数字农科院2.0

Genetically modified soybean lines exhibit less transcriptomic variation compared to natural varieties

文献类型： 外文期刊

作者： Yan Long;Wentao Xu;Caiyue Liu;Mei Dong;Weixiao Liu;Xinwu Pei;Liang Li;Rui Chen;Wujun Jin

作者机构：

关键词： Differentially expressed genes;GM soybean lines;non-GM soybean lines;soybean seed tissues;transcriptomic analysis

期刊名称： GM Crops and Food

ISSN： 2164-5698

年卷期： 2023 年 14 卷 1 期

页码：

收录情况： SCIE（2023版）

摘要： Genetically modified (GM) soybeans provide a huge amount of food for human consumption and animal feed. However, the possibility of unexpected effects of transgenesis has increased food safety concerns. High-throughput sequencing profiling provides a potential approach to directly evaluate unintended effects caused by foreign genes. In this study, we performed transcriptomic analyses to evaluate differentially expressed genes (DEGs) in individual soybean tissues, including cotyledon (C), germ (G), hypocotyl (H), and radicle (R), instead of using the whole seed, from four GM and three non-GM soybean lines. A total of 3,351 DEGs were identified among the three non-GM soybean lines. When the GM lines were compared with their non-GM parents, 1,836 to 4,551 DEGs were identified. Furthermore, Gene Ontology (GO) analysis of the DEGs showed more abundant categories of GO items (199) among non-GM lines than between GM lines and the non-GM natural varieties (166). Results of Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis showed that most KEGG pathways were the same for the two types of comparisons. The study successfully employed RNA sequencing to assess the differences in gene expression among four tissues of seven soybean varieties, and the results suggest that transgenes do not induce massive transcriptomic alterations in transgenic soybeans compared with those that exist among natural varieties. This work offers empirical evidence to investigate the genomic-level disparities induced by genetic modification in soybeans, specifically focusing on seed tissues.

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