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Pathogenic Microbiology Commons

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University of Nebraska - Lincoln

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Articles 61 - 62 of 62

Full-Text Articles in Pathogenic Microbiology

Prevalence Of Extreme Detergent Resistance Among The Enterobacteriaceae, Vance Kramer, Kenneth Nickerson, Nancy V. Hamlett, Caroline O'Hara Feb 1984

Prevalence Of Extreme Detergent Resistance Among The Enterobacteriaceae, Vance Kramer, Kenneth Nickerson, Nancy V. Hamlett, Caroline O'Hara

Kenneth Nickerson Papers

The detergent-resistance properties of 208 independent isolates of the Enterobacteriaceae have been examined. Of these bacterial strains, 200 were able to grow in the presence of ≥5% sodium dodecyl sulfate, including all members of the Klebsielleae tribe. This resistance does not appear to be plasmid encoded. It is proposed that detergent-resistant organisms he termed saponotolerant or saponophilic, by analogy with other microorganisms occupying harsh ecological niches. In contrast to their prevalent resistance to anionic detergents, not one of the 208 strains tested was found to grow in the presence of three different cationic detergents. This sensitivity to cationic detergents may …


Studies On The Validity Of Swine Erysipelas Culture-Vaccines, L. Van Es, J. F. Olney, I. C. Blore Jun 1946

Studies On The Validity Of Swine Erysipelas Culture-Vaccines, L. Van Es, J. F. Olney, I. C. Blore

Historical Research Bulletins of the Nebraska Agricultural Experiment Station

In countries where vaccination against swine erysipelas has been practiced during the last half century, there is a consensus among veterinarians that the best results are obtained when the live culture-vaccine is not only fresh and highly virulent but is endowed also with a good capacity for growth on artificial culture media. Apparently avirulent culture-vaccines are apt to engender only a transitory immunity or fail altogether. The problem presented by undesirable culture-vaccines was deemed to be of such importance to the swine industry that this Station undertook a series of experiments, to determine what influences might be accountable for the …