生长素在氮调控分枝中的作用。
The role of auxin in nitrogen-modulated shoot branching.
机构信息
State Key Laboratory of Crop Genetics and Germplasm Enhancement, Key Laboratory of Plant Nutrition and Fertilization in Low-Middle Reaches of the Yangtze River, Ministry of Agriculture, Nanjing Agricultural University, Nanjing, China.
Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China.
出版信息
Plant Signal Behav. 2021 Apr 3;16(4):1885888. doi: 10.1080/15592324.2021.1885888. Epub 2021 Feb 11.
Shoot branching is determined by axillary bud formation and outgrowth and remains one of the most variable determinants of yield in many crops. Plant nitrogen (N) acquired mainly in the forms of nitrate and ammonium from soil, dominates plant development, and high-yield crop production relies heavily on N fertilization. In this review, the regulation of axillary bud outgrowth by N availability and forms is summarized in plant species. The mechanisms of auxin function in this process have been well characterized and reviewed, while recent literature has highlighted that auxin export from a bud plays a critical role in N-modulating this process.
分枝的形成取决于侧芽的形成和生长，它仍然是许多作物产量最具可变性的决定因素之一。植物氮（N）主要以硝酸盐和铵盐的形式从土壤中获得，主导着植物的生长发育，高产作物的生产严重依赖于氮施肥。在这篇综述中，总结了氮供应和形态对植物物种侧芽生长的调节。生长素在这个过程中的作用机制已经得到了很好的描述和综述，而最近的文献强调了生长素从芽中的输出在 N 调节这个过程中起着关键作用。
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