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Zeng, Wen Long
- Transcriptomic Analysis of Chilling-treated Tobacco (Nicotiana tabacum) Leaves Reveals Chilling-Induced Lignin Biosynthetic Pathways
Abstract Views :223 |
PDF Views:76
Authors
PeiLu Zhou
1,
QiYao Li
1,
Guang Liang Liu
1,
Na Xu
1,
Yin Ju Yang
1,
Yi Wang
1,
Wen Long Zeng
2,
Shu Sheng Wang
1,
Ai Guo Chen
1
Affiliations
1 Key Laboratory of Tobacco Biology and Processing, Ministry of Agriculture, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao 266101, CN
2 Longyan Tobacco Agricultural Science Institute, Longyan, Fujian 364000,, CN
1 Key Laboratory of Tobacco Biology and Processing, Ministry of Agriculture, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao 266101, CN
2 Longyan Tobacco Agricultural Science Institute, Longyan, Fujian 364000,, CN
Source
Current Science, Vol 117, No 11 (2019), Pagination: 1885-1892Abstract
Chilling stress is one of the most important environ-mental stresses for chilling-sensitive species. The pre-sent study conducted RNA-Seq and WGCNA analysis to clarify the correlation patterns among genes of dif-ferent treatments in tobacco (Nicotiana tabacum). A total of 10,355 DEGs were found in chilling treatment relative to control treatment. Additionally, functional annotations revealed that 48 genes were found to be specifically expressed in lignin biosynthesis pathway in tobacco seedlings under chilling stress. Our results revealed that the biosynthesis of caffeoyl-CoA was regulated by HCT and C3H. Furthermore, the G-type lignin biosynthesis branch was enhanced under low temperature, which contributed to an increase in lig-nin content and changes in lignin composition, indi-cating that G-type lignin may play an important role in tobacco’s resistance to chilling stress.Keywords
Chilling Stress, Lignin Biosynthesis, Nicotiana Tabacum, Transcriptomic, WGCNA.Full Text
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