Cloning of Sal1, a scytalone dehydratase gene involved in melanin biosynthesis in Cochliobolus heterostrophus
2012
Saitoh, Yoshimoto | Izumitsu, Kosuke | Morita, Atsushi | Shimizu, Kiminori | Tanaka, Chihiro
A melanin biosynthetic gene, Sal1, in the southern corn leaf blight fungus Cochliobolus heterostrophus, was identified by degenerate and inverse PCR. Structural analysis revealed that the open reading frame is 555Â bp in length, interrupted by one intron. Melanin deficiency of the sal1 mutant strain, which accumulates the intermediate scytalone, was successfully complemented by introducing the gene fragment. These results suggest that Sal1 is a scytalone dehydratase gene of C. heterostrophus.
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