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Related Concept Videos

Cholera01:25

Cholera

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Cholera is an acute gastrointestinal disease caused by the Gram-negative bacterium Vibrio cholerae. It is transmitted primarily via the fecal-oral route through the ingestion of contaminated water or food.Vibrio cholerae is a motile, Gram-negative bacterium of the family Vibrionaceae, primarily associated with waterborne outbreaks in areas with inadequate sanitation. Although over 200 serogroups of V. cholerae exist, only O1 and O139 are responsible for epidemic cholera. The O1 serogroup,...
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Bacterial Gastroenteritis01:18

Bacterial Gastroenteritis

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Bacterial gastroenteritis, characterized by diarrhea, abdominal cramps, and vomiting, is often caused by ingestion of contaminated food or water and is frequently associated with pathogenic Escherichia coli strains. These microbes exploit two principal mechanisms to inflict disease.Shiga toxin–producing E. coli, also referred to as STEC—notably O157:H7—release Shiga toxins that target ribosomes, blocking protein synthesis. The B subunit of the toxin binds the host glycolipid...
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Stringent Response in E. coli01:23

Stringent Response in E. coli

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Bacterial growth is closely tied to nutrient availability, with cells proliferating exponentially under favorable conditions and entering a stationary phase when resources become scarce. This transition is mediated by a regulatory mechanism known as the stringent response, which allows bacteria to adapt to nutrient deprivation by modulating gene expression and metabolic activity.During nutrient scarcity, intracellular amino acid levels decline. It results in the accumulation of uncharged tRNAs...
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Reservoir of Infection01:30

Reservoir of Infection

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Infectious diseases arise from intricate interactions between pathogens and their reservoirs. A reservoir of infection refers to the natural habitat where a pathogen lives, grows, and multiplies, serving as a continual source of infection. Reservoirs are broadly classified as either living or nonliving, and each plays a unique role in disease transmission, significantly influencing public health interventions and control strategies.Humans act as reservoirs for a wide array of pathogens,...
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Automated Microbial Diagnostics01:24

Automated Microbial Diagnostics

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Automated diagnostic analyzers have transformed clinical microbiology by providing rapid and reliable methods for pathogen identification and antibiotic susceptibility testing. Among these systems, the Vitek 2 is widely used because it automates the traditionally labor-intensive processes of microbial identification (ID) and antibiotic susceptibility testing (AST), delivering standardized and timely results that are essential for effective patient care.Microbial Identification with ID CardsThe...
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Bacterial Phylum Chlamydiae01:29

Bacterial Phylum Chlamydiae

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The phylum Chlamydiae or Chlamydiota is composed of a single order, Chlamydiales. This phylum consists entirely of obligate intracellular parasites that infect eukaryotic hosts. While human pathogens within this group have been studied extensively, the phylum encompasses many species capable of interacting with various eukaryotic organisms. Members of Chlamydiae are typically small cocci, approximately 0.5 μm in diameter, and exhibit a distinctive developmental cycle. As is characteristic...
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Articles linked to this work by shared authors, journal, and citation graph.

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[The immune-enzyme techniques of analysis in diagnostic of cholera.]

Klinicheskaia laboratornaia diagnostika·2019
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[The analysis of biofilms Vibrio choleraе using technique of transmissive electronic microscopy.]

Klinicheskaia laboratornaia diagnostika·2019
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[GIS: CAPABILITIES OF DATA ANALYSIS OF PHENO- AND GENOTYPING Of EL TOR 01 SEROGROUP CHOLERA VIBRIOS ISOLATED FROM AQUATIC OBJECTS OF THE ENVIRONMENT IN RUSSIA FEDERATION].

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[EFFECT OF ANTIBACTERIAL PREPARATIONS ON VIBRIO CHOLERAE EL TOR BIOFILMS].

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[The modeling of biofilms of comma bacillus on solid surfaces (glass and plastic) and their visualization in light and luminescent microscopes].

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Related Experiment Video

Updated: Mar 23, 2026

Laboratory Techniques Used to Maintain and Differentiate Biotypes of Vibrio cholerae Clinical and Environmental Isolates
07:58

Laboratory Techniques Used to Maintain and Differentiate Biotypes of Vibrio cholerae Clinical and Environmental Isolates

Published on: May 30, 2017

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[TYPING OF VIBRIO CHOLERAE NON O1/NON O139 STRAINS, ISOLATED IN ROSTOV REGION IN 2014].

N A Selyanskaya, I V Arkhangelskaya, A S Vodopianov

    Zhurnal Mikrobiologii, Epidemiologii I Immunobiologii
    |April 1, 2016
    PubMed
    Summary

    Vibrio cholerae non O1/non O139 strains in Rostov region showed resistance to multiple antibiotics. VNTR-typing confirmed water transmission routes, highlighting the need for environmental monitoring of antibiotic resistance.

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    Area of Science:

    • Microbiology
    • Genetics
    • Epidemiology

    Context:

    • Vibrio cholerae non O1/non O139 strains are emerging pathogens.
    • Antibiotic resistance in these strains poses a public health threat.

    Purpose:

    • To investigate antibiotic resistance patterns and genetic diversity of Vibrio cholerae non O1/non O139 strains.
    • To determine the transmission routes of these strains in the Rostov region.

    Summary:

    • Vibrio cholerae non O1/non O139 strains isolated in Rostov region were characterized for antibiotic resistance and genetic profiles using VNTR-typing.
    • The strains were atoxigenic but possessed virulence genes like hemagglutinin/protease.
    • Significant antibiotic resistance, including multidrug resistance, was observed. VNTR and genotyping data suggested waterborne transmission.

    Impact:

    • Findings underscore the importance of continuous environmental monitoring for early detection of antibiotic resistance in Vibrio cholerae.
    • This research aids in developing effective strategies to control cholera outbreaks caused by non-O1/non-O139 strains.