| Rank | Genus | Accessed |
|---|---|---|
| 1 | Streptomyces | 4 |
| 2 | Saccharopolyspora | 3 |
| 3 | Actinomadura | 2 |
| 4 | Dermatophilus | 2 |
| 5 | Pseudosporangium | 1 |
| 6 | Nocardioides | 1 |
| 7 | Austwickia | 1 |
| 8 | Actinosynnema | 1 |
| 9 | Propionibacterium | 1 |
| 10 | Amycolatopsis | 1 |
| Rank | Contributor | Accessed |
|---|---|---|
| 1 | R.C. Yao | 3 |
| 2 | F.P. Mertz | 3 |
| 3 | S. Amano | 3 |
| 4 | M. Hamada | 2 |
| 5 | S. Miyadoh | 2 |
| 6 | K.S. Whang | 1 |
| 7 | H. Prauser | 1 |
| 8 | T. Shomura | 1 |
| 9 | T. Tamura | 1 |
| 10 | T. Hasegawa | 1 |
| 11 | T. Niida | 1 |
| 12 | R.H. Berg | 1 |
| 13 | H.J. Lee | 1 |
| Rank | Country | Accessed |
|---|---|---|
| 1 | Japan | 723 |
| 2 | United States | 41 |
| 3 | Peru | 24 |
| 4 | France | 22 |
| 5 | China | 19 |
| 6 | Canada | 16 |
| 7 | Switzerland | 14 |
| 8 | Ukraine | 13 |
| 9 | Russian Federation | 11 |
| 10 | Thailand | 11 |
| 11 | India | 8 |
| 12 | Brazil | 8 |
| 13 | United Kingdom | 6 |
| 14 | Indonesia | 6 |
| 15 | Saudi Arabia | 6 |
| 16 | Spain | 5 |
| 17 | Chile | 4 |
| 18 | Philippines | 3 |
| 19 | Ecuador | 3 |
| 20 | Malaysia | 3 |
| 21 | Germany | 3 |
| 22 | Mexico | 3 |
| 23 | Australia | 2 |
| 24 | Poland | 2 |
| 25 | Netherlands | 1 |
| 26 | Bulgaria | 1 |
| 27 | Italy | 1 |
| 28 | Croatia | 1 |
| 29 | Czech Republic | 1 |
| 30 | Viet Nam | 1 |
| 31 | Iran (Islamic Republic of) | 1 |
| 32 | Turkey | 1 |
| 33 | Pakistan | 1 |
| 34 | Colombia | 1 |
| 35 | Singapore | 1 |
| 36 | Slovakia | 1 |