| phylum | Band No. | Closest relative    (obtained from BLAST search) | Identity (%) | A | B | C | D | 
      
        | Proteobacteria | 1 | Acinetobacter sp. (HQ841068.1) | 100 | 0.8±1.1 | 0.0 | 0.0 | 0.9±0.2 | 
      
        |  | 2 | Acinetobacter sp. (EU260174.1) | 99 | 2.2±0.5 | 1.1±0.6 | 0.9±0.7 | 1.4±0.9 | 
      
        |  | 4 | Acinetobacter haemolyticus (HQ132734.1) | 100 | 1.3±0.3 | 0.9±0.2 | 0.5±0.2 | 0.8±0.5 | 
      
        |  | 5 | Acinetobacter sp. (FR749840.1) | 100 | 19.2±4.7 | 23.0±1.7 | 25.6±3.2 | 12.0±7.3 | 
      
        |  | 6 | Acinetobacter sp. (HQ659186.1) | 100 | 1.2±0.6 | 0.7±0.0 | 0.8±0.2 | 0.9±0.3 | 
      
        |  | 9 | Acinetobacter sp. (FJ646641.1) | 99 | 1.2±0.4 | 1.9±0.2 | 1.5±0.6 | 0.8±0.4 | 
      
        |  | 13 | Nevskia sp.(AB426558.1) | 100 | 4.3±1.2 | 4.2±1.0 | 1.4±1.0 | 2.8±1.5 | 
      
        |  | 14 | Escherichia vulneris (HQ259947.1) | 100 | 0.5±0.2 | 1.4±0.8 | 0.7±0.3 | 0.3±0.1 | 
      
        |  | 15 | Shewanella xiamenensis (HQ418493.1) | 100 | 0.0 | 0.0 | 0.0 | 2.6±1.3 | 
      
        |  | 21 | Escherichia fergusonii (HQ259962.1) | 100 | 0.4±0.3 | 1.6±0.8 | 0.2±0.2 | 0.3±0.1 | 
      
        |  | 22 | Cronobacter dublinensis (HQ880412.1) | 100 | 0.0 | 0.7±0.1 | 0.2±0.3 | 0.0 | 
      
        |  | 25 | Serratia sp. (HQ588852.1) | 100 | 2.6±2.7 | 3.0±0.7 | 1.9±0.6 | 2.7±0.1 | 
      
        | Firmicutes | 10 | Lactococcus lactis subsp. lactis (EF589778.1) | 100 | 1.6±0.9 | 0.7±0.5 | 0.6±0.2 | 1.3±0.4 | 
      
        |  | 16 | Staphylococcus pasteuri (HQ739095.1) | 100 | 2.4±2.5 | 0.6±0.1 | 0.4±0.3 | 2.5±0.0 | 
      
        |  | 17 | Anoxybacillus sp.(HQ696615.1) | 100 | 0.7±0.1 | 0.9±1.0 | 0.3±0.2 | 0.4±0.3 | 
      
        |  | 19 | Lactococcus lactissubsp. (EF589778.1) | 99 | 13.9±3.5 | 17.1±2.1 | 11.6±3.8 | 8.7±5.2 | 
      
        |  | 24 | Anoxybacillus sp.    (FN432807.1) | 100 | 0.9±1.2 | 0.0 | 0.0 | 1.0±0.2 | 
      
        |  | 26 | Yersinia kristensenii(HM142713.1) | 100 | 0.0 | 0.0 | 0.8±0.5 | 0.0 | 
      
        |  | 27 | Lactococcus lactis subsp. cremoris (JF297369.1) | 99 | 0.9±0.6 | 0.0 | 2.4±1.0 | 0.7±0.1 | 
      
        | Fusobacteria | 11 | Cetobacterium sp. (HM778168.1) | 100 | 3.2±0.3 | 1.1±0.3 | 4.8±2.1 | 1.7±1.5 | 
      
        |  | 18 | Cetobacterium somerae (AB353124.1) | 100 | 1.9±0.4 | 2.4±0.4 | 3.7±1.3 | 1.2±0.7 | 
      
        | Unclassified bacteria | 7 | Marine sponge bacterium (EU346455.1) | 99 | 0.3±0.3 | 0.0 | 0.0 | 0.3±0.0 | 
      
        |  | 8 | Uncultured bacterium    (GU485261.1) | 99 | 39.6±5.6 | 35.7±1.5 | 37.6±3.8 | 22.6±17.0 | 
      
        |  | 12 | Uncultured    bacterium clone 2701 (HM452218.1) | 99 | 1.6±0.7 | 2.2±0.3 | 3.5±0.9 | 1.1±0.5 | 
      
        |  | 20 | Activated sludge    bacterium (GU136512.1) | 99 | 0.0 | 0.2±0.2 | 0.0 | 0.0 | 
      
        |  | 23 | Bacterium B81(2011) (HQ674993.1) | 99 | 0.0 | 0.4±0.1 | 0.3±0.1 | 0.0 |