Research Article

A Novel msDNA (Multicopy Single-Stranded DNA) Strain Present in Yersinia frederiksenii ATCC 33641 Contig01029 Enteropathogenic Bacteria with the Genomic Analysis of It's Retron

Figure 1

Possible secondary structures of multicopy single-stranded DNA (msDNAs) from pathogenic bacteria. (a) The branching guanine base (G) residue at position 12 in RNA portion of msDNA is circled and forming a 2′, 5′-phosphodiester bond (a). Both the DNA and RNA secondary stem loop structures were suggested on the basis of their sequences. The RNA portion was boxed and the numbers of RNA and DNA were begun from 5′ ends. The conserved nucleotides are indicated by stars in all msDNAs. (a) The msDNA-Yf79 is predicted from Yersinia frederiksenii [11], (b) msDNA-St85 is isolated from S. Typhimurium [5], (c) msDNA-Vc95 is from V. cholerae [10], and (d) msDNA-Vp96 is from V. parahaemolyticus (Shimamoto T, 2003, unpublished data). The arrow indicates thymine base (T) at position 67 in the DNA part of msDNA-Yf79 (a).
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