Identification of Giardia lamblia isolates susceptible and resistant to infection by the double-stranded RNA virus |
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| Authors: | R L Miller A L Wang C C Wang |
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| Affiliation: | University of California San Francisco School of Pharmacy, Department of Pharmaceutical Chemistry 94143. |
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| Abstract: | The presence or absence of the Giardia lamblia double-stranded RNA virus (GLV) was surveyed among 38 axenic isolates of G. lamblia derived from both humans and animals. Of the 28 isolates lacking the virus, 19 could readily be infected by the virus. The remaining 9 isolates proved to be resistant to GLV infection even when the ratio between virus to parasite reached as high as 10(6) to 1. Evidence is also presented indicating that there are at least two "Portland 1" strains being used by the current scientific community, one containing the virus and the other lacking the virus. |
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