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In a previous investigation of the rDNA region in Tetrahymena pyriformis mitochondrial DNA, we identified a putative tRNA(Met) gene [Heinonen et al. (1987) J. Biol. Chem. 262, 2879-2887]. On the basis of Northern hybridization analyses, we suggested that this gene is expressed, even though the resul...
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Two dogs were diagnosed with enterotoxigenic Clostridium perfringens-associated diarrhea. Diarrhea was responsive to antimicrobial therapy, but recurred after treatment was ceased. Clostridium perfringens enterotoxin was present in feces during diarrheic episodes but not when feces were normal. Both...
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Two partial mRNA sequences predicted to encode anti-lipopolysaccharide factors (ALFs) were identified among expressed sequence tags generated from the American lobster Homarus americanus and complete cDNA sequences were obtained from library clones. Comparison of the translated amino acid sequences ...
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In this prospective study, feces of dogs with diarrhea were compared with feces of normal dogs for the presence of Clostridium difficile, C difficile toxins A and B, C perfringens, and C perfingens enterotoxin (CPE). C difficile toxins A, B, or both were present in feces of 18 of 87 (21%) dogs with ...
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We report here the sequence of the 1743 bp intergenic spacer (IGS) that separates the 3'-end of the large subunit ribosomal RNA (rRNA) gene from the 5'-end of the small subunit (SSU) rRNA gene in the circular, extrachromosomal ribosomal DNA (rDNA) of Euglena gracilis. The IGS contains a 277 nt stret...
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Two tachykinin-related peptides (TRPs) are known in decapods, APSGFLGMRamide and TPSGFLGMRamide. The former peptide appears to be ubiquitously conserved in members of this taxon, while the latter has been suggested to be a genus (Cancer)- or infraorder (Brachyura)-specific isoform. Here, we characte...
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The complete small subunit rRNA gene sequences of the heterotrich Blepharisma americanum and the colpodid Colpoda inflata were determined to be 1719 and 1786 nucleotides respectively. The phylogeny produced by comparisons with other ciliates indicated that C. inflata is allied more closely with the ...