Alain Séverac

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The three envelope proteins of the hepatitis B virus (HBV) are encoded by a single open reading frame in the genome containing three separate in-phase AUG codons. This organization defines three protein domains (pre-S1, pre-S2, S) which form the small (S), middle (M, pre-S2/S), and large (L, pre-S1 /pre-S2/S) proteins. Mature virions are generated by the(More)
The toxic, genotoxic and teratogenic potential of a municipal sewage sludge was assessed using the micronucleus assay on the larvae of the amphibian Xenopus laevis and with the tobacco somatic mutation test using the yellow-green xanthi Dulieu mutant a(1)(+)/a(1) a(2)(+)/a(2). The teratogenic potential was assessed by means of the Frog Embryo Teratogenesis(More)
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