1. Shulman RG, Brown TR, Ugurbil K, Ogawa S, Cohen SM, den Hollander JA. Cellular applications of 31P and 13C nuclear magnetic resonance. Science. 1979;205:160–166. DOI: 10.1126/science.36664
2. Rao NN, Roberts MF, Torriani A, Yashphe J. Effect of glpT and glpD mutations on expression of the phoA gene in Escherichia coli. J Bacteriol. 1993;175:74–79.
3. Xavier KB, Kossmann M, Santos H, Boos W. Kinetic analysis by in vivo 31P nuclear magnetic resonance of internal Pi during the uptake of sn-glycerol-3-phosphate by the pho regulon-dependent Ugp system and the glp regulon-dependent GlpT system. J Bacteriol. 1995;177:699–704.
4. Hsieh YJ, Wanner BL. Global regulation by the seven-component Pi signaling system. Curr Opin Microbiol. 2010;13:198–203. DOI: 10.1016/j.mib.2010.01.014
5. Wanner BL. Phosphorous assimilation and control of the phosphate regulon. In: Neidhardt FC, Curtiss III R, Ingraham JL, Lin ECC, Low KB, Magasanik B, et al., editors. Escherichia coli and Salmonella: cellular and molecular biology. 2nd ed. Washington, D.C.: ASM Press; 1996. p. 1357–1381.