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. 2009 Feb 27;75(8):2581–2584. doi: 10.1128/AEM.01500-08

FIG. 2.

FIG. 2.

Phylogenetic tree derived from the 16S rRNA gene sequences closely related to Synechococcus spp., Xenococcus spp., and Oscillatoria spp. sequences detected in BBD and their neighbors. The tree topology is based on the maximum-parsimony analysis. The bar represents 10% estimated sequence divergence. Boldface type indicates sequences from this study, designated as follows. FRSSBA, UFSSBA, FRSSCY, and UFSSCY indicate sequences retrieved from frozen (FR) and unfrozen (UF) samples of S. siderea (SS) using universal bacterial primers (BA) and cyanobacterium-specific (CY) primers for 16S rRNA gene amplification. FRDCBA, UFDCBA, and UFDCCY indicate sequences retrieved from frozen and unfrozen samples of Diploria clivosa (DC), and the same primer designations are used as for S. siderea sequences. GenBank sequence accession numbers are listed for all sequences. Asterisks designate sequences corresponding to the sequence from the BBD Oscillatoria discussed in the text.