1993-1995
1995
- NUCLEAR MAGNETIC RESONANCE: A NONINVASIVE TECHNIQUE IN THE STUDY OF LIFE PROCESSES IN SITU
H. Santos, P. Fareleira, A. Ramos, H. Pereira & M. Miranda
Revista Portuguesa de Química, 2, 3-11 (1995).
- MALATE METABOLISM BY Desulfovibrio gigas AND ITS LINK TO SULFATE AND FUMARATE REDUCTION: PURIFICATION OF THE MALIC ENZYME AND DETECTION OF NAD(P)+ TRANSHYDROGENASE ACTIVITY
L. Chen, J. LeGall, P. Fareleira, H. Santos & A. V. Xavier
Anaerobe, 1, 227-235 (1995).
- ACCUMULATION OF MANNOSYLGLYCERATE AND DI-MYO-INOSITOL-PHOSPHATE BY Pyrococcus furiosus IN RESPONSE TO SALINITY AND TEMPERATURE
L. O. Martins & H. Santos
Applied and Environmental Microbiology, 61, 3299-3303 (1995).
- COMPATIBLE SOLUTES IN THE THERMOPHILIC BACTERIA Rhodothermus marinus AND "Thermus thermophilus"
O. C. Nunes, C. M. Manaia, M. S. da Costa & H. Santos
Applied and Environmental Microbiology, 61, 2351-2357 (1995).
- ENZYME BASIS FOR pH REGULATION OF CITRATE AND PYRUVATE METABOLISM BY Leuconostoc oenos
A. Ramos, J. S. Lolkema, W. N. Konings & H. Santos
Applied and Environmental Microbiology, 61, 1303-1310 (1995).
- 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
K. B. Xavier, M. Kossmann, H. Santos & W. Boos
Journal of Bacteriology, 177, 699-704 (1995).
1994
- GLUCOSE FERMENTATION TO ACETATE AND ALANINE IN RESTING CELL SUSPENSIONS OF Pyrococcus furiosus: PROPOSAL OF A NOVEL GLYCOLYTIC PATHWAY BASED ON 13C LABELLING DATA AND ENZYME ACTIVITIES
T. Schäfer, K. B. Xavier, H. Santos & P. Schönheit
FEMS Microbiology Letters, 121, 107-114 (1994)
- AN UNUSUAL CONFORMATION OF THE METHIONINE HAEM LIGAND IN CYTOCHROME cL ESTABLISHED BY TWO-DIMENSIONAL 1H-NMR
H. S. Costa, H. Santos & D. L. Turner
European Journal of Biochemistry, 223, 783-789 (1994).
- UNIPORT OF ANIONIC CITRATE AND PROTON CONSUMPTION IN CITRATE METABOLISM GENERATES A PROTON MOTIVE FORCE IN Leuconostoc oenos
A. Ramos, B. Poolman, H. Santos, J. S. Lolkema & W. N. Konings
Journal of Bacteriology, 176, 4899-4905 (1994).
- IN VIVO NUCLEAR MAGNETIC RESONANCE IN STUDY OF PHYSIOLOGY OF SULFATE REDUCING BACTERIA
H. Santos, P. Fareleira, J. LeGall & A. V. Xavier
Methods in Enzymology, 243, 543-558 (1994).
- 13C-NUCLEAR MAGNETIC RESONANCE STUDIES OF CITRATE AND GLUCOSE COMETABOLISM BY Lactococcus lactis
A. Ramos, K. N. Jordan, T. M. Cogan & H. Santos
Applied and Environmental Microbiology, 60, 1739-1748 (1994).
- PHOTOCHROMISM OF THE SYNTHETIC 4',7-DEHYDROXYFLAVYLIUM CHLORIDE
P. Figueiredo, J. C. Lima, H. Santos, M.-C. Wigand, R. Brouillard, A. L. Maçanita & F. Pina
Journal of the American Chemical Society, 116, 1249-1254 (1994).
1993
- DETERMINATION OF THE METHIONINE HAEM LIGAND CONFORMATION IN CYTOCHROME cH FROM Methylophilus methylotrophus BY TWO DIMENSIONAL 1H-NMR
H. Santos & D. L. Turner
Magnetic Resonance in Chemistry, 31, S90-S95 (1993).
- TWO-DIMENSIONAL NMR OF PARAMAGNETIC METALLOPROTEINS
A. V. Xavier, D. L. Turner & H. Santos
Methods in Enzymology, 227, 1-17 (1993).
- EFFECTS OF THE SOURCE OF INORGANIC NITROGEN ON C AND N INTERACTION IN MAIZE CALLUS TISSUE: PHOSPHOENOLPYRUVATE CARBOXYLASE ACTIVITY, CYTOSOLIC pH AND 15N AMINO ACIDS
S. Amâncio, E. Diogo & H. Santos
Physiologia Plantarum, 89, 618-625 (1993).
- AEROBIC METABOLISM OF CARBON RESERVES BY THE "OBLIGATE ANAEROBE" Desulfovibrio gigas
H. Santos, P. Fareleira, A. V. Xavier, L. Chen, M.-Y. Liu & J. LeGall
Biochemical and Biophysical Research Communications, 195, 551-557 (1993).
- PURIFICATION AND CHARACTERIZATION OF AN NADH-RUBREDOXIN OXIDOREDUCTASE INVOLVED IN THE UTILIZATION OF OXYGEN BY Desulfovibrio gigas
L. Chen, M.-Y. Liu, J. LeGall, P. Fareleira, H. Santos & A. V. Xavier
European Journal of Biochemistry, 216, 443-448 (1993).
- CHARACTERIZATION OF THE HAEM ENVIRONMENT IN Methylophilus methylotrophus FERRICYTOCHROME c" BY 1H-NMR
H. S. Costa, H. Santos & D. L. Turner
European Journal of Biochemistry, 215, 817-824 (1993).
- ELUCIDATION OF THE MULTIPLE EQUILIBRIA OF MALVIN IN AQUEOUS SOLUTION BY ONE- AND TWO-DIMENSIONAL NMR
H. Santos, D. L. Turner, J. C. Lima, P. Figueiredo, F. S. Pina & A. L. Maçanita
Phytochemistry, 33, 1227-1232 (1993).
- PATHWAY AND REGULATION OF ERYTHRITOL FORMATION IN Leuconostoc oenos
M. Veiga da Cunha, H. Santos & E. van Schaftingen
Journal of Bacteriology, 175, 3941-3948 (1993).
- RUBREDOXIN OXIDASE, A NEW FLAVO-HEMO-PROTEIN, IS THE SITE OF OXYGEN REDUCTION TO WATER BY THE "STRICT ANAEROBE" Desulfovibrio gigas
L. Chen, M.-Y. Liu, J. LeGall, P. Fareleira, H. Santos & A. V. Xavier
Biochemical Biophysical Research Communications, 193, 100-105 (1993).
- PITFALLS IN ASSIGNING HEME AXIAL COORDINATION BY EPR: c-TYPE CYTOCHROMES WITH ATYPICAL MET-HIS LIGATION
M. Teixeira, A. P. Campos, A. P. Aguiar, H.S. Costa, H. Santos, D. L. Turner & A. V. Xavier
FEBS Letters, 317, 233-236 (1993).
- COMPARISON OF GLUCOSE FERMENTATION BY SUSPENDED AND GEL-ENTRAPPED YEAST CELLS: AN IN VIVO NMR STUDY
M. A. Taipa, J. M. S. Cabral & H. Santos
Biotechnology and Bioengineering, 41, 647-653 (1993).