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KMID : 1160220030310040214
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Mycobiology
2003 Volume.31 No. 4 p.214 ~ p.220
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The Optimal Culture Conditions Affecting the Mycelial Growth and Formation of Paecilomyces fumosoroseus
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Shim Sung-Mi
Lee Kyung-Rim
Kim Seong-Hwan
Im Kyung-Hoan
Kim Jung-Wan
Lee U-Youn
Shim Jae-Ouk
Lee Min-Woong
Lee Tae-Soo
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Abstract
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The fruiting body of Paecilomyces fumosoroseus was collected at Mt. Mani, Ganghwa Island, Korea in September, 2001. This study was carried out to obtain the basic informations for the mycelial growth and fruiting body production of P. fumosoroseus in artificial media. The optimal conditions for the mycelial growth were obtained at 25oC and in the range of pH 6~9, respectively. P. fumosoroseus showed the favorable growth on Hamada medium. The carbon and nitrogen source favorable for mycelial growth were dextrin and histidine, respectively. Optimum C/N ratio suitable for optimal growth of P. fumosoroseus was observed on the culture media adjusted to the ratio of 40:1. The mycelial growth of P. fumosoroseus was optimal on corn meal agar supplemented with 30% of silkworm pupae. The most favorable fruiting body formation of P. fumosoroseus was obtained in the medium containing unpolished rice supplemented with 20% (w/w) silk worm pupae at 25oC under 100 lux.
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KEYWORD
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Cultural conditions, Fruting body, Mycelial growth, Paecilomyces fumosoroseus
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