Comparative transcriptomic analyses of normal and peloric mutant flowers in Cymbidium goeringii Rchb.f identifies differentially expressed genes associated with floral development
文献类型： 外文期刊
作者： Shen, Qi 2 ; Chen, Yue 1 ; Sun, Junwei 3 ; Liu, Qian 4 ; Sun, Chongbo 1 ;
作者机构： 1.Zhejiang Acad Agr Sci, Inst Hort, Hangzhou, Zhejiang, Peoples R China
2.Zhejiang Acad Agr Sci, Plant Protect & Microbiol, Hangzhou, Zhejiang, Peoples R China
3.China Jiliang Univ, Coll Modern Sci & Technol, Hangzhou 310018, Peoples R China
4.Nanjing Forestry Univ, Inst Landscape Architecture, Nanjing, Jiangsu, Peoples R China
关键词： Cymbidium geringii; Differentially expressed genes; Normal flowers; Peloric mutant flowers; Phytohormone; Transcriptome
期刊名称：MOLECULAR BIOLOGY REPORTS （ 影响因子：2.316； 五年影响因子：2.357 ）
ISSN： 0301-4851
年卷期： 2021 年 48 卷 3 期
页码：
收录情况： SCI
摘要： Cymbidium geringii has high ornamental and economic importance. Its traits, including flower shape, size, and color, are highly sought by orchid breeders. Gaining insights into the molecular basis of C. geringi flower development would accelerate genetic improvement of other orchids. Methods and Results: Here, C. goeringii RNA was purified from normal and peloric mutant flowers, and cDNA libraries constructed for Illumina sequencing. We generated 329,156,782 clean reads, integrated them, and then assembled into 236,811 unigenes averaging 595 bp long. A total of 11,992 differentially expressed genes s, of which 6119 were upregulated and 5873 downregulated, were uncovered in peloric mutant flower buds relative to normal flower buds. Kyoto Encyclopedia of Genes and Genomes enrichment assessments posited that these differentially expressed genes are associated with "Photosynthesis", "Linoleic acid metabolism", as well as "Plant hormone signal transduction" cascades. The DEGs were designated to 12 remarkably enriched GO terms, and 16 cell wall associated GO terms. The expression level of 16 determined genes were verified using RT-qPCR. Conclusions: Our gene expression data may be used to study the regulatory mechanism of flower organ development in C. geringi.
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