http://www.cnr.it/ontology/cnr/individuo/prodotto/ID127807
The role of ultraviolet radiation on bacterial morphological distribution and diversity in deep ultraoligotrophic lakes (Comunicazione a convegno)
- Type
- Label
- The role of ultraviolet radiation on bacterial morphological distribution and diversity in deep ultraoligotrophic lakes (Comunicazione a convegno) (literal)
- Anno
- 2009-01-01T00:00:00+01:00 (literal)
- Alternative label
Corno G., Modenutti B. (1), Callieri C., Balseiro E. (1), Bertoni R., Caravati E. (2009)
The role of ultraviolet radiation on bacterial morphological distribution and diversity in deep ultraoligotrophic lakes
in ASLO Aquatic Sciences Meeting, Nizza
(literal)
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- Corno G., Modenutti B. (1), Callieri C., Balseiro E. (1), Bertoni R., Caravati E. (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
- Corno G., Modenutti B., Callieri C., Balseiro E., Bertoni R., Caravati E. 2009. The role of ultraviolet radiation on bacterial morphological distribution and diversity in deep ultraoligotrophic lakes. ASLO (Advancing the Science of Limnology and Oceanography) Aquatic Sciences Meeting, Nizza 25-30 gennaio 2009 (literal)
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- ASLO (American Society of Limnology and Oceanography), Nizza 25-30 gennaio 2009 (literal)
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- We analysed the bacteria relative diversity by Denaturating Gradient Gel Electrophoresis (DGGE), and the morphological distribution (cocci vs. filaments) in relation to local factors (vertical profiles of light, temperature and nutrients, nanoflagellate and ciliate abundances) in eight North Andean Patagonian lakes. The overall bacterial community composition was similar among the lakes and at different depths along the euphotic zone of each lake. Nevertheless the relative proportion of filaments to total bacterial abundance increased in the upper layers with higher UVR, showing a monotonical decrease with depth. Statistical analysis showed that neither nanopredator abundance, nor predation pressure, nor resources (dissolved nutrients) could explain the increase of filaments. In contrast, we found a strong correlation between UVR and filament proportion. Our results indicate that UVR plays an important role in favouring filamentation in bacteria assemblages of Andean lakes. (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Laboratorio de Limnología, INIBIOMA (CONICET-UNComahue), Quintral 1250, 8400 Bariloche, Argentina
(literal)
- Titolo
- The role of ultraviolet radiation on bacterial morphological distribution and diversity in deep ultraoligotrophic lakes (literal)
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