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

文献类型： 外文期刊

第一作者： Cao, Xiangmei

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

作者机构：

期刊名称：CELL REPORTS （ 影响因子：7.5； 五年影响因子：8.5 ）

ISSN： 2211-1247

年卷期： 2024 年 43 卷 8 期

页码：

收录情况： SCI

摘要： 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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