Integrated analysis of lipid metabolism and differentially expressed genes reveal seed oil accumulation in field muskmelon

IF 3.4 2区生物学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Genomics Pub Date : 2025-03-19 DOI:10.1016/j.ygeno.2025.111031

Jiyuan Wang , Hengyi Ren , Jie Zhu , Yahui Li , Jie Liu , Hu Li , Chun Liu , Yupeng Fan , Huijun Zhang

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引用次数: 0

Abstract

Field muskmelon (Cucumis melo L. var. agrestis Naud.), a novel oil crop, contains a high amount of lipids in seeds. However, the high-resolution profiles and dynamic regulation of its lipids remain largely unknown. This study identified the lipids and analyzed their dynamic changes using UHPLC-MS/MS. We identified 2533 lipid molecules in the seeds, including 7 categories and 47 sub-classes, with the higher proportions of glycerolipids (41.02 %) and glycerophospholipids (28.11 %). Moreover, the content of glycerolipids was the highest, particularly for triacylglycerol lipid molecules. Additionally, the expression patterns of differentially expressed genes (DEGs) showed a close correlation with lipid accumulation, especially within the plant hormone signaling pathway. Notably, the sufficient supply of 18:1-CoA, coupled with a high expression level of CmFAD2, contributed significantly to the high linoleic acid (68.56 %) content in field muskmelon seeds. Our findings offer insights that could enhance the comprehensive understanding of lipids in field muskmelon, and facilitate the breeding of field muskmelon.

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来源期刊

Genomics 生物-生物工程与应用微生物

CiteScore

9.60

自引率

2.30%

发文量

260

审稿时长

60 days

期刊介绍： Genomics is a forum for describing the development of genome-scale technologies and their application to all areas of biological investigation. As a journal that has evolved with the field that carries its name, Genomics focuses on the development and application of cutting-edge methods, addressing fundamental questions with potential interest to a wide audience. Our aim is to publish the highest quality research and to provide authors with rapid, fair and accurate review and publication of manuscripts falling within our scope.