产苦马豆素疯草内生真菌Alternaria Section Undifilum oxytropis的诱变筛选

郝宝成,宋向东,高艳,王学红,刘宇,李元曦,梁妍,陈柯源,胡毓瑶,邢小勇,胡永浩,梁剑平

Mutagenesis and Screening of Endophytic Fungus Alternaria Section Undifilum oxytropis Producing Swainsonine from Locoweed

BaoCheng HAO,XiangDong SONG,Yan GAO,XueHong WANG,Yu LIU,YuanXi LI,Yan LIANG,KeYuan CHEN,YuYao HU,XiaoYong XING,YongHao HU,JianPing LIANG

表4 突变菌株产SW含量

Table 4 The swainsonine content of swainsonine-producing mutants by nitrosoguanidine mutagenesis

组别 Group 吸光值 Absorbance ($\bar{x}$±s) SW含量 SW content (μg·mL-1) SW含量变化 Change of SW content（%） Alternaria Section Undifilum oxytropis 0.5916±0.0353 2.7890±0.1870 - D1 0.5714±0.0029 2.8597±0.0082 +2.53% D2 0.5213±0.0088 3.1364±0.0385 +12.46%** D3 0.5876±0.0413 2.7662±0.2250 -1.18% D4 0.7031±0.0033 2.1314±0.0180 -23.58%** D5 0.5634±0.0029 2.9038±0.0180 +4.11% D6 0.5811±0.0085 2.8062±0.0473 +0.61%