التفاصيل البيبلوغرافية
| العنوان: |
Genome‐wide investigation and analysis of NAC transcription factor family in Populus tomentosa and expression analysis under salt stress. |
| المؤلفون: |
Han, K., Zhao, Y., Liu, J., Tian, Y., El‐Kassaby, Y. A., Qi, Y., Ke, M., Sun, Y., Li, Y. |
| المصدر: |
Plant Biology; Aug2024, Vol. 26 Issue 5, p764-776, 13p |
| مصطلحات موضوعية: |
TRANSCRIPTION factors, GENE expression, CHROMOSOME analysis, GENE families, GENE mapping, POPLARS |
| مستخلص: |
The NAC transcription factor family is one of the largest families of TFs in plants, and members of NAC gene family play important roles in plant growth and stress response. Recent release of the haplotype‐resolved genome assembly of P. tomentosa provide a platform for NAC protein genome‐wide analysis.A total of 270 NAC genes were identified and a comprehensive overview of the PtoNAC gene family is presented, including gene promoter, structure and conserved motif analyses, chromosome localization and collinearity analysis, protein phylogeny, expression pattern, and interaction analysis.The results indicate that protein length, molecular weight, and theoretical isoelectric points of the NAC TF family vary, while gene structure and motif are relatively conserved. Chromosome mapping analysis showed that the P. tomentosa NAC genes are unevenly distributed on 19 chromosomes. The interchromosomal evolutionary results indicate 12 pairs of tandem and 280 segmental duplications. Segmental duplication is possibly related to amplification of P. tomentosa NAC gene family. Expression patterns of 35 PtoNAC genes from P. tomentosa subgroup were analysed under high salinity, and seven NAC genes were induced by this treatment. Promoter and protein interaction network analyses showed that PtoNAC genes are closely associated with growth, development, and abiotic and biotic stress, especially salt stress.These results provide a meaningful reference for follow‐up studies of the functional characteristics of NAC genes in the mechanism of stress response and their potential roles in development of P. tomentosa. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |
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