In-silico analysis of simple and imperfect microsatellites in diverse tobamovirus genomes
2013
Alam, Chaudhary Mashhood | Singh, Avadhesh K. | Sharfuddin, Choudhary | Ṣafdar, ʻAlī
An in-silico analysis of simple sequence repeats (SSRs) in 30 species of tobamoviruses was done. SSRs (mono to hexa) were present with variant frequency across species. Compound microsatellites, primarily of variant motifs accounted for up to 11.43% of the SSRs. Motif duplications were observed for A, T, AT, and ACA repeats. (AG)–(TC) was the most prevalent SSR-couple. SSRs were differentially localized in the coding region with ~54% on the 128kDa protein while 20.37% was exclusive to 186kDa protein. Characterization of such variations is important for elucidating the origin, sequence variations, and structure of these widely used, but incompletely understood sequences.
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