Genome-wide analysis of NAM-ATAF1,2-CUC2 transcription factor family in Solanum lycopersicum

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• 作者：Hongyan Su ; Shizhong Zhang ; Yanlei Yin…
• 关键词：Genome ; wide analysis ; NAC transcription factor ; Gene family ; Tomato
• 刊名：Journal of Plant Biochemistry and Biotechnology
• 出版年：2015
• 出版时间：April 2015
• 年：2015
• 卷：24
• 期：2
• 页码：176-183
• 全文大小：2,527 KB
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• 刊物主题：Life Sciences, general; Plant Biochemistry; Protein Science; Receptors; Cell Biology;
• 出版者：Springer India
• ISSN：0974-1275

文摘

NAM, ATAF1,2, and CUC2 (NAC) proteins constitute one of the largest families of plant-specific transcription factors. These proteins have diverse functions in biological processes. Particularly, NAC transcription factors have received considerable attention as regulators in stress signaling pathways. However, little is known about the NAC genes in tomato (Solanum lycopersicum). In this study, 104 NAC genes were identified in the tomato genome. The predicted NAC genes were distributed across all of 12 chromosomes at various densities and were phylogenetically clustered into six groups (I–VI), together with NAC genes from Arabidopsis and rice.The structure and motif compositions of the NAC genes in tomato were also analyzed. Analysis of available microarray data showed that most of the NAC genes in tomato had specific temporal and spatial expression patterns. Moreover, the expression profiles of eight selected NAC genes in tomato were analyzed in different tissues under different abiotic conditions by quantitative real-time RT-PCR. Except for one, all eight selected genes responded to one or more of the abiotic stress treatments. The results of this study provided insights into the classification and putative functions of this family.