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Relation between the morphological type of Streptomyces xanthochromogenes RIA 1098 mutants and their ability to convert compactin to pravastatin
| Morphological type | Aerial mycelium development | Pigmentation | Compactin conversion level (%) |
|---|---|---|---|
| 1 | Weak | Absent | >60 |
| 2 | Well-developed | Absent | <40 |
| 3 | Well-developed | Weak | <40 |
| 4 | Well-developed | Well marked | <40 |
| 5 | Weak | Well marked | <40 |
