2012
DOI: 10.1089/ast.2011.0736
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Survival of Rock-Colonizing Organisms After 1.5 Years in Outer Space

Abstract: Cryptoendolithic microbial communities and epilithic lichens have been considered as appropriate candidates for the scenario of lithopanspermia, which proposes a natural interplanetary exchange of organisms by means of rocks that have been impact ejected from their planet of origin. So far, the hardiness of these terrestrial organisms in the severe and hostile conditions of space has not been tested over extended periods of time. A first long-term (1.5 years) exposure experiment in space was performed with a v… Show more

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Cited by 214 publications
(196 citation statements)
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References 26 publications
(45 reference statements)
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“…Such stressors make the space a hostile environment for terrestrial organisms; nevertheless a small group of organisms, the so called anhydrobiotes, (from Greek "life without water"), adapted to cope with extreme desiccation, have the potential to survive in space. The survival to 16 days in space has been reported for desiccation-tolerant lichens and tardigrades during BIOPAN missions [8,9], while 1.5 year endurance was documented for lichens [10]. The record of survival in space remains that of 6 years of Bacillus subtilis spores [11].…”
Section: Desert Cyanobacteria and Astrobiologymentioning
confidence: 98%
“…Such stressors make the space a hostile environment for terrestrial organisms; nevertheless a small group of organisms, the so called anhydrobiotes, (from Greek "life without water"), adapted to cope with extreme desiccation, have the potential to survive in space. The survival to 16 days in space has been reported for desiccation-tolerant lichens and tardigrades during BIOPAN missions [8,9], while 1.5 year endurance was documented for lichens [10]. The record of survival in space remains that of 6 years of Bacillus subtilis spores [11].…”
Section: Desert Cyanobacteria and Astrobiologymentioning
confidence: 98%
“…Posteriores experimentos realizados con líquenes y comunidades criptoendolíticas (hongos, líquenes, etc.) sobre la ISS a largo plazo, tales como el experimento LIFE (Estudio de la capacidad de supervivencia de hongos líticos y líquenes en el espacio y en condiciones de Marte, integrado en la misión EXPOSE-E, ESA-NASA, sobre el Laboratorio Columbus, han mostrado que estos organismos no sólo son capaces de sobrevivir a condiciones reales de espacio durante más de 18 meses, sino también a condiciones de Marte (Onofri et al, 2012). Posteriormente (Onofri et al, 2012) se diseñó el experimento LIFE (LIchens and FungiExperiment), un experimento (Fig.…”
Section: Física De La Tierraunclassified
“…sobre la ISS a largo plazo, tales como el experimento LIFE (Estudio de la capacidad de supervivencia de hongos líticos y líquenes en el espacio y en condiciones de Marte, integrado en la misión EXPOSE-E, ESA-NASA, sobre el Laboratorio Columbus, han mostrado que estos organismos no sólo son capaces de sobrevivir a condiciones reales de espacio durante más de 18 meses, sino también a condiciones de Marte (Onofri et al, 2012). Posteriormente (Onofri et al, 2012) se diseñó el experimento LIFE (LIchens and FungiExperiment), un experimento (Fig. 3c) con comunidades resistentes epilíticas (líquenes) y criptoendolíticas (hongos, algas, líquenes, que viven en el interior de rocas), fueron expuestas a largo plazo (año y medio, 2008-2009 misión EXPOSE-E, ESA-NASA) en el exterior del Laboratorio Columbusen la Estación Espacial Internacional (ISS).…”
Section: Física De La Tierraunclassified
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