Search Results - "Wierzchos, J"

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    Carotenoids dispersed in gypsum rock as a result of algae adaptation to the extreme conditions of the Atacama Desert by Vítek, P., Ascaso, C., Artieda, O., Wierzchos, J.

    Published in Scientific reports (13-10-2024)
    “…The high-altitude pre-Andean region of the Atacama Desert is characterized by its stark volcanic rock formations and unique hydrothermal gypsum outcrops…”
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    Fluorescent fingerprints of endolithic phototrophic cyanobacteria living within halite rocks in the Atacama Desert by Roldán, M, Ascaso, C, Wierzchos, J

    Published in Applied and Environmental Microbiology (01-05-2014)
    “…Halite deposits from the hyperarid zone of the Atacama Desert reveal the presence of endolithic microbial colonization dominated by cyanobacteria associated…”
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    Microbial colonisation of chasmoendolithic habitats in the hyper-arid zone of the Atacama Desert by DiRuggiero, J, Wierzchos, J, Robinson, C. K, Souterre, T, Ravel, J, Artieda, O, Souza-Egipsy, V, Ascaso, C

    Published in Biogeosciences (12-04-2013)
    “…Efforts in searching for microbial life in the driest part of Atacama Desert, Chile, revealed a small number of lithic habitats that can be considered as…”
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    Lichens survive in space: results from the 2005 LICHENS experiment by Sancho, Leopoldo G, de la Torre, Rosa, Horneck, Gerda, Ascaso, Carmen, de Los Rios, Asunción, Pintado, Ana, Wierzchos, J, Schuster, M

    Published in Astrobiology (01-06-2007)
    “…This experiment was aimed at establishing, for the first time, the survival capability of lichens exposed to space conditions. In particular, the damaging…”
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    Novel water source for endolithic life in the hyperarid core of the Atacama Desert by Wierzchos, J, Davila, A. F, Sánchez-Almazo, I. M, Hajnos, M, Swieboda, R, Ascaso, C

    Published in Biogeosciences (26-06-2012)
    “…The hyperarid core of the Atacama Desert, Chile, is possibly the driest and most life-limited place on Earth, yet endolithic microorganisms thrive inside…”
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    Miniaturized Raman instrumentation detects carotenoids in Mars-analogue rocks from the Mojave and Atacama deserts by Vtek, P., Jehlika, J., Edwards, H. G. M., Hutchinson, I., Ascaso, C., Wierzchos, J.

    “…This study is primarily focused on proving the potential of miniaturized Raman systems to detect any biomolecular and mineral signal in natural geobiological…”
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    Effect of biological colonization on ceramic roofing tiles by lichens and a combined laser and biocide procedure for its removal by Pena-Poza, J., Ascaso, C., Sanz, M., Pérez-Ortega, S., Oujja, M., Wierzchos, J., Souza-Egipsy, V., Cañamares, M.V., Urizal, M., Castillejo, M., García-Heras, M.

    “…Biodeterioration damage is an important issue in conservation and restoration of built heritage, especially when ceramic materials are used. Biological…”
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    Microbial colonization of Ca-sulfate crusts in the hyperarid core of the Atacama Desert: implications for the search for life on Mars by WIERZCHOS, J., CÁMARA, B., DE LOS RÍOS, A., DAVILA, A. F., SÁNCHEZ ALMAZO, I. M., ARTIEDA, O., WIERZCHOS, K., GÓMEZ-SILVA, B., MCKAY, C., ASCASO, C.

    Published in Geobiology (01-01-2011)
    “…The scarcity of liquid water in the hyperarid core of the Atacama Desert makes this region one of the most challenging environments for life on Earth. The low…”
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    Differential effects of biocide treatments on saxicolous communities: Case study of the Segovia cathedral cloister (Spain) by de los Ríos, A., Pérez-Ortega, S., Wierzchos, J., Ascaso, C.

    “…This paper reports on the differential elimination of surface lichen thalli and their penetrating hyphae and epilithic and endolithic cyanobacteria by two…”
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    Towards a more realistic picture of in situ biocide actions: Combining physiological and microscopy techniques by Speranza, M., Wierzchos, J., De Los Rios, A., Perez-Ortega, S., Souza-Egipsy, V., Ascaso, C.

    Published in The Science of the total environment (15-11-2012)
    “…In this study, we combined chlorophyll a fluorescence (ChlaF) measurements, using pulse-amplitude-modulate (PAM) equipment, with scanning electron microscopy…”
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    Nd-YAG laser irradiation damages to Verrucaria nigrescens by Speranza, M., Sanz, M., Oujja, M., de los Rios, A., Wierzchos, J., Pérez-Ortega, S., Castillejo, M., Ascaso, C.

    “…Epilithic and endolithic microorganisms and lichens play an important role in stone biodeterioration. The structural and physiological damage caused by…”
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    Whole lichen thalli survive exposure to space conditions: results of Lithopanspermia experiment with Aspicilia fruticulosa by Raggio, J, Pintado, A, Ascaso, C, De La Torre, R, De Los Ríos, A, Wierzchos, J, Horneck, G, Sancho, L G

    Published in Astrobiology (01-05-2011)
    “…The Lithopanspermia space experiment was launched in 2007 with the European Biopan facility for a 10-day spaceflight on board a Russian Foton retrievable…”
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    Endolithic growth of two Lecidea lichens in granite from continental Antarctica detected by molecular and microscopy techniques by De los Ríos, A., Sancho, L. G., Grube, M., Wierzchos, J., Ascaso, C.

    Published in The New phytologist (01-01-2005)
    “…• Through the combined use of molecular and microscopy techniques, the endolithic lichens Lecidea cancriformis and Lecidea sp. were identified, even in the…”
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    Mg–silica precipitation in fossilization mechanisms of sand tufa endolithic microbial community, Mono Lake (California) by Souza-Egipsy, Virginia, Wierzchos, Jacek, Ascaso, Carmen, Nealson, Kenneth H.

    Published in Chemical geology (01-04-2005)
    “…The detection of Mg–silica associated with endolithic biofilms of cyanobacteria and bacterial communities living in lake shore sand tufa formations in Mono…”
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    Laboratory-Induced Endolithic Growth in Calcarenites: Biodeteriorating Potential Assessment by Miller, A. Z., Rogerio-Candelera, M. A., Laiz, L., Wierzchos, J., Ascaso, C., Braga, M. A. Sequeira, Hernández-Mariné, M., Maurício, A., Dionísio, A., Macedo, M. F., Saiz-Jimenez, C.

    Published in Microbial ecology (01-07-2010)
    “…This study is aimed to assess the formation of photo synthetic biofilms on and within different natural stone materials, and to analyse their biogeophysical…”
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    Advances in the ultrastructural study of the implant–bone interface by backscattered electron imaging by Wierzchos, J., Falcioni, T., Kiciak, A., Woliński, J., Koczorowski, R., Chomicki, P., Porembska, M., Ascaso, C.

    Published in Micron (Oxford, England : 1993) (01-12-2008)
    “…The biocompatibility of titanium implants in bone depends on the response shown by cells in contact with the implant surface. Several developments have been…”
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    Biomineralization of endolithic microbes in rocks from the McMurdo Dry Valleys of Antarctica: implications for microbial fossil formation and their detection by Wierzchos, Jacek, Sancho, Leopoldo García, Ascaso, Carmen

    Published in Environmental microbiology (01-04-2005)
    “…Summary In some zones of Antarctica's cold and dry desert, the extinction of cryptoendolithic microorganisms leaves behind inorganic traces of microbial life…”
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