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Pirins are evolutionarily conserved iron-containing proteins that are found in all kingdoms of life, and have been implicated in diverse molecular processes, mostly associated with cellular stress. In the present study, we started from the evidence that the insertional inactivation of pirin-like gene SAM23877_RS18305 (pirA) by ΦC31 Att/Int system-based vectors in spiramycin-producing strain Streptomyces...
Rifamycins are mainstay agents in treatment of many widespread diseases, but how an improved rifamycin producer can be created is still incompletely understood. Here, we describe a comparative genomic approach to investigate the mutational patterns introduced by the classical mutate-and-screen method in the genome of an improved rifamycin producer. Comparing the genome of the rifamycin B overproducer...
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