We report a retrospective study of 106 patients with bacterial infections from 322 patients infected with the human immunodeficiency virus (HIV) resulting in 33 percent. Epidemiological profile of bacterial infection in HIV patient is the same that observed in tunisian patient with HIV: a young male infected mainly by sexual route. Bacterial infection is located in the lungs in 38.3 percent, in the skin in 16.5 percent, in upper respiratory tract and oral in 12.7 percent, sexually transmitted disease and bacteremia are respectively found in 12 percent, bacterial genito-urinary tract infection in 5.3 percent, bacterial gastro-intestinal tact infection in 2.3 percent and meningitis in 0.8 percent. Bacterial infections occur at all stages in patients with HIV, but mainly in 77.7 percent at AIDS stage. Regardless the infectious site, granulocytes number is normal in 66 percent of cases. Bacterial investigation find a bacterial specie in 14.3 percent and a bacterial positive serology in 11.2 percent. Mortality caused by bacterial infection is found in 11.3 percent.
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Open Forum Infect Dis
January 2025
Department of Medicine, Duke University School of Medicine, Durham, North Carolina, USA.
Background: Difficulty discriminating bacterial versus viral etiologies of infection drives unwarranted antibacterial prescriptions and, therefore, antibacterial resistance.
Methods: Utilizing a rapid portable test that measures peripheral blood host gene expression to discriminate bacterial and viral etiologies of infection (the HR-B/V assay on Biomeme's polymerase chain reaction-based Franklin platform), we tested 3 cohorts of subjects with suspected infection: the HR-B/V training cohort, the HR-B/V technical correlation cohort, and a coronavirus disease 2019 cohort.
Results: The Biomeme HR-B/V test showed very good performance at discriminating bacterial and viral infections, with a bacterial model accuracy of 84.
Front Microbiol
December 2024
Clinical Pharmacology Research Center, Huashan Hospital, Fudan University, Shanghai, China.
Introduction: Pralurbactam (FL058) is a novel β-lactamase inhibitor with good inhibitory activity on class A, C, and D β-lactamases. This study aimed to evaluate the pharmacokinetic/pharmacodynamic (PK/PD) relationship of pralurbactam/meropenem in a neutropenic murine thigh infection model.
Methods: After 2-h infection, neutropenic mice was treated with meropenem every 2 h alone or in combination with pralurbactam at different dosing frequencies for 24 h, and the colony count in the thighs was determined before and after treatment.
PeerJ
December 2024
The Thomas H. Gosnell School of Life Sciences, Biotechnology and Molecular Bioscience Program, College of Science, Rochester Institute of Technology, Rochester, New York, United States.
Background: A grapevine crown gall tumor strain, sp. strain Rr2-17 was previously reported to accumulate copious amounts of diverse quorum sensing signals during growth. Genome sequencing identified a single luxI homolog in strain Rr2-17, suggesting that it may encode for a AHL synthase with broad substrate range, pending functional validation.
View Article and Find Full Text PDFFront Cell Infect Microbiol
December 2024
Postdoctoral Research Workstation, Heilongjiang Academy of Agricultural Sciences, Harbin, China.
Lactic acid bacteria are widely regarded as safe alternatives to antibiotics in livestock and poultry farming and have probiotic potential. () is a prominent component of pigeon crop microbiota; however, its function is unknown. In this study, a strain of 1003 from pigeon cecum was identified by combining whole genome sequencing and phenotypic analysis, and its safety and probiotic properties were studied.
View Article and Find Full Text PDFSci Rep
December 2024
Department of Chemical Engineering, RVR & JC College of Engineering (A), Guntur, Andhra Pradesh, 522019, India.
The study analyzed the aqueous leaf extracts of Moringa oleifera and Musa sps. for phytochemical components, including flavonoids, sterols, saponins, tannins, and glycosides. The LC-MS analysis revealed gingerol, vicenin-2, caffeic acid, quercetin, and other compounds in the extracts.
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