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Plant AT-rich sequence and zinc-binding protein (PLATZ) is a plant transcription factor that has been studied in corn.  PLATZ  can non-specifically bind to sequences rich in A/T bases to induce transcriptional repression. It is involved in the regulation of dehydration tolerance in seeds. In this study, we performed bioinformatics analysis to identify and characterize wheat  PLATZ ( TaPLATZ )genes. We identified 49 wheat  PLATZ  genes by searching the wheat genome by using known  PLATZ  gene sequences from rice,  Arabidopsis , and maize. Phylogenetic analysis on  PLATZ  gene sequences from different species was performed. We found that  PLATZs  could be divided into three groups. The chromosome (chr) distribution analysis revealed that the 49 identified wheat  PLATZ  genes are distributed in 15 chrs. Gene structure and motif analyses indicated that most  PLATZ  genes possess conserved exon/intron arrangements and motif compositions. Our analysis of transcriptional data indicated that several wheat  PLATZ  genes may play an important role in abiotic stress resistance given that they are expressed under salt stress. The results of qRT-PCR further confirmed that  TaPLATZ  is involved in plant abiotic stress and is also related to the cell differentiation of plant tissues. Our results lay the foundation for further studies on the function of the wheat  PLATZ  gene family.

Genome-wide Analysis of a Plant AT-rich Sequence and Zinc-binding Protein (PLATZ) in Triticum Aestivum