番茄WOX转录因子家族的鉴定及其进化、表达分析

doi:10.16288/j.yczz.15-499

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HEREDITAS(Beijing) ›› 2016, Vol. 38 ›› Issue (5): 444-460.doi: 10.16288/j.yczz.15-499

• Research Articles • Previous Articles Next Articles

Genome-wide identification, phylogenetic analysis and expression profiling of the WOX family genes in Solanum lycopersicum

Xiaoxu Li¹, Cheng Liu^{1, 2}, Wei Li¹, Zenglin Zhang¹, Xiaoming Gao¹, Hui Zhou^{1, 3}, Yongfeng Guo¹

1. Key Laboratory of Tobacco Gene Resources, Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao 266101, China;
2. Qujing Tobacco Company of Yunnan, Qujing 655000, China;
3. Etsong Qingdao Industrial Co., Ltd., Qingdao 266101, China

Received:2015-12-14 Revised:2016-01-22 Online:2016-05-20 Published:2016-04-05

Abstract

Abstract: Members of the plant-specific WOX transcription factor family have been reported to play important roles in cell to cell communication as well as other physiological and developmental processes. In this study, ten members of the WOX transcription factor family were identified in Solanum lycopersicum with HMMER. Neighbor-joining phylogenetic tree, maximum-likelihood tree and Bayesian-inference tree were constructed and similar topologies were shown using the protein sequences of the homeodomain. Phylogenetic study revealed that the 25 WOX family members from Arabidopsis and tomato fall into three clades and nine subfamilies. The patterns of exon-intron structures and organization of conserved domains in Arabidopsis and tomato were consistent based on the phylogenetic results. Transcriptome analysis showed that the expression patterns of SlWOXs were different in different tissue types. Gene Ontology (GO) analysis suggested that, as transcription factors, the SlWOX family members could be involved in a number of biological processes including cell to cell communication and tissue development. Our results are useful for future studies on WOX family members in tomato and other plant species.

Key words: Solanum lycopersicum, bioinformatics analysis, WOX family

Xiaoxu Li, Cheng Liu, Wei Li, Zenglin Zhang, Xiaoming Gao, Hui Zhou, Yongfeng Guo. Genome-wide identification, phylogenetic analysis and expression profiling of the WOX family genes in Solanum lycopersicum[J]. HEREDITAS(Beijing), 2016, 38(5): 444-460.

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Genome-wide identification, phylogenetic analysis and expression profiling of the WOX family genes in Solanum lycopersicum

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