Identification and Analysis of the Catalase Gene Family Response to Abiotic Stress in Nicotiana tabacum L.

被引：7

作者：

Liu, Zhonghui ^{[1
]}

Wang, Di ^{[1
]}

Tang, Heng ^{[1
]}

Li, Haozhen ^{[1
]}

Zhang, Xiaohua ^{[1
]}

Dong, Shaolin ^{[1
]}

Zhang, Li ^{[1
]}

Yang, Long ^{[1
]}

机构：

[1] Shandong Agr Univ, Coll Plant Protect, Agr Big Data Res Ctr, Tai An 271002, Peoples R China

来源：

AGRONOMY-BASEL | 2023年 / 13卷 / 03期

关键词：

Nicotiana tabacum L; catalase; gene family; environmental; stress; ARABIDOPSIS-THALIANA; ASCORBATE PEROXIDASE; EXPRESSION; PLANTS; VISUALIZATION; DROUGHT; TOBACCO;

D O I：

10.3390/agronomy13030936

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Catalase (CAT) is an enzyme encoded by the catalase gene family that plays an important role in the removal of reactive oxygen species. In this study, seven CAT genes were identified in Nicotiana tabacum L. and were classified into three groups. Gene structure analysis revealed that NtCAT1-6 has six or seven introns while NtCAT7 only contains one. The relative position of introns in NtCAT1 and NtCAT2 had high similarity. Tissue-specific analysis shows that NtCAT1-4 were expressed intensively in the shoot while NtCAT5 and NtCAT6 were in the root. NtCAT7 expression was influenced by circadian rhythms. NtCATs expression had the greatest change under drought stress. Additionally, expression of NtCAT5, NtCAT6 and NtCAT7 were upregulated under cold stress but downregulated under drought and salt stress. This study will help in understanding the behavior of CAT genes during environmental stress in tobacco.

引用

页数：13

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