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Official Journal of the Japan Wood Research Society

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Screening of heterozygous DNA markers in shiitake (Lentinula edodes) using de-dikaryotization via preparation of protoplasts and isolation of four meiotic monokaryons from one basidium

Journal of Wood Science volume 46, pages395–400(2000)Cite this article

Abstract

A suitable screening method for heterozygous DNA markers in shiitake,Lentinula edodes (Berk.) Pegler, is reported. Monokaryons were derived from a dikaryon by de-dikaryotization via protoplast formation. Compatibility of the monokaryons was determined by pairwise culture on agar plates. We selected the primers to amplify polymorphic fragments among the original strain (Hokken600∶H600) and two monokaryons (H600PP-39 and H600PP-67) showing compatibility. A total of 135 fragments were selected as specific random amplified polymorphic DNAs (RAPDs) resulting from 56 primers of the 147 primers tested. Furthermore, we tested whether the polymorphic fragments segregated into 2∶2 among four strains isolated from a basidium. Most of the polymorphic fragments (about 97.8%) showed 2∶2 segregation among the four strains. We concluded that the polymorphic fragments were heterozygous if they were detected in either of the monokaryons (H600PP-39 and H600PP-67) and segregated to 2∶2 among four meiotic strains (H600B-1,-2, -3, and -4). A total of 132 heterozygous DNA markers were therefore selected from a dikaryon of shiitake (Hokken600∶H600).

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Author information

Affiliations

  1. Kyushu Research Center, Forestry and Forest Products Research Institute, 860-0862, Kumamoto, Japan
    • Kazuhiro Miyazaki
  2. Faculty of Agriculture, Kyushu University, 812-8581, Fukuoka, Japan
    • Hajime Maeda
    •  & Susumu Shiraishi
  3. Forestry and Forest Products Research Institute, Kukisaki, 305-8687, Ibaraki, Japan
    • Masahide Sunagawa
  4. Faculty of Agriculture, Hokkaido University, Sapporo, 060-8589, Hokkaido, Japan
    • Yutaka Tamai
Authors
  1. Kazuhiro Miyazaki
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  2. Hajime Maeda
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  3. Masahide Sunagawa
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  4. Yutaka Tamai
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  5. Susumu Shiraishi
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Correspondence to Kazuhiro Miyazaki.

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Miyazaki, K., Maeda, H., Sunagawa, M. et al. Screening of heterozygous DNA markers in shiitake (Lentinula edodes) using de-dikaryotization via preparation of protoplasts and isolation of four meiotic monokaryons from one basidium. J Wood Sci 46, 395–400 (2000). https://doi.org/10.1007/BF00776403

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Key words

  • Lentinula edodes
  • Heterozygous DNA marker
  • RAPD
  • de-dikaryotization
  • Protoplast