本试验采用流式细胞仪,对3个基因型8个继代周期的苜蓿愈伤组织DNA含量进行测定。通过DPAC软件(data pool application of cytometre)分析出细胞DNA含量变异百分率和处于S期细胞的百分率,并采用SPSS 10.0软件分析出愈伤组织继代时间与DN...本试验采用流式细胞仪,对3个基因型8个继代周期的苜蓿愈伤组织DNA含量进行测定。通过DPAC软件(data pool application of cytometre)分析出细胞DNA含量变异百分率和处于S期细胞的百分率,并采用SPSS 10.0软件分析出愈伤组织继代时间与DNA含量变异率之间的关系。结果表明,本试验所采用的3个基因型8个继代周期24个紫花苜蓿愈伤组织样本DNA含量均发生了变化,且全都出现了DNA加倍的现象。在24个样本中,DNA含量变异率最大的是自选系大叶0510的愈伤组织继代15周时的样本,变异率达到了19.45%。通过SPSS10.0软件分析,表明紫花苜蓿愈伤组织DNA含量变异细胞百分率与继代时间存在相关性,随着继代时间的延长,染色体变异率有增加的趋势,但这种趋势不是无限增大的。继代0～12周是愈伤组织DNA含量变异的集中发生期,以后随着继代次数的增加,DNA含量变异率趋向于稳定。展开更多
Effects of four culture media including MS, N6, C17 and K on wheat anther callus induction in vitro culture were studied. The results showed that the callus in- duction rate of four kinds of culture medium was in the ...Effects of four culture media including MS, N6, C17 and K on wheat anther callus induction in vitro culture were studied. The results showed that the callus in- duction rate of four kinds of culture medium was in the order of K〉C17〉N6〉MS.展开更多
文摘本试验采用流式细胞仪,对3个基因型8个继代周期的苜蓿愈伤组织DNA含量进行测定。通过DPAC软件(data pool application of cytometre)分析出细胞DNA含量变异百分率和处于S期细胞的百分率,并采用SPSS 10.0软件分析出愈伤组织继代时间与DNA含量变异率之间的关系。结果表明,本试验所采用的3个基因型8个继代周期24个紫花苜蓿愈伤组织样本DNA含量均发生了变化,且全都出现了DNA加倍的现象。在24个样本中,DNA含量变异率最大的是自选系大叶0510的愈伤组织继代15周时的样本,变异率达到了19.45%。通过SPSS10.0软件分析,表明紫花苜蓿愈伤组织DNA含量变异细胞百分率与继代时间存在相关性,随着继代时间的延长,染色体变异率有增加的趋势,但这种趋势不是无限增大的。继代0～12周是愈伤组织DNA含量变异的集中发生期,以后随着继代次数的增加,DNA含量变异率趋向于稳定。
基金Supported by the National Natural Science Foundation of China(31071413)the Key Scientific and Technological Project of Henan Province(122102110189)+2 种基金the Natural Science Foundation of Henan Province(2011B210002)the Project for the Youth of Henan Institute of Education(20090103)the Key Research Project of Institution of Higher Education(15A210020)~~
文摘Effects of four culture media including MS, N6, C17 and K on wheat anther callus induction in vitro culture were studied. The results showed that the callus in- duction rate of four kinds of culture medium was in the order of K〉C17〉N6〉MS.
