CDC Issues Health Advisory on Shigella

The CDC has released a Health Alert Network health advisory warning clinicians about emergingShigella strains that show possible reduced susceptibility to ciprofloxacin.
Source: AAFP News - Category: Primary Care Source Type: news

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Conclusion: Gut microbiota composition and function are associated with CKD severity. And, specific gut microbes are potentially helpful for CKD early diagnosis and prognosis monitoring. PMID: 32241215 [PubMed - as supplied by publisher]
Source: Postgraduate Medicine - Category: Internal Medicine Tags: Postgrad Med Source Type: research
AbstractObjectiveTo observe the effect of Modified Xijiao Dihuang Decoction ( 加味犀角地黄汤, MXDD) on rats with radiation enteritis, and explore its action mechanism.MethodsThirty female Sprague Dawley rats were divided into the control, model, dexamethasone (DXM), golden bifid (GB) and MXDD groups using random number table, 6 rats in each group. Except the control group, the other rats were developed into radiation enteritis model by exposing to a single60Co- γ ray at a dose of 11 Gy. The rats in the DXM, GB and MXDD groups were treated with DXM (1.425 mg/kg), GB (0.8 g/kg) and MXDD (36.0 g/kg) for 3 days, r...
Source: Chinese Journal of Integrative Medicine - Category: Internal Medicine Source Type: research
The Journal of Physical Chemistry BDOI: 10.1021/acs.jpcb.0c01595
Source: Journal of Physical Chemistry B - Category: Chemistry Authors: Source Type: research
The giant panda is known worldwide for having successfully moved to a diet almost exclusively based on bamboo. Provided that no lignocellulose-degrading enzyme was detected in panda’s genome, bamboo digestion is believed to depend on its gut microbiome. However, pandas retain the digestive system of a carnivore, with retention times of maximum 12 h. Cultivation of their unique gut microbiome under controlled laboratory conditions may be a valid tool to understand giant pandas’ dietary habits, and provide valuable insights about what component of lignocellulose may be metabolized. Here, we collected gut microbio...
Source: Frontiers in Microbiology - Category: Microbiology Source Type: research
This study aimed to evaluate the routine identification tools available in Lebanon for differentiation of Escherichia coli and Shigella spp. The identification of 43 isolates defined as Shigella spp. by Api 20E was accessed using MALDI-TOF, serological testing, duplex PCR targeting ipaH (present in Shigella spp. and enteroinvasive E. coli "EIEC") and lacY (found in E. coli including EIEC but not Shigella spp.) as well as gyrB gene sequencing. Antibiotic susceptibility was investigated as well as Shiga-toxin production. All isolates were identified as E. coli by MALDI-TOF while the PCR showed a disparate group of ...
Source: Acta Microbiologica et Immunologica Hungarica - Category: Microbiology Authors: Tags: Acta Microbiol Immunol Hung Source Type: research
The intestinal gut microbiota is essential for maintaining host health. Concerns have been raised about the possible connection between antibiotic use, causing microbiota disturbances, and the increase in allergic and autoimmune diseases observed during the last decades. To elucidate the putative connection between antibiotic use and immune regulation, we have assessed the effects of the antibiotic amoxicillin on immune regulation, protein uptake, and bacterial community structure in a Brown Norway rat model. Daily intra-gastric administration of amoxicillin resulted in an immediate and dramatic shift in fecal microbiota, ...
Source: Frontiers in Microbiology - Category: Microbiology Source Type: research
Whole-genome sequencing has enhanced surveillance and facilitated detailed monitoring of the transmission of Shigella species in England. We undertook an epidemiological and phylogenetic analysis of isolates from all cases of shigellosis referred to Public Health England between 2015 and 2018 to explore recent strain characteristics and the transmission dynamics of Shigella species. Of the 4,950 confirmed cases of shigellosis identified during this period, the highest proportion of isolates was Shigella sonnei (54.4%), followed by S. flexneri (39.2%), S. boydii (4.1%), and S. dysenteriae (2.2%). Most cases were adults (82....
Source: Journal of Clinical Microbiology - Category: Microbiology Authors: Tags: Epidemiology Source Type: research
This study contributes to a better understanding of growth, survival, and disease mechanism at molecular level and provides potential new targets for designing drugs against Shigella infection.
Source: Genes - Category: Genetics & Stem Cells Authors: Tags: Article Source Type: research
This study assessed the occurrence of human enteric pathogens in rivers that are used by rural communities Vhembe District of South Africa as a source of drinking water covering two seasons (winter and summer) over a one-year period. Water quality was assessed using physico characteristics and indicator organisms (total coliforms, E. coli, Clostridium perfringens). Pathogens tested included bacteria (Pathogenic E. coli, Salmonella-, Shigella- and Vibrio spp.), protozoa (Cryptosporidium- and Giardia spp.), and enteric viruses (Rota-, Noro-, Entero-, and Adenoviruses) while using published molecular protocols. The results sh...
Source: International Journal of Environmental Research and Public Health - Category: Environmental Health Authors: Tags: Article Source Type: research
z S Abstract Broad and unspecific use of antibiotics accelerates spread of resistances. Sensitive and robust pathogen detection is thus important for a more targeted application. Bacteriophages contain a large repertoire of pathogen-binding proteins. These tailspike proteins (TSP) often bind surface glycans and represent a promising design platform for specific pathogen sensors. We analyzed bacteriophage Sf6 TSP that recognizes the O-polysaccharide of dysentery-causing Shigella ( S. ) flexneri to develop variants with increased sensitivity for sensor applications. Ligand polyrhamnose backbone conformations were ob...
Source: Chemistry - Category: Chemistry Authors: Tags: Chemistry Source Type: research
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