数字农科院2.0

Transcriptome analysis of inflorescence embryogenesis in Festuca Glauca

文献类型: 外文期刊

作者: Hongjuan Xu;Baohui Zhang;Lan Yang;Yuxuan Jin;Weize Wang;Ning Ao;Panpan Yang;Zhilin Chen

作者机构:

关键词: Differentially expressed genes;Festuca glauca;Inflorescence embryogenesis;Metabolic pathway;Transcriptome analysis

期刊名称: Plant Gene

ISSN: 2352-4073

年卷期: 2024 年 40 卷

页码:

收录情况: 无来源刊(2024版)

摘要: In this study, RNA-seq was employed for transcriptome sequencing at four developmental stages of normal (L) and embryogenic (X) Festuca glauca ‘Elijah Blue’ inflorescences to analyze and identify the metabolic pathways and regulatory genes associated with inflorescence embryogenesis, thereby facilitating the understanding of the molecular mechanisms of inflorescence embryogenesis in Festuca glauca. The results revealed a total of 50,733 differentially expressed genes (DEGs) between the control (L) and embryogenic (X) samples at different developmental stages. Among them, 19,640 (38.71 %) were upregulated and 31,093 (61.29 %) were downregulated. A total of 2585 DEGs were expressed in both stage 1 (L1-vs-X1) and stage 4 (L4-vs-X4). Gene Ontology (GO) analysis revealed that the DEGs in these stages were mainly enriched in processes related to photosynthetic membranes, chloroplasts, activity of DNA-binding transcription factors, components of ribosomal structure, reactions involving oxidized compounds, and photosynthesis; while Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis revealed that the DEGs in these stages were mainly enriched in pathways such as plant-pathogen interactions, plant hormone signal transduction, phenylpropanoid biosynthesis, ribosomes, and galactose metabolism. The top families containing differentially expressed transcription factors (DETFs) in these stages included ERF, bHLH, MYB-related, NAC, and WRKY. A total of 39 and 29 DETFs associated with embryogenesis were identified in the L1-vs-X1 and L4-vs-X4 stages, respectively. Additionally, 79 and 110 embryogenesis-related genes were identified in the plant hormone signal transduction metabolic pathway in the L1-vs-X1 and L4-vs-X4 stages, respectively.

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