Dynamical baryon resonances from chiral unitarity
  We report on the latests developments in the field of baryonic resonances generated from the meson-baryon interaction in coupled channels using a chiral unitary approach. The collection of resonances found in different strangeness and isospin sectors can be classified into SU(3) multiplets. The Lambda(1405) emerges as containing the effect of two poles of the scattering amplitude and various reactions that might preferentially select one or the other pole are discussed. 
A. Ramos, C. Bennhold, A. Hosaka, T. Hyodo, D. Jido, U. G. Meissner,   J. A. Oller, E. Oset and M. J. Vicente-Vacas