Fig. 6From: Investigation of the thermophilic mechanism in the genus Porphyrobacter by comparative genomic analysisPrincipal component analysis (PCA) of amino acid frequencies among eight Porphyrobacter type strains. PC1 and PC2 account for 43 and 40% of the total variances. Red indicates P. cryptus DSM 12079T, whereas blue represents seven other Porphyrobacter type strainsBack to article page