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Enterococcus sp. K-4, with a bacteriocin-like activity against E. faecium, was isolated from grass silage in Thailand. Morphological, physiological, and phylogenetic studies clearly identified strain K-4 as a strain of E. faecalis. Strain K-4 produced a maximal amount of bacteriocin at 43-45 degrees C. We purified, for the first time, the bacteriocin(More)
The Japanese variant of the hepatitis C virus (HCV-N) genome, consisting of 9440 nucleotides in length, was cloned from a small amount (2 ml) of plasma from a single Japanese carrier by using RT-PCR and modified RT-PCR. The HCV-N genome has a long open reading frame that encodes a 3014 amino acid polyprotein with 340 and 57 bases of 5' and 3' non-coding(More)
A lambda gt11 cDNA library was constructed from RNA purified from hepatitis B viral surface antigen-negative human plasma with high alanine aminotransferase activity. A cDNA clone, designated as C8-2, was isolated by immunoscreening with mixed sera from non-A, non-B hepatitis (NANBH) carrier and convalescent chimpanzees. The recombinant protein produced by(More)
We produced aggregate chimeric embryos between blastomeres from the somatic cell nuclear transfer (SCNT) embryos and blastomeres from normal embryos. The SCNT embryos were produced by fusing enucleated oocytes with GFP gene introduced fibroblast cells, which were derived from a day 16 fetus. GFP gene-introduced fibroblast cells were cultured and passaged(More)
Human ADAMTS13 was recently identified as a gene encoding von Willebrand factor-cleaving protease, hADAMTS13. Both congenital and acquired defects in this enzyme can cause thrombotic thrombocytopenic purpura. hADAMTS13 consists of 1,427 amino acid residues and is composed of multiple structural domains including thrombospondin type 1 motifs and CUB domains.(More)
For the development of a safe vaccine for Alzheimer's disease (AD), we studied the immunogenicity of amyloid beta (Abeta) peptides without adjuvant. Addition of a cysteine residue (Cys) to Abeta peptides enhanced immunogenicity in mice compared to those without Cys. Vaccination with the Abeta-Cys peptides reduced Abeta deposits in AD model mice. From these(More)
The amino acid sequence of the extracellular domain of matrix protein 2 (M2e) is conserved among all subtypes of influenza A viruses. Therefore, the M2e peptide can be considered as a target antigen for the development of a universal influenza vaccine. We evaluated the effects of adding cysteine residues to a peptide of amino acids 2-24 of M2e. Mice(More)
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