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Lehigh University

Environmental Engineering

Biofilm

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Characterization Of Cryptosporidium Parvum Oocyst Attachment To Environmental Biofilm Surface, Xia Luo Jan 2015

Characterization Of Cryptosporidium Parvum Oocyst Attachment To Environmental Biofilm Surface, Xia Luo

Theses and Dissertations

Biofilms are communities of microorganisms that form on a solid surface. It has been shown previously that Cryptosporidium parvum is able to accumulate and survive in association with bacterial biofilms in aquatic environments. The long-term survival and sudden release of pathogenic microorganisms due to biofilm sloughing may lead to waterborne disease transmission. The fact that biofilms can immobilize C. parvum oocysts from the water column poses fundamental questions regarding interactions of oocysts with biofilm surfaces. Consequently, the main objectives of this study were to: 1) investigate the mechanisms that govern C. parvum oocyst attachment to environmental biofilms; 2) examine the ...