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The Function of BBX Gene Family under Multiple Stresses in Nicotiana tabacum

文献类型： 外文期刊

作者： Song, Kangkang 1 ; Bin Li 1 ; Wu, Hui 3 ; Sha, Yuxue 1 ; Qin, Liting 1 ; Chen, Xingyun 1 ; Liu, Ying 1 ; Tang, Heng 1 ; Yang, Long 1 ;

作者机构： 1.Shandong Agr Univ, Coll Plant Protect, Tai An 271018, Shandong, Peoples R China

2.Shandong Agr Univ, Agr Big Data Res Ctr, Tai An 271018, Shandong, Peoples R China

3.Chinese Acad Agr Sci, Inst Environm & Sustainable Dev Agr, Beijing 100081, Peoples R China

4.Minist Agr & Rural Affairs, Key Lab Dryland Agr, Beijing 100081, Peoples R China

5.Univ Liege, Gembloux Agrobio Tech, AgriculturelsLife, Passage Deportes 2, B-5030 Gembloux, Belgium

关键词： Nicotiana tabacum; BBX gene family; expression patterns; stress

期刊名称：GENES （ 影响因子：4.141； 五年影响因子：4.474 ）

ISSN：

年卷期： 2022 年 13 卷 10 期

页码：

收录情况： SCI

摘要： B-box (BBX) is a zinc finger transcription factor, which is involved in regulating the growth and development of plants and resisting various stresses. In this study, 43 NtBBX genes were identified and divided into five subgroups in tobacco. The members in each subgroup had similar characteristics. The promoter region of NtBBX genes had cis-acting elements related to light response, hormone regulation and stress response. Transcriptome analysis showed that NtBBX30 was significantly up-regulated, and NtBBX12, NtBBX13, NtBBX16 and NtBBX17 were significantly down-regulated under abiotic stresses. The NtBBX genes also responded to the infection of Ralstonia solanacearum. NtBBX9, NtBBX1, NtBBX15 and NtBBX17 showed the greatest response under stresses. The NtBBX genes are expressed in various degrees under different tissues. This research will provide a solid foundation for further study of the biological function of NtBBX genes in tobacco.

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