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Open AccessArticle

Identification and Expression Analyses of SBP-Box Genes Reveal Their Involvement in Abiotic Stress and Hormone Response in Tea Plant (Camellia sinensis)

College of Horticulture, Key Laboratory of Tea Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
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Int. J. Mol. Sci. 2018, 19(11), 3404; https://doi.org/10.3390/ijms19113404
Received: 14 September 2018 / Revised: 26 October 2018 / Accepted: 28 October 2018 / Published: 30 October 2018
(This article belongs to the Section Molecular Genetics and Genomics)
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Abstract

The SQUAMOSA promoter binding protein (SBP)-box gene family is a plant-specific transcription factor family. This family plays a crucial role in plant growth and development. In this study, 20 SBP-box genes were identified in the tea plant genome and classified into six groups. The genes in each group shared similar exon-intron structures and motif positions. Expression pattern analyses in five different tissues demonstrated that expression in the buds and leaves was higher than that in other tissues. The cis-elements and expression patterns of the CsSBP genes suggested that the CsSBP genes play active roles in abiotic stress responses; these responses may depend on the abscisic acid (ABA), gibberellic acid (GA), and methyl jasmonate (MeJA) signaling pathways. Our work provides a comprehensive understanding of the CsSBP family and will aid in genetically improving tea plants. View Full-Text
Keywords: Camellia sinensis; SBP-box; abiotic stress; hormone; expression profile Camellia sinensis; SBP-box; abiotic stress; hormone; expression profile
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Wang, P.; Chen, D.; Zheng, Y.; Jin, S.; Yang, J.; Ye, N. Identification and Expression Analyses of SBP-Box Genes Reveal Their Involvement in Abiotic Stress and Hormone Response in Tea Plant (Camellia sinensis). Int. J. Mol. Sci. 2018, 19, 3404.

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