The RAP1 Gene Confers Effective, Race-Specific Resistance to the Pea Aphid in Medicago truncatula Independent of the Hypersensitive Reaction oleh Sophie Alice Stewart, Simon Hodge, Nurul Ismail, John W. Mansfield, Bart J. Feys, Jean-Marie Prospéri, Thierry Huguet, Cécile Ben, Laurent Gentzbittel, Glen Powell