The vital ability, serological properties, antibioticograms and biochemical properties of collection strains and new isolates of Shigella sonnei have been studied. It was ascertained that the determined factors are sufficiently variable, thus they cannot be used as the independent basis for the classification of pathogens.
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Sci Rep
January 2025
College of Plant Protection, Biocontrol Engineering Laboratory of Crop Diseases and Pests of Gansu Province, Gansu Agricultural University, Lanzhou, 730070, China.
Recently, a new bacterial disease was detected on cucumber stalks. In order to study the pathogenesis of this disease, the pathogenic bacteria were isolated and identified on the basis of morphological and molecular characteristics, and further analyzed for pathogenicity and antagonistic evaluation. Pathogenicity analysis showed that HlJ-3 caused melting decay and cracking in cucumber stems, and the strain reisolated from re-infected cucumber stalks was morphologically identical to HlJ-3 colonies, which is consistent with the Koch's postulates.
View Article and Find Full Text PDFCommun Biol
January 2025
School of Global Health, Chinese Center for Tropical Diseases Research, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
Vibrio vulnificus is a significant zoonotic pathogen that causes severe vibriosis in humans and fish. The lack of a national annual surveillance program in China has hindered understanding of its epidemiological characteristics and genetic diversity. This study characterized 150 V.
View Article and Find Full Text PDFVirol J
January 2025
Department of Microbiology, College of Medicine, Taif University, Taif, 21944, Saudi Arabia.
Background: Despite numerous genetic studies on Infectious Bronchitis Virus (IBV), many strains from the Middle East remain misclassified or unclassified. Genotype 1 (GI-1) is found globally, while genotype 23 (GI-23) has emerged as the predominant genotype in the Middle East region, evolving continuously through inter- and intra-genotypic recombination. The GI-23 genotype is now enzootic in Europe and Asia.
View Article and Find Full Text PDFBMC Prim Care
January 2025
Department of Family Medicine, Jagiellonian University Medical College, Kraków, 31-061, Poland.
Background: The COVID-19 pandemic has caused psychological distress to the population and healthcare workers. Physicians' well-being is essential and contributes significantly to overall health. This study aimed to assess the strain on Polish general practitioners from the effects of the COVID-19 pandemic and to ascertain the potential predictors of their distress.
View Article and Find Full Text PDFInt J Biol Macromol
January 2025
Centro de Investigaciones en Ciencias Microbiológicas, Instituto de Ciencias, Benemérita Universidad Autónoma de Puebla, Av. San Claudio y Av. 24 Sur, Col. San Manuel Ciudad Universitaria, Puebla C.P. 72570, Mexico. Electronic address:
This work presents the effect of Polyhydroxybutyrate nanospheres (PHB-NSs) on the bacterial activity of plasmonic nanoparticles (NPs). The PHB-NSs were used as a substrate for the metal-NPs. Silver and gold NPs in colloidal solution were synthesized by chemical reduction, while PHB-NSs were synthesized by a physical method.
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