نتایج جستجو برای: extracellular

تعداد نتایج: 124567  

Extracellular vesicles, naturally released from all cell types including bacteria, are of great importance in medical microbiology due to transporting a variety of biomaterials, enzymes, and virulence factors, regulating immunity, and having roles in colonization and initiation of signaling pathways. These vesicles are also secreted from microbiota in the gastrointestinal tract and affect the h...

Journal: :Hypertension 2020

Journal: :acta medica iranica 0
massoud keyhani

certain strains of staphylococcus aureus produce a toxin which cause epidermal exfoliation within 18 hours after direct subcutaneous or intraperitoneal injection into newborn mice. the extracellular product responsible for exfoliation is termed exfoliative toxin (et). in the present studies a modified assay system has been developed for detection of exfoliativeactivity in toxin negative strains...

Journal: :research in pharmaceutical sciences 0
m mahdavi m jalali r kasra kermanshahi

some of pathogenic and food spoilage bacteria can attach on food contact surfaces and form a biofilm, the source of contamination of foods. biofilm is a functional consortium of microorganisms attached to the surface and is embedded in the extracellular polymeric substances (eps) produced by the microorganisms. biofilms due to special structure and eps are more resistant to antimicrobial agents...

Journal: :Molecular Microbiology 2007

Journal: :Nature Reviews Neuroscience 2009

Ali Reza Taji Fatemeh Forouzanfar Hamid Reza Sadeghnia, Hossein Hosseinzadeh,

Objective(s): K+ channel blocker 4-aminopyridine (4-AP) stimulates the release of glutamate from nerve terminals and induces seizures. Berberine as a potential herbal drug exerts several pharmacological actions on the central nervous system including anxiolytic, anticonvulsant, and neuroprotective properties. The present study aimed to investigate the effect of berberine on seizure onset and ti...

Actinomycetes are an uncommon agent of human infections and its pathogenic factors are not known. The present study reports a rare case isolation of an actinomycete from a woman pleural fluid; the strain was identified by 16S rRNA gene sequence analysis. This strain was tested to produce an extracellular protease that hydrolysis gelatin, casein and hemoglobin on agar mediums. The purification o...

Journal: :FEBS Letters 1990

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