基于操纵的活动,使用弹珠来演示桑格序列的测序
Kylie Light1, Jordan Brooks1, Yun-Seok Choi1
1School of Natural Sciences, Black Hills State University, Spearfish, South Dakota 57799, United States.
Journal of chemical education
|August 14, 2023
概括
一项新的动手活动使用弹珠来教授桑格测序,一种DNA测序方法. 这种动感方法在视觉上展示了链条的终结和碎片的分离,以便学生更好地理解.
科学领域:
- 生物化学 生物化学
- 分子生物学分子生物学
- 遗传学教育教育 遗传学教育
背景情况:
- 桑格测序 (解氧测序) 是一种基本的DNA测序技术.
- 它依赖于连锁终结反应,凝电泳和光检测.
- 当前的教育方法缺乏实际的Sanger测序活动,以培养技能.
研究的目的:
- 开发一种基于操纵的活动来教授桑格序列.
- 为学生提供一种动感和视觉学习工具.
- 为了说明DNA测序中的链终结,产品分离和光检测.
主要方法:
- 开发了一个Sanger测序活动,使用彩色的弹珠.
- 弹珠代表了脱氧核酸和二氧核酸.
- 活动模拟通过链终结生成DNA片段.
主要成果:
- 弹珠活动在视觉上展示了DNA碎片的产生.
- 它有效地模拟了链条终结和产品分离.
- 动感方法提高了学生对桑格测序原理的理解.
结论:
- 基于操纵的活动提供了高影响力的视觉学习体验.
- 它成功地复制了桑格测序过程的关键步骤.
- 这种方法也可以适应教导基于聚合酶链反应 (PCR) 的技术.
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