1. Structure-function studies in metalloproteins:
(i)thermodynamic characterization and (ii) NMR solution structure determination.
2. Study of the electron transfer pathways of bacteria involved in removal of toxic and radionuclides metals.
3. Optimization of metalloproteins for Bioremediation using genetic engineering tools.
1. Morgado, L., Bruix, M., Orshonsky, V., Londer, Y.Y., Duke, N.E., Yang, X., Pokkuluri, P.R., Schiffer, M., Salgueiro, C.A. (2008) Structural insights into the modulation of the redox properties of two Geobacter sulfurreducens homologous triheme cytochromes, Biochim. Biophys. Acta 1777, 1157-1165.
2. Paixão, V.B., Salgueiro, C.A., Brennan, L., Reid, G.A., Chapman, S-K., Turner, D.L. (2008) Solution structure of a tetrahaem cytochrome from Shewanella frigidimarina reveals a novel family structural motif, Biochemistry 47,11973-11980.
3. Pokkuluri, P.R., Londer, Y.Y., Wood, S.J., Duke, N.E., Morgado, L., Salgueiro, C.A., Schiffer, M. (2009) Outer-membrane cytochrome-c, OmcF, from Geobacter sulfurreducens: High Structural Similarity to an Algal Cytochrome c6, Proteins 74,266-270.
4. Fonseca BM, Saraiva IH, Paquete CM, Soares CM, Pacheco I, Salgueiro CA, Louro RO. (2009) The tetraheme cytochrome from Shewanella oneidensis MR-1 shows thermodynamic bias for functional specificity of the hemes, J. Biol. Inorg. Chem. 14, 375-385
5. Pessanha, M., Rothery, E. L., Miles, C. S., Reid, G. A., Chapman, S. K., Louro,R. O., Turner, D. L., Salgueiro, C. A., Xavier, A. V. (2009) Tuning of functional heme reduction potentials in Shewanella fumarate reductases. Biochim. Biophys. Acta 1787, 113-120. .
6. Morgado L., Saraiva I.H., Louro R.O., Salgueiro C.A. (2010) Orientation of the axial ligands and magnetic properties of the hemes in the triheme ferricytochrome PpcA from G. sulfurreducens determined by paramagnetic NMR. FEBS Lett. 584, 3442-3445.
7. Catarino, T., Pessanha, M., De Candia, A.G., Gouveia, Z., Fernandes, A.P., Pokkuluri, P.R., Murgida, D., Marti, M.A., Todorovic, S., Salgueiro, C.A. (2010) Probing the chemotaxis periplasmic sensor domains from Geobacter sulfurreducens by combined Resonance Raman and Molecular Dynamic approaches: NO and CO sensing, J. Phys. Chem. B 114, 11251-11260.
8. Morgado L., Paixão V.B., Salgueiro C.A., Bruix M. (2011) Backbone, side chain and heme resonance assignments of the triheme cytochrome PpcA from Geobacter sulfurreducens. Biomol NMR Assign. 5, 113-116.
9. Pokkuluri, P.R., Londer, Y.Y, Duke, N., Pessanha, M., Yang, X., Orshonsky, V., Orshonsky, L., Erickson, J., Zagyansky, Y., Salgueiro, C.A., Schiffer, M. (2011) Structure of a novel dodecaheme cytochrome c from Geobacter sulfurreducens reveals an extended 12 nm protein with interacting hemes, J. Struct. Biol. 174, 223-233.
10. Qian X., Mester T., Morgado L., Arakawa T., Sharma M.L., Inoue K., Joseph C., Salgueiro C.A., Maroney MJ, Lovley DR. (2011) Biochemical characterization of purified OmcS, a c-type cytochrome required for insoluble Fe(III) reduction in Geobacter sulfurreducens. Biochim Biophys Acta 1807, 404-412.