Characterization of the Mutants of Alternaria alternata Japanese Pear Pathotype Deficient in Melanin Production and Their Pathogenicity

@inproceedings{Tanabe1995CharacterizationOT,
  title={Characterization of the Mutants of Alternaria alternata Japanese Pear Pathotype Deficient in Melanin Production and Their Pathogenicity},
  author={Kentaro Tanabe and Pyoyun Park and Takashi Ise Tsuge and Keisuke Kohmoto and Syoyo Nishimura},
  year={1995}
}
Alternaria alternata (Fr.) Keissler is known to produce a dark gray pigment, melanin, from acetate via 1, 8-dihydroxynaphthalene (DHN). We isolated three phenotypic classes of color mutants from A. alternata Japanese pear pathotype by treatment of the spores with N-methyl-N'-nitro-N-nitrosoguanidine. These mutants, AKT88-1 (Alm-), AKT88-2 (Brm1-) and AKT88-3 (Brm2-), formed albino, light-brown and brown mycelia, respectively, on potato-dextrose agar plates, whereas the parent strain formed… CONTINUE READING

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