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. 2011 Mar 1;8(2):237–248. doi: 10.4161/rna.8.2.14991

Figure 1.

Figure 1

CoV genome structure and strategy of sgRNA expression. The upper line represents the TGEV genome structure. Letters above the bar indicate the gene names. L, leader sequence. AAA, poly(A). The shorter lines represent the viral mRNAs. Letters to the right of these lines indicate the gene encoded by each mRNA. Black lines represent the positive stranded RNAs, whereas gray lines represent the negative stranded RNAs. The triangles indicate the positions of the conserved core sequences (CSs) located upstream of each gene.