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首页> 外文期刊>Plant Growth Regulation: An International Journal on Natural and Synthetic Regulators >Transcriptome analyses provide insights into development of the Zingiber zerumbet flower, revealing potential genes related to floral organ formation and patterning
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Transcriptome analyses provide insights into development of the Zingiber zerumbet flower, revealing potential genes related to floral organ formation and patterning

机译：转录组分析提供了Zingiber Zerumbet花的开发的见解，揭示了与花器官形成和图案相关的潜在基因

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摘要

The flower of Zingiber zerumbet is characterized by a distinctive labellum, a highly modified floral organ believed to be formed by the fusion of several infertile members of the androecial whorl (staminodes). Across the Zingiberaceae, the number of staminodes involved in labellum formation varies from two to four, and these are reflected in the number of lobes that comprise the mature labellum. Research on the flower development in Zingiberaceae has been limited to species with either no labellum lobes or species displaying a bilobed labellum. Zingiber zerumbet is a representative of the genus with a three-lobed labellum, and its flower development remains poorly understood at both morphological and molecular levels. This study aims to give a comprehensive description of its flower development and to identify potential genes related to flower development using morphological and genetic characterization. Our results show that floral organ initiation is sequential with the sepal whorl initiating first, followed by petal and inner androecium together, followed by outer androecium, and finally the initiation of the inferior gynoecium. The three-lobed labellum comprises four androecial members: Two abaxial inner androecial members fuse to form the single central lobe, and two adaxial outer androecial members individually form the two lateral lobes of the labellum. Two developmental stages (floral primordium and organ-differentiated flowers) were selected for transcriptome sequencing. Two-thousand and seventy-five transcription factors were identified. Seven boundary genes and seven organ-specific genes were also discovered. Our study provides fundamental information for further studies on the molecular mechanisms of flower development and evolution across the Zingiberaceae.
机译：Zingiber Zerumbet的花的特征在于一种独特的凸起，一种高度改性的花式器官，被认为是通过融合的Androechial螺纹（雄碱）的几种不育的融合来形成。在Zingiberaceae上，粘膜形成中所涉及的抑制率的数量从两到四个变化，并且它们反映在包含成熟唇缘的裂片的数量中。 Zingiberaceae的花卉发育研究仅限于种类，无唇疱疹或种类呈现Bilobed Labellum。 Zingiber Zerumbet是具有三裂唇缘的属的代表，其花卉发育在形态学和分子水平上仍然明显。本研究旨在综合描述其花卉发育，并使用形态学和遗传表征鉴定与花发育有关的潜在基因。我们的研究结果表明，花器官启动与首先启动的萼片启动顺序，然后将花瓣和内部androeCium在一起，其次是外部的androeCium，最后是初级雌核的开始。三裂唇缘包括四个androechial构件：两个附带内和谐构件熔断器以形成单一的中央叶，并且两个adaxial外越野构件单独形成唇缘的两个侧瓣。选择两种发育阶段（花卉原始和器官分化的花）用于转录组测序。确定了两千和七十五的转录因子。还发现了七个边界基因和七种机构特异性基因。我们的研究提供了关于进一步研究Zingiberaceae的花卉发育和演变的分子机制的基本信息。

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