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Diatoms for Omics Applications in Water Monitoring | OMICS International | Abstract
ISSN: 2157-7587

Hydrology: Current Research
Open Access

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Special Issue Article

Diatoms for Omics Applications in Water Monitoring

Raquel N. Carvalho, Diana C. António and Teresa Lettieri*
European Commission - Joint Research Centre, Institute for Environment and Sustainability, Rural, Water, and Ecosystem Resources Unit, T.P. 270, Via E. Fermi 2749, 21027 Ispra (VA), Italy
Corresponding Author : Dr. Teresa Lettieri
European Commission - Joint Research Centre Institute for Environment and Sustainability
Rural, Water, and Ecosystem Resources Unit, T.P. 270
Via E. Fermi 2749, 21027 Ispra (VA) Italy
E-mail: [email protected]
Received July 15, 2011; Accepted September 26, 2011; Published October 17, 2011
Citation: Carvalho RN, António DC, Lettieri T (2011) Diatoms for Omics Applications in Water Monitoring. Hydrol Current Res S1:001. doi: 10.4172/2157-7587.S1-001
Copyright: © 2011 Carvalho RN, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Diatoms are driving forces in marine and freshwater ecosystems by sustaining aquatic food webs and by having leading roles in the fixation of carbon and silica. The morphological diversity of the silicified cell walls from different diatom species has for long been exploited for the biotic characterization of environmental samples. Diatomic indices based on microscopic approaches have been developed and are broadly accepted, with some being able to correlate with the eutrophication level or pollution conditions. Moreover, molecular-based diatomic indices are expected to replace existing indices because of their increased sensitivity. Recent developments in omics technologies, coupled with bioinformatic tools for complex omics data analysis is opening the door for the use of diatoms as target organisms in the assessment of water quality using molecular biomarkers. Accordingly, fully sequenced diatom species are currently being applied to toxicological studies aiming to unveil the mode of action of pollutants. It is envisioned that molecular studies in diatoms will become major tools in the ecological assessment of environmental samples, matching the key role of these organisms in the ecosystem.


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