Results 1 to 10 of about 498,913 (308)

Comparative Transcriptome-Based Mining of Genes Involved in the Export of Polyether Antibiotics for Titer Improvement

open access: yesAntibiotics, 2022
The anti-coccidiosis agent salinomycin is a polyether antibiotic produced by Streptomyces albus BK3-25 with a remarkable titer of 18 g/L at flask scale, suggesting a highly efficient export system.
Xian Liu   +5 more
doaj   +1 more source

Biosynthesis of ansamitocin P-3 incurs stress on the producing strain Actinosynnema pretiosum at multiple targets

open access: yesCommunications Biology, 2023
Microbial bioactive natural products mediate ecologically beneficial functions to the producing strains, and have been widely used in clinic and agriculture with clearly defined targets and underlying mechanisms.
Qungang Huang   +6 more
doaj   +1 more source

Identification of an antivirulence agent targeting the master regulator of virulence genes in Staphylococcus aureus

open access: yesFrontiers in Cellular and Infection Microbiology, 2023
The emergence of bactericidal antibiotic-resistant strains has increased the demand for alternative therapeutic agents, such as antivirulence agents targeting the virulence regulators of pathogens. Staphylococcus aureus exoprotein expression (sae) locus,
Rekha Arya   +5 more
doaj   +1 more source

From Differential Stains to Next Generation Physiology: Chemical Probes to Visualize Bacterial Cell Structure and Physiology

open access: yesMolecules, 2020
Chemical probes have been instrumental in microbiology since its birth as a discipline in the 19th century when chemical dyes were used to visualize structural features of bacterial cells for the first time.
Jonathan Hira   +3 more
doaj   +1 more source

Metagenomic characterization of bacterial community and antibiotic resistance genes found in the mass transit system in Seoul, South Korea

open access: yesEcotoxicology and Environmental Safety, 2022
Mass transit systems, including subways and buses, are useful environments for studying the urban microbiome, as the vast majority of populations in urban areas use public transportation.
Robin B. Guevarra   +9 more
doaj   +1 more source

Endowing homodimeric carbamoyltransferase GdmN with iterative functions through structural characterization and mechanistic studies

open access: yesNature Communications, 2022
Carbamoyltransferases are a class of enzymes catalyzing carbamoylation of primary and secondary metabolites. Here, the authors show the molecular structure of the ansamycin-modifying carbamoyltransferase GdmN and repurpose the enzyme for the iterative ...
Jianhua Wei   +9 more
doaj   +1 more source

Structural understanding of SARS-CoV-2 virus entry to host cells

open access: yesFrontiers in Molecular Biosciences, 2023
Coronavirus disease 2019 (COVID-19), caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is a major global health concern associated with millions of fatalities worldwide.
Kim Le   +7 more
doaj   +1 more source

Effect of Heat Treatment on the Cavitation Erosion Behavior of Nanocrystalline Surface Layer of 304 Stainless Steel

open access: yesApplied Sciences, 2023
In this study, a nanocrystalline layer composed primarily of martensite phase was prepared on the surface of 304 stainless steel. Furthermore, the martensite phase content in the nanocrystalline layer was adjusted by heat treatment at 500 °C and 550 °C ...
Nengliang Huang   +5 more
doaj   +1 more source

MDDI-SCL: predicting multi-type drug-drug interactions via supervised contrastive learning

open access: yesJournal of Cheminformatics, 2022
The joint use of multiple drugs may cause unintended drug-drug interactions (DDIs) and result in adverse consequence to the patients. Accurate identification of DDI types can not only provide hints to avoid these accidental events, but also elaborate the
Shenggeng Lin   +5 more
doaj   +1 more source

Daily fosfomycin versus levofloxacin for complicated urinary tract infections

open access: yesmBio, 2023
Fosfomycin, approved in the United States only for cystitis, is an attractive alternative for oral treatment of outpatient complicated urinary tract infections (cUTIs) as it has antimicrobial activity against most common uropathogens.
Nadine Rouphael   +13 more
doaj   +1 more source

Home - About - Disclaimer - Privacy