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ISSN: 2161-1009

Biochemistry & Analytical Biochemistry
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Research Article

In Silico Identification of Common Putative Drug Targets among the Pathogens of Bacterial Meningitis

Manne Munikumar1, I Vani Priyadarshini1, Dibyabhaba Pradhan1, Swargam Sandeep1, Amineni Umamaheswari1* and BhumaVengamma2

1SVIMS Bioinformatics Centre, Department of Bioinformatics, SVIMS University, Tirupati-517507, AP, India

2Department of Neurology, SVIMS University, Tirupati-517507, AP, India

*Corresponding Author:
Dr. Amineni Umamaheswari
SVIMS Bioinformatics Centre
Department of Bioinformatics
SVIMS University
Tirupati-517507, AP, India
Tel: +0877-2287727
E-mail: [email protected]

Received Date: September 21, 2012; Accepted Date: November 09, 2012; Published Date: November 12, 2012

Citation: Munikumar M, Vani Priyadarshini I, Pradhan D, Sandeep S, Umamaheswari A, et al. (2012) In Silico Identification of Common Putative Drug Targets among the Pathogens of Bacterial Meningitis. Biochem Anal Biochem 1:123. doi: 10.4172/2161-1009.1000123

Copyright: © 2012 Munikumar M, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Monitoring infectious emerging diseases, especially the central nervous system infections, has become one of the important priorities in health care system. Epidemiological, serological and bacteriological studies revealed that Streptococcus pneumonia, Neisseria meningitidis, Haemophilus influenzae type b and Staphylococcus aureus are common pathogens of bacterial meningitis. Therefore, identification of common drug targets in these pathogens would be crucial to overcome drug resistance to existing antibiotic therapy. In the present study, comparative proteome analysis, subtractive genomic approach and metabolic pathway analysis were implemented to propose common potential drug targets for pathogens of bacterial meningitis. Streptococcus pneumonia was selected as reference organism, and the common proteins of the pathogens were verified for essentiality in pathogen’s survival, using Database of Essential Genes (DEG). The 213 essential proteins identified were screened for human non-homology. Thirty seven unique essential proteins which are non-homologues to human were proposed as common potential drug targets for pathogens of bacterial meningitis. Pathway analysis revealed that 26 drug targets were enzymes, eight were non-enzymes, and three were conserved hypothetical proteins. Six enzymes were involved in pathways unique to the pathogens of bacterial meningitis. Furthermore, prediction of sub cellular localization and drug prioritization of 37 proteins affirmed that the drug targets would be useful in design and discovery of novel therapeutic compounds against bacterial meningitis.

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