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An organic extract from fresh shrimp (Litopenaeus vannamei) was studied for antimutagenic and antiproliferative properties using Salmonella typhimurium tester strains TA98 and TA100 with metabolic activation (S9) and a cancer cell line (B-cell lymphoma), respectively. Shrimp extract was sequentially fractionated by thin layer chromatography (TLC) and each(More)
Trans-sialidase catalyzes the transference of sialic acid from host to the Trypanosoma cruzi surface. Here, we characterize the sialic acid acceptors of this protozoan parasite as mucin-like molecules, which are anchored to the membrane by glycosylphosphatidylinositol. The mucins isolated from the insect stages differ from the mucins isolated from the(More)
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