Pasteurella haemolytica transformants

Chemistry: molecular biology and microbiology – Treatment of micro-organisms or enzymes with electrical or... – Modification of viruses

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4351723, 4352521, 4352523, 424 932, C12N 1509, C12N 1563

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active

055873057

ABSTRACT:
Methylation of DNA can be a critical step in the introduction of DNA into P. haemolytica. A methyltransferase has been isolated and molecularly cloned for this purpose. Use of the methyltransferase has allowed construction of defined, attenuated mutants for use as vaccines to protect cattle.

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