A. M. I. E. Kamps

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A DNA library of Pasteurella multocida ssp. multocida strain CVI 47459 was constructed in the Lambda GEM-11 vector. Recombinant clones that encoded dermonecrotic toxin (DNT) were identified immunologically with antiserum raised against purified DNT. By comparing the DNA restriction maps of the immunoreactive recombinants, we located the DNT gene.(More)
Gametes of opposite mating type (mt + and mt -) of the green alga Chlamydomonas eugametos agglutinate via their flagella as a prelude to sexual fusion. To quantitate sexual agglutination, an in vitro assay has been developed using 35S-labeled flagella and the isolated mt -agglutination factor. It is shown that not only isolated flagella, but also the mt(More)
Five DNA probes directed against different regions of the gene that encodes the dermonecrotic toxin of Pasteurella multocida subsp. multocida were examined for their ability to identify toxigenic P. multocida subsp. multocida strains. The specificities of the probes were studied with 96 strains of P. multocida subsp. multocida and 22 strains of 11 other(More)
RNA containing the aI3 group I intron of the yeast mitochondrial gene encoding cytochrome oxidase subunit I shows self-splicing in vitro. The excised intron, comprising 1514 nucleotides, is partially split into an upstream portion, containing the intronic reading frame, and a downstream portion, containing the typical group I conserved sequence elements.(More)
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