Abstract
Teosinte branched1/cycloidea/proliferating cell factor1 (TCP) proteins are a large family of transcriptional regulators in angiosperms. They are involved in various biological processes, including development and plant metabolism pathways. In this study, a total of 52 TCP genes were identified in apple (Malus domestica) genome. Bioinformatic methods were employed to predicate and analyse their relevant gene classification, gene structure, chromosome location, sequence alignment and conserved domains of MdTCP proteins. Expression analysis from microarray data showed that the expression levels of 28 and 51 MdTCP genes changed during the ripening and rootstock–scion interaction processes, respectively. The expression patterns of 12 selected MdTCP genes were analysed in different tissues and in response to abiotic stresses. All of the selected genes were detected in at least one of the tissues tested, and most of them were modulated by adverse treatments indicating that the MdTCPs were involved in various developmental and physiological processes. To the best of our knowledge, this is the first study of a genomewide analysis of apple TCP gene family. These results provide valuable information for studies on functions of the TCP transcription factor genes in apple.
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Acknowledgements
This work was supported by the Open Project Programme of the State Key Laboratory of Crop Biology (grant no. 2013KF07), and the Open Project Programme of Key Laboratory of Biology and Molecular Biology in University of Shandong (Weifang University) (grant no. 2012SWKF01) in China.
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Xu R., Sun P., Jia F., Lu L., Li Y., Zhang S. and Huang J. 2014 Genomewide analysis of TCP transcription factor gene family in Malus domestica. J. Genet. 93, xx–xx
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XU, R., SUN, P., JIA, F. et al. Genomewide analysis of TCP transcription factor gene family in Malus domestica . J Genet 93, 733–746 (2014). https://doi.org/10.1007/s12041-014-0446-0
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DOI: https://doi.org/10.1007/s12041-014-0446-0