A simple method for enrichment of uninucleate conidia of Aspergillus oryzae |
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Authors: | Hara Seiichi Tsuji Ryohei F Hatamoto Osamu Masuda Tsutomu |
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Institution: | Noda Institute for Scientific Research, Noda-shi, Chiba, Japan. shara@mail.kikkoman.co.jp |
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Abstract: | Aspergillus oryzae produces multinucleate conidia, which makes the obtaining of homokaryons labor-intensive. Analysis of conidia by flow cytometry clarified the relationship that conidia of lower nuclear number were smaller in size. Based on this, we have developed a simple way to enrich uninucleate conidia with a membrane filter. Our results also suggest that the method is useful for elimination of heterokaryons. |
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