Genome-Wide Gene Expression Profiles of Orange and White Leafy Head Chinese Cabbage (Brassica rapa L. ssp. pekinensis) during the Summer Production Season
文献类型： 外文期刊
作者： Zhang, Y. 1 ; Li, X. 1 ; Ding, Q. 1 ; Li, J. J. 1 ; Wang, F. D. 1 ; Gao, J. W. 1 ;
作者机构： 1.Shandong Acad Agr Sci, Inst Vegetables & Flowers, Jinan 250100, Shandong, Peoples R China
2.Shandong Key Lab Greenhouse Vegetable Biol, Jinan 250100, Shandong, Peoples R China
3.Natl Vegetable Improvement Ctr, Shandong Branch, Jinan 250100, Shandong, Peoples R China
4.Shandong Normal Univ, Life Sci Coll, Jinan 250014, Shandong, Peoples R China
关键词： Brassica rapa; Chinese cabbage; orange head; heat stress; RNA-seq
期刊名称：RUSSIAN JOURNAL OF PLANT PHYSIOLOGY （ 影响因子：1.481； 五年影响因子：1.608 ）
ISSN： 1021-4437
年卷期： 2019 年 66 卷 3 期
页码：
收录情况： SCI
摘要： The orange color of the inner leaves of Chinese cabbage (Brassica rapa L. ssp. pekinensis) is attributed to the high content of carotenoids, which is controlled by a single recessive gene, BrCRTISO (Br-or). Due to the important roles of carotenoids in human, the orange color of inner leaves is a desirable agronomic trait for Chinese cabbage breeding. However, Chinese cabbages with orange inner leaves are more susceptive to plant disease and insect pests. To understand the molecular mechanisms of abnormal carotenoid metabolism of B. rapa during the summer production season, we employed RNA-seq to analyze the differentially expressed genes between the F2 populations of an orange Chinese cabbage cultivar (14-490) and a white Chinese cabbage cultivar (14-401). A total of 30768 genes were detected, among which, 175 genes, including 44up-regulated genes and 131 down-regulated genes, were differentially expressed between the orange and white F2 populations. Genes involved in cold response, wounding response, salt stress, defense response and drought stress were highlighted. In addition, other genes encoding transcription factors were also identified, including heat shock protein 70, WRKY70 and MYB34. Our study provides new insight into the regulatory network of gene expression in orange head Chinese cabbage during the summer production season. These response genes may be used for further strategy development of Chinese cabbage cultivars with high carotenoid content in summer planting.
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