نتایج جستجو برای: agr genes
تعداد نتایج: 427437 فیلتر نتایج به سال:
During a global research expedition, more than five hundred marine bacterial strains capable of inhibiting the growth of pathogenic bacteria were collected. The purpose of the present study was to determine if these marine bacteria are also a source of compounds that interfere with the agr quorum sensing system that controls virulence gene expression in Staphylococcus aureus. Using a gene repor...
The recharge efficiency during artificial groundwater (AGR) is reduced primarily by clogging that triggered suspended particles. However, there are loopholes in the current standards of recharge-water quality for control AGR, and threshold values turbidity to prevent have not been reasonably determined. In this study, secondary effluents from wastewater treatment plants (WWTPs) were injected in...
At both the immunoglobulin heavy and kappa light chain loci, there are >100 functional variable (V) genes spread over >2 Mb that must move into close proximity in 3D space to the (D)J genes to create a diverse repertoire of antibodies. Similar events take place at the T cell receptor (TCR) loci to create a wide repertoire of TCRs. In this review, we will discuss the role of CTCF in forming rose...
زمینه و هدف: سیستم agr در استافیلوکوکوس اورئوس، مسئول کنترل و هماهنگی تولید فاکتورهای ویرولانس، اگزوتوکسین های ترشحی و همولیزین ها می باشد. هدف از این مطالعه، تعیین و شناسایی فراوانی ژن agr در ایزوله های استافیلوکوکوس اورئوس حساس و مقاوم به متی سیلین در نمونه های بالینی و شاغلان مراکز درمانی می باشد. مواد و روش ها: این مطالعه توصیفی بر روی تعداد 200 ایزوله جداسازی شده استافیلوکوکوس اورئوس از نم...
extended abstract 1. introduction mazinan, a village and the center of a rural district, is a subdivision of sabzevar city located in the eastern part of razavi-khorasan province. the fact that this village has been mentioned and described as a cultivated town in hodud al-alam men al-mašriq ila l-maqrib (see sotudeh, 1983) written in the10th century a.d. indicates that mazinan is at least15 cen...
Bacterial signaling systems are prime drug targets for combating the global health threat of antibiotic resistant bacterial infections including those caused by Staphylococcus aureus. S. aureus is the primary cause of acute bacterial skin and soft tissue infections (SSTIs) and the quorum sensing operon agr is causally associated with these. Whether efficacious chemical inhibitors of agr signali...
Pharmacological examinations of isolated auricles from Sepia officinalis were carried out to analyze the putative role of the monoaminergic transmitter/receptor system in the control of auricle function. In conjunction with histofluorescence studies and HPLC analyses, evidence of a double excitatory serotonergic and noradrenergic innervation of the auricles was obtained. Serotonin-induced posit...
CCCTC-binding factor (CTCF) is largely responsible for the 3D architecture of the genome, in concert with the action of cohesin, through the creation of long-range chromatin loops. Cohesin is hypothesized to be the main driver of these long-range chromatin interactions by the process of loop extrusion. Here, we performed ChIP-seq for CTCF and cohesin in two stages each of T and B cell different...
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