The Open Bioinformatics Journal




ISSN: 1875-0362 ― Volume 11, 2018

Mining the Proteome of Haemophilus ducreyi for Identification of Potential Drug Targets


The Open Bioinformatics Journal, 2010, 4: 1-4

Aditya Narayan Sarangi, Stuti Gupta, Nidhi Trivedi, Bhawna Rathi, Shailendra Kumar Gupta

Biomedical Informatics Centre, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow-226014, India.

Electronic publication date 7/1/2010
[DOI: 10.2174/1875036201004010001]

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Abstract:

Chancroid is an extremely infectious sexually transmitted disease (STD) caused by the bacterium Haemophilus ducreyi, prevalent in Africa, United States and in some parts of South Asia. Chancroid has been recognized as a cofactor for human immunodeficiency virus (HIV) transmission. So, there is a requirement to develop an efficient drug to combat chancroid, which can also diminish the HIV prevalence in those populations where chancroid is a prime source for HIV infection. The availability of the complete proteome information of H. ducreyi help enabled in silico analysis for identification of potential vaccine candidates and drug targets. Our study revealed 1226 proteins in H. ducreyi to be nonhomologous with human proteome. Screening these proteins using the Database of Essential Genes (DEG) resulted in the identification of 451 essential proteins. Analysis of the identified essential proteins, using the KEGG Automated Annotation Server (KAAS), revealed 40 proteins of H. ducreyi as potential drug targets as they are involved in pathogen specific metabolic pathways. Subcellular localization prediction of these 451 essential proteins revealed that 11 proteins lie on the outer membrane of the pathogen which could be potential vaccine candidates. Functional family prediction for the 50 putative uncharacterized essential proteins of H. ducreyi by SVM-Prot web server revealed that out of 50, 3 proteins as transmembrane proteins, which may be potential drug targets. Identification of potential inhibitors against these targets through virtual screening may consequence in detection of novel lead compounds effective against H. ducreyi to combat chancroid.


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