Jean-Michel Ane´ et al. [117] J. Liu, S. S. Miller, M. Graham, et al., “Recruitment of novel calcium-binding proteins for root nodule symbiosis in Med- icago truncatula,” Plant Physiology, vol. 141, no. 1, pp. 167– 177, 2006. [118] S. Henikoﬀ, T. Furuyama, and K. Ahmad, “Histone variants, nucleosome assembly and epigenetic inheritance,” Trends in Genetics, vol. 20, no. 7, pp. 320–326, 2004. [119] H. Javot, R. V. Penmetsa, N. Terzaghi, D. R. Cook, and M. J. Harrison, “A Medicago truncatula phosphate transporter in- dispensable for the arbuscular mycorrhizal symbiosis,” Pro- ceedings of the National Academy of Sciences of the United States of America, vol. 104, no. 5, pp. 1720–1725, 2007. [120] X. Li, Y. Song, K. Century, et al., “A fast neutron deletion mutagenesis-based reverse genetics system for plants,” Plant Journal, vol. 27, no. 3, pp. 235–242, 2001. [121] T. Colbert, B. J. Till, R. Tompa, et al., “High-throughput screening for induced point mutations,” Plant Physiology, vol. 126, no. 2, pp. 480–484, 2001. [122] C. M. McCallum, L. Comai, E. A. Greene, and S. Henikoﬀ, “Targeting induced local lesions IN genomes (TILLING) for plant functional genomics,” Plant Physiology, vol. 123, no. 2, pp. 439–442, 2000. [123] C. M. McCallum, L. Comai, E. A. Greene, and S. Henikoﬀ, “Targeted screening for induced mutations,” Nature Biotech- nology, vol. 18, no. 4, pp. 455–457, 2000. [124] H.-K. Choi, J.-H. Mun, D.-J. Kim, et al., “Estimating genome conservation between crop and model legume species,” Pro- ceedings of the National Academy of Sciences of the United States of America, vol. 101, no. 43, pp. 15289–15294, 2004. [125] H. Zhu, H.-K. Choi, D. R. Cook, and R. C. Shoemaker, “Bridging model and crop legumes through comparative ge- nomics,” Plant Physiology, vol. 137, no. 4, pp. 1189–1196, 2005. [126] H. Zhu, B. K. Riely, N. J. Burns, and J. M. Ane´, “Tracing non- legume orthologs of legume genes required for nodulation and arbuscular mycorrhizal symbioses,” Genetics, vol. 172, no. 4, pp. 2491–2499, 2006. [127] S. B. Cannon, L. Sterck, S. Rombauts, et al., “Legume genome evolution viewed through the Medicago truncatula and Lotus japonicus genomes,” Proceedings of the National Academy of Sciences of the United States of America, vol. 103, no. 40, pp. 14959–14964, 2006. [128] G. Endre, P. Kalo´ , Z. Kevei, et al., “Genetic mapping of the non-nodulation phenotype of the mutant MN-1008 in tetraploid alfalfa (Medicago sativa),” Molecular Genetics and Genomics, vol. 266, no. 6, pp. 1012–1019, 2001. [129] E. Limpens, C. Franken, P. Smit, J. Willemse, T. Bisseling, and R. Geurts, “LysM domain receptor kinases regulating rhizo- bial nod factor-induced infection,” Science, vol. 302, no. 5645, pp. 630–633, 2003. [130] P. Gepts, W. D. Beavis, E. C. Brummer, et al., “Legumes as a model plant family. Genomics for food and feed report of the cross-legume advances through genomics conference,” Plant Physiology, vol. 137, no. 4, pp. 1228–1235, 2005. [131] S. H. Hulbert, C. A. Webb, S. M. Smith, and Q. Sun, “Re- sistance gene complexes: evolution and utilization,” Annual Review of Phytopathology, vol. 39, pp. 285–312, 2001. [132] S. B. Cannon, H. Zhu, A. M. Baumgarten, et al., “Diver- sity, distribution, and ancient taxonomic relationships within the TIR and non-TIR NBS-LRR resistance gene subfamilies,” Journal of Molecular Evolution, vol. 54, no. 4, pp. 548–562, 2002. 11