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代谢组学与转录组学整合揭示了STS诱导玫瑰花瓣延迟脱落过程的相关见解。

Metabolome and transcriptome integration reveals insights into the process of delayed petal abscission in rose by STS.

作者信息

Zhang Jingjing, Zhang Yuyun, He Yongmei, Du Tingting, Shan Duoxiu, Fan Houdong, Wang Wenyu, Qin Zhe, Xin Cuihua, Pei Haixia

机构信息

School of Life Science ang Technology, Inner Mongolia University of Science and Technology, Baotou, China.

出版信息

Front Plant Sci. 2022 Nov 15;13:1045270. doi: 10.3389/fpls.2022.1045270. eCollection 2022.

DOI:10.3389/fpls.2022.1045270
PMID:36457520
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9706100/
Abstract

The abscission of plant organs plays an important role in ensuring the normal life activities. Rose is one of the most important ornamental plants, and its premature abscission of petal has seriously affected the quality and commercial value. Silver Thiosulfate (STS) is an ethylene inhibitor, which is often used preservative to delay the senescence of fresh cut flowers. To understand the regulatory mechanism of petal abscission in rose by STS, integrative analysis of the metabolome and transcriptome profiles was performed in abscission zone (AZ) tissues of rose under different treatments (MOCK, STS, ETH, STS+ETH). The results showed that STS significantly delayed the petal abscission in phenotype and reduced the activity of two enzymes (pectinase and cellulase) associated with cell wall degradation in physiological level. STS affected the contents of five metabolites (shikonin, jasmonic acid, gluconolactone, stachyose and D-Erythrose 4-phosphate), and involved changes in the expression of 39 differentially expressed genes (DEGs) associated with these five metabolites. Five DEGs (, , , , and ) were probably directly associated with the biosynthesis of shikonin, jasmonic acid, and D-Erythrose 4-phosphate. Meanwhile, the effect of STS on the abscission process significantly involved in the pentose phosphate pathway and amino acid biosynthesis pathway. In addition, STS had a greater effect on the transcription factors, phytohormone related DEGs represented by auxin and ethylene, DEGs related to disease resistance and amino acid, etc. Above all, STS negatively influences petal abscission of rose, these results maybe provide a reference for subsequent studies on petal abscission of rose by STS.

摘要

植物器官的脱落对于确保正常生命活动起着重要作用。玫瑰是最重要的观赏植物之一，其花瓣过早脱落严重影响了品质和商业价值。硫代硫酸银（STS）是一种乙烯抑制剂，常作为保鲜剂用于延缓鲜切花衰老。为了解STS对玫瑰花瓣脱落的调控机制，对不同处理（MOCK、STS、ETH、STS + ETH）下玫瑰脱落区（AZ）组织进行了代谢组和转录组图谱的综合分析。结果表明，STS在表型上显著延迟了花瓣脱落，在生理水平上降低了与细胞壁降解相关的两种酶（果胶酶和纤维素酶）的活性。STS影响了五种代谢物（紫草素、茉莉酸、葡萄糖酸内酯、水苏糖和D - 赤藓糖 - 4 - 磷酸）的含量，并涉及与这五种代谢物相关的39个差异表达基因（DEGs）表达的变化。五个DEGs（、、、和）可能直接与紫草素、茉莉酸和D - 赤藓糖 - 4 - 磷酸的生物合成相关。同时，STS对脱落过程的影响显著涉及磷酸戊糖途径和氨基酸生物合成途径。此外，STS对转录因子、以生长素和乙烯为代表的植物激素相关DEGs、与抗病性和氨基酸相关的DEGs等有较大影响。综上所述，STS对玫瑰花瓣脱落有负面影响，这些结果可能为后续关于STS对玫瑰花瓣脱落的研究提供参考。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/052a/9706100/d3648c57a370/fpls-13-1045270-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/052a/9706100/36152bb32762/fpls-13-1045270-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/052a/9706100/62b6d7f28f15/fpls-13-1045270-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/052a/9706100/0205cf4acc48/fpls-13-1045270-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/052a/9706100/bf7cb9b30579/fpls-13-1045270-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/052a/9706100/e440e036e10d/fpls-13-1045270-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/052a/9706100/0cb2cbe1ccff/fpls-13-1045270-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/052a/9706100/51907b8a6078/fpls-13-1045270-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/052a/9706100/3e0137efde56/fpls-13-1045270-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/052a/9706100/d3648c57a370/fpls-13-1045270-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/052a/9706100/36152bb32762/fpls-13-1045270-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/052a/9706100/62b6d7f28f15/fpls-13-1045270-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/052a/9706100/0205cf4acc48/fpls-13-1045270-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/052a/9706100/bf7cb9b30579/fpls-13-1045270-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/052a/9706100/e440e036e10d/fpls-13-1045270-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/052a/9706100/0cb2cbe1ccff/fpls-13-1045270-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/052a/9706100/51907b8a6078/fpls-13-1045270-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/052a/9706100/3e0137efde56/fpls-13-1045270-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/052a/9706100/d3648c57a370/fpls-13-1045270-g009.jpg

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