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We have cloned and sequenced the p53-encoding rabbit cDNA (Oryctolagus cuniculus). The encoded product is 86% and 80% homologous to human and mouse p53, respectively. It features many characteristics found in all p53 proteins: (i) the five domains highly conserved during evolution, (ii) an acidic N terminus, (iii) a hydrophilic C terminus and (iv) a penultimate serine residue. Immunoprecipitation...
We report the cloning and characterisation of a cDNA that encodes a novel member of the Xenopus laevis 14-3-3 protein family. Sequence analysis reveals that the cDNA-encoded protein shares 84% identity with the rat, human or sheep 14-3-3ζ isoform, and between 66% and 77% identity with bovine, human or rat β, bovine γ, human τ, Drosophila 14-3-3 and a previously isolated Xenopus member. The corresponding...
The molecular diversity of protein D of nonencapsulated Haemophilus influenzae strains isolated from persistently infected patients with chronic bronchitis was studied by sequencing the hpd gene of four independently obtained isolates. The nucleotide (nt) sequences of the hpd genes of two strains were identical. The other two hpd sequences showed nt substitutions which were mostly synonymous. As a...
Comparison of the nucleotide sequences of the left arms of two Haemophilus influenzae phages, S2 and HP1 is presented. They exhibit a characteristic mosaic pattern of homologous and non-homologous regions. The homology extends over the attP site and int, orf 5 to 9, rep and the 3 part of cI genes. Two major non-homologous regions were detected. One is found between the int and cI genes; the other...
A Tirant element, inserted at the 5 end of the mitochondrial glutamine synthetase (mt-gs) gene in a mutant allele giving rise to a recessive female sterility phenotype, was cloned and utilized to characterize this novel retrotransposable element of the Drosophila melanogaster genome. The 5.3kb element present in the fs(2)PM11-19 mt-gs allele possesses a 417bp long terminal repeat (LTR) at both ends...
We report the complete cDNA sequence and the genomic structure of the human PD-1 homologue. An analysis of the expression pattern of the human PD-1 gene (hPD-1) and the murine PD-1 gene (mPD-1) in developing bone marrow B-lineage cells was also undertaken. The full length hPD-1 cDNA is 2106 nucleotides long and encodes a predicted protein of 288 amino acid residues. The hPD-1 and mPD-1 genes share...
Transposable elements are useful tools for insertional mutagenesis and have many potential applications in the characterization of complex genomes. Here we describe a system which facilitates the construction of large transposon insertion libraries useful for genome sequencing and functional genomic analysis. We developed two transposons, TyK and TyK'GFP+, which can be introduced into target DNAs...
FliA is an alternative sigma factor specific for class 3 flagellar operons. Using a promoter-probe vector, we randomly cloned Escherichia coli DNA fragments, which showed FliA-dependent promoter activities. Among the DNA fragments cloned, one was found to be derived from a non-flagellar region. Hybridization analysis with the Kohara E. coli library indicated that this DNA fragment is located at around...
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