开花起始基因决定玉米雄穗的节位
Flowering Initiation Genes Determine the Node for Inflorence-Ear in Zea Mays L.
作者信息
Arkhestova D Kh, Kochieva E Z, Shchennikova A V
机构信息
Institute of Bioengineering, Federal Research Center "Fundamentals of Biotechnology" of the Russian Academy of Sciences, Moscow, Russia.
Institute of Agriculture-branch of the Kabardino-Balkarian Scientific Center of the Russian Academy of Sciences, Nalchik, Russia.
出版信息
Dokl Biochem Biophys. 2025 Sep 14. doi: 10.1134/S1607672925600320.
The expression profile of key genes regulating flowering initiation (ID1, DLF1, ZCN6, ZCN7, and ZCN8) of Zea mays L. was determined in the leaf axils of the reproductive and adjacent nodes during the flowering initiation. The similarity of the inter-node dynamics of the ID1, DLF1, ZCN7, and ZCN8 gene expression was shown throughout the entire measurement period. It was determined that ~10 days before visual detection of the inflorescence meristem, the expression of the flowering activator genes ID1, DLF1, ZCN7, and ZCN8 significantly increased in the reproductive node compared to the adjacent nodes, while the flowering inhibitor gene ZCN6 expression decreased to trace values at all nodes.
在玉米开花起始期，测定了调控玉米（Zea mays L.）开花起始的关键基因（ID1、DLF1、ZCN6、ZCN7和ZCN8）在生殖节和相邻节叶腋中的表达谱。在整个测量期间，ID1、DLF1、ZCN7和ZCN8基因表达的节间动态相似性得以体现。结果表明，在肉眼检测到花序分生组织前约10天，与相邻节相比，生殖节中开花激活基因ID1、DLF1、ZCN7和ZCN8的表达显著增加，而开花抑制基因ZCN6在所有节中的表达均降至微量值。
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