Regulation of photosynthesis by phosphorus in Australia’s C3 and C4 tropical grasses

澳大利亚 C3 和 C4 热带草中磷对光合作用的调节

• 批准号: DP0449476
• 负责人: Prof Jann Conroy
• 金额: $ 14.62万
• 依托单位: Western Sydney University
• 依托单位国家: 澳大利亚
• 项目类别: Discovery Projects
• 财政年份: 2004
• 资助国家: 澳大利亚
• 起止时间: 2004-01-12 至 2007-06-30
• 项目状态: 已结题
• 来源: https://dataportal.arc.gov.au/RGS/Web/Grants/DP0449476
• 关键词: Regulation; photosynthesis; phosphorus; Australia; C3

Tropical grasses with distinctly different photosynthetic biochemistry (C3 and C4) dominate Australia's vast tropical grasslands. The soils of this ancient landscape are chronically low in the mineral nutrient phosphorus that plays a crucial role in regulating photosynthesis. The project will use an integrated experimental approach and novel techniques such as metabolomics to unravel and define the intricate mechanisms by which phosphorus regulates the complex photosynthetic biochemistry of C4 grasses. The new scientific knowledge generated by the project will be used for pasture management models to ensure that successful strategies are implemented to reduce soil loss from our fragile grasslands.

具有明显不同光合生物化学（C3 和 C4）的热带草类在澳大利亚广阔的热带草原上占主导地位。 这片古老景观的土壤中矿物质养分磷的含量长期较低，而磷在调节光合作用中起着至关重要的作用。 该项目将使用综合实验方法和代谢组学等新技术来阐明和定义磷调节 C4 草复杂光合生物化学的复杂机制。 该项目产生的新科学知识将用于牧场管理模型，以确保实施成功的战略，减少脆弱草原的土壤流失。