| Rank | Genus | Accessed |
|---|---|---|
| 1 | Corynebacterium | 2 |
| 2 | Frankia | 2 |
| 3 | Saccharopolyspora | 2 |
| 4 | Streptomyces | 2 |
| 5 | Pseudonocardia | 1 |
| 6 | Nocardiopsis | 1 |
| 7 | Kitasatospora | 1 |
| Rank | Contributor | Accessed |
|---|---|---|
| 1 | G. Vobis | 2 |
| 2 | M. Nishimura | 2 |
| 3 | M. Wachi | 2 |
| 4 | K.S. Whang | 1 |
| 5 | 1 | |
| 6 | D.D. Baker | 1 |
| 7 | H.A. Lechevalier | 1 |
| 8 | A.F. Yassin | 1 |
| 9 | K. Duangmal | 1 |
| 10 | A. Matsumoto | 1 |
| 11 | S. Suzuki | 1 |
| 12 | R.C. Yao | 1 |
| 13 | F.P. Mertz | 1 |
| 14 | Y. Takahashi | 1 |
| Rank | Country | Accessed |
|---|---|---|
| 1 | United States | 597 |
| 2 | Iran (Islamic Republic of) | 176 |
| 3 | Egypt | 75 |
| 4 | Japan | 51 |
| 5 | Ukraine | 16 |
| 6 | China | 15 |
| 7 | Russian Federation | 12 |
| 8 | Mexico | 9 |
| 9 | Netherlands | 7 |
| 10 | Finland | 5 |
| 11 | Belarus | 4 |
| 12 | France | 4 |
| 13 | Canada | 3 |
| 14 | Sweden | 3 |
| 15 | Viet Nam | 3 |
| 16 | Brazil | 3 |
| 17 | Indonesia | 2 |
| 18 | Malaysia | 2 |
| 19 | Algeria | 2 |
| 20 | Philippines | 1 |
| 21 | Turkey | 1 |
| 22 | European Union | 1 |
| 23 | Armenia | 1 |
| 24 | Greece | 1 |
| 25 | Azerbaijan | 1 |
| 26 | Croatia | 1 |
| 27 | Switzerland | 1 |
| 28 | Oman | 1 |
| 29 | Syrian Arab Republic | 1 |
| 30 | Chile | 1 |