Table 1  Comparison of Genome Features of Proteobacterial Endosymbionts and Endoparasites    a Independent estimates obtained during this work. wBm, Wolbachia from B. malayi; wMel, Wolbachia from Drosophila melanogaster; R. conorii, Rickettsia conorii; R. prowazekii, Rickettsia prowazekii; B. aphidicola, Buchnera aphidicola; B. floridanus, Blochmannia floridanus; W. glossinidia, Wigglesworthia glossinidia.  IS, insection element sequence
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