2.7 Phylogenetic analyses
In accordance with a previously described method (Iino et al. ,
2010), the 16S RNA gene sequences of 12 phylogenetically-related
bacteria in the order Bacteroidales were selected. Phylogenetic
trees were constructed using the NJ method with CLUSTAL_X (Saitou and
Nei, 1987; Thompson et al. , 1997).