Computational Approach for Identification of Anopheles gambiae miRNA Involved in Modulation of Host Immune Response
Identifieur interne : 002152 ( Main/Exploration ); précédent : 002151; suivant : 002153Computational Approach for Identification of Anopheles gambiae miRNA Involved in Modulation of Host Immune Response
Auteurs : Krishnaraj Thirugnanasambantham [Inde] ; Villianur Ibrahim Hairul-Islam [Inde] ; Subramanian Saravanan [Inde] ; Subramaniyan Subasri [Inde] ; Ariraman Subastri [Inde]Source :
- Applied Biochemistry and Biotechnology [ 0273-2289 ] ; 2013-05-01.
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Abstract
Abstract: MicroRNAs (miRNAs) are small, noncoding RNAs that play key roles in regulating gene expression in animals, plants, and viruses, which involves in biological processes including development, cancer, immunity, and host–microorganism interactions. In this present study, we have used the computational approach to identify potent miRNAs involved in Anopheles gambiae immune response. Analysis of 217,261 A. gambiae ESTs and further study of RNA folding revealed six new miRNAs. The minimum free energy of the predicted miRNAs ranged from −27.2 to −62.63 kcal/mol with an average of −49.38 kcal/mol. While its A + U % ranges from 50 to 65 % with an average value of 57.37 %. Phylogenetic analysis of the predicted miRNAs revealed that aga-miR-277 was evolutionary highly conserved with more similarity with other mosquito species. Observing further the target identification of the predicted miRNA, it was noticed that the aga-miR-2304 and aga-miR-2390 are involved in modulation of immune response by targeting the gene encoding suppressin and protein prophenoloxidase. Further detailed studies of these miRNAs will help in revealing its function in modulation of A. gambiae immune response with respect to its parasite.
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DOI: 10.1007/s12010-013-0183-5
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