|Table of Contents|

Research on Metabonomics of New Floribunda Rose Cultivar‘Huahao Yueyuan’ at Different Flowering Stages

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2025年3
Page:
80-87
Research Field:
Publishing date:

Info

Title:
Research on Metabonomics of New Floribunda Rose Cultivar‘Huahao Yueyuan’ at Different Flowering Stages
Author(s):
YANG Shuo1; HOU Qiumei1; ZHOU Yan1; ZHANG Jiajia1; JIN Jing2; WU Hong′e1
(1.Guizhou Botanical Garden，Guizhou Academy of Sciences,Guiyang，Guizhou 550004；2.Guizhou Academy of Sciences，Guiyang，Guizhou 550001)
Keywords:
cultivar ‘Huahao Yueyuan’; different flowering periods; untargeted metabonomics; metabolites differential
PACS:
S 685.12
DOI:
10.11937/bfyy.20243255
Abstract:
Taking the initial blooming and full blooming flowers of ‘Huahao Yueyuan’ as the test materials，and used liquid chromatographyass spectrometry (LC-MS) technology to perform untargeted metabolomics analysis on flowers of different blooming periods of this variety,the effects of different blooming periods on the metabolites of rose flowers were studied，in order to provide reference for the scientific development utilization of this rose species.The results showed that a total of 485 metabolites were detected and screened from flowers of different flowering periods of the new rose variety ‘Huahao Yueyuan’.Using | log2 (FoldChange) | ≥ 1，P≤ 0.05，VIP>1，18 differential metabolites were identified in the positive ion mode (6 up-regulated and 12 down regulated)，mainly significantly enriched in the biosynthesis pathways of aminoacyl tRNA，phenylalanine metabolism，arginine，etc.Under negative ion mode，there were 11 differentially expressed metabolites (6 up-regulated and 5 down regulated)，significantly enriched in the conversion of pentose and glucuronic acid，ascorbic acid and arabic acid metabolism，and pentose phosphate synthesis pathways.In summary，the new variety of roses‘Huahao Yueyuan’ had significant differences in the types of metabolites at different stages of flowering.The metabolites at the initial opening stage were mainly carboxylic acids and their derivatives，indoles and their derivatives，pregnenolone lipids，etc.The metabolites during the blooming period were mainly organic oxygen compounds.Compared with the initial flowering period，compounds such as phenylalanine，proline，isoleucine，adenosine，and various sugars were significantly downregulated during the peak flowering period，indicating a decrease in flower aroma，functional components，and photosynthetic capacity during the blooming period.

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Last Update: 2025-02-13