Fabiano E. and A. Arias. 1991. Competition between a native isolate of Rhizobium leguminosarum bv trifolii and two commercial inoculant strains for nodulation of clover. Plant and Soil. 137: 293-296.

 Stephan M.P., Oliveira M., Teixeira K.R.S., Martinez-Drets G., and Döbereiner J. 1991. Physiology and dinitrogen fixation of Acetobacter diazotrophicus. FEMS Microbiol. 77 : 67-72.

 Batista S., Castro S., Aguilar O.M., and Martinez-Drets G. 1992. Induction of C4-dicarboxylate transport genes by external stimuli in Rhizobium meliloti. Can.J.Microbiol. 38 : 51-55.

 Monza, J., E. Fabiano  and A. Arias. 1992. Characterization of an indigenous population of rhizobia nodulating Lotus corniculatus. Soil Biol. Biochem. 24: 241-247.

 Batista S., Castro S., Ubalde M., and Martinez-Drets G. 1994. Effect of divalent cations on succinate transport in Rhizobium tropici, R. leguminosarum bv phaseoli and R. loti. W.J. Microbiol. 10 : 249-255.

 Fabiano E., Gualtieri G., Pritsch C., Polla G. and A. Arias. 1994. Extent of a high-affinity iron transport system in field-isolates of rhizobia. Plant and Soil 164:177-185.

 Alvarez B. and Martinez-Drets G. 1995. Metabolic characterization of Acetobacter diazotrophicus. Can.J.Microbiol. 41 : 918-924.

 Fabiano E., Gill P., Noya F., Bagnasco P., De La Fuente L. and A. Arias.1995 Siderophore-mediated iron acquisition mutants in Rhizobium meliloti 242 and its effect on the nodulation kinetic of alfalfa nodules.Symbiosis 19:197-211.

Ureta A., Alvarez B., Ramón A., Vera M.A., and Martinez-Drets G. 1995. Identification of cetobacter diazotrophicus, Hebaspirillum seropedicae and Herbaspirillum rubrisubalbicans and genetic criteria. Plant and Soil. 172 : 271.277.

 Volpin H., Burdman S., Castro S., Kapulnik Y., and Okon Y. 1996. Inoculation with Azospirillum increased exudation of rhizobial nod-gene inducers by alfalfa roots. MPMI 5 : 388-394.

Chernin, L. S., L. De La Fuente, V. Sobolev, S. Haran, C. Vorgias, A. B. Oppenheim and I. Chet. 1996. Molecular cloning, structural analysis, and expression in Escherichia coli of a chitinase gene from Enterobacter agglomerans. Appl. Environ. Microbiol. 63: 834-839.

 Noya, F., A. Arias, and E. Fabiano. 1997. Heme compounds as iron sources for nonpathogenic Rhizobium bacteria. J. Bacteriol. 179:3076-3078.

 Bagnasco P., De La Fuente, L., Gualtieri, G., Noya, F., and A. Arias. 1998. Fluorescent Pseudomonas spp. as biocontrol agents against forage legume root pathogenic fungi. Soil Biol. Biochem. 30:1317-1322.

 Del Papa F., Balagué L., Castro S., Wegener, C., Segundo, E., Martine-Abarca F., Toro N., Niehaus K., Puhler A., Martinez-Drets G. and Lagares A. 1999. Isolation and characterization of alfalfa nodulationg rhizobia present in acid soil of Central Argentina and Uruguay. Appl. Environ. Microbiol. 65: 1420-1427.

Segundo E., Martínez-Abarca, F., van Dillewijn, P., Fernández-López, M., Lagares, A., Martínez-Drets, G., Niehaus, K., Pühler, A. and Toro, N. 1999. Characterization of symbiotycally efficient alfalfa-nodulating rhizobia isolated from acid soils of Argentina and Uruguay. FEMS Microbiol. Ecol. 28: 169-176.

Castro, S., Carrera, I. and Martínez-Drets, G. 2000. Methods to evaluate nodulation competitiveness between Sinorhizobium meliloti strains using melanin production as a marker. Journal of Microbiological Methods.41: 173-177.

Batista, S., Catalán, A., Hernández-Lucas, I., Martínez-Romero, E., Aguilar, M. and Martinez-Drets, G. 2000. Identification of a system that allows a Rhizobium meliloti tropici dctA mutant to grow on succinate, but not on other C4-dicarboxylates. Aceptado para su publicación en Canadian Journal of Microbiology.

Platero, R., Battistoni, F., Arias, A. and Fabiano, E. 2000. Sinorhizobium meliloti 242 iron acquisition loci map in rhrA, rhtA, sitB and sitD like genes. Enviado para su publicación.

De La Fuente, L., Quagliotto, L., Bajsa, N., Fabiano, E., Altier, N. y Arias, A. 2000. Inoculation with Pseudomona fluorescens biocontrol strain UP61 does not affect the symbiosis between rhizobia and forage legumes. Enviado para su publicación.