Several mutants of Phaffia rhodozyma were obtained by exerting mutagen N-methyl-N-nitro-N-nitrosoguanidine.
天然菌株虾青素产量较
，缺
价值。
Several mutants of Phaffia rhodozyma were obtained by exerting mutagen N-methyl-N-nitro-N-nitrosoguanidine.
天然菌株虾青素产量较，缺价值。
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，
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