Hepta-Mutant Staphylococcus aureus Sortase A (SrtA7m) as a Tool for in Vivo Protein Labeling in Caenorhabditis elegans

ACS Chemical BiologyDOI: 10.1021/acschembio.6b00998
Source: ACS Chemical Biology - Category: Chemistry Authors: Source Type: research

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This study investigated antibacterial-producing Streptomyces isolated from the gut of estuarine fish Chanos chanos, emphasizing screening for the producer of peptide-containing antibacterial compounds. Eighteen isolates were found during preliminary screening, in which four isolates showed the best antibacterial activities. Based on the morphological, physiological, and biochemical characterization, as well as 16S rRNA partial sequencing, all of the four isolates belonged to Streptomyces. Three isolates were suspected as novel isolate candidates based on homology presentations and phylogenetic tree analysis. Disk-diffusion...
Source: International Journal of Microbiology - Category: Microbiology Tags: Int J Microbiol Source Type: research
Publication date: Available online 9 October 2020Source: Colloids and Surfaces B: BiointerfacesAuthor(s): Cezhi Du, Chengyong Wang, Jianbo Sui, Lijuan Zheng
Source: Colloids and Surfaces B: Biointerfaces - Category: Biochemistry Source Type: research
CONCLUSION: There is a high prevalence of MRSA causing abscesses in the Hispanic population evaluated in an ED in Puerto Rico. Systemic antibiotic use for the treatment of skin abscesses after incision and drainage remains high despite published guidelines arguing against their widespread use. Clindamycin resistance in our patient population appears to be more frequent than previously reported. PMID: 33031694 [PubMed - as supplied by publisher]
Source: Puerto Rico Health Sciences Journal - Category: International Medicine & Public Health Tags: P R Health Sci J Source Type: research
Publication date: December 2020Source: Microbial Pathogenesis, Volume 149Author(s): Cemile Selin Aksoy, Fatma Gizem Avci, Osman Mutluhan Ugurel, Basak Atas, Nihat Alpagu Sayar, Berna Sariyar Akbulut
Source: Microbial Pathogenesis - Category: Infectious Diseases Source Type: research
In this study, a series of unsymmetrical N,N-disubstituted benzimidazolium salts were synthesized as N-heterocyclic carbene (NHC) (2a-2j) and their AgI complexes. Their structures were characterized by elemental analyses, 1H and 13C nuclear magnetic resonance (NMR) and infrared (IR) spectroscopy techniques. Further, both the salts and their silver(I)-NHC complexes have been evaluated for their potential antibacterial properties against a panel of bacterial strains namely, Micrococcus luteus, Listeria monocytogenes, Salmonella Typhimurium, Staphylococcus aureus and Pseudomonas aeruginosa. The results show that silver comple...
Source: Journal of the Brazilian Chemical Society - Category: Chemistry Source Type: research
The difference in sequential organ failure assessment (SOFA) scores from the baseline to sepsis is a known predictor of sepsis-3 outcome, but the prognostic value of drug-resistant organisms for mortality is unexplained. We employed sepsis stewardship and herein report an observational study. Study subjects were patients admitted to the Departments of Surgery/Chest Surgery from 2011 through 2018 with a diagnosis of sepsis and a SOFA score of 2 or more. Our sepsis stewardship methods included antimicrobial and diagnostic stewardship and infection control. We determined the primary endpoint as in-hospital death and the secon...
Source: Current Awareness Service for Health (CASH) - Category: Consumer Health News Source Type: news
Contributors : Cemile S Aksoy ; Berna Sariyar-AkbulutSeries Type : Expression profiling by high throughput sequencingOrganism : Staphylococcus aureus subsp. aureusIn the current study, RNA sequencing based transcriptional profiling was used to elaborate the combinatorial effect of berberine, a well-known antibacterial alkaloid, and thymol, a monoterpenic phenol, on the Staphylococcus aureus transcriptome.
Source: GEO: Gene Expression Omnibus - Category: Genetics & Stem Cells Tags: Expression profiling by high throughput sequencing Staphylococcus aureus subsp. aureus Source Type: research
Authors: Saxena D, Kaul G, Dasgupta A, Chopra S Abstract Acute bacterial skin and skin structure infections (ABSSSIs) are one of the most common types of infections due to methicillin-resistant Staphylococcus aureus (MRSA). The standard of care for ABSSSI includes glycopeptides such as vancomycin, teicoplanin, oxazolidinones and fluoroquinolones, which are potent broad-spectrum antibacterial agents. Unfortunately, due to indiscriminate utilization, resistance to these agents is rising and identification of novel agents is an urgent unmet medical need. In this context, levonadifloxacin (WCK-771) is a novel, hydrate ...
Source: Drugs of Today - Category: Drugs & Pharmacology Tags: Drugs Today (Barc) Source Type: research
The objective of this study was to evaluate the antibacterial action of filamentous bacteria isolated from the Byrsonima crassifolia leaf. An endophytic bacterium has been identified by classical and molecular techniques as Streptomyces ansochromogene. Screening for antibacterial action against pathogens with medical relevance (Klebsiella pneumoniae ATCC 700603, Pseudomonas aeruginosa ATCC 15692, Staphylococcus aureus ATCC 6538, Corynebacterium diphtheriae ATCC 27012, Mycobacterium abscessus, Cryptococcus gattii ATCC 24065, and Cryptococcus neoformans ATCC 24067) demonstrated activity against the bacterium P. aeruginosa AT...
Source: Frontiers in Microbiology - Category: Microbiology Source Type: research
Biofilms pose a relevant factor for wound healing impairment in chronic wounds. With 78% of all chronic wounds being affected by biofilms, research in this area is of high priority, especially since data for evidence-based selection of appropriate antimicrobials and antiseptics is scarce. Therefore, the objective of this study was to evaluate the anti-biofilm efficacy of commercially available hypochlorous wound irrigation solutions compared to established antimicrobials. Using an innovative complex in-vitro human plasma biofilm model (hpBIOM), quantitative reduction of Pseudomonas aeruginosa, Staphylococcus aureus, and Me...
Source: Frontiers in Microbiology - Category: Microbiology Source Type: research
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