Characterization and Coexpression Analysis of the TIFY Family Genes in Euryale ferox Related to Leaf Development
Lanruoyan Xu1, Ailian Liu1, Tianyu Wang1
1College of Horticulture and Landscape Architecture, Yangzhou University, Yangzhou 225000, China.
Abstract:
TIFYs are plant-specific transcription factors that contain the TIFY structural domain and play an important role in plant leaf growth and development. However, the role played by TIFY in E. ferox (Euryale ferox Salisb.) leaf development has not been investigated. In this study, 23 TIFY genes were identified in E. ferox. Phylogenetic analyses of the TIFY genes showed clustering into three groups (JAZ, ZIM, and PPD). The TIFY domain was shown to be conserved. JAZ was mainly expanded via wholegenome triplication (WGT) in E. ferox. Based on analyses of the TIFY genes in nine species, we found that JAZ has a closer relationship with PPD, in addition to appearing the most recently and expanding most rapidly, leading to the rapid expansion of TIFYs in Nymphaeaceae. In addition, their different evolution types were discovered. Different gene expressions showed the distinct and corresponsive expression patterns of the EfTIFYs in different stages of tissue and leaf development. Finally, The qPCR analysis revealed that the expression of EfTIFY7.2 and EfTIFY10.1 showed an upward trend and high expression throughout leaf development. Further co-expression analysis indicated that EfTIFY7.2 might be more important for the development of E. ferox leaves. This information will be valuable when exploring the molecular mechanisms of EfTIFYs in plants.
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