Phytohormones Accumulation and Distribution in Shoots and Roots of Haploid, Diploid and Tetraploid Barley Seedlings Derived from Microspore Culture
文献类型： 外文期刊
作者： Zhou, Longhua 1 ; He, Ting 1 ; Li, Jing 1 ; Guo, Guimei 1 ; Li, Yingbo 1 ; Xu, Hongwei 1 ; Gao, Runhong 1 ; Huang, Linli 1 ; Wang, Yifei 1 ; Lu, Ruiju 1 ; Chen, Zhiwei 1 ; Liu, Chenghong 1 ;
作者机构： 1.Shanghai Acad Agr Sci, Biotech Res Inst, Shanghai 200000, Peoples R China
2.Biotechnol Res Inst, Shanghai Key Lab Agr Genet & Breeding, Shanghai 200000, Peoples R China
3.Shanghai Baixin Biotechnol Co Ltd, Shanghai 200000, Peoples R China
关键词： Barley; polyploidy; microspore culture; phytohormone; shoot; root
期刊名称：PHYTON-INTERNATIONAL JOURNAL OF EXPERIMENTAL BOTANY （ 影响因子：1.407； 五年影响因子：0.996 ）
ISSN： 0031-9457
年卷期： 2022 年 91 卷 7 期
页码：
收录情况： SCI
摘要： Phytohormones play important roles in plant growth and development, and polyploids are thought to be an important method for plant breeding. However, the relationship between ploidy and phytohormone is still unclear. In this study, barley at three ploidy levels were produced by microspore culture. Therefore, we further analyzed the phytohormone content in the shoots and roots of the three kinds of barley materials to study the effect of ploidy on phytohormones accumulation and distribution. The results showed that Abscisic acid (ABA), gibberellin (GA), jasmonic acid (JA), auxin (IAA), salicylic acid (SA) and cytokinin (CTK) were successfully determined in shoots and roots using LC-MS (liquid chromatography mass spectrometry). By comparing the shoots of the haploid and diploid plants, it was found that the distribution trend of the six phytohormones was consistent, and another consistent trend was found in the roots of the diploid and tetraploid plants. In addition, we further analyzed the shoot/root ratio of the different phytohormones to identify the potential differences for haploid, diploid and tetraploid. Here, the relationship between ploidy and phytohormone we provided would provide new insights into understanding the new phenotypes that occur in polyploid species.
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