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Fig. S1. Weblogo representation of the consensus promoter sequences predicted across the siphovirus P-SS2 genome. Genomic locations of the predicted promoter sequence locations are presented in Suppl. Table 1 (along with predicted terminators).

Fig. S2. Phylogenetic relationships of group 3 sigma factors among phages and microbes. In contrast to group 1 sigma factors which are universal among microbes, these group 3 sigma factor transcriptional regulatory proteins are uncommon among microbes. This is particularly notable among the marine Prochlorococcus where they are only found in ProMIT9313 and ProMIT9303. Tree details are as in the Fig. 2 legend, and methods, while in-figure table contains taxa names.

Fig. S3. %G+C plot of the siphovirus P-SS2 genome. The black line indicates a sliding base-pair (100 bp) window of %G+C along the genome, while the red line indicates 2.5 times the standard deviation. Notably the major deviation from the genome average (highlighted with the grey box) is where the anomalous tail fibre protein of putative lateral gene transfer origin.

Table S1. Genomic locations of predicted promoters and terminators.

Table S2. Details of genomic regions sharing synteny with representative genomes presented in Fig. 6A.

Table S3. Environmental sequence reads from the Global Ocean Survey (Rusch et al., 2007) that were best hits to the P-SS2 genome.

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FilenameFormatSizeDescription
EMI_2081_sm_Tab_S1-3.doc97KSupporting info item
EMI_2081_sm_Figs.ppt3053KSupporting info item

Please note: Wiley Blackwell is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.