Maria Gabriela Rivas

Assistant Researcher, REQUIMTE/FCT-UNL
Email: m.rivas(at)
Tel: + 351 21 294 83 00, ext. 10967
Webpage: webpage

Research Activities - Keywords
• Molybdenum and Tungsten containing proteins: structure and function
• Evaluation of the changes produced in the Desulfovibrio metabolism by molybdate/tungstate stress conditions
• Kinetic studies on Mo and W-containing enzymes
• Cloning and expression of Mo- and W-proteins
• Purification of native and recombinant proteins
• EPR spectroscopy of Mo and W-proteins

Recent Publications can be found here

Selected References
Effects of molybdate and tungstate on expression levels and biochemical characteristics of formate dehydrogenases produced by Desulfovibrio alaskensis NCIMB 13491
CS Mota, Valette O, González PJ, Brondino CD, Moura JJG, Moura I, Dolla A, Rivas MG
J Bacteriol (2011) 193:2917-2923

The mechanism of formate oxidation by metal-dependent formate dehydrogenases
CS Mota, Rivas MG, Brondino CD, Moura I, Moura JJG, Gonzalez PJ, Cerqueira NMFSA
J Inorg Biochem (2011) 16:1255–1268

Isolation and characterization of a new Cu-Fe protein from Desulfovibrio aminophilus DSM12254
MG Rivas, Mota CS, Pauleta SR, Carepo MSP, Folgosa F, Andrade SLA, Fauque G, Pereira AS, Tavares P, Calvete JJ, Moura I, Moura JJG
J Inorg Biochem (2009) 103:1314-1322

Molybdenum induces the expression of a protein containing a new heterometallic Mo-Fe cluster in Desulfovibrio alaskensis
MG Rivas, Carepo MSP, Mota CS, Korbas M, Durand MC, Lopes AT, Brondino CD, Pereira AS, George GN, Dolla A, Moura JJG, Moura I
Biochemistry (2009) I48: 873-882

EPR characterization of the molybdenum(V) forms of formate dehydrogenase from Desulfovibrio desulfuricans ATCC 27774 upon formate reduction
MG Rivas, González PJ, Brondino CD, Moura JJG, Moura I
J Inorg Biochem (2007) 101:1617-1622

Structural and EPR studies of mononuclear molybdenum enzymes from sulfate reducing bacteria
CD Brondino, Rivas MG, Romão MJ, Moura JJG, Moura I
Acc Chem Res (2006) 39:788-796

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