Multi-omics analysis unravels chemical roadmap and genetic basis for peach fruit aroma improvement.

IF 7.5 1区生物学 Q1 CELL BIOLOGY

Cell reports Pub Date : 2024-08-27 Epub Date: 2024-08-14 DOI:10.1016/j.celrep.2024.114623

Xiangmei Cao, Yike Su, Ting Zhao, Yuanyuan Zhang, Bo Cheng, Kaili Xie, Mingliang Yu, Andrew Allan, Harry Klee, Kunsong Chen, Xueying Guan, Yuyan Zhang, Bo Zhang

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引用次数: 0

Abstract

Selection of fruits with enhanced health benefits and superior flavor is an important aspect of peach breeding. Understanding the genetic interplay between appearance and flavor chemicals remains a major challenge. We identify the most important volatiles contributing to consumer preferences for peach, thus establishing priorities for improving flavor quality. We quantify volatiles of a peach population consisting of 184 accessions and demonstrate major reductions in the important flavor volatiles linalool and Z-3-hexenyl acetate in red-fleshed accessions. We identify 474 functional gene regulatory networks (GRNs), among which GRN05 plays a crucial role in controlling both red flesh and volatile content through the NAM/ATAF1/2/CUC (NAC) transcription factor PpBL. Overexpressing PpBL results in reduced expression of PpNAC1, a positive regulator for Z-3-hexenyl acetate and linalool synthesis. Additionally, we identify haplotypes for three tandem PpAATs that are significantly correlated with reduced gene expression and ester content. We develop genetic resources for improvement of fruit quality.

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多组学分析揭示了桃果香气改良的化学路线图和遗传基础。

选育具有更多健康益处和更佳风味的水果是桃育种的一个重要方面。了解外观和风味化学物质之间的遗传相互作用仍然是一项重大挑战。我们确定了影响消费者对桃的偏好的最重要挥发性物质，从而确定了改善风味质量的优先事项。我们对由 184 个品种组成的水蜜桃群体的挥发性物质进行了量化，结果表明在红肉品种中，重要的风味挥发性物质芳樟醇和乙酸 Z-3-己烯酯的含量大大降低。我们发现了 474 个功能基因调控网络（GRNs），其中 GRN05 通过 NAM/ATAF1/2/CUC （NAC）转录因子 PpBL 在控制红肉和挥发性物质含量方面起着至关重要的作用。过量表达 PpBL 会导致 PpNAC1 的表达量减少，而 PpNAC1 是乙酸 Z-3-己烯酯和芳樟醇合成的正调控因子。此外，我们还确定了三个串联 PpAAT 的单倍型，这些单倍型与基因表达和酯含量的降低显著相关。我们开发了用于改善果实品质的遗传资源。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Cell reports CELL BIOLOGY-

CiteScore

13.80

自引率

1.10%

发文量

1305

审稿时长

77 days

期刊介绍： Cell Reports publishes high-quality research across the life sciences and focuses on new biological insight as its primary criterion for publication. The journal offers three primary article types: Reports, which are shorter single-point articles, research articles, which are longer and provide deeper mechanistic insights, and resources, which highlight significant technical advances or major informational datasets that contribute to biological advances. Reviews covering recent literature in emerging and active fields are also accepted. The Cell Reports Portfolio includes gold open-access journals that cover life, medical, and physical sciences, and its mission is to make cutting-edge research and methodologies available to a wide readership. The journal's professional in-house editors work closely with authors, reviewers, and the scientific advisory board, which consists of current and future leaders in their respective fields. The advisory board guides the scope, content, and quality of the journal, but editorial decisions are independently made by the in-house scientific editors of Cell Reports.