High sequence variations in the region containing genes encoding a cellular morphogenesis protein and the repressor of sexual development help to reveal origins of Aspergillus oryzae.

@article{Chang2015HighSV,
  title={High sequence variations in the region containing genes encoding a cellular morphogenesis protein and the repressor of sexual development help to reveal origins of Aspergillus oryzae.},
  author={P M Chang and Leslie L. Scharfenstein and Cesar D. Solorzano and Hamed K Abbas and Sui-Sheng T. Hua and Walker A. Jones and Robert M. Zablotowicz},
  journal={International journal of food microbiology},
  year={2015},
  volume={200},
  pages={66-71}
}
Aspergillus oryzae and Aspergillus flavus are closely related fungal species. The A. flavus morphotype that produces numerous small sclerotia (S strain) and aflatoxin has a unique 1.5 kb deletion in the norB-cypA region of the aflatoxin gene cluster (i.e. the S genotype). Phylogenetic studies have indicated that an isolate of the nonaflatoxigenic A. flavus with the S genotype is the ancestor of A. oryzae. Genome sequence comparison between A. flavus NRRL3357, which produces large sclerotia (L… CONTINUE READING

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