Genome-wide identification and expression profiling of the C2H2-type zinc finger protein transcription factor family in tobacco

Minglei Yang, Jiangtao Chao, Dawei Wang, Junhua Hu, Hua Wu, Daping Gong, Guanshan Liu

doi:10.16288/j.yczz.15-440

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Hereditas(Beijing) >

2016 , Vol. 38 >Issue 4: 337 - 349

DOI: https://doi.org/10.16288/j.yczz.15-440

Research Articles

Genome-wide identification and expression profiling of the C2H2-type zinc finger protein transcription factor family in tobacco

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1. Key Laboratory of Tobacco Genetic Improvement and Biotechnology, Tobacco Research Institute of Chinese Academy of Agricultural Science, Qingdao 266101, China;
2. Graduate School of Chinese Academy of Agricultural Science, Beijing 100081, Chinbr/a

Received date: 2015-10-21

Revised date: 2015-12-25

Online published: 2016-04-20

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Abstract

C2H2 zinc finger protein transcription factor family members have important biological functions in eukaryotes. They not only bind DNA and RNA, but also interact with proteins. In this study, 118 members of the tobacco C2H2 zinc finger protein transcription factor family were identified from the N. tabacum genome database by using Pfam, SMART and Blastp. The analyses of phylogenetic tree, physical and chemical properties, chromosomal mapping, gene structures, protein three-dimensional structures and tissue expression patterns were performed. The results suggested that the peptide length of different subfamily members is significantly different. Phylogenetic and motif analysis revealed that the C2H2 zinc finger protein transcription factor family members can be divided into 5 subfamilies and each member has at least one C2H2 motif. Genes of the family members are distributed across the 22 chromosomes. C2H2 zinc finger protein transcription factor family members are expressed in different tissues although some have higher expression levels in leaves and roots. This study will be helpful for further analysis of the C2H2 zinc finger family proteins in other plants.

Key words： C2H2 zinc finger protein transcription factor; tobacco; gene family

Cite this article

Minglei Yang, Jiangtao Chao, Dawei Wang, Junhua Hu, Hua Wu, Daping Gong, Guanshan Liu . Genome-wide identification and expression profiling of the C2H2-type zinc finger protein transcription factor family in tobacco[J]. Hereditas(Beijing), 2016 , 38(4) : 337 -349 . DOI: 10.16288/j.yczz.15-440

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