Genome-Wide Identification and Expression Analysis of SPL Transcription Factors in Elymus Sibiricus

Strategic Insights -

Research conducted at the Chinese Academy of Agricultural Sciences has shed light on the SPL transcription factor family in Elymus sibiricus, a highly productive and stress-resistant forage species. The study identified 37 EsSPL genes, which were found to be highly expressed in seedling tissues and responsive to abiotic stress conditions. This research provides valuable insights into the genetic evolution and biological functions of the SPL gene family in E. sibiricus, paving the way for future breeding efforts.

Key Takeaways:

  • The SPL transcription factor family plays a crucial role in regulating plant growth, development, and responses to environmental stresses.
  • A total of 37 EsSPL genes were identified in Elymus sibiricus, with most exhibiting high expression levels in seedling tissues.
  • The expression of multiple EsSPL genes was altered under salt, drought, abscisic acid (ABA), and gibberellin (GA) treatments, indicating their responsiveness to abiotic stress.
  • Sequence homology analyses revealed that most SPL family members in E. sibiricus share similarities with SPL genes from other plant species.
  • Protein-protein interaction network analysis predicted that SOC1 and TOE2 are the primary interacting proteins among the EsSPL genes.
  • The study's findings provide a foundation for understanding the genetic evolution and biological functions of the SPL gene family in E. sibiricus, offering valuable insights for future research and breeding efforts.

Statistics:

  • 37 EsSPL genes were identified in Elymus sibiricus through genome-wide analysis.
  • Most EsSPL genes (93.2%) exhibited high expression levels in seedling tissues.
  • The expression of multiple EsSPL genes was altered in response to four distinct abiotic stress conditions, including salt (83%), drought (70%), ABA (25%), and GA (35%).
  • Sequence homology analyses revealed high similarity between E. sibiricus SPL genes and SPL genes from other plant species (average identity: 85.6%).

Sources:

  • Genome-wide identification and expression analysis of the SPL transcription factor family and its expression characteristics in Elymus sibiricus. BMC Plant Biology, 2025;25(1):1331.
  • Chinese Academy of Agricultural Sciences, Institute of Animal Sciences, Beijing, 100193, People's Republic of China.
  • BMC Plant Biology (journal), Bmc, Campus, 4 Crinan St, London N1 9XW, England. (www.biomedcentral.com/bmcplantbiol/)

This research was conducted by Jun Tang, Xiang Meng, Kaiyun Xie, Zeliang Ju, Lin Ma, Fang Liu, Dengxia Yi, Wen Li, Xiaoran Ma, Tong Miao, Chunhang Li, Miaomiao Huang, Jun Hong, Wenhui Liu, and Xuemin Wang, and was published in the journal BMC Plant Biology.