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代谢组学和转录组学分析揭示了黄酮类化合物对花生种子活力中种子抗氧化特性的调控作用。

Metabolomic and Transcriptomic Analysis Reveals Flavonoid-Mediated Regulation of Seed Antioxidant Properties in Peanut Seed Vigor.

作者信息

Gong Fangping, Cao Di, Li Zhuo, Fan Yi, Zhang Yaru, Zhang Lin, Zhao Kai, Qiu Ding, Li Zhongfeng, Ren Rui, Ma Xingli, Zhang Xingguo, Zhao Kunkun, Yin Dongmei

机构信息

College of Agronomy & Peanut Functional Genome and Molecular Breeding Engineering, Henan Agricultural University, Zhengzhou 450002, China.

Institute of Crop Germplasm Resources, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China.

出版信息

Antioxidants (Basel). 2024 Dec 8;13(12):1497. doi: 10.3390/antiox13121497.

DOI:10.3390/antiox13121497
PMID:39765825
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11673639/
Abstract

Peanut ( L.) is an oilseed crop grown worldwide. Flavonoids have profound benefits for plant growth and development because of their powerful antioxidant properties. Seed vigor is an important indicator of seed quality. However, how flavonoids impact seed vigor formation in large-seed peanuts is still poorly understood. Here, we profiled flavonoids, phytohormones, and transcriptomes of developing seeds of large-seed peanut varieties with low (ZP06) and high (H8107) seed vigor. A total of 165 flavonoids were identified, 51 of which were differentially accumulated in ZP06 and H8107. Lower levels of dihydromyricetin (0.28 times) and hesperetin-7-O-glucoside (0.26 times) were observed in ZP06 seeds than in H8107. All flavonoid biosynthesis structural genes were down-regulated in ZP06. The different hormone levels found in ZP06 and H8107 seeds could be associated with the expression of flavonoid biosynthesis genes via MYB and bHLH transcription factors. Dihydromyricetin could relate to ZP06's poor seed vigor by impacting its seed antioxidant properties. Thus, the presence of flavonoids in large-seed peanuts could contribute to their physiological quality and germination potential through controlling the accumulation of reactive oxygen species to improve seed antioxidant properties.

摘要

花生（Arachis hypogaea L.）是一种在全球范围内种植的油料作物。黄酮类化合物因其强大的抗氧化特性，对植物生长发育具有深远益处。种子活力是种子质量的重要指标。然而，黄酮类化合物如何影响大粒花生种子活力的形成仍知之甚少。在此，我们对低种子活力（ZP06）和高种子活力（H8107）的大粒花生品种发育种子中的黄酮类化合物、植物激素和转录组进行了分析。共鉴定出165种黄酮类化合物，其中51种在ZP06和H8107中差异积累。ZP06种子中观察到的二氢杨梅素（0.28倍）和橙皮素-7-O-葡萄糖苷（0.26倍）水平低于H8107。所有黄酮类生物合成结构基因在ZP06中均下调。在ZP06和H8107种子中发现的不同激素水平可能通过MYB和bHLH转录因子与黄酮类生物合成基因的表达相关。二氢杨梅素可能通过影响其种子抗氧化特性而与ZP06较差的种子活力有关。因此，大粒花生中黄酮类化合物的存在可能通过控制活性氧的积累来改善种子抗氧化特性，从而有助于其生理质量和发芽潜力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96a8/11673639/0744ec747893/antioxidants-13-01497-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96a8/11673639/f4cfc20f8ee9/antioxidants-13-01497-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96a8/11673639/7e6766e0c72c/antioxidants-13-01497-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96a8/11673639/5613b428d28d/antioxidants-13-01497-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96a8/11673639/76df58476ba5/antioxidants-13-01497-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96a8/11673639/caf48801f520/antioxidants-13-01497-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96a8/11673639/4d780967b5c6/antioxidants-13-01497-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96a8/11673639/0744ec747893/antioxidants-13-01497-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96a8/11673639/f4cfc20f8ee9/antioxidants-13-01497-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96a8/11673639/7e6766e0c72c/antioxidants-13-01497-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96a8/11673639/5613b428d28d/antioxidants-13-01497-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96a8/11673639/76df58476ba5/antioxidants-13-01497-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96a8/11673639/caf48801f520/antioxidants-13-01497-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96a8/11673639/4d780967b5c6/antioxidants-13-01497-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96a8/11673639/0744ec747893/antioxidants-13-01497-g007.jpg

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