Lipidomics and whole-genome sequencing identify lipid profiles in fermented golden pompano (Trachinotus ovatus) inoculated with Bacillus subtilis: influence of indigenous strains on lipid changes
文献类型： 外文期刊
作者： Wu, Yanyan 1 ; Wang, Huifang 1 ; Xiang, Huan 1 ; Wang, Di 1 ; Li, Chunsheng 1 ; Chen, Shengjun 1 ; Zhao, Yongqiang 1 ; Wang, Yueqi 1 ;
作者机构： 1.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Natl R&D Ctr Aquat Prod Proc, Key Lab Aquat Prod Proc,Minist Agr & Rural Affairs, Guangzhou 510300, Peoples R China
2.Beibu Gulf Univ, Guangxi Coll & Univ Key Lab Dev & High Value Utili, Coll Food Engn, Qinzhou 535000, Peoples R China
3.Jiangsu Ocean Univ, Coinnovat Ctr Jiangsu Marine Bioind Technol, Lianyungang 222005, Peoples R China
4.Dalian Polytech Univ, Collaborat Innovat Ctr Seafood Deep Proc, Dalian 116034, Peoples R China
关键词： Untargeted lipidomics; Golden pompano; Fermentation; Lipase; Whole genome
期刊名称：FOOD SCIENCE AND HUMAN WELLNESS （ 影响因子：7.4； 五年影响因子：7.8 ）
ISSN：
年卷期： 2025 年 14 卷 6 期
页码：
收录情况： SCI
摘要： Inoculated fermentation enables rapid fermentation of aquatic products. No studies have been conducted on the lipid profiles of inoculated fermented golden pompano (Trachinotus ovatus). In this study, a lipase-producing Bacillus subtilis with salt tolerance was screened from traditionally fermented golden pompano (TF) and used as a starter culture. Whole-genome sequencing analysis revealed it carries 4 clustered regularly interspaced short vpalindromic repeats structures and 2 genes encoding triacylglycerol lipase. Untargeted lipidomics identified lipid molecules (833) in 6 major classes from B. subtilis SCSMX-2 fermented golden pompano (IF). A total of 28 lipid molecules were upregulated in IF, including phosphatidylcholines (PCs), triacylglycerols (TAGs), and lysophosphatidylcholine. B. subtilis supplementation enhanced the production of polyenyl PCs and medium- and long-chain TAGs. The IF rich in linoleic, docosahexaenoic acids (DHA), and eicosapentaenoic acid were primarily distributed in the sn-2 position of DHA, PC and phosphatidylethanolamine. This research revealed the lipid profiles of IF, providing theoretical basis for the application of B. subtilis in the fermented fish industry.
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