摘要
用不同剂量６０Ｃｏ－γ射线辐照蜜环菌表明，低剂量（１０～８０Ｇｙ）处理能提高菌丝体内超氧化物歧化酶（ＳＯＤ）活性３．９０％～２９．４０％，降低丙二醛（ＭＤＡ）含量５．００％～２６．３０％，有刺激生长、延缓衰老的效应。高剂量（８０Ｇｙ以上）处理则降低ＳＯＤ酶活性２９．４０％～７０．６０％，提高ＭＤＡ含量１１．７０％～１３５．４０％，过氧化物酶（ＰＯＤ）活性提高２３．１０％～１５３４．６０％，显示抑制生长、促进衰老的效应。
The mycelia of Armillaria mellea (Vahl. ex Fr.) Quel were irradiated with 60 Co γ rays at different doses. Lower dose (10～80 Gy) irradiation increased SOD activity by 3.90%～29.40% and decreased MDA content by 5.00%～26.30%, thus stimulating the growth and delaying the senescence of the mycelia, while higher doses (>80 Gy) reduced SOD activity by 29.40%～70.60%, raised MDA content by 11.70%～135.40% and increased POD activity by 23.10%～1534.60%, therefore inhibiting the growth of the mycelia and accelerating their senescence.
出处
《西南农业大学学报（自然科学版）》
CSCD
1998年第1期19-23,共5页
Journal of Southwest Agricultural University
关键词
蜜环菌
生长
酶活性
CO60
Γ射线
Armillaria mellea
grouth
enzymes
activity
/ 60 Co γ ray
