Monday, 9th December 2019

Molecular ecology of extreme environments




Ricardo Amils




Research summary:

Molecular Ecology of Extreme Environments: This area of research has the following objectives:
- Acidophiles: conventional microbial ecology, molecular ecology, molecular biology and biotechnology (bioleaching, specific metal sequestering and phytoremediation) of extreme acidic environments (Río Tinto basin, different mine sites of the Iberian Pyritic Belt, río Agrio (Argentina), Antartica),

fig01-300  -------  fig02-300
Obtención de muestras del subsuelo en condiciones anaerobias.   CARD-FISH en una muestra de -284m de profundidad.

- Geomicrobiological characterization of extreme environments as habitability models: Tinto basin (Mars analogue), sulfide deposits from Antartica (Mars analogue), Tirez hypersaline lagoon and Uyuni salt lake (Europa analogues), both in collaboration with professor I. Marín (UAM), permafrost areas of Alaska (Mars analogue).
- Geomicrobiology of the Iberian Pyritic Belt (IPB) subsurface: characterization of the subsurface bioreactor responsible of the extreme acidic conditions of Río Tinto. This work is done in collaboration with the Centro de Astrobiología (ERC Project IPBSL)
- The line of microbial ecology of anaerobic environments directed by professor J.L. Sanz (UAM) is being developed in the facilities that the Department of Molecular Biology has in the Biology Building. This collaborative work is centred in the anaerobic activities detected in the different model systems studied by our group (Tinto basin, subsurface of the IPB).
Micology, This area of research directed by Dr. Aldo González has the following objectives:
- Molecular genetics and microbiology of Basidiomicetes (Pleurotus ostreatus as model system).
- Use as filamentous fungi as a source of secondary metabolites, lignolytic enzymes and specific sequestering of toxic metals.
- Control and elimination of fungi from air-indoor.
- Transcriptomics and proteomics for the study of the secretome

 Selected Publications:

  • Sánchez-Román, M., Romanek, C.S., Fernández-Remolar, D., Sánchez-Navas, A., McKenzie, J.A., Amils, R., and Vasconcelos, C. (2011) Chemical Geology, 281 :143-150. doi:10.1016/j.chemgeo.2010.11.020.
  • Fernández-Remolar, D., Prieto-Ballesteros, O., Gómez-Ortiz, D., Fernández-Sampedro, M., Sarrazin, P., Gailhanou, M., and Amils, R. (2011) Icarus, 211: 114-138.
  • González-Toril, E., Aguilera, A., Souza-Egipsy, V., López Pamo, E., Sánchez-Espada, J., and Amils, R. (2011) Appl. Environ. Microbiol., 77: 2685-2694.
  • Souza-Egipsy, V., Altamirano, M., Amils, R., and Aguilera, A. (2011) Environ. Microbiol., 13(8): 2351-2358, doi:10.1111/j.1462-2920.2011.02506.x.
  • García-Muñoz, J., Amils, R., Fernández, V.M., De Lacey, A., and Malki, M. (2011) Internat. Microbiol., 14: 73-81.

 Doctoral Theses:

Irene Sánchez-Andrea (2012). Diversidad microbiana de los sedimentos anaerobios del Río Tinto. Universidad Autónoma de Madrid, José Luis Sanz y Ricardo Amils.

 Other activities:

Editor de Encyclopedia of Astrobiology, Springer, 2011.

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