Life at the Limits: Capacities of Isolated and Cultured Lichen Symbionts to Resist Extreme Environmental Stresses

@article{Vera2008LifeAT,
  title={Life at the Limits: Capacities of Isolated and Cultured Lichen Symbionts to Resist Extreme Environmental Stresses},
  author={Jocelyn S. De Vera and P Rettberg and Sieglinde Ott},
  journal={Origins of Life and Evolution of Biospheres},
  year={2008},
  volume={38},
  pages={457-468}
}
Lichens are described as a symbiosis formed by a myco- and photobiont, capable of colonizing habitats where their separate symbionts would not be able to survive. Space simulation studies on the separated symbionts of the lichen Xanthoria elegans have been performed to test their capacity to resist the most extreme conditions. The isolated cultured symbiont cells were exposed to different doses of the UV spectrum, and to vacuum. Cultures of both symbionts were analysed by specific vitality… CONTINUE READING
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