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Development of microbial and chemical MST tools to identify the origin of the faecal pollution in bathing and shellfish harvesting waters in France ArchiMer
Gourmelon, Michele; Caprais, Marie-paule; Mieszkin, Sophie; Marti, Romain; Wery, Nathalie; Jarde, E.; Derrien, Marc; Jadas-hecart, A.; Communal, P. Y.; Jaffrezic, A.; Pourcher, A. M..
The microbiological quality of coastal or river waters can be affected by faecal pollution from human or animal sources. An efficient MST (Microbial Source Tracking) toolbox consisting of several host-specific markers would therefore be valuable for identifying the origin of the faecal pollution in the environment and thus for effective resource management and remediation. In this multidisciplinary study, after having tested some MST markers on faecal samples, we compared a selection of 17 parameters corresponding to chemical (steroid ratios, caffeine, and synthetic compounds), bacterial (host-specific Bacteroidales, Lactobacillus amylovorus and Bifidobacterium adolescentis) and viral (genotypes I-IV of F-specific bacteriophages, FRNAPH) markers on...
Tipo: Text Palavras-chave: Microbial source tracking; Faecal pollution; Bacteroidales; Bifidobacterium adolescentis; Lactobacillus; FRNA bacteriophages; Steroids; Caffeine.
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00016/12710/9690.pdf
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Potential of F-specific RNA bacteriophages to discriminate sources of faecal pollution in French shellfish ArchiMer
Caprais, Marie-paule; Le Mennec, Cecile; Pommepuy, Monique; Le Saux, Jean-claude; Gourmelon, Michele.
In Europe, shellfish harvesting areas are classified according European Directive EC N°854/2004, using classic faecal indicator levels (Escherichia coli). A better indicator is needed, however, because shellfish may contain other human pathogens. Other indicator organisms have therefore been evaluated and, among these, coliphages meet most of the requirements to serve as indicators and models for enteroviruses. In order to evaluate the capacity of coliphages as indicators, a total of 764 shellfish were sampled in 2004 from 70 shellfish harvesting areas monitored by the Ifremer microbiological surveillance network (REMI, http://www.ifremer.fr/envlit/), and tested for F-specific RNA bacteriophages (FRNAPH). Two species of bivalve mollusc were collected...
Tipo: Text Palavras-chave: F-specific RNA bacteriophage; Shellfish; Faecal pollution; Discrimination.
Ano: 2009 URL: http://archimer.ifremer.fr/doc/00066/17749/15271.pdf
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