The Korean Soclety of Plant Pathology : A ; Bacteriology and Bacterial Diseases : A-12 ; Melanin-like pigment production in Ralstonia solanacearum is under elaborate regulation

Ralstonia solanacarum a plant pathogen which causes lethal wilt disease in members of solanceaous plant family. The pathogen can survive in soil for a long time under stress condition. In a stationary phase, we recognized that R. solanacearum GMI1000 wild type strain produced brown pigment in broth culture. The brown pigmentation was much faster in the liquid medium supplemented with tyrosine which is a melanin pigment precursor. To iden-tify...