Figure 2.

Bayesian phylogenetic tree of opisthokont and amoebozoan SSU rDNA sequences retrieved from sediment and plankton of a suboxic pond (CV1) and an oxic freshwater (CH1) shallow lake. Sixty-seven sequences and 1345 sites were used. For the chimerical phylotype LEMD255, only the amoebozoan portion (nucleotides 1–1379) was included in the analysis (see Berney et al. 2004). Sequences derived from this study are highlighted in bold. Geometric symbols indicate the type of environment in which each phylotype was identified. Posterior probabilities are given on the left at nodes. Bootstrap values obtained in maximum likelihood analyses are given at nodes (right) only when they are greater than 60%. The scale bar represents the number of substitutions per 100 positions per unit branch length.