16S rRNA gene based phylogeny of Gamma- and Deltaproteobacteria and <i>Bacteroidetes</i>. HüglerMichael M. PetersenJillian DubilierNicole ImhoffJohannes F. M. SievertStefan 2011 <p>The tree was calculated using the Maximum-Likelihood method. Bootstrap values are shown as percentages of 100 bootstrap replicates. Sequences obtained in the present study are depicted in color. Scale bars represent 10% estimated sequence divergence.</p>