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. 2006 Nov 17;103(48):18296–18301. doi: 10.1073/pnas.0608549103

Fig. 2.

Fig. 2.

The C. symbiosum genome. Nested circles from outermost to innermost represent the following information. (i) Gene content predicted on the forward strand. (ii) Gene content predicted on the reverse strand. The color of predicted ORFs is based on COG functional categories (see key for color designations). (iii) Conservation of predicted C. symbiosum genes in the unassembled set of WGS data from the SAR. (iv) Conservation of predicted C. symbiosum genes in the set of published and completed microbial genomes (see Supporting Text). The height of the bars in circles 3 and 4 indicates the BSR for the set of predicted C. symbiosum proteins, queried against the public genomes and SAR, respectively, spanning a range of BSR values between ≈30% and 100% amino acid identity. (v) The extent of polymorphisms within the type-a population shown in Fig. 1 mapped on the genome (see Fig. 1 for details). (vi) Expanded gene families (discussed in the text; see key for color designations and Table 6 for additional information); note that high numbers of polymorphisms (circle 5) frequently coincide with the expanded protein families. (vii) tRNA and rRNA gene positions. (viii) G + C content deviation from the mean (57.5%) in 1,000-bp windows.