ArticleInternational journal of molecular sciences2023
Analysis of Volatile Aroma Components and Regulatory Genes in Different Kinds and Development Stages of Pepper Fruits Based on Non-Targeted Metabolome Combined with Transcriptome.
Article in International journal of molecular sciences, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- The combined effects of Golden2-like 2 and Pseudo-Response Regulator 2 control the fruit pigmentation in pepper.The Plant journal : for cell and molecular biology · 2026Article
- Seasonal changes of volatile compounds and odor evaluation of Zanthoxylum bungeanum 'Hanyuan' fruit during the development.BMC plant biology · 2025Article
- The Science behind vegetable aromas: types, synthesis, and influencing factors of volatile compounds.Plant signaling & behavior · 2025Review
- Uncovering the genetic architecture of pungency, carotenoids, and flavor inHorticulture research · 2025Article
- Article
- Dissection of Metabolome and Transcriptome-Insights into Capsaicin and Flavonoid Accumulation in Two Typical Yunnan Xiaomila Fruits.International journal of molecular sciences · 2024Article
- Gas Chromatography-Mass Spectrometry Metabolites and Transcriptome Profiling Reveal Molecular Mechanisms and Differences in Terpene Biosynthesis in TwoInternational journal of molecular sciences · 2024Article
- Integrated transcriptomics and metabolomics analysis provides insights into aromatic volatiles formation in Cinnamomum cassia bark at different harvesting times.BMC plant biology · 2024Article
- Integrative analysis of non-targeted metabolome and transcriptome reveals the mechanism of volatile formation in pepper fruit.Frontiers in genetics · 2023Article
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7 authors.
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Abstract
Aroma is a crucial attribute affecting the quality of pepper and its processed products, which has significant commercial value. However, little is known about the composition of volatile aroma compounds (VACs) in pepper fruits and their potential molecular regulatory mechanisms. In this study, HS-SPME-GC-MS combined with transcriptome sequencing is used to analyze the composition and formation mechanism of VACs in different kinds and development stages of pepper fruits. The results showed that 149 VACs, such as esters, alcohols, aldehydes, and terpenoids, were identified from 4 varieties and 3 development stages, and there were significant quantitative differences among different samples. Volatile esters were the most important aroma components in pepper fruits. PCA analysis showed that pepper fruits of different developmental stages had significantly different marker aroma compounds, which may be an important provider of pepper's characteristic aroma. Transcriptome analysis showed that many differential genes (DEGs) were enriched in the metabolic pathways related to the synthesis of VACs, such as fatty acids, amino acids, MVA, and MEP in pepper fruits. In addition, we identified a large number of differential transcription factors (TFs) that may regulate the synthesis of VACs. Combined analysis of differential aroma metabolites and DEGs identified two co-expression network modules highly correlated with the relative content of VACs in pepper fruit. This study confirmed the basic information on the changes of VACs in the fruits of several Chinese spicy peppers at different stages of development, screened out the characteristic aroma components of different varieties, and revealed the molecular mechanism of aroma formation, providing a valuable reference for the quality breeding of pepper.
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