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Revealing NOD1-Activating Gram-Positive Gut Microbiota via in Vivo Labeling with a meso-Diaminopimelic Acid Probe.
ACS Chem Biol
January 2025
Institute of Molecular Medicine, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China.
As an important receptor in a host's immune and metabolic systems, NOD1 is usually activated by Gram-negative bacteria having -diaminopimelic acid (-DAP) in their peptidoglycan (PGN). But some atypical Gram-positive bacteria also contain -DAP in their PGN, giving them the potential to activate NOD1. The prevalence of -DAP-type Gram-positive bacteria in the gut, however, remains largely unknown.
View Article and Find Full Text PDFAssessment of Bacteriological Quality and Antibiotic Resistance in Locally and Industrially Produced Ice Creams: A Study on Probiotic Incorporation for Enhanced Safety and Health Benefits in Kushtia City, Bangladesh.
Probiotics Antimicrob Proteins
January 2025
Department of Biotechnology and Genetic Engineering, Faculty of Biological Science, Islamic University, Kushtia, 7003, Bangladesh.
Ice creams are consumable foods that have the potential to be used as probiotic carriers. The purpose of this study was to evaluate the bacteriological quality (i.e.
View Article and Find Full Text PDFInterlaboratory assays from the fungal PCR Initiative and the Modimucor Study Group to improve qPCR detection of Mucorales DNA in serum: one more step toward standardization.
J Clin Microbiol
December 2024
Chrono-environnement UMR6249, CNRS, University of Franche-Comté, Besançon, Bourgogne-Franche-Comté, France.
Unlabelled: The aim of this study was to identify parameters influencing DNA extraction and PCR amplification efficiencies in an attempt to standardize Mucorales qPCR. The Fungal PCR Initiative Mucorales Laboratory Working Group distributed two panels of simulated samples to 26 laboratories: Panel A (six sera spiked with Mucorales DNA and one negative control serum) and Panel B (six Mucorales DNA extracts). Panel A underwent DNA extraction in each laboratory according to the local procedure and were sent to a central laboratory for testing using three different qPCR techniques: one in-house qPCR assay and two commercial assays (MucorGenius and Fungiplex).
View Article and Find Full Text PDFInduction of innate immunity and plant growth promotion in tomato unveils the antiviral nature of bacterial endophytes against groundnut bud necrosis virus.
J Virol
December 2024
Agriculture College and Research Institute, Kudumiyanmalai, Pudukottai, Tamil Nadu, India.
Tomato is an important crop worldwide, but groundnut bud necrosis virus (GBNV) often hampers its growth. This study investigates the antiviral potential of bacterial endophytes, including CNEB54, CNEB4, CNEB26, and BAVE5 against GBNV, as well as their ability to enhance immunity and growth in tomato. All four bacterial isolates demonstrated a significant delay in GBNV symptom development 10 days post-inoculation, with disease incidence ranging from 18% to 36% compared to 84% in control.
View Article and Find Full Text PDFNovel inhibition of sortase A by plantamajoside: implications for controlling multidrug-resistant infections.
Appl Environ Microbiol
December 2024
Department of Gastrocolorectal Surgery, General Surgery Center, The First Hospital of Jilin University, Changchun, Jilin, China.
In confronting the significant challenge posed by multidrug-resistant (MDR) pathogens, particularly methicillin-resistant (MRSA), the development of innovative anti-infective strategies is essential. Our research focuses on sortase A (SrtA), a vital enzyme for anchoring surface proteins in . We discovered that plantamajoside (PMS), a phenylpropanoid glycoside extracted from .
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