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Selection of parental monokaryons from Korean Hypsizigus marmoreus by protoplast regeneration
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  • Journal title : Journal of Mushroom
  • Volume 13, Issue 3,  2015, pp.270-273
  • Publisher : The Korean Society Of Mushroom Science
  • DOI : 10.14480/JM.2015.13.3.270
 Title & Authors
Selection of parental monokaryons from Korean Hypsizigus marmoreus by protoplast regeneration
Oh, Youn-Lee; Kong, Won-Sik; Jang, Kab-Yeul; Shin, Pyung-Gyun; Kim, Eun-Sun; Oh, Min ji; Choi, In-Geol;
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Hypsizigus marmoreus is commercially the most important edible mushroom in Japan. This mushroom is usually cultivated for a longer period (about 85~120 days) than other mushroom. In order to develop a new cultivar that has a shortened cultivation period, the genome analysis of this strain has been considered. This study aims to obtain parental monokaryotic strains reproducing `Haemi` cultivar in Hypsizigus marmoreus for reference genome sequencing. The mycelia were cultured in MCM and MYG media for various incubation periods. Homogenized mycelia were treated with commercial cell wall degrading enzymes to maximize protoplasts production yield from Hypsizigus marmoreus. The greatest number of protoplasts was obtained from mycelia cultured in MCM media for 3 days using Novozyme enzyme. The isolated protoplasts were grown in regeneration agar media after two weeks. Regenerated colonies were picked and moved on separated dishes for microscopic observation. Neohaplonts regenerated from dikayotic strains were identified by the absence of clamp connections. We confirmed that one of monokaryotic strains is a parental strain by crossing with an original compatible strain of `Haemi` cultivar. This parental strain will be used for reference genome sequence analysis.
Hypsigus marmoreus;Parental monokaryons;Protoplast isolation and regeneration;
 Cited by
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