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dc.contributor.advisorTrueba, Gabriel
dc.contributor.authorBerg, Benjamin R.
dc.descriptionv, 32 p.en_US
dc.description.abstractThe most common sources of leptospire infection (causing the disease leptospirosis) are urine, kidneys, surface waters, mud, and soil (Faine et al., 1999). The conditions of these sources support leptospires differently. In kidneys, where concentrations of NaCI reach as much .85%, the bacteria can survive and multiply (Faine, 1959). In surface waters, mud, and soil leptospires are found only in fresh water reserves (Cinco et al., 1975. Karaseva et al., 1973. Baker et aL, 1970), where there is no evidence they can reproduce. We hypothesized that leptospires may respond differently to NaCI depending on the absence or presence of nutrients or energy. To test this we exposed Leptospira interrogans serovar canicola cells to nutrient (polyoxyethylene sorbitan monooleate) and nutrient free concentrations of NaCI in autoclaved distilled water, and to autoclaved natural waters of the Portoviejo River, Manta River, and the Pacific Ocean. We showed that polyoxyethylene sorbitan monooleate increases cell tolerance and survival in low concentrations of (.007-.053%) NaCI and that the serovar canicola is intolerant to natural salt-water reserves regardless of the presence of nutrients.en_US
dc.description.sponsorshipInstitute of Microbiology. University of San Francisco, Quito. Quito, Ecuador.
dc.publisherKalamazoo Collegeen_US
dc.relation.ispartofKalamazoo College Biology Senior Individualized Projects Collection
dc.relation.ispartofseriesSenior Individualized Projects. Biology;
dc.rightsU.S. copyright laws protect this material. Commercial use or distribution of this material is not permitted without prior written permission of the copyright holder.
dc.titleThe Response of Leptospira Interrogans Serovar Canicola to Salt and Nutrient Deprevationen_US
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  • Biology Senior Individualized Projects [1520]
    This collection includes Senior Individualized Projects (SIP's) completed in the Biology Department. Abstracts are generally available to the public, but PDF files are available only to current Kalamazoo College students, faculty, and staff.

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