Aux/IAA gene family is a kind of transcription factors in plants, which plays a regulatory role in the process of auxin regulating plant growth. In this study, the structural characteristics and gene expression patterns of Aux/IAA transcription factors in maize (Zea mays L.) were analyzed by bioinformatics method, and 32 Aux/IAA genes from Arabidopsis and 40 Aux/IAA genes from maize were screened for phylogenetic evolution. It was inferred that the gene family was an ancient and huge gene family by evolutionary tree. The numbers of Aux/IAA genes distributed on chromosome 3 and 6 are the largest. Subcellular localization prediction indicated that the gene family mainly played a role in the nucleus. Thermogram analysis showed that a small number of genes were highly expressed in specific tissues. In addition, GRMZM2G115357 was highly expressed under the condition of high osmotic pressure, which might play a role in the process of resistance to high osmotic stress in maize. The results of this study promote the understanding of Aux/IAA family genes and lay a foundation for the functional study of Aux/IAA family genes at the molecular level.

中文翻译：

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玉米Aux / IAA基因家族的生物信息学分析

Aux / IAA基因家族是植物中的一种转录因子，在植物生长素调节植物生长的过程中起着调节作用。在这项研究中，在玉米中的结构特点和AUX / IAA转录因子的基因表达模式（玉蜀黍L.），通过生物信息学方法分析，和32 AUX / IAA从基因拟南芥和40 AUX / IAA基因来自玉米筛选系统发育进化。从进化树可以推断出该基因家族是一个古老而庞大的基因家族。数AUX / IAA在3号和6号染色体上分布的基因最大。亚细胞定位预测表明该基因家族主要在细胞核中起作用。热谱分析表明，少数基因在特定组织中高表达。另外，GRMZM2G115357在高渗透压条件下高表达，可能在玉米抗高渗透胁迫的过程中发挥作用。这项研究的结果促进了对Aux / IAA家族基因的理解，为在分子水平上对Aux / IAA家族基因的功能研究奠定了基础。