新型植物激素独脚金内酯（Strigolactone）调控西瓜耐涝性的分子机理研究

独脚金内酯（Strigolactone）是一类新定义的可抑制植物侧枝生长的新激素，在植物的生长发育及胁迫响应方面具有多重功能。本项目前期研究发现，独脚金内酯可能参与调控西瓜的耐涝反应。在此基础上，我们拟以不同耐涝性西瓜为研究对象，分析它们在独脚金内酯及其合成抑制剂作用下的耐涝表型及相关基因表达变化，从而研究独脚金内酯参与调控西瓜耐涝性的分子证据及其作用机制，并进一步分析独脚金内酯与乙烯在耐涝反应中的相互作用以及调控网络，揭示独脚金内酯调控西瓜耐涝性的分子机理。

Strigolactones (SLs) are recently defined phytochromones that control plant shoot architecture by inhibiting the outgrowth of axillary buds. In our previous study, we found that SLs might involve in the waterlogging-response in watermelon. Thus, we are trying to answer the following questions via the researches in this project: Firstly, whether and how the SLs function on waterlogging-tolerance in watermelon? Second, which downstream genes were involved in SL function on waterlogging-tolerance? Then, whether and how the SL interacts with ethylene in waterlogging response? The outcome of this study will provide us new insights of the molecular mechanism of SL function on waterlogging-tolerance in watermelon.