Table 1.

General genomic properties of representative free-living and symbiotic Gammaproteobacteria and Bacteroidetes

Gammaproteobacteria
Bacteroidetes
Escherichia coliBaumannia cicadellinicolaBuchnera APSCarsonella ruddiiBacteroides thetaiotaomicronPorphyromonas gingivalisSulcia muelleri
Genome size, bp4,639,675686,194640,681159,6626,260,3612,343,476245,530
G + C, %50.833.226.316.642.848.322.4
No. of genes4,4186516072134,8642,015263
Coding density, %88.488.788.997.389.985.296.1
Avg CDS length, bp9549869898261,1741,0141,006
  • The coding densities include both protein (CDS) and RNA genes. Values were calculated from the following GenBank accession files: Escherichia coli K-12 MG1655 (U00096.2), Baumannia cicadellinicola (CP000238.1), Buchnera aphidicola APS (BA000003.2), Carsonella ruddii (AP009180.1), Bacteroides thetaiotaomicron (AE015928.1), Porphyromonas gingivalis (AE015924.1), and Sulcia muelleri (CP000770.2).