在实验室中诱导四化及其对Populus hopeiensis表型变异的影响
Jian Wu1,2,3,4, Qing Zhou2,3,4, Yaru Sang2,3,4
1Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, Ministry of Education, Southwest Forestry University, Kunming, 650224, China.
BMC plant biology
|November 14, 2023
概括
在Populus hopeiensis中使用叶片的菌素治疗诱导了四化. 这种方法有效地改变了植物特征,包括口腔大小和叶子形态,为树木品种发展提供了新的途径.
科学领域:
- 植物生物技术 植物生物技术
- 聚化症诱导的诱导方法
- 森林遗传学 森林遗传学
背景情况:
- 人工多重积分是改善Populus属性和开发新品种的关键.
- 这项研究旨在证实和扩大先前关于Populus hopeiensis. polyploidy诱导的发现.
研究的目的:
- 建立一个高效的体外协议来诱导使用菌素在Populus hopeiensis中的四化.
- 评估全基因组重复对口腔特征,叶子大小和生长速度的影响.
主要方法:
- 在实验室中从三种双胞胎Populus hopeiensis基因型的叶片中再生.
- 使用不同度和暴露时间的科尔奇辛治疗.
- 流细胞计和体染色体计数用于四体的识别.
- 评估口腔特征,叶片大小和生长速度.
主要成果:
- 通过7天的预培养和4天的40毫克/升胆固醇治疗,实现了最佳的四化诱导.
- 四体诱导率因基因型而异 (BT1 的21.2%,BT3 的11.4%,BT8 的16.7%).
- 与二倍体相比,四倍体表现出明显不同的口腔特征,更大的叶片和更慢的生长速度.
结论:
- 在Populus hopeiensis叶片中建立了一个有效的实验室协议,用于菌素诱导的四化.
- 该协议适用于Populus hopeiensis. 的不同基因型.
- 全基因组重复显著改变了Populus hopeiensis.的形态特征.
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