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| Content Provider | Springer Nature Link |
|---|---|
| Author | Yan, Lijun Fan, Guoqiang Deng, Minjie Zhao, Zhenli Dong, Yanpeng Li, Yongsheng |
| Copyright Year | 2017 |
| Abstract | To enlarge the germplasm resource of Paulownia plants, we used colchicine to induce autotetraploid Paulownia tomentosa, as reported previously. Compared with its diploid progenitor, autotetraploid P. tomentosa exhibits better photosynthetic characteristics and higher stress resistance. However, the underlying mechanism for its predominant characteristics has not been determined at the proteome level. In this study, isobaric tag for relative and absolute quantitation coupled with liquid chromatography-tandem mass spectrometry was employed to compare proteomic changes between autotetraploid and diploid P. tomentosa. A total of 1427 proteins were identified in our study, of which 130 proteins were differentially expressed between autotetraploid and diploid P. tomentosa. Functional analysis of differentially expressed proteins revealed that photosynthesis-related proteins and stress-responsive proteins were significantly enriched among the differentially expressed proteins, suggesting they may be responsible for the photosynthetic characteristics and stress adaptability of autotetraploid P. tomentosa. The correlation analysis between transcriptome and proteome data revealed that only 15 (11.5%) of the differentially expressed proteins had corresponding differentially expressed unigenes between diploid and autotetraploid P. tomentosa. These results indicated that there was a limited correlation between the differentially expressed proteins and the previously reported differentially expressed unigenes. This work provides new clues to better understand the superior traits in autotetraploid P. tomentosa and lays a theoretical foundation for developing Paulownia breeding strategies in the future. |
| Starting Page | 605 |
| Ending Page | 617 |
| Page Count | 13 |
| File Format | |
| ISSN | 09715894 |
| Journal | Physiology and Molecular Biology of Plants |
| Volume Number | 23 |
| Issue Number | 3 |
| e-ISSN | 09740430 |
| Language | English |
| Publisher | Springer India |
| Publisher Date | 2017-05-19 |
| Publisher Place | New Delhi |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Paulownia tomentosa Autotetraploid Superior traits Proteomics iTRAQ Plant Sciences Plant Physiology Biological and Medical Physics, Biophysics Cell Biology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physiology Plant Science Molecular Biology |
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