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. 2009 Sep 21;4(9):e6988. doi: 10.1371/journal.pone.0006988

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Carlson et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

PMC Copyright notice

Pie charts represent the COG classification for the genes uniquely regulated in the conditions listed. Each pie represents 100% of the genes exhibiting significant gene expression changes following growth in iron depleted media. COG categories were identified for each differentially regulated gene based on genomic annotation (GenBank accession, NC_007530). To simplify the analysis, the COG categories were grouped into general categories as follows: Categories A, J, K, L, and RNA genes were merged into “Transcription/translation/DNA replication/RNA”; C, E, F, G, H, I, P, and Q were combined into “Transport and metabolism”; COGs N, T, and U were combined into “Cellular functions/trafficking/secretion/signal transduction”; and categories R and S were grouped with uncategorized genes and classified as “Unknown.” Other COG categories listed are reported as they were originally defined.