《低溫誘導解除維管形成層生理休眠的分子機理研究》是賀新強為項目負責人,北京大學為依託單位的面上項目。
基本介紹
- 中文名:低溫誘導解除維管形成層生理休眠的分子機理研究
- 項目類別 :面上項目
- 依託單位 :北京大學
- 項目負責人:賀新強
科研成果 ,項目摘要,
科研成果
序號 | 標題 | 類型 |
---|---|---|
1 | Polycomb group proteins are involved in regulation of plant secondary vascular tissue development. | 會議論文 |
2 | Caspase-like Protease Activity is Involved in Secondary Xylem Development in Populus tomentosa | 會議論文 |
3 | Virus-induced gene silencing in Nicotiana benthamiana is a potential tool for revealing epigenetic regulation in plant vascular development. | 會議論文 |
4 | Bark regeneration after girdling in trees as an approach to investigate the molecular mechanisms of the secondary vascular development. | 會議論文 |
5 | Induction of PtoCDKB and PtoCYCB transcription by temperature during cambium reactivation in Populus tomentosa Carr. | 期刊論文 |
6 | Induction of PtoCDKB and PtoCYCB transcription by temperature during cambium reactivation in Populus tomentosa | 會議論文 |
7 | Molecular analysis of poplar cambium dormancy break using plant miRNAs microarrays. | 會議論文 |
8 | Hydrolysis of IAA conjugates is involved in the cambium reactivation in Populus tomentosa Carr. | 會議論文 |
9 | Phloem transdifferentiation from immature xylem cells during bark regeneration after girdling in trees. | 會議論文 |
10 | Regulation of cell cycle regulators by environmental signals during growth-dormancy cycle of trees. | 期刊論文 |
11 | Molecular features of secondary vascular tissue regeneration after bark girdling in Populus. | 期刊論文 |
12 | Modifications of the cambial cell wall architecture during cambium periodicity in Populus tomentosa Carr. | 期刊論文 |
項目摘要
本項目將以毛白楊為材料,套用解剖學、細胞學、分子生物學和生物信息學等多學科的研究方法,利用穩定的研究形成層活動周期的室內培養實驗體系,研究經過低溫處理處於不同休眠階段的形成層區域細胞的基因表達,以及ABA、乙烯等激素對這些基因表達模式的影響,並通過生物信息學方法,研究不同休眠階段轉換過程中低溫感受途徑、激素合成與信號轉導途徑、生物節律調節途徑間的相互聯繫,揭示形成層生理休眠期與被動休眠期的生理基礎、外界環境信號誘導不同階段休眠期相互轉化的機制,尤其是低溫誘導解除維管形成層生理休眠的分子機理,為通過調控形成層活動周期提高木材產量和品質的生物技術途徑提供理論指導.