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Total 5394 results found since Jan 2013.
Eugenia uniflora: a promising natural alternative against multidrug-resistant bacteria
Braz J Biol. 2023 Aug 14;83:e274084. doi: 10.1590/1519-6984.274084. eCollection 2023.ABSTRACTThis work aimed to evaluate the chemical composition, antioxidant and antimicrobial activities from crude extract and fractions from leaves of Eugenia uniflora Linn. The crude extract was obtained by turbo extraction and their fractions by partitioning. Chromatographic analysis were performed, and the antioxidant capacity was verified by two methods (DPPH• and ABTS•+). The Minimal Inhibitory/Bactericidal Concentration were conducted against twenty-two bacteria, selecting five strains susceptible to extract/fractions and resista...
Source: Braz J Biol - August 16, 2023 Category: Biology Authors: M R A Ferreira L B Lima E C F Santos J C B Machado W A V Silva P M G Paiva T H Napole ão L A L Soares Source Type: research
The characterisation of antimicrobial resistant < em > Escherichia coli < /em > from dairy calves
Conclusion. Our study identified a high incidence of tetracycline and streptomycin-resistant E. coli in dairy calves, and highlighted the presence of multidrug-resistant strains, emphasising the need for further investigation into potential associations with farm management practices.PMID:37578342 | DOI:10.1099/jmm.0.001742
Source: Journal of Medical Microbiology - August 14, 2023 Category: Microbiology Authors: Merning Mwenifumbo Adrian L Cookson Shengguo Zhao Ahmed Fayaz Jackie Benschop Sara A Burgess Source Type: research
Relationship between antibiotic resistance with class 1 integron and SmeDEF efflux pump encoding genes in clinical isolates of Stenotrophomonas maltophilia
J Appl Genet. 2023 Aug 14. doi: 10.1007/s13353-023-00776-6. Online ahead of print.ABSTRACTStenotrophomonas maltophilia is an emerging multidrug-resistant organism with an increasing frequency of hospital-acquired infections predominantly in developing countries. The purpose of this study was to determine the antibiotic resistance and frequency of the smeD, class 1 integron, and sul1 genes in clinical isolates of S. maltophilia in two Iranian provinces. From January 2020 to September 2021, 38 clinical isolates of S. maltophilia were collected from patients in hospitals in Tabriz and Sanandaj provinces of Iran. S. maltophili...
Source: J Appl Genet - August 13, 2023 Category: Genetics & Stem Cells Authors: Soheila Bafandeh Zamanpour Rasoul Yousefi Mashouf Himen Salimizand Mohsen Nazari Mohammad Yousef Alikhani Safar Farajnia Source Type: research
Effects of antibiotic-induced resistance on the growth, survival ability and virulence of Salmonella enterica
In this study, eight antibiotic-sensitive S. enterica strains were induced by Ampicillin (Amp) and Ciprofloxacin (CIP), respectively, and AMP-resistant and CIP-resistant mutants were obtained. The growth characteristics under different temperatures (25, 30, 35 °C), viability after exposure to heat (55, 57.5, 60 °C) and acid (HCl, pH = 3.0), the virulence potential (adhesion and invasion to Caco-2 cells, biofilm formation and motility) and the lethality in a model species (Galleria mellonella) were evaluated and compared for S. enterica strains before and after antibiotic exposure. The induction by AMP and CIP are likely ...
Source: Food Microbiology - August 11, 2023 Category: Food Science Authors: Yi Hong Yufan Wu Yani Xie Leijie Ben Xiangfeng Bu Xinye Pan Jingdong Shao Qingli Dong Xiaojie Qin Xiang Wang Source Type: research
