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Infectious keratitis following photorefractive keratectomy: a 13-year study at a tertiary center.
J Ophthalmic Inflamm Infect
January 2025
School of medicine, Shahid Sadoughi University of Medical sciences, Yazd, Iran.
Introduction: Infectious keratitis is a rare but devastating complication following photorefractive keratectomy (PRK) that may lead to visual impairment. This study assessed the clinical features, treatment strategies, and outcomes of post-PRK infectious keratitis.
Methods: This retrospective study was conducted on patients with post-PRK infectious keratitis presenting to Khalili Hospital, Shiraz, Iran, from June 2011 to March 2024.
Ribotyping Staphylococcus epidermidis Using Probabilistic Sequence Analysis and Levenshtein Distance Algorithm.
Curr Microbiol
January 2025
Coastar Therapeutics, San Diego, CA, 92126, USA.
Staphylococcus epidermidis (S. epidermidis) live in different human locations and natural environments. For ribotyping S.
View Article and Find Full Text PDFEffect of Chirality and Amphiphilicity on the Antimicrobial Activity of Tripodal Lysine-Based Peptides.
ACS Appl Bio Mater
January 2025
School of Chemistry, Pharmacy and Food Biosciences, University of Reading, Whiteknights, Reading RG6 6AD, U.K.
A series of tripodal (three-arm) lysine-based peptides were designed and synthesized and their self-assembly properties in aqueous solution and antimicrobial activity were investigated. We compare the behaviors of homochiral tripodal peptides (KKY)K and a homologue containing the bulky aromatic fluorenylmethoxycarbonyl (Fmoc) group Fmoc-(KKY)K, and heterochiral analogues containing k (d-Lys), (kkY)K and Fmoc-(kkY)K. The molecular conformation and self-assembly in aqueous solutions were probed using various spectroscopic techniques, along with small-angle X-ray scattering (SAXS) and cryogenic-transmission electron microscopy (cryo-TEM).
View Article and Find Full Text PDFUltrasensitive "On-Off" Ratiometric Fluorescence Biosensor Based on RPA-CRISPR/Cas12a for Detection of .
J Agric Food Chem
January 2025
School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China.
() is a major pathogenic bacterium responsible for bacterial foodborne diseases, making its rapid, specific, and accurate detection crucial. In this study, we develop a ratiometric biosensor based on the recombinase polymerase amplification-clustered regularly interspaced short palindromic repeats/CRISPR associated protein 12a (RPA-CRISPR/Cas12a) system and Eu-metal-organic framework (Eu-MOF) fluorescent nanomaterials for the high-sensitivity detection of , combining with RPA for efficient isothermal amplification, this sensor enhances specificity and sensitivity by utilizing the target activation of CRISPR/Cas12a. The Eu-MOF serves a dual function, providing stable red fluorescence as a reference signal and adsorbing FAM-labeled probes for fluorescence quenching, forming a dual-signal system that significantly reduces background interference.
View Article and Find Full Text PDFComplete genome sequence of B273 and its epidermicin NI01 biosynthesis plasmid.
Microbiol Resour Announc
January 2025
Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom.
The human skin commensal produces diverse, therapeutically relevant bacteriocins. We report the complete whole-genome sequence of the nasal isolate B273, which contains a plasmid with the biosynthetic gene cluster for epidermicin NI01, a broad-spectrum type II antimicrobial peptide.
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