Comprehensive analysis of Alfin-like transcription factors associated with drought and salt stresses in wheat (Triticum aestivum L.)
Hao Liu, Wenyan Liu, Ziyi Wang, Na Li, Yongfeng Xie, Yanhong Zhao
TL;DR
This study identifies and analyzes 27 Alfin-like transcription factors in wheat, revealing their roles in drought and salt stress responses and their potential for improving wheat breeding.
Contribution
The study provides a comprehensive analysis of Alfin-like transcription factors in wheat, including their gene structure, expression patterns, and allelic variations under stress.
Findings
TaAL genes are unevenly distributed on wheat chromosomes and grouped into AL-B and AL-C subfamilies.
TaAL1-B is significantly up-regulated under drought stress and shows allelic variation affecting survival rates.
Cis-acting elements like MBS, ABRE, and CGTCA-motif are prevalent in TaAL gene promoters.
Abstract
Alfin-like proteins are a kind of plant-specific transcription factors, and play vital roles in plant growth, development and stress responses. In this study, a total of 27 Alfin-like transcription factors were identified in wheat. TaAL genes were unevenly distributed on chromosome. Phylogenetic analysis showed TaAL genes were divided into AL-B and AL-C subfamilies, and TaALs with closer evolutionary relationships generally shared more similar exon-intron structures and conserved motifs. The cis-acting element analysis showed MBS, ABRE and CGTCA-motif were the most common in TaAL promoters. The interacting proteins and downstream target genes of TaAL genes were also investigated in wheat. The transcriptome data and real-time PCR results indicated TaAL genes were differentially expressed under drought and salt stresses, and TaAL1-B was significantly up-regulated in response to drought…
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Taxonomy
TopicsPlant Molecular Biology Research · Plant Stress Responses and Tolerance · Plant nutrient uptake and metabolism