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Metabonomic and transcriptomic analyses of Camellia oleifera flower buds treated with low-temperature stress during the flowering stage by Ling-Li Wu; Ya-jun Wang; Pu-rui Guo; Ze Li; Jian-An Li; Xiao-Feng Tan is a Engineering article available to read on EtoBox.

What is Metabonomic and transcriptomic analyses of Camellia oleifera flower buds treated with low-temperature stress during the flowering stage about?

Camellia oleifera is an important woody edible and industrial oil tree species. However, its fruits quality and production are severely affected by low temperature during flowering. In a previous study, we observed significant amounts of a honey-like mucilaginous substance at the base of C. oleifera flowers during cold acclimation, which could reduce flowers and fruits drop. However, the transcriptional regulation mechanism of C. oleifera in response to low-temperature stress remains unknown. In this study, we conducted targeted metabonomic and transcriptomic analyses using ultra-performance liquid chromatography–tandem mass spectrometry and next-generation sequencing technology. It was found that sugar content (D-fructose, inositol, glucose, and sucrose) was increased as low-temperature stress conditions persisted over time. Besides, auxin was induced at the early stage of low-temperature stress, and long-term low-temperature stress induced the accumulation of abscisic acid and salicylic acid. Transcript-level changes in C. oleifera flower buds were related to the duration of low-temperature stress. A total of 381,812 unigenes were generated through transcriptome analysis, and sev

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Author

Ling-Li Wu; Ya-jun Wang; Pu-rui Guo; Ze Li; Jian-An Li; Xiao-Feng Tan

Publisher

Elsevier BV

Published

2022

Language

EN

Field

Engineering (Physical Sciences)