Transcriptome analysis of the variations between autotetraploid Paulownia tomentosa and its diploid using high-throughput sequencing

被引:0
作者
Guoqiang Fan
Limin Wang
Minjie Deng
Suyan Niu
Zhenli Zhao
Enkai Xu
Xibin Cao
Xiaoshen Zhang
机构
[1] Henan Agricultural University,Institute of Paulownia
[2] Henan Agricultural University,Department of Forestry
来源
Molecular Genetics and Genomics | 2015年 / 290卷
关键词
Autotetraploid; Transcriptome; High-throughput sequencing; Whole-genome duplication;
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学科分类号
摘要
Timber properties of autotetraploid Paulownia tomentosa are heritable with whole genome duplication, but the molecular mechanisms for the predominant characteristics remain unclear. To illuminate the genetic basis, high-throughput sequencing technology was used to identify the related unigenes. 2677 unigenes were found to be significantly differentially expressed in autotetraploid P. tomentosa. In total, 30 photosynthesis-related, 21 transcription factor-related, and 22 lignin-related differentially expressed unigenes were detected, and the roles of the peroxidase in lignin biosynthesis, MYB DNA-binding proteins, and WRKY proteins associated with the regulation of relevant hormones are extensively discussed. The results provide transcriptome data that may bring a new perspective to explain the polyploidy mechanism in the long growth cycle of plants and offer some help to the future Paulownia breeding.
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页码:1627 / 1638
页数:11
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