Genome-Wide Identification and Expression Analysis of the MADS Gene Family in Tulips (Tulipa gesneriana)

文献类型： 外文期刊

第一作者： Lu, Jiaojiao

作者： Lu, Jiaojiao;Qu, Lianwei;Xing, Guimei;Liu, Zhenlei;Lu, Xiaochun;Lu, Jiaojiao;Han, Xiaori

作者机构：

关键词： MADS; gene expression; cold response; phylogeny; tulip

期刊名称：GENES （ 影响因子：3.5； 五年影响因子：3.9 ）

ISSN：

年卷期： 2023 年 14 卷 10 期

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收录情况： SCI

摘要： To investigate the cold response mechanism and low temperature regulation of flowering in tulips, this study identified 32 MADS-box transcription factor family members in tulips based on full-length transcriptome sequencing, named TgMADS1-TgMADS32. Phylogenetic analysis revealed that these genes can be divided into two classes: type I and type II. Structural analysis showed that TgMADS genes from different subfamilies have a similar distribution of conserved motifs. Quantitative real-time PCR results demonstrated that some TgMADS genes (e.g., TgMADS3, TgMADS15, TgMADS16, and TgMADS19) were significantly upregulated in buds and stems under cold conditions, implying their potential involvement in the cold response of tulips. In summary, this study systematically identified MADS family members in tulips and elucidated their evolutionary relationships, gene structures, and cold-responsive expression patterns, laying the foundation for further elucidating the roles of these transcription factors in flowering and the cold adaptability of tulips.

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