND MICROBIOMES
(2022)
Article
Environmental Sciences
Mahmoud R. Sofy, Akram A. Aboseidah, Samia A. Heneidak, Hoda R. Ahmed
Summary: This study focused on the role of isolated bacteria in alleviating the harmful effects of salt stress on plants. Results showed that treatment with endophytic bacteria significantly increased plant resistance to salt stress by enhancing enzymatic and non-enzymatic antioxidant defenses, osmolyte substances, and antioxidant enzyme gene expression. The use of endophytic bacteria also led to decreased Na+ accumulation and increased K+ uptake in plant tissues, ultimately improving salt tolerance in pea plants.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Biology
Pedro Gomez, Alex R. Hall, Steve Paterson, Angus Buckling
Summary: Interactions between microbes can both constrain and enhance their adaptation to the environment. In a study with a commercial potting compost microbial community, the presence of the community did not constrain the adaptation of the soil bacterium Pseudomonas fluorescens SBW25, but some mutations that were beneficial in the abiotic environment were costly in the presence of the community. Whole-genome sequencing revealed clone-specific mutations supporting multiple genetic pathways to adaptation.
Article
Multidisciplinary Sciences
Erik D. Enbody, Mats E. Pettersson, C. Grace Sprehn, Stefan Palm, Hakan Wickstrom, Leif Andersson
Summary: Research shows that European eels belong to a single panmictic population with no geographical genetic differentiation. The predominant mechanism for European eels to respond to diverse environmental conditions is phenotypic plasticity rather than genetic adaptation.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2021)
Article
Immunology
Kyu Hwan Kwack, Eun-Young Jang, Seok Bin Yang, Jae-Hyung Lee, Ji-Hoi Moon
Summary: This study compared the virulence and whole genome sequences of five Prevotella intermedia strains. It revealed subtle genetic differences related to glycosylation and the acquisition of carbohydrates and iron/haem, which may contribute to the diversity of virulence and phenotypic traits among P. intermedia strains.
Article
Microbiology
Nadia Riera, Danilo Davyt, Rosario Duran, Gregorio Iraola, Philippe Lemanceau, Natalia Bajsa
Summary: Pseudomonas fluorescens CFBP2392 has been found to have antibacterial and antifungal activities, and can effectively inhibit the growth of various plant pathogens and affect the ultrastructure of fungi. Genomic analysis identified multiple biosynthetic gene clusters involved in specialized metabolite production, providing a basis for further exploration of the potential of specialized metabolites in this strain.
FRONTIERS IN MICROBIOLOGY
(2023)
Article
Ecology
Jiaqi Tan, Julia E. Kerstetter, Martin M. Turcotte
Summary: The study demonstrates the eco-evolutionary dynamics between the microbiome and a constituent member in influencing the fitness of the host plant. The presence of microbiome promotes rapid evolution of specific member, leading to changes in microbiome species composition and impacting host fitness.
NATURE ECOLOGY & EVOLUTION
(2021)
Review
Microbiology
Amber Grace, Rajnish Sahu, Donald R. R. Owen, Vida A. A. Dennis
Summary: Pseudomonas aeruginosa is a common pathogen that has been identified as a multi-drug resistant strain. PAO1 and PA14, two laboratory strains, have contributed significantly to our understanding of the bacterium. However, there are discrepancies between their behaviors and therapeutic susceptibilities observed in human infections. This review aims to compare the two strains and propose methods to improve their clinical relevance.
FRONTIERS IN MICROBIOLOGY
(2022)
Article
Biochemistry & Molecular Biology
Wei-Yun Lai, Christian Schloetterer
Summary: The study found that after 100 generations of adaptation to a new laboratory environment, the variance of gene expression in Drosophila simulans males was significantly reduced in 125 and 97 genes, suggesting that the drastic loss in environmental complexity may have triggered selection for reduced variance. This observation could have important implications for studies of adaptation processes in natural and experimental populations.
Article
Ecology
Ana del Arco, Lutz Becks, Inmaculada de Vicente
Summary: The ecological risk assessment of chemicals neglects the ecological and evolutionary interplay in communities. Considering these factors can lead to improved assessments by testing for implications within and across trophic levels and changes in population diversity. This study presents a simple experimental system to evaluate the ecological and evolutionary responses of a microbial community to chemical exposure.
Article
Multidisciplinary Sciences
Matthew J. Wersebe, Lawrence J. Weider
Summary: Ecologists and evolutionary biologists have found that the keystone aquatic herbivore, Daphnia pulicaria, can rapidly adapt to increasing freshwater salinization by evolving increased salinity tolerance. Using a resurrection genomics approach, researchers studied a severely salinized lake in Minnesota, USA and found that many regions of the genome containing genes related to osmoregulation are under selection in the study population. Tolerance assays of clones revealed that the most recent clones are more tolerant to salinity than older clones, suggesting that rapid adaptation to salinity may allow Daphnia populations to persist in the face of anthropogenic salinization and maintain the food webs and ecosystem services they support despite global environmental change.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2023)
Article
Microbiology
Andrew Matthews, Afshan Majeed, Timothy G. Barraclough, Ben Raymond
Summary: Rhizobacterial communities play a crucial role in plant health, but their construction and manipulation are still poorly understood. High-throughput 16S rRNA sequencing provides valuable taxonomic information, but may not accurately represent functional traits. This study demonstrates that functional traits are better indicators of community membership than phylogenetic origin, with different plant hosts and soil types influencing the diversity and characteristics of rhizobacterial communities.
ENVIRONMENTAL MICROBIOLOGY
(2021)
Article
Microbiology
Pengyu Wu, Zhaopu Wang, Qiuyan Zhu, Zhixiong Xie, Yuxia Mei, Yunxiang Liang, Zhenmin Chen
Summary: Research on different stress preadaptation methods for P. fluorescens ATCC13525 showed that preadapting to low stress conditions can improve its tolerance to high lethal stress environments. Knockout of rpoS and hfq genes resulted in slower culture growth, while the overexpression of these genes significantly enhanced growth.
MICROBIOLOGICAL RESEARCH
(2021)
Article
Multidisciplinary Sciences
Patricio Javier Barra, Paola Duran, Mabel Delgado, Sharon Viscardi, Stephane Claverol, Giovanni Larama, Marc Dumont, Maria de la Luz Mora
Summary: This study investigated the effects of aluminum stress and phosphorus deficiency on the proteome of aluminum-tolerant phosphobacteria. Phosphorus deficiency upregulated phosphorus metabolism proteins, while aluminum exposure downregulated iron-sulfur and heme-containing proteins and upregulated iron acquisition proteins. These findings suggest that aluminum has an impact on iron homeostasis and bacterial central metabolism.
Article
Microbiology
Dangfeng Wang, Fangchao Cui, Likun Ren, Xiqian Tan, Xinran Lv, Qiuying Li, Jianrong Li, Tingting Li
Summary: In this study, the complete genome of Pseudomonas fluorescens PF08 was sequenced, revealing key genes involved in spoilage potential and the role of the quorum sensing (QS) system in regulating spoilage-related genes and stress response. These findings provide valuable insights into the spoilage features of Pseudomonas fluorescens PF08 from a genomic perspective.
FRONTIERS IN MICROBIOLOGY
(2022)
Article
Microbiology
Lars Behrendt, Erik L. Trampe, Nadia B. Nord, Jen Nguyen, Michael Kuhl, Danijela Lonco, Alex Nyarko, Ali Dhinojwala, Olivia S. Hershey, Hazel Barton
ENVIRONMENTAL MICROBIOLOGY
(2020)
Article
Geology
Max Wisshak, Hazel A. Barton, Katey E. Bender, Harvey R. DuChene
INTERNATIONAL JOURNAL OF SPELEOLOGY
(2020)
Article
Engineering, Environmental
Sebastian Engelhardt, Jorg Vogel, Stephen E. Duirk, Francisco B. Moore, Hazel A. Barton
JOURNAL OF WATER PROCESS ENGINEERING
(2019)
Article
Engineering, Biomedical
Shantanu P. Nikam, Karissa Nettleton, Jeffrey Everitt, Hazel A. Barton, Matthew L. Becker
ACTA BIOMATERIALIA
(2020)
Article
Engineering, Environmental
Sebastian Engelhardt, Jorg Vogel, Stephen E. Duirk, Francisco B. Moore, Hazel A. Barton
JOURNAL OF WATER PROCESS ENGINEERING
(2020)
Article
Geology
Hazel Barton
INTERNATIONAL JOURNAL OF SPELEOLOGY
(2020)
Article
Biochemistry & Molecular Biology
Alex Nyarko, Saranshu Singla, Hazel A. Barton, Ali Dhinojwala
Article
Microbiology
Jacob P. Beam, Eric D. Becraft, Julia M. Brown, Frederik Schulz, Jessica K. Jarett, Oliver Bezuidt, Nicole J. Poulton, Kayla Clark, Peter F. Dunfield, Nikolai V. Ravin, John R. Spear, Brian P. Hedlund, Konstantinos A. Kormas, Stefan M. Sievert, Mostafa S. Elshahed, Hazel A. Barton, Matthew B. Stott, Jonathan A. Eisen, Duane P. Moser, Tullis C. Onstott, Tanja Woyke, Ramunas Stepanauskas
FRONTIERS IN MICROBIOLOGY
(2020)
Article
Microbiology
Ada K. Hagan, Begum D. Topcuoglu, Mia E. Gregory, Hazel A. Barton, Patrick D. Schloss
Article
Chemistry, Multidisciplinary
Apoorva Vishwakarma, Francis Dang, Allison Ferrell, Hazel A. Barton, Abraham Joy
Summary: Over 80% of chronic bacterial infections in humans are linked to biofilms, which provide significant resistance to antibiotics and host immune responses. Water-soluble synthetic peptidomimetic polyurethanes have shown potential in disrupting established biofilms and inhibiting biofilm formation without toxicity to mammalian cells.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2021)
Article
Geology
Katey E. Bender, Katelyn Glover, Alexander Archey, Hazel A. Barton
INTERNATIONAL JOURNAL OF SPELEOLOGY
(2020)
Article
Geology
Sebastian Engelhardt, Katey Bender, Jorg Vogel, Stephen Duirk, Francisco Moore, Hazel Barton
INTERNATIONAL JOURNAL OF SPELEOLOGY
(2020)
Article
Nanoscience & Nanotechnology
Shahrzad Abri, Ashwin Amar Ghatpande, Jacob Ress, Hazel A. Barton, Nic D. Leipzig
ACS APPLIED BIO MATERIALS
(2019)
Article
Microbiology
Han Ming Gan, Peter C. Wengert, Hazel A. Barton, Andre O. Hudson, Michael A. Savka
MICROBIOLOGY RESOURCE ANNOUNCEMENTS
(2019)
Meeting Abstract
Chemistry, Multidisciplinary
Chao Peng, Steven Mankoci, Apoorva Vishwakarma, Chinnapatch Tantisuwanno, Hazel Barton, Abraham Joy
ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
(2019)