Role for lichen melanins in uranium remediation

Article Abstract:

Lichens successfully colonize in extreme terrestrial habitats through the world, and they have the ability to accumulate metals. The lichen Trapelia involuta was found to be growing directly on uranium minerals, and such specimens have atypically dark brown-black apothecia. It is though that melanization T. involuta is a protective response for the ascopores formed within the apothecia, from the toxicity of the uranium.

Observations, Uranium, Melanin, Lichens

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Sex and the single lichen

Article Abstract:

Self-fertilization has been identified in sexually reproducing lichen-forming fungi. This breeding system may permit these symbiotic organisms to reproduce successfully in difficult conditions.

Fungi, Reproduction (Biology)

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Coulomb-blockade transport in single-crystal organic thin-film transistors

Article Abstract:

Issues concerning coulomb-blockade transport in single-crystal organic thin-film transistors are discussed.

Electrical resistance, Thin film devices

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