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Diphtheria.
Naresh Chand Sharma, Androulla Efstratiou, Igor Mokrousov, Ankur Mutreja, Bhabatosh Das, Thandavarayan Ramamurthy
Feb 13, 2020
Diphtheria is a potentially fatal infection mostly caused by toxigenic Corynebacterium diphtheriae strains and occasionally by toxigenic C. ulcerans and C. pseudotuberculosis strains. Diphtheria is generally an acute respiratory...
Revisiting the Global Epidemiology of Cholera in Conjuction With the Genomics of Vibrio cholerae.
Thandavarayan Ramamurthy, Ankur Mutreja, François-Xavier Weill, Bhabatosh Das, Amit Ghosh, Gopinath Balakrish Nair
Sep 05, 2019
Toxigenic Vibrio cholerae is responsible for 1.4 to 4.3 million cases with about 21,000-143,000 deaths per year. Dominance of O1 and O139 serogroups, classical and El tor biotypes, alterations in CTX phages and the pathogenicity...
Phylogenetic Analysis Indicates a Longer Term Presence of the Globally Distributed H58 Haplotype of Salmonella Typhi in Southern India.
Agila Kumari Pragasam, Derek Pickard, Vanessa Wong, Gordon Dougan, Gagandeep Kang, Andrew Thompson, Jacob John, Veeraraghavan Balaji, Ankur Mutreja
Jan 31, 2020
BACKGROUND: Typhoid fever caused by Salmonella Typhi is a major public health concern in low-/middle-income countries. A recent study of 1900 global S. Typhi indicated that South Asia might be the site of the original emergence...
Virulence Regulation and Innate Host Response in the Pathogenicity of Vibrio cholerae.
Thandavarayan Ramamurthy, Ranjan K Nandy, Asish K Mukhopadhyay, Shanta Dutta, Ankur Mutreja, Keinosuke Okamoto, Shin-Ichi Miyoshi, G Balakrish Nair, Amit Ghosh
Oct 14, 2020
The human pathogen Vibrio cholerae is the causative agent of severe diarrheal disease known as cholera. Of the more than 200 "O" serogroups of this pathogen, O1 and O139 cause cholera outbreaks and epidemics. The rest of the...
First Indian report on genome-wide comparison of multidrug-resistant Escherichia coli from blood stream infections.
Naveen Kumar Devanga Ragupathi, Balaji Veeraraghavan, Dhiviya Prabaa Muthuirulandi Sethuvel, Shalini Anandan, Karthick Vasudevan, Ayyan Raj Neeravi, Jones Lionel Kumar Daniel, Sowmya Sathyendra, Ramya Iyadurai, Ankur Mutreja
Mar 28, 2020
BACKGROUND:Multidrug-resistant (MDR) E. coli with extended-spectrum β-lactamases (ESBLs) is becoming endemic in health care settings around the world. Baseline data on virulence and antimicrobial resistance (AMR) of specific...
Published by: PLOS ONE
First Indian report on genome-wide comparison of multidrug-resistant Escherichia coli from blood stream infections
Naveen Kumar Devanga Ragupathi, Balaji Veeraraghavan, Dhiviya Prabaa Muthuirulandi Sethuvel, Shalini Anandan, Karthick Vasudevan, Ayyan Raj Neeravi, Jones Lionel Kumar Daniel, Sowmya Sathyendra, Ramya Iyadurai, Ankur Mutreja
Feb 26, 2020
Background: Multidrug-resistant (MDR) E. coli with extended-spectrum β-lactamases (ESBLs) is becoming endemic in health care settings around the world. Baseline data on virulence and antimicrobial resistance (AMR) of specific...
Spatiotemporal persistence of multiple, diverse clades and toxins of Corynebacterium diphtheriae.
Robert C Will, Thandavarayan Ramamurthy, Naresh Chand Sharma, Balaji Veeraraghavan, Lucky Sangal, Pradeep Haldar, Agila Kumari Pragasam, Karthick Vasudevan, Dhirendra Kumar, Bhabatosh Das, Eva Heinz, Vyacheslav Melnikov, Stephen Baker, Vartul Sangal, Gordon Dougan, Ankur Mutreja
May 03, 2021
Diphtheria is a respiratory disease caused by the bacterium Corynebacterium diphtheriae. Although the development of a toxin-based vaccine in the 1930s has allowed a high level of control over the disease, cases have increased...
First Indian report on genome-wide comparison of multidrug-resistant Escherichia coli from blood stream infections.
Naveen Kumar Devanga Ragupathi, Balaji Veeraraghavan, Dhiviya Prabaa Muthuirulandi Sethuvel, Shalini Anandan, Karthick Vasudevan, Ayyan Raj Neeravi, Jones Lionel Kumar Daniel, Sowmya Sathyendra, Ramya Iyadurai, Ankur Mutreja
Apr 27, 2020
BACKGROUND: Multidrug-resistant (MDR) E. coli with extended-spectrum β-lactamases (ESBLs) is becoming endemic in health care settings around the world. Baseline data on virulence and antimicrobial resistance (AMR) of specific...
Spatiotemporal persistence of multiple, diverse clades and toxins of Corynebacterium diphtheriae
A genomic island in Vibrio cholerae with VPI-1 site-specific recombination characteristics contains CRISPR-Cas and type VI secretion modules.
Maurizio Labbate, Fabini D Orata, Nicola K Petty, Nathasha D Jayatilleke, William L King, Paul C Kirchberger, Chris Allen, Gulay Mann, Ankur Mutreja, Nicholas R Thomson, Yan Boucher, Ian G Charles
Feb 07, 2019
Cholera is a devastating diarrhoeal disease caused by certain strains of serogroup O1/O139 Vibrio cholerae. Mobile genetic elements such as genomic islands (GIs) have been pivotal in the evolution of O1/O139 V. cholerae. Perhaps...
Immuno-informatics analysis predicts B and T cell consensus epitopes for designing peptide vaccine against SARS-CoV-2 with 99.82% global population coverage.
Priyank Shukla, Preeti Pandey, Bodhayan Prasad, Tony Robinson, Rituraj Purohit, Leon G D'Cruz, Murtaza M Tambuwala, Ankur Mutreja, Jim Harkin, Taranjit Singh Rai, Elaine K Murray, David S Gibson, Anthony J Bjourson
Jan 28, 2022
The current global pandemic due to Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) has taken a substantial number of lives across the world. Although few vaccines have been rolled-out, a number of vaccine candidates...
Wave 2 strains of atypical Vibrio cholerae El Tor caused the 2009-2011 cholera outbreak in Papua New Guinea.
Andrew R Greenhill, Ankur Mutreja, Dieter Bulach, Matthew J Belousoff, Marinjho H Jonduo, Deirdre A Collins, Monalisa P Kas, Johanna Wapling, Torsten Seemann, Alice Lafana, Gordon Dougan, Mark V Brown, Paul F Horwood
Mar 11, 2019
Vibrio cholerae is the causative agent of cholera, a globally important human disease for at least 200 years. In 2009-2011, the first recorded cholera outbreak in Papua New Guinea (PNG) occurred. We conducted genetic and...
Divergent evolution of Corynebacterium diphtheriae in India
Naveen Kumar Devanga Ragupathi, Dhiviya Prabaa Muthuirulandi Sethuvel, Dhivya Murugan, Ranjini Ranjan, Vikas Gautam, Prashanth Gupta, Jaichand Johnson, Naresh Chand Sharma, Ankur Mutreja, Pradeep Haldar, Arun Kumar, Pankaj Bhatnagar, Lucky Sangal, Balaji Veeraraghavan
Jan 05, 2022
Diphtheria is caused by a toxigenic bacterium Corynebacterium diphtheria which is being an emerging pathogen in India. Since diphtheria morbidity and mortality continues to be high in the country, the present study aimed to...
Divergent evolution of Corynebacterium diphtheriae in India
Naveen Kumar Devanga Ragupathi, Dhiviya Prabaa Muthuirulandi Sethuvel, Dhivya Murugan, Ranjini Ranjan, Vikas Gautam, Prashanth Gupta, Jaichand Johnson, Naresh Chand Sharma, Ankur Mutreja, Pradeep Haldar, Arun Kumar, Pankaj Bhatnagar, Lucky Sangal, Balaji Veeraraghavan
Jan 28, 2022
Diphtheria is caused by a toxigenic bacterium Corynebacterium diphtheria which is being an emerging pathogen in India. Since diphtheria morbidity and mortality continues to be high in the country, the present study aimed to...
Genomic plasticity associated with antimicrobial resistance in Vibrio cholerae.
Jyoti Verma, Satyabrata Bag, Bipasa Saha, Pawan Kumar, Tarini Shankar Ghosh, Mayanka Dayal, Tarosi Senapati, Seema Mehra, Prasanta Dey, Anbumani Desigamani, Dhirendra Kumar, Preety Rana, Bhoj Kumar, Tushar K Maiti, Naresh C Sharma, Rupak K Bhadra, Ankur Mutreja, G Balakrish Nair, Thandavarayan Ramamurthy, Bhabatosh Das
Jun 17, 2019
Antimicrobial resistance Cholera Genome mobile genetic elements Proteome Anti-Bacterial Agents Cholera Conjugation Genetic DNA Transposable Elements Diarrhea Drug Resistance Multiple Bacterial evolution Molecular Feces Gene Transfer Horizontal genetic variation Genome Bacterial Genomic Islands Humans Imipenem india Interspersed Repetitive Sequences Phenotype Plasmids Prophages Proteome Vibrio cholerae Vibrio cholerae O1 whole genome sequencing
Vibrio cholerae O139 genomes provide a clue to why it may have failed to usher in the eighth cholera pandemic.
Thandavarayan Ramamurthy, Agila Kumari Pragasam, Alyce Taylor-Brown, Robert C Will, Karthick Vasudevan, Bhabatosh Das, Sunil Kumar Srivastava, Goutam Chowdhury, Asish K Mukhopadhyay, Shanta Dutta, Balaji Veeraraghavan, Nicholas R Thomson, Naresh C Sharma, Gopinath Balakrish Nair, Yoshifumi Takeda, Amit Ghosh, Gordon Dougan, Ankur Mutreja
Aug 06, 2022
Cholera is a life-threatening infectious disease that remains an important public health issue in several low and middle-income countries. In 1992, a newly identified O139 Vibrio cholerae temporarily displaced the O1 serogroup....
Vibrio cholerae O139 genomes provide a clue to why it may have failed to usher in the eighth cholera pandemic.
Thandavarayan Ramamurthy, Agila Kumari Pragasam, Alyce Taylor-Brown, Robert C Will, Karthick Vasudevan, Bhabatosh Das, Sunil Kumar Srivastava, Goutam Chowdhury, Asish K Mukhopadhyay, Shanta Dutta, Balaji Veeraraghavan, Nicholas R Thomson, Naresh C Sharma, Gopinath Balakrish Nair, Yoshifumi Takeda, Amit Ghosh, Gordon Dougan, Ankur Mutreja
Jul 05, 2022
Cholera is a life-threatening infectious disease that remains an important public health issue in several low and middle-income countries. In 1992, a newly identified O139 Vibrio cholerae temporarily displaced the O1 serogroup....
Integrated view of Vibrio cholerae in the Americas.
Daryl Domman, Marie-Laure Quilici, Matthew J Dorman, Elisabeth Njamkepo, Ankur Mutreja, Alison E Mather, Gabriella Delgado, Rosario Morales-Espinosa, Patrick AD Grimont, Marcial Leonardo Lizárraga-Partida, Christiane Bouchier, David M Aanensen, Pablo Kuri-Morales, Cheryl L Tarr, Gordon Dougan, Julian Parkhill, Josefina Campos, Alejandro Cravioto, François-Xavier Weill, Nicholas R Thomson
Feb 15, 2019
Latin America has experienced two of the largest cholera epidemics in modern history; one in 1991 and the other in 2010. However, confusion still surrounds the relationships between globally circulating pandemic Vibrio cholerae...
Vedantic variations in the presence of Europe
Ankur Barua
May 05, 2017
Abstract
We will offer in this essay an analytic overview of four texts from the second half of the nineteenth century which elaborated different variations on the Hindu dharma. These are Rajnarayan Basu’s Hindu...
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