http://www.cnr.it/ontology/cnr/individuo/prodotto/ID19640
The effect of ionising radiation on photosynthetic oxygenic microrganisms for survival in space flight revealed by automatic Photosystem II-based Biosensors (Articolo in rivista)
- Type
- Label
- The effect of ionising radiation on photosynthetic oxygenic microrganisms for survival in space flight revealed by automatic Photosystem II-based Biosensors (Articolo in rivista) (literal)
- Anno
- 2006-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1007/BF02870412 (literal)
- Alternative label
Esposito D., Faraloni C., Margonelli A., Pace E., Torzillo G., Zanini A., Giardi M.T. (2006)
The effect of ionising radiation on photosynthetic oxygenic microrganisms for survival in space flight revealed by automatic Photosystem II-based Biosensors
in Microgravity, science and technology (Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Esposito D., Faraloni C., Margonelli A., Pace E., Torzillo G., Zanini A., Giardi M.T. (literal)
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- Pagina fine
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Dania Esposito, Andrea Margonelli, Emanuela Pace and Maria Teresa Giardi Institute of Crystallography (CNR), via Salaria Km 29,3 00016, Monterotondo Scalo, Rome, IT ; Cecilia Faraloni, Giuseppe Torzillo Institute for Ecosystem Study (CNR) Florence; IT ; Alba Zanini INFN - Turin, IT (literal)
- Titolo
- The effect of ionising radiation on photosynthetic oxygenic microrganisms for survival in space flight revealed by automatic Photosystem II-based Biosensors (literal)
- Abstract
- Photosynthetic microorganisms are expected to be useful to maintain an oxygenic atmosphere and to provide biomass for astronauts in the International Space Station as well as in future long-term space flights. However, fluxes of complex ionizing radiation of various intensities and energies make space an extreme environment for the microorganisms, affecting their photosynthetic efficiency. To automatically monitor the photosynthetic Photosystem II (PSII) activity of microorganisms under space conditions an optical biosensor, which utilizes chlorophyll fluorescence as biological transduction system, was built; the PSII activity was monitored by the biosensor during balloon flights at stratospheric altitudes of about 40 km. The effect of space stress on quantum yield of PSII varied among the tested species depending on the growth light conditions at which they were exposed during the flights. (literal)
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