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基于RNA测序分析乙烯信号对草莓果实蔗糖代谢的调控

Analysis of Ethylene Signal Regulating Sucrose Metabolism in Strawberry Fruits Based on RNA-seq.

作者信息

Yu Jian-Qiang, Li Zhao-Ting, Chen Shen, Gao Hong-Sheng, Sheng Li-Xia

机构信息

College of Horticulture and Landscape Architecture, Yangzhou University, Yangzhou 225009, China.

出版信息

Plants (Basel). 2024 Apr 17;13(8):1121. doi: 10.3390/plants13081121.

DOI:10.3390/plants13081121
PMID:38674530
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11054676/
Abstract

Ethylene is a key hormone that regulates the maturation and quality formation of horticultural crops, but its effects on non-respiratory climacteric fruits such as strawberries are not yet clear. In this study, strawberry fruits were treated with exogenous ethephon (ETH) and 1-methylcyclopropene (1-MCP). It was found that ETH treatment increased the soluble solids and anthocyanin content of the fruits, reduced hardness, and decreased organic acid content, while 1-MCP treatment inhibited these processes. Transcriptome analysis revealed that differentially expressed genes (DEGs) were enriched in the starch-sucrose metabolism pathway. qRT-PCR results further showed significant changes in the expression levels of sucrose metabolism genes, confirming the influence of ethylene signals on soluble sugar accumulation during strawberry fruit development. This study elucidates the quality changes and molecular mechanisms of ethylene signal in the development of strawberry fruits, providing some key targets and theoretical support for guiding strawberry cultivation and variety improvement.

摘要

乙烯是调节园艺作物成熟和品质形成的关键激素，但其对草莓等非呼吸跃变型果实的影响尚不清楚。在本研究中，对草莓果实进行了外源乙烯利（ETH）和1-甲基环丙烯（1-MCP）处理。结果发现，ETH处理增加了果实的可溶性固形物和花青素含量，降低了硬度，减少了有机酸含量，而1-MCP处理则抑制了这些过程。转录组分析表明，差异表达基因（DEG）在淀粉-蔗糖代谢途径中富集。qRT-PCR结果进一步显示蔗糖代谢基因表达水平发生显著变化，证实了乙烯信号对草莓果实发育过程中可溶性糖积累的影响。本研究阐明了草莓果实发育过程中乙烯信号的品质变化和分子机制，为指导草莓栽培和品种改良提供了一些关键靶点和理论支持。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a8be/11054676/18b2d73d5c6b/plants-13-01121-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a8be/11054676/5b15375b03d7/plants-13-01121-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a8be/11054676/0f3d06ff34b2/plants-13-01121-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a8be/11054676/687704d1f2ef/plants-13-01121-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a8be/11054676/d380789de29b/plants-13-01121-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a8be/11054676/4b913ddcf7e8/plants-13-01121-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a8be/11054676/18b2d73d5c6b/plants-13-01121-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a8be/11054676/5b15375b03d7/plants-13-01121-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a8be/11054676/0f3d06ff34b2/plants-13-01121-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a8be/11054676/687704d1f2ef/plants-13-01121-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a8be/11054676/d380789de29b/plants-13-01121-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a8be/11054676/4b913ddcf7e8/plants-13-01121-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a8be/11054676/18b2d73d5c6b/plants-13-01121-g006.jpg

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本文引用的文献

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Roles of abscisic acid in regulating ripening and quality of strawberry, a model non-climacteric fruit.脱落酸在调控非跃变型果实典型代表——草莓成熟和品质方面的作用
Hortic Res. 2022 Apr 22;9:uhac089. doi: 10.1093/hr/uhac089. eCollection 2022.
3
NUCLEOCYTOPLASMIC shuttling of ETHYLENE RESPONSE FACTOR 5 mediated by nitric oxide suppresses ethylene biosynthesis in apple fruit.
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New Phytol. 2022 Jun;234(5):1714-1734. doi: 10.1111/nph.18071. Epub 2022 Mar 23.
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Ethylene response factor MdERF4 and histone deacetylase MdHDA19 suppress apple fruit ripening through histone deacetylation of ripening-related genes.乙烯反应因子 MdERF4 和组蛋白去乙酰化酶 MdHDA19 通过组蛋白去乙酰化作用抑制与成熟相关的基因来抑制苹果果实成熟。
Plant Physiol. 2022 Mar 28;188(4):2166-2181. doi: 10.1093/plphys/kiac016.
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