Duplicate and Conquer: Multiple Homologs of PHOSPHORUS-STARVATION TOLERANCE1 Enhance Phosphorus Acquisition and Sorghum Performance on Low-Phosphorus Soils, Hufnagel B., de Sousa S. M., Assis L., Guimaraes C. T., Leiser W., Azevedo G. C., Negri B., Larson B. G., Shaff J. E., Pastina M. M., Barros B. A., Weltzien E., Rattunde H. F. W., Viana J. H., Clark R. T., Falcao A., Gazaffi R., Garcia A. A. F., Schaffert R. E., Kochian L. V., and Magalhaes J. V., PLANT PHYSIOLOGY, Jan-10-2014, Volume 166, Issue 2, p.659 - 677 (2014)