Objective
MANY STUDIES ABOUT THE METHYLMERCURY (MEHG) FORMATION IN VARIOUS FRESHWATER AND MARINE ENVIRONMENTS, AND LABORATORY EXPERIMENTS HAVE SHOWN THAT MOSTLY MICROORGANISMS ARE RESPONSIBLE FOR THE METHYLATION AND DEMETHYLATION OF MERCURY COMPOUNDS, ALTHOUGH IT HAS BEEN DEMONSTRATED THAT THE METHYLATION CAN ALSO OCCUR ABIOTICALLY. HOWEVER, THE MICROBIOLOGICAL EXPERIMENTS HAVE BEEN CARRIED OUT WITH UP TO SEVERAL ORDERS OF MAGNITUDES HIGHER HG CONCENTRATIONS THAN FOUND UNDER NATURAL CONDITIONS, SO THAT THOSE EXTRAPOLATIONS OF RESULTS ARE HIGHLY DOUBTFUL. THEREFORE, THIS HOINT RESEARCH PROJECT BETWEEN THE UNIVERSITA DI SIENA AND THE FOLLOWING LABORATORIES
- ISTITUTO DI CHIMICA GENERALE, UNIVERSITA DI GENOVA
- ENEA, LA SPEZIA
- INSTITUTE OF CHEMISTRY, KFA, JUELICH
- LABORATOIRE D'ECOLOGIE FONDAMENTALE ET ECOTOXICOLOGIE, UNIVERSITE DE BORDEAUX 1, TALENCE
AIMS TO INVESTIGATE THE ROLE OF BACTERIA IN BIOGEOCHEMICAL CYCLES OF MERCURY AND IN THE FORMATION OF MEHG UNDER REALISTIC ENVIRONMENTAL CONDITIONS.
THE PRESENT SUB-PROJECT WILL ADDRESS IN PARTICULAR THE FOLLOWING SUBJECTS:
1.- ISOLATION OF BACTERIA FROM NATURAL SOIL, FRESHWATER AND SEA WATER ENVIRONMENTS, AS WELL AS FROM EXPERIMENTAL MICROCOSMOS.
2.- SCREENING OF ISOLATED BACTERIAL STRAINS REGARDING THEIR ABILITY TO PRODUCE MEHG AND OTHER CHEMICAL HG SPECIES.
3.- IDENTIFICATION AND QUANTIFICATION OF CHEMICAL FORMS OF HG PRODUCED BY MICROORGANISMS IN THE NATURAL ENVIRONMENT AND IN EXPERIMENTAL SYSTEMS.
4.- INVESTIGATIONS ON THE ECOTOXICITY OF MEHG AND OTHER ORGANOMERCURY COMPOUNDS TO MICROORGANISMS.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences biological sciences microbiology bacteriology
- natural sciences chemical sciences inorganic chemistry transition metals
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
53100 Siena
Italy
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.