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Bioinformatics analysis and expression pattern of NAC transcription factor family of Angelica dahurica var. formosana from Sichuan province / 中国中药杂志
China Journal of Chinese Materia Medica ; (24): 1769-1782, 2021.
Article in Chinese | WPRIM | ID: wpr-879091
ABSTRACT
NAC(NAM/ATAF/CUC) protein plays an important role in plant growth and development, secondary cell wall formation and stress response. In this study, based on the sequencing data of Angelica dahurica, the NAC family was systematically analyzed using bioinformatics methods and its expression pattern was analyzed. Studies showed that 75 candidate genes had been selected from the NAC transcription factor family of A. dahurica, with the protein size of 148-641, all of which were unstable hydrophilic proteins. Most NAC proteins were localized in the nucleus, and had complete NAC domain. Phylogenetic analysis of NAC family proteins of A.dahurica and Arabidopsis thaliana showed that among the 17 subfamilies, NAC members were unevenly distributed in each subfamily, indicating that the evolution of species is developing in multiple directions. Among them, ANAC063 subfamily contained no NAC sequence of A. dahurica, which might be due to the functional evolution of the species. Analysis of protein transmembrane structure and signal peptide showed that NAC transcription factor could carry out transmembrane transportation, but its signal peptide function had not been found. Expression analysis showed that most transcription factors responded to abiotic stress and hormones to varying degrees, and the effects of hormones were obvious, especially ABA and IAA. In different organs of A. dahurica, most members of the NAC family had higher expression in root phloem, followed by root xylem. This study lays a foundation for further research on the function of A. dahurica NAC transcription factor and for solving the biological problems of A. dahurica.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Phylogeny / Plant Proteins / Stress, Physiological / Transcription Factors / Gene Expression Regulation, Plant / Computational Biology / Angelica Language: Chinese Journal: China Journal of Chinese Materia Medica Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Phylogeny / Plant Proteins / Stress, Physiological / Transcription Factors / Gene Expression Regulation, Plant / Computational Biology / Angelica Language: Chinese Journal: China Journal of Chinese Materia Medica Year: 2021 Type: Article