Bookcover of Poliovirus Tissue and Host Tropism and Its Impact on Neurovirulence
Booktitle:

Poliovirus Tissue and Host Tropism and Its Impact on Neurovirulence

Post-entry determinants of poliovirus and a poliovirus/rhinovirus chimera PV1(RIPO) tissue and host tropism

LAP LAMBERT Academic Publishing (2012-04-03 )

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ISBN-13:

978-3-8484-2349-1

ISBN-10:
3848423499
EAN:
9783848423491
Book language:
English
Blurb/Shorttext:
Using two different approaches, light was shed on the role of some of post-entry determinants in the PV tissue-host tropism. In the first approach, a chimeric virus PV1(RIPO), utilizing the cognate IRES of human rhinovirus type 2 (HRV2) was used to study the potential contribution of the IRES element toward the cell tropism. Experiments were performed to shed light on the mechanism by which this variant expresses its remarkably attenuated phenotype in poliovirus-sensitive CD155 transgenic (tg) mice. The second approach was designed to study the PV tropism in a cell line known as MDCKCD155α, which is a first known example of CD155 expressing mammalian cell line that cannot be infected by wild type PV. The results indicate that once the virus is inside the cell, the IRES driven translation of viral RNA is fully functional but the cells either fail to support or actively prevent the viral RNA replication resulting in nonproductive infection. This work demonstrates that poliovirus tissue and host tropism is also governed at a stage after the entry of the viral RNA in the cells either at the translational level or at the replication level of viral RNA.
Publishing house:
LAP LAMBERT Academic Publishing
Website:
https://www.lap-publishing.com/
By (author) :
Nusrat Jahan
Number of pages:
200
Published on:
2012-04-03
Stock:
Available
Category:
Microbiology
Price:
68.00 €
Keywords:
Poliovirus, Pathogenesis, Human Rhinovirus type 2, Host Tropism, Tissue Tropism, Temperature-sensitive virus

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