ArticleBMC plant biology2023
Metabolome and transcriptome profiling revealed the enhanced synthesis of volatile esters in Korla pear.
Article in BMC plant biology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed, 18 citations in OpenAlex.
- Evolution of metabolite and volatile compounds in Chinese bayberry during juice processing, fermentation, and distillation.Food chemistry: X · 2026Article
- Elucidating Sugar-Acid Metabolic Diversity and Screening Breeding Materials in Xinjiang Pear (Foods (Basel, Switzerland) · 2025Article
- Comprehensive analysis of volatile compounds in hybrid sweetgum population and other Liquidambar species by HS-SPME-GC-MS.BMC plant biology · 2025Article
- Effects of microbial fertilizer and green manure cropping systems on fruit quality of Korla fragrant pear.Frontiers in plant science · 2025Article
- Transcription-Associated Metabolomic Analysis Reveals the Mechanism of Fruit Ripening during the Development of Chinese Bayberry.International journal of molecular sciences · 2024Article
- Insights into the aroma volatiles and the changes of expression of ester biosynthesis candidate genes during postharvest storage of European pear.Frontiers in plant science · 2024Article
- Changes of Volatile Organic Compounds of Different Flesh Texture Pears during Shelf Life Based on Headspace Solid-Phase Microextraction with Gas Chromatography-Mass Spectrometry.Foods (Basel, Switzerland) · 2023Article
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9 authors at 4 institutions in 1 country.
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Abstract
backgroundFlavor contributes to the sensory quality of fruits, including taste and aroma aspects. The quality of foods is related to their flavor-associated compounds. Pear fruits have a fruity sense of smell, and esters are the main contributor of the aroma. Korla pear are well known due to its unique aroma, but the mechanism and genes related to volatile synthesis have not been fully investigated.
resultsFlavor-associated compounds, including 18 primary metabolites and 144 volatiles, were characterized in maturity fruits of ten pear cultivars from five species, respectively. Based on the varied metabolites profiles, the cultivars could be grouped into species, respectively, by using orthogonal partial least squares discrimination analysis (OPLS-DA). Simultaneously, 14 volatiles were selected as biomarkers to discriminate Korla pear (Pyrus sinkiangensis) from others. Correlation network analysis further revealed the biosynthetic pathways of the compounds in pear cultivars. Furthermore, the volatile profile in Korla pear throughout fruit development was investigated. Aldehydes were the most abundant volatiles, while numerous esters consistently accumulated especially at the maturity stages. Combined with transcriptomic and metabolic analysis, Ps5LOXL, PsADHL, and PsAATL were screened out as the key genes in ester synthesis.
conclusionPear species can be distinguished by their metabolic profiles. The most diversified volatiles as well as esters was found in Korla pear, in which the enhancement of lipoxygenase pathway may lead to the high level of volatile esters at maturity stages. The study will benefit the fully usage of pear germplasm resources to serve fruit flavor breeding goals.
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