Figure F4. Phylogenetic relationships of Grizzly Bare sediment gene clones related to (A) candidate bacterial phylum BHI80-139 and (B) candidate bacterial phylum JS1. Lineage in blue text was previously recovered from Juan de Fuca Ridge flank Baby Bare fluids (Huber et al., 2006b). Cultivated Dictyoglomaceae and Thermoanaerobacteraceae in A and cultivated Halanaerobiaceae in B were used as outgroups (not shown). Open circles indicate nodes with bootstrap support between 50% and 80%, whereas solid circles indicate bootstrap support >80%, from 1000 replicates. Gene clones recovered in this study are highlighted in bold; the fractional abundance of identical clones recovered from the sample is listed in parentheses. Scale bars correspond to 0.1 substitutions per nucleotide position. (Continued on next page.)
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