Specific Aims: Dr. Jonsson and Linial propose collaborative experiments to analyze the RNA: protein interactions leading to genomic RNA encapsidation for two different classes of viruses, hantaviruses and retroviruses. The Jonsson lab brings to the proposal expertise in hantavirology and biochemistry and chemistry of RNA-protein interactions. The Linial lab provides the expertise in retrovirology and molecular genetic analysis of RNA-protein interactions using yeast. For retroviruses, we have chosen the avail or alpharetroviruses, Rous sarcoma virus (RSV). Work on the packaging signal of these viruses has pin pointed a small, contiguous RNA sequence that interacts specifically with residues in the nucleocapsid (NC) domain of the viral structure protein precursor Gag. For the hantaviruses, we will use the Hantaan virus (HTNV). A putative packaging signal has been identified in the S- segment of the HTNV to interact with the nucleoprotein (N). The two specific aims of this pilot project are:
Aim 1). To identify the domain/amino acids in the HTNV N protein responsible for interaction with viral genomic and anti-genomic RNA using the yeast three-hybrid assay (YTHA), and Aim 2). To characterize the chemistry of the interaction of the RSV NC with its packaging signal, psi.

Agency
National Institute of Health (NIH)
Institute
National Cancer Institute (NCI)
Type
Exploratory Grants--Cooperative Agreements (U56)
Project #
1U56CA096288-01
Application #
6606732
Study Section
Special Emphasis Panel (ZCA1)
Project Start
2002-06-12
Project End
2007-05-31
Budget Start
Budget End
Support Year
1
Fiscal Year
2002
Total Cost
Indirect Cost
Name
Fred Hutchinson Cancer Research Center
Department
Type
DUNS #
075524595
City
Seattle
State
WA
Country
United States
Zip Code
98109
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