Vibrio cholerae eltor has been shown to exist in two variants: epidemic (V. cholerae eltor Hly-, tox+) and nonepidemic, or endemic (V. cholerae eltor Hly+, tox-); each of these variants determines the corresponding form of manifestation of the infection among the population and requires a differentiated complex of antiepidemic measures, as well as different tactics for the treatment of patients.
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Exploring the dynamics of toxigenic environmental Vibrio mimicus and its comparative analysis with Vibrio cholerae of the southern Gangetic delta.
Arch Microbiol
June 2022
Division of Bacteriology, Indian Council of Medical Research- National Institute of Cholera & Enteric Diseases, P- 33, Scheme-XM, CIT Road, Beliaghata, Kolkata, 700 010, India.
Article Synopsis
- The study compares Vibrio mimicus and Vibrio cholerae, looking at virulence genes, antibiotic resistance, and biofilm formation.
- One strain of V. mimicus was found to harbor several virulence genes, while V. cholerae showed a higher prevalence of certain additional toxin genes.
- Both species displayed different patterns of antibiotic susceptibility, with V. mimicus having more resistance genes, highlighting its potential as an emerging pathogen similar to V. cholerae.
Quorum-sensing signaling by chironomid egg masses' microbiota, affects haemagglutinin/protease (HAP) production by Vibrio cholerae.
Mol Ecol
April 2021
Department of Evolutionary and Environmental Biology, University of Haifa, Haifa, Israel.
Vibrio cholerae, the causative agent of cholera, is commonly isolated, along with other bacterial species, from chironomid insects (Diptera: Chironomidae). Nevertheless, its prevalence in the chironomid egg masses' microbiota is less than 0.5%.
View Article and Find Full Text PDFComputational image analysis of the baseplate-tail complex of O1 ElTor vibriophage M4.
Arch Virol
November 2020
Division of Electron Microscopy, ICMR-National Institute of Cholera and Enteric Diseases, P-33 C.I.T Road, Scheme-XM, Beleghata, Kolkata, 700010, India.
We performed an in-depth computational image analysis of the baseplate-tail complex of the M4 vibriophage and identified seven major densities in its baseplate, which notably share structural similarities with baseplate modules of a number of other bacteriophages belonging to different species. Employing computational analysis, we explained the helical organization of the sheath protein, wrapping the tail tube. Based on the results obtained in this work along with the proteomics information published previously, we are able to decipher the plausible roles assigned to the different components of the M4 baseplate during infection of the host.
View Article and Find Full Text PDFPhage Types of 01 Biotype ElTor Strains Isolated from India during 2012-2017.
J Glob Infect Dis
May 2020
Division of Bacteriology, ICMR - National Institute of Cholera and Enteric Diseases, Kolkata, West Bengal, India.
Background: Cholera is a primordial disease caused by which existed from centuries in different parts of the world and still shows its periodic, endemic and epidemic presence. Thousands of cholera cases are reported from different parts of India and the disease remains endemic throughout the year. At present, we do not have enough knowledge about the phenotypic nature of the circulating strains in this part of the world.
View Article and Find Full Text PDFSeasonal Pattern of Pathogenic V. cholerae and V. paraheamolyticus in Surface Water of Dhaka, Bangladesh.
Mymensingh Med J
October 2019
Azizul Kabir, MS student, Department of Microbiology, University of Dhaka, Dhaka, Bangladesh.
V. cholerae and V. parahaemolyticus are responsible for majority of the Vibrio-related infections world wide.
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