Overview of Gram-Positive and Other Bacteria Bacteria has many phyla other than Proteobacteria,including -Gram-positive bacteria Large group of mostly chemoorganotrophs -Cyanobacteria Oxygenic phototrophs that have evolutionary roots near those of gram-positive bacteria -Phylogenetically early-branching phyla ·Such as Aquifex产液菌属 Other morphologically distinct groups CHEN FENG,MICROBIOLOGY,SJTUChen Feng, Microbiology, SJTU Overview of Gram-Positive and Other Bacteria • Bacteria has many phyla other than Proteobacteria, including – Gram-positive bacteria • Large group of mostly chemoorganotrophs – Cyanobacteria • Oxygenic phototrophs that have evolutionary roots near those of gram-positive bacteria – Phylogenetically early-branching phyla • Such as Aquifex 产液菌属 – Other morphologically distinct groups