IB-CAS  > 中科院北方资源植物重点实验室
Time-series transcriptome provides insights into the gene regulation network involved in the volatile terpenoid metabolism during the flower development of lavender
Li, Hui1,3; Li, Jingrui1,2; Dong, Yanmei1,2; Hao, Haiping1; Ling, Zhengyi1,2; Bai, Hongtong1; Wang, Huafang3; Cui, Hongxia1; Shi, Lei1
2019
发表期刊BMC PLANT BIOLOGY
ISSN1471-2229
卷号19
摘要BackgroundEssential oils (EOs) of Lavandula angustifolia, mainly consist of monoterpenoids and sesquiterpenoids, are of great commercial value. The multi-flower spiciform thyrse of lavender not only determines the output of EOs but also reflects an environmental adaption strategy. With the flower development and blossom in turn, the fluctuation of the volatile terpenoids displayed a regular change at each axis. However, the molecular mechanism underlying the regulation of volatile terpenoids during the process of flowering is poorly understood in lavender. Here, we combine metabolite and RNA-Seq analyses of flowers of five developmental stages at first- and second-axis (FFDSFSA) and initial flower bud (FB0) to discover the active terpenoid biosynthesis as well as flowering-related genes.ResultsA total of 56 mono- and sesquiterpenoids were identified in the EOs of L. angustifolia JX-2'. FB0' EO consists of 55 compounds and the two highest compounds, beta-trans-ocimene (20.57%) and (+)-R-limonene (17.00%), can get rid of 74.71 and 78.41% aphids in Y-tube olfactometer experiments, respectively. With sequential and successive blossoms, temporally regulated volatiles were linked to pollinator attraction in field and olfaction bioassays. In three characteristic compounds of FFDSFSA' EOs, linalyl acetate (72.73%) and lavandulyl acetate (72.09%) attracted more bees than linalool (45.35%). Many transcripts related to flowering time and volatile terpenoid metabolism expressed differently during the flower development. Similar metabolic and transcriptomic profiles were observed when florets from the two axes were maintained at the same maturity grade. Besides both compounds and differentially expressed genes were rich in FB0, most volatile compounds were significantly correlated with FB0-specific gene module. Most key regulators related to flowering and terpenoid metabolism were interconnected in the subnetwork of FB0-specific module, suggesting the cross-talk between the two biological processes to some degree.ConclusionsCharacteristic compounds and gene expression profile of FB0 exhibit ecological value in pest control. The precise control of each-axis flowering and regular emissions at transcriptional and metabolic level are important to pollinators attraction for lavender. Our study sheds new light on lavender maximizes its fitness from gene-volatile terpenoid-insect three layers.
关键词Lavandula angustifolia JX-2' Pollinator Herbivore Volatile terpenoids Flowering Network analysis
学科领域Plant Sciences
DOI10.1186/s12870-019-1908-6
收录类别SCI
语种英语
WOS关键词INDUCED PLANT VOLATILES ; BIOSYNTHESIS ; DEFENSE ; LINALOOL ; CLONING
WOS研究方向Plant Sciences
WOS记录号WOS:000475743400005
出版者BMC
文献子类Article
出版地LONDON
资助机构Strategic Priority Research Program of the Chinese Academy of SciencesChinese Academy of Sciences [XDA23080603] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31701956, 31370361]
作者邮箱lihuibjfu@126.com ; hfwang@bjfu.edu.cn ; cuihongxia@ibcas.ac.cn ; shilei_67@126.com
作品OA属性Green Published, gold
引用统计
被引频次:27[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ibcas.ac.cn/handle/2S10CLM1/19705
专题中科院北方资源植物重点实验室
作者单位1.Chinese Acad Sci, Inst Bot, Key Lab Plant Resources, Beijing 100093, Peoples R China
2.Chinese Acad Sci, Inst Bot, Beijing Bot Garden, Beijing 100093, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Beijing Forestry Univ, Natl Engn Lab Tree Breeding, Coll Biol Sci & Biotechnol, Beijing 100083, Peoples R China
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Li, Hui,Li, Jingrui,Dong, Yanmei,et al. Time-series transcriptome provides insights into the gene regulation network involved in the volatile terpenoid metabolism during the flower development of lavender[J]. BMC PLANT BIOLOGY,2019,19.
APA Li, Hui.,Li, Jingrui.,Dong, Yanmei.,Hao, Haiping.,Ling, Zhengyi.,...&Shi, Lei.(2019).Time-series transcriptome provides insights into the gene regulation network involved in the volatile terpenoid metabolism during the flower development of lavender.BMC PLANT BIOLOGY,19.
MLA Li, Hui,et al."Time-series transcriptome provides insights into the gene regulation network involved in the volatile terpenoid metabolism during the flower development of lavender".BMC PLANT BIOLOGY 19(2019).
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