H2020Индивидуална стипендия2015–2016

TRANSFORMER · Transformation of emerging contaminants in the aquatic environment. Fate of transformation products under multiple stress conditions

„Хоризонт 2020“ — Действия „Мария Склодовска-Кюри“

Период: 2015-05-11 → 2016-08-23
Финансиране от ЕС: 106 326 €
Участници: 1
Схема: MSCA-IF-EF-ST

Линиите свързват координатора с партньорите.

Накратко на български

Биофилмите във водната среда се изследват при едновременното действие на замърсители и променлив воден поток. Това помага да се разбере как комбинираният стрес влияе върху разграждането на вредни вещества и метаболизма на микроорганизмите.

Този кратък обзор е генериран от изкуствен интелект

Кратко обяснение, генерирано от езиков модел по текста на CORDIS. Оригиналът е по-долу.

Резултати накратко

Transformation of emerging contaminants in the aquatic environment. Fate of transformation products under multiple stress conditions

Imperative of TRANSFORMER was to provide understanding and gain practical knowledge on behaviour of emerging contaminants under multiple stress conditions. Likewise, project aimed in providing an integrated view of molecular events in general response of a biofilm to stress and multi-stress events. These issues, being addressed by TRANSFORMER are very important from two perspectives. One is understanding and gaining practical knowledge on the additive effects of multiple stressors because current and future rates of ecosystem response predicted on the basis of individual stressor effects may be underestimated. And the other is studying community global patterns of metabolic activity and response to stress and multi stress perturbations in order to comprehend systems-level behaviour. In summary, TRANSFORMER showed that multi-stress (i.e. flow intermittency and emerging contaminants exposure) conditions enhance biofilm biodegradation ability during short and medium term exposure suggesting indirect antagonistic relationship between drought and emerging contaminants that change water chemical status. Observed effects may suggest that, on a contrary to current believes, the short and medium term ECs biodegradation efficiency in intermittent systems may be higher. Exo-metabolome profiling demonstrates that different perturbations are immediately reflected on biofilm released metabolites. In comparison with classical biofilm descriptors the exo-metabolite response is more specific and significantly faster. Observed dissimilarity, comparing to control samples, is highest for multi-stress perturbation suggesting uppermost disturbance in molecular output for multi-stress samples.

Текст от CORDIS, на английски · Данни: CORDIS, © Европейски съюз

Цел на проекта

Pharmaceutically active compounds (PhACs) are a special class of contaminants because they can undergo transformations through metabolism before their entrance into aquatic and terrestrial environments. Once they reach the environment they are further transformed by abiotic and/or biotic transformation processes and understanding of transformation pathways and identification of transformation products (TP) is a prerequisite for a thorough assessment of their environmental risk. This project proposes the use of Experimental Stream Facility (artificial rivers), a unique facility available at ICRA that will permit simultaneous study of biodegradation, photolysis, and adsorption /desorption processes under different situations, such as intermittent flow (drought), temperature or light fluctuations, among others. State of the art hybrid and high resolution mass spectrometric instrumentation will be used to study transformation pathways and provide a comprehensive and detailed profile of TPs formed. By using an integrated approach and simultaneous study of biotic and abiotic transformation processes TRANSFORMER’s main expected results are: (i) elucidation of transformation pathways (biological and photo induced) and identification of main TPs from a number of relevant pharmaceuticals (including some understudied and, for the first time, a new class pharmaceuticals such as peptidomimetics and peptide therapeutics); (ii) determination of partition coefficients (water-sediment and water-biofilm) of the studied pharmaceuticals and TPs and (iii) identification of potential controlling factors and mechanisms behind in-stream attenuation of pharmaceuticals (biodegradation vs photodegradation vs sorption). Accordingly, we expect that the results produced by this innovative research plan will have substantial impact on the field of inland water research, one of the Europe’s Societal Challenges.

Оригинален текст от CORDIS (на английски).

Участници

FUNDACIO INSTITUT CATALA DE RECERCA DE L'AIGUA · GironaКоординаторИспания