Typescript (photocopy) / xii, 186, xxxvii leaves, [4] leaves of col. plates : ill. ; 30 cm. / Title page, contents and abstract only. The complete thesis in print form is available from the University Library. / Thesis (Ph.D.)--University of Adelaide, Dept. of Microbiology, 1982

Thesis (M.Sc.)--University of Melbourne, School of Veterinary Science, 2006. / Typescript. Includes bibliographical references (leaves 181-202).

Thesis (M.P.H.)--University of Michigan, 1950.

Thesis (M.P.H.)--University of Michigan, 1950.

Thesis (M.Sc.(Zoology and Entomology))--University of Pretoria, 2005. / Abstract in English. Includes bibliographical references.

Thesis (M.S.)--University of Calif. 1912. / Reprint from the Public health reports, vol. XXVII, no. 36, Sept. 6, 1912. This paper originally appeared in the Military surgeon, vol. XXIX, no. 6, Dec. 1911, p. 631-657, under title, "The problem of Rocky Mountain spotted fever." As republished here the text and bibliography have been amended so as to cover the subject to the present time. cf. p. 3. Bibliography: p. 23-29.

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<p>Our ability to convert basic knowledge into robust anti-viral therapeutics requires discovery of novel host-virus interactions as well as an informed anti-viral discovery pipeline. We used a genome-scale RNAi-based screen followed by a chemical screen of FDA-approved therapeutics to identify scores of novel dengue virus (DENV) human host dependency factors (HDF) and identified more than 20 potential anti-Zika virus (ZIKV) therapeutics. </p><p>Two genes in particular, TTC35 and TMEM111, strongly inhibited DENV infection and, based on comparisons with published literature, implicated a larger protein, the ER Membrane Protein Complex (EMC), as a pan-flavivirus HDF. The EMC is a poorly characterized multiprotein complex that may function in ER-associated protein biogenesis and/or lipid metabolism. Based on our screen data, we hypothesized that the EMC is an uncharacterized HDF that functions through a common mechanism to promote replication of flaviviruses. We report that DENV, ZIKV, and yellow fever virus (YFV) infections were impressively inhibited, while West Nile Virus (WNV) infection was unchanged, in cell lines engineered to lack EMC subunit 4 (EMC4). Furthermore, targeted depletion of EMC subunits in live mosquitos significantly reduced DENV-2 propagation in vivo. In addition, the accumulation of DENV proteins shortly after infection in EMC4 knockout cells was significantly reduced, suggesting that the EMC promotes viral protein biogenesis. </p><p>We interrogated a library of FDA-approved drugs for their ability to block infection of human HuH-7 cells by a newly isolated ZIKV strain. Selected compounds were further validated for inhibition of ZIKV infection in human cervical, placental, and neural stem cell lines, as well as primary human amnion cells. Established anti-flaviviral drugs (e.g., bortezomib and mycophenolic acid) and others that had no previously known antiviral activity (e.g., daptomycin) were identified as inhibitors of ZIKV infection. Several drugs reduced ZIKV infection across multiple cell types.</p><p>We propose that the EMC may be exploited as a novel therapeutic target for multiple flaviviruses in the future. Also we identified drugs that could be tested in clinical studies of ZIKV infection and provides a resource of small molecules to study ZIKV pathogenesis.</p> / Dissertation