Figure 1From: The presence of nitrate dramatically changed the predominant microbial community in perchlorate degrading cultures under saline conditions The relative abundance of members of the Alpha, Beta, and Gamma Proteobacter are shown in a pie chart with approximate percentages indicated. The dramatic decrease of the Alphaproteobacter in the NP30 culture and accompanying increase in the Betaproteobacter is clearly illustrated.Back to article page