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Flavivirus NS5 associates with host-cell proteins zonula occludens-1 (ZO-1) and regulating synaptic membrane exocytosis-2 (RIMS2) via an internal PDZ binding mechanism
2009 (English)In: Biological chemistry (Print), ISSN 1431-6730, E-ISSN 1437-4315, Vol. 390, no 4, p. 319-323Article in journal (Refereed) Published
Abstract [en]

Dengue virus (DENV) and tick-borne encephalitis virus (TBEV) are flaviviruses, which can cause lethal hemorrhagic fever and encephalitis, respectively. Here, we demonstrate that the TBEV-NS5 and DENV-NS5 proteins use an internal binding mechanism to target human PDZ proteins. TBEV-NS5 has high affinity to regulating synaptic membrane exocytosis-2 (RIMS2) and Scribble, whereas DENV-NS5 binds primarily to the tight junction protein zonula occludens-1 (ZO-1). Targeting of TBEV-NS5 to the plasma membrane is stabilised by ZO-1; however, DENV-NS5 co-localises with ZO-1 in the nucleus. These interactions have potential important roles in the ability of flaviviruses to manipulate cell proliferation, junction permeability and the interferon pathways.

Place, publisher, year, edition, pages
2009. Vol. 390, no 4, p. 319-323
National Category
Cell and Molecular Biology
Research subject
Medicine
Identifiers
URN: urn:nbn:se:oru:diva-27107DOI: 10.1515/BC.2009.041PubMedID: 19199833OAI: oai:DiVA.org:oru-27107DiVA, id: diva2:601458
Available from: 2013-01-29 Created: 2013-01-29 Last updated: 2018-01-11Bibliographically approved

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Johansson, Magnus

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