News

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May 22, 2019
Category: General
Posted by: admin

The farewell for M.Sc. Final year students who will be passing out of Department, was organized on 22-April-2019. For details and pictures, click here.

May 1, 2019
Category: General
Posted by: admin

Bids are invited through eprocurement portal for purchase of Water Bath with shaker (Tender ID: 2019_DU_466511_1). The details may be downloaded here. Last date of submission is 20-May-2019.

Apr 24, 2019
Category: General
Posted by: admin

The University of Delhi is in the process of revising the undergraduate syllabi under the Learning Outcomes Curriculum Framework (LOCF). The B.Sc. (H) Microbiology programme is being revised as per the national CBCS guidelines and LOCF. The Draft of the same is now ready which may be downloaded here. The Department invites all stakeholders to study the draft and submit comments, if any, for consideration by Committee of Courses. The comments may be submitted by email to ranigupta.udsc57@gmail.com or microsdc@south.du.ac.in latest by 31-May-2019.

CMS - 2.2.7 - Skookumchuck
 

Publications

Dr.J.S.Virdi

Lab Members

Publications

Sequence Submissions

Alumni

Projects

2004 onwards:

Singh, N.S., Singhal, N., and Virdi, J.S. (2018) Genetic environment of blaTEM-1, blaCTX-M-15, blaCMY-42 and characterization of integrons of Escherichia coli isolated from an Indian urban aquatic environment. Front Microbiol, 9, 382.

Kaushik, M., Kumar, S., Kapoor, R.K., Virdi J.S., and Gulati, P. (2017) Integrons in Enterobacteriaceae: diversity, distribution and epidemiology. Int J Antimicrob Agents, 51:167-176.

Bajaj, P., Singh, N.S., and Virdi, J.S. (2016). Escherichia coli β-Lactamases: What Really Matters. Front Microbiol, 7: 417.

Singhal, N., Kumar, M., Kanaujia, P.K., and Virdi, J.S. (2015). MALDI-TOF mass spectrometry: an emerging technology for microbial identification and diagnosis. Front Microbiol, 6:791.

Singhal, N., Srivastava, A., Kumar, M., and Virdi, J.S. (2015). Structural variabilities in β-lactamase (blaA) of different biovars of Yersinia enterocolitica: Implications for β-lactam antibiotic and β-lactamase inhibitor susceptibilities. PLoS One 10:e0123564.

Kanaujia, P.K., Bajaj, P., Kumar, S., Singhal, N., and Virdi, J.S. (2015). Proteomic analysis of Yersinia enterocolitica biovar 1A under iron-rich and iron-poor conditions indicate existence of efficiently regulated mechanisms of iron homeostasis. J Proteomics, 124: 39-49.

Srivastava, A., Singhal, N., Goel, M., Virdi, J.S., and Kumar, M. (2014). CBMAR: a comprehensive β-lactamase molecular annotation resource. Database (Oxford) 2014:bau111.

Singhal, N., Kumar, M., and Virdi, J.S. (2014). Molecular analysis of β-lactamase genes to understand their differential expression in Y. enterocolitica biotype 1A. Sci Rep. 4:5270.

Singh, D., Sharma, K.K., Dhar, M.S., and Virdi, J.S. (2014) Molecular modeling and docking of novel laccase from multiple serotype of Yersinia enterocolitica suggests differential and multiple substrate binding. Biochem Biophys Res Commun. 449:157-162.

Rastogi, N., Nagpal, N., Alam, H., Pandey, S., Gautam, L., Sinha, M., Shina, K., Manzoor, N., Virdi, J.S., Kaur, P., Sharma, S., and Singh, T.P. (2014). Preparation and antimicrobial action of three tryptic digested functional molecules of bovine lactoferrin. PLoS One 9: e90011.

Bhaduri, A., Misra, R., Bhetaria, P., Mishra, S., Maji, A., Arora, G., Virdi, J.S., and Singh, Y. (2013). Mycobacterium tuberculosis cyclophilin A uses novel signal sequence for secretion and mimics eukaryotic cyclophilins for interaction with host protein repertoire PLoS One 9: e88090

Dhar, M.S., Gupta, V., and Virdi, J.S. (2013). Detection, distribution and characterization of novel superoxide dismutases from Yersinia enterocolitica Biovar 1A. PLoS One, 8: e63919.

Bhagat, N. and Virdi, J.S. (2011). The enigma of Yersinia enterocolitica biovar 1A. Crit Rev Microbiol, 37: 25-39.

Mallik, S., and Virdi, J.S. (2010). Genetic relationships between clinical and non-clinical strains of Yersinia enterocolitica biovar 1A as revealed by multilocus enzyme electrophoresis and multilocus restriction typing. BMC Microbiol, 10:158.

Bhagat, N., and Virdi, J.S. (2009). Molecular and biochemical characterization of urease and survival of Yersinia enterocolitica biovar 1A in acidic pH in vitro. BMC Microbiol, 9: 262.

Mittal S, Mallik S, Sharma S, and Virdi JS (2007) Characteristics of β-lactamases and their genes (bla A and bla B) in Yersinia intermedia and Y. frederiksenii. BMC Microbiol, 7: 25.

Bhagat N and Virdi JS (2007) Distribution of virulence-associated genes in Yersinia enterocolitica biovar 1A correlate with clonal groups and not the source of isolation. FEMS Microbiology Letters 266: 177-186.

Sharma S, Mittal S, Mallik S and Virdi JS (2006) Molecular characterization of beta-lactamase genes blaA and blaB of Yersinia enterocolitica biovar 1A. FEMS Microbiology Letters 257: 319–327.

Sachdeva P, and Virdi JS (2004) Repetitive elements sequence (REP/ERIC) - PCR based genotyping of clinical and environmental strains of Yersinia enterocolitica biotype 1A reveal existence of limited number of clonal groups. FEMS Microbiology Letters, 240:193-201.

Sharma S, Ramnani P, and Virdi JS (2004) Detection and assay of b–lactamases in clinical and non-clinical strains of Yersinia enterocolitica biovar 1A. J. Antimicrobial Chemotherapy, 54:401-405.

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