厚垣孢普可尼亚菌PC7菌株液态发酵条件的筛选

Journal of Northeast Forestry University(2022)

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Abstract
为优化厚垣孢普可尼亚菌(Pochonia chlamydosporia)菌株PC7的液态发酵条件,研究不同发酵条件下厚垣孢普可尼亚菌PC7的产孢量与菌丝生物量,分析培养温度、初始pH、供氧量、接菌量对于PC7菌株液态发酵的影响.结果表明:PC7菌株培养液在培养温度为26℃、初始pH值为8、500 mL三角瓶装瓶量200 mL时,以0.5 mL为初始接菌量,产孢量在培养5~7 d时达到最大,是最适产孢条件.以菌丝生产为目标,进行液体发酵生产时,温度24℃、初始pH值为8、500 mL三角瓶装瓶量150 mL时,以1.0 mL为初始接菌量,菌丝干质量在培养5 d时达到最大,有利于提高菌丝产量,是最适培养条件.
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