A complete understanding of the plant microbiome has not yet been achieved due to its complexity and temporal shifts in the community structure. To overcome these issues, we created a synthetic bacterial community of the aquatic plant, duckweed. The synthetic community established with six bacterial strains showed a stable composition for 50 days, which may have been because duckweed maintains a similar physiological status through its clonal reproduction. Additionally, the synthetic community reflected the taxonomic structure of the natural duckweed microbiome at the family level. These results suggest the potential of a duckweed-based synthetic community as a useful model system for examining the community assembly mechanisms of the plant microbiome.
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http://dx.doi.org/10.1264/jsme2.ME20112 | DOI Listing |
ISME J
January 2025
Biology Department, University of Massachusetts Boston, Boston, MA 02125.
Multi-species mutualistic interactions are ubiquitous and essential in nature, yet they face several threats, many of which have been exacerbated in the Anthropocene era. Understanding the factors that drive the stability and persistence of mutualism has become increasingly important in light of global change. Although dispersal is widely recognized as a crucial spatially explicit process in maintaining biodiversity and community structure, knowledge about how the dispersal of mutualists contributes to the persistence of mutualistic systems remains limited.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil.
Background: Long-COVID is characterized by persistent symptoms post-infection with SARS-CoV-2. This condition includes neurological manifestations and has been proposed as a potential risk factor for the development of dementia. Individuals presenting with dementia due to Alzheimer's disease have dysfunctional brain metabolism, including metabolic brain network (MBN) hypoconnectivity.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil.
Background: Long-COVID is characterized by persistent symptoms post-infection with SARS-CoV-2. This condition includes neurological manifestations and has been proposed as a potential risk factor for the development of dementia. Individuals presenting with dementia due to Alzheimer's disease have dysfunctional brain metabolism, including metabolic brain network (MBN) hypoconnectivity.
View Article and Find Full Text PDFMod Rheumatol
December 2024
Department of Orthopedic Surgery, Nagoya University Graduate School of Medicine, Nagoya, Aichi 4668560, Japan.
Objectives: To identify factors associated with probable sarcopenia in patients with rheumatoid arthritis (RA).
Methods: Probable sarcopenia was diagnosed using the SARC-F questionnaire. Patients with difficult-to-treat RA (D2T-RA) were defined as those with a history of using ≥2 biological/targeted synthetic (b/ts) disease-modifying antirheumatic drugs (b/tsDMARDs) who had moderate or high disease activity.
Nature
January 2025
Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY, USA.
High-throughput experimentation (HTE) has accelerated academic and industrial chemical research in reaction development and drug discovery and has been broadly applied in many domains of organic chemistry. However, application of HTE in electrosynthesis-an enabling tool for chemical synthesis-has been limited by a dearth of suitable standardized reactors. Here we report the development of microelectronic devices, which are produced using standard nanofabrication techniques, to enable wireless electrosynthesis on the microlitre scale.
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