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How Plants Find Their Symbiotic Partners
A root hair (blue) grows around the symbiotic bacteria (red). Photo: Pengbo Liang/University of Freiburg
What would it be like to produce fertilizer in your own basement? Leguminous plants, like peas, beans, and various species of clover, obtain the organic nitrogen they need for their growth from symbiotic soil bacteria via specialized structures in their roots. A team led by the cell biologist Prof. Dr. Thomas Ott from the University of Freiburg’s Faculty of Biology has now detected a factor in the root cells that the plants need for the initial contact with these so-called root-associated bacteria, which live in the soil. They discovered a protein found only in legumes called symbiotic formin 1 (SYFO1) and demonstrated the essential role it plays in symbiosis. Together with the molecular biologist Prof. Dr. Robert Grosse University of Freiburg’s Faculty ....

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