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Genome-wide Molecular Evolution Analysis of the GRF and GIF Gene Families in Plantae (Archaeplastida)

Overview
Journal BMC Genomics
Publisher Biomed Central
Specialty Genetics
Date 2024 Jan 17
PMID 38233778
Authors
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Abstract

Background: Plant growth-regulating factors (GRFs) and GRF-interacting factors (GIFs) interact with each other and collectively have important regulatory roles in plant growth, development, and stress responses. Therefore, it is of great significance to explore the systematic evolution of GRF and GIF gene families. However, our knowledge and understanding of the role of GRF and GIF genes during plant evolution has been fragmentary.

Results: In this study, a large number of genomic and transcriptomic datasets of algae, mosses, ferns, gymnosperms and angiosperms were used to systematically analyze the evolution of GRF and GIF genes during the evolution of plants. The results showed that GRF gene first appeared in the charophyte Klebsormidium nitens, whereas the GIF genes originated relatively early, and these two gene families were mainly expanded by segmental duplication events after plant terrestrialization. During the process of evolution, the protein sequences and functions of GRF and GIF family genes are relatively conservative. As cooperative partner, GRF and GIF genes contain the similar types of cis-acting elements in their promoter regions, which enables them to have similar transcriptional response patterns, and both show higher levels of expression in reproductive organs and tissues and organs with strong capacity for cell division. Based on protein-protein interaction analysis and verification, we found that the GRF-GIF protein partnership began to be established in pteridophytes and is highly conserved across different terrestrial plants.

Conclusions: These results provide a foundation for further exploration of the molecular evolution and biological functions of GRF and GIF genes.

Citing Articles

Genome-wide identification and comprehensive analysis of the AP2/ERF gene family in Prunus sibirica under low-temperature stress.

Zhang H, Wang S, Zhao X, Dong S, Chen J, Sun Y BMC Plant Biol. 2024; 24(1):883.

PMID: 39342089 PMC: 11438396. DOI: 10.1186/s12870-024-05601-8.

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