FIGURE 3.

Phylogenetic tree of the pathogenic Vibrio species responsible of outbreaks in bivalve hatcheries. V. tasmaniensis and V. crassostreae, well-known pathogenic species for spat and juveniles in the natural environment, were also included. Analyses were based on the concatenation of the partial sequences of five housekeeping genes (gyrB, ftsZ, pyrH, recA and rpoA; 3073 bp) after multiple data alignment with MUSCLE software using ML algorithm (GTR+G model). Symbols show the pathogenicity of these species for larvae and/or spat of: oysters (red squares), clams (black circles), scallops (orange stars) and mussels (blue triangles).