Table 1. Result of DGGE analysis for R. japonicum liquid culture samples.
| DGGE band | Closest type strain | Strain | GenBank accession no. | Pairwise similarity (%) |
| A1-1 | Micrococcus terreus | V3M1(T) | FJ423763 | 98.3 |
| A4-1 | Mycoplasma ravipulmonis | Mus musculus | AF001173 | 89.1 |
| A4-4 | Sphingopyxis witflariensis | W-50(T) | AJ416410 | 92.1 |
| A4-5 | Rhizomicrobium electricum | Mfc52(T) | AB365487 | 94.8 |
| A4-6 | Spirosoma linguale | DSM 74(T) | CP001769 | 97.5 |
| A7-4 | Methylobacterium tardum | RB677(T) | AB252208 | 96.5 |
| B1-3 | Micrococcus terreus | V3M1(T) | FJ423763 | 99.2 |
| B1-5 | Micrococcus terreus | V3M1(T) | FJ423763 | 100 |
| B4-3 | Methylovirgula ligni | BW863(T) | FM252034 | 96.6 |
| B4-4 | Methylobacterium zatmanii | DSM 5688(T) | AB175647 | 96.9 |
| B4-5 | Achromobacter marplatensis | B2(T) | EU150134 | 96.4 |
| B4-6 | Sneathiella glossodoripedis | IAM 15419(T) | AB289439 | 82.9 |
| C1-1 | Spirosoma linguale | DSM 74(T) | CP001769 | 94.1 |
| C1-5 | Acinetobacter haemolyticus | DSM 6962(T) | X81662 | 93.7 |
| C1-6 | Achromobacter marplatensis | B2(T) | EU150134 | 93.2 |
| C1-7 | Methylocella tundrae | T4(T) | AJ555244 | 92.1 |
| C1-8 | Sanguibacter keddieii | DSM 10542(T) | CP001819 | 99.2 |
| C1-9 | Streptomyces thermovulgaris | NBRC 16609(T) | AB249975 | 99.2 |
| C4-1 | Cytophaga hutchinsonii | ATCC 33406(T) | CP000383 | 100 |
| C4-2 | Pedobacter koreensis | WPCB189(T) | DQ092871 | 84.2 |
| C4-5 | Giesbergeria sinuosa | LMG 4393(T) | AF078754 | 84.4 |
| C4-6 | Reyranella massiliensis | URTM1(T) | EF394922 | 100 |
| C7-1 | Hirschia maritima | GSW-2(T) | FM202386 | 96.6 |
| C7-2 | Methylocella tundrae | T4(T) | AJ555244 | 96.5 |
| C7-3 | Verminephrobacter eiseniae | EF01-2(T) | CP000542 | 85.2 |
| D1-1 | Sphingopyxis witflariensis | W-50(T) | AJ416410 | 98.3 |
| D1-2 | Bacillus pocheonensis | Gsoil 420(T) | AB245377 | 92.9 |
| D1-3 | Methylocapsa aurea | KYG(T) | FN433469 | 98.6 |
| D1-4 | Methylocella tundrae | T4(T) | AJ555244 | 97.4 |
| D1-5 | Salinibacterium xinjiangense | 0543(T) | DQ515964 | 100 |
| D1-6 | Dyadobacter psychrophilus | BZ26(T) | GQ131577 | 96.9 |
| D1-7 | Zimmermannella bifida | IAM 14848(T) | AB012595 | 80.5 |
| D1-9 | Dyadobacter psychrophilus | BZ26(T) | GQ131577 | 97.5 |
| D4-1 | Spirosoma linguale | DSM 74(T) | CP001769 | 95.7 |
| D7-1 | Polysiphonia harveyi Chloroplast | AY731510 | 87 | |
| D7-2 | Polaromonas aquatica | CCUG 39402(T) | AM039830 | 97 |
Identification was done at EZtaxon site (version 2.1). The closest relatives are listed.