玉米NAC家族基因的鉴定及其功能预测

Identification and Functional Prediction of NAC Gene Family in Maize

本研究主要通过生物信息学法对玉米NAC转录因子家族基因进行分析,具体包括分子量、不稳定系数、基因序列、脂肪族氨基酸指数、等电点、总平均疏水指数等基本信息,并构建系统进化树和玉米NAC基序总图。结果表明玉米NAC转录因子家族含有190个蛋白质,可以分成13个亚族,有29个NAC基因可能与植物的生长发育有关,27个NAC基因可能和其抗逆性有关,6个NAC基因可能与植物的衰老和胁迫渗透相关。本研究围绕玉米NAC转录因子基因信息及其功能进行预测,为进一步研究玉米NAC基因的生物学功能提供基础,具有重要的理论和实践意义。

This study mainly analyzed maize NAC transcription factor family genes by bioinformatics method of maize, including sequence, NAC domain, molecular weight coefficient, gene sequence, aliphatic amino acid index,isoelectric point, total average hydrophobicity index, and then built the system of evolutionary tree and the NAC base sequence general of maize. Results showed that NAC transcription factor family in maize contained 190 proteins, which could be divided into 13 families. There might be 29 NAC genes related to the growth and development of maize, 27 NAC genes might be associated with its resisctance, and 6 NAC genes might be associated with the senescence and osmotic stress of maize. This study provided the basic information related to the function of NAC transcription factor gene in maize, which laid a foundation for further research on the biological function of NAC gene in maize, and had important theoretical and practical significance.