The paper investigates the influence of ultraviolet ray and nitrous acid on suspension of single cell hyphal body from flammulia velutipes.

• 通过对金针菇菌丝进行机械破碎,再经棉柱过滤后,获得了菌丝断片单细胞悬液,利用紫外线及亚硝酸对其诱变。