文献类型：期刊文献

英文题名：Transcriptome Analysis Reveals the Molecular Mechanisms Associated with Flower Color Formation in Camellia japonica ‘Joy Kendrick’

作者：Yu, Suhang[1,2] Liu, Weixin[2] Ni, Sui[1] Li, Jiyuan[2]

第一作者：Yu, Suhang

机构：[1] School of Marine Sciences, Ningbo University, Ningbo, 315800, China; [2] Key Laboratory of Tree Breeding of Zhejiang Province, Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou, 311400, China

年份：2023

卷号：14

期号：1

外文期刊名：Forests

收录：EI(收录号：20230513454556);Scopus(收录号：2-s2.0-85146751485)

语种：英文

外文关键词：Color - Genes - Plants (botany) - Signal transduction

摘要：Camellia japonica is a woody flower with high ornamental and economic value used for landscaping and as a pot plant. Floral colors are among the most important ornamental traits of flower plants, particularly multicolored flowers. The C. japonica cultivar ‘Joy Kendrick’ has multicolored flowers; the corolla is pink with darker red stripes, but the molecular mechanism underlying this trait is unknown. Here, pigment analysis showed that there are more anthocyanins accumulate in red petal regions than in pink areas, which may be key to formation of red stripes. Furthermore, transcriptome analysis revealed that anthocyanin biosynthesis, modification, and transporter genes are highly expressed in red stripes, consistent with the observed anthocyanin accumulation. In addition, many plant hormone signal transduction genes, particularly auxin, may contribute to the regulation of red stripe formation. This study provides broad insights into pigment accumulation and the regulatory mechanisms underlying floral color formation in C. japonica, and lays a foundation for breeding new C. japonica varieties. ? 2022 by the authors.