文献类型： 外文期刊
作者： Du, Kang 1 ; Liao, Ting 2 ; Ren, Yongyu 1 ; Geng, Xining 1 ; Kang, Xiangyang 1 ;
作者机构： 1.Beijing Forestry Univ, Beijing Adv Innovat Ctr Breeding Mol Design, 35 Qinghua East Rd, Beijing 100083, Peoples R China
2.Beijing Acad Forestry & Pomol Sci, 12 Rui Wang Fen, Beijing 100093, Peoples R China
3.Beijing Forestry Univ, Minist Educ, Key Lab Genet & Breeding Forest Trees & Ornamenta, 35 Qinghua East Rd, Beijing 100083, Peoples R China
4.Beijing Forestry Univ, Coll Biol Sci & Technol, Natl Engn Lab Tree Breeding, 35 Qinghua East Rd, Beijing 100083, Peoples R China
关键词： allotriploid; vegetative growth advantage; regulatory mechanism; dosage effect
期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：5.923； 五年影响因子：6.132 ）
ISSN：
年卷期： 2020 年 21 卷 2 期
页码：
收录情况： SCI
摘要： Allotriploid poplar has a prominent vegetative growth advantage that impacts dramatically on lumber yield. The growth regulation is complex which involves abundant genes, metabolic and signaling pathways, while the information about the functional control process is very little. We used high-throughput sequencing and physiological index measurement to obtain a global overview of differences between allotriploid and diploid Populus. The genes related to plant growth advantage show a higher expression compared to diploid, and most of them are revolved around hormones, photosynthesis and product accumulation. Thus, allotriploid Populus showed more efficient photosynthesis, carbon fixation, sucrose and starch synthesis, and metabolism as well as augmented biosynthesis of auxin, cytokinin, and gibberellin. These data enable the connection of metabolic processes, signaling pathways, and specific gene activity, which will underpin the development of network models to elucidate the process of triploid Populus advantage growth.
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