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Int. J. Mol. Sci. 2012, 13(3), 3134-3144; doi:10.3390/ijms13033134
Article

Prediction of Genomic Islands in Three Bacterial Pathogens of Pneumonia

*  and
Received: 31 January 2012; in revised form: 20 February 2012 / Accepted: 1 March 2012 / Published: 7 March 2012
(This article belongs to the Section Biochemistry, Molecular Biology and Biophysics)
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Abstract: Pneumonia is one kind of common infectious disease, which is usually caused by bacteria, viruses, or fungi. In this paper, we predicted genomic islands in three bacterial pathogens of pneumonia. They are Chlamydophila pneumoniae, Mycoplasma pneumoniae and Streptococcus pneumoniae, respectively. For each pathogen, one clinical strain is involved. After implementing the cumulative GC profile combined with h and BCN index, eight genomic islands are found in three pathogens. Among them, six genomic islands are found to have mobility elements, which constitute a kind of conserved character of genomic islands, and this introduces the possibility that they are genuine genomic islands. The present results show that the cumulative GC profile when combined with h and BCN indexes is a good method for predicting genomic islands in bacteria and it has lower false positive rate than the SIGI method. Specially, three genomic islands are found to contain clusters of genes coding for production of virulence factors and this is useful for research into the pathogenicity of these pathogens and helpful for the treatment of diseases caused by them.
Keywords: genomic islands; pneumonic pathogens; cumulative GC profile genomic islands; pneumonic pathogens; cumulative GC profile
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Guo, F.-B.; Wei, W. Prediction of Genomic Islands in Three Bacterial Pathogens of Pneumonia. Int. J. Mol. Sci. 2012, 13, 3134-3144.

AMA Style

Guo F-B, Wei W. Prediction of Genomic Islands in Three Bacterial Pathogens of Pneumonia. International Journal of Molecular Sciences. 2012; 13(3):3134-3144.

Chicago/Turabian Style

Guo, Feng-Biao; Wei, Wen. 2012. "Prediction of Genomic Islands in Three Bacterial Pathogens of Pneumonia." Int. J. Mol. Sci. 13, no. 3: 3134-3144.


Int. J. Mol. Sci. EISSN 1422-0067 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert