为探究豆科植物结瘤与凯氏带形成关系，研究人员以百脉根为对象，发现两者存在重要联系，意义重大。 维管植物通过在细胞外空间形成一种名为凯氏带（Casparian strip）的屏障来调节水分和养分通过根部的流动。研究人员鉴定出了参与百脉根（Lotus japonicus，一种 ...

Plants need nitrogen to grow, but they can’t just grab it from the air like we do with oxygen. If the soil doesn’t have enough, farmers have to add fertilizers—an expensive and environmentally tricky ...

Scientists from the Max Planck Institute for Plant Breeding Research, the University of Cologne, and the University of ...