Rotaviruses require basolateral molecules for efficient infection of polarized MDCKII cells

Virus Research
Mauricio RealpeCarlos F Arias

Abstract

In this work we evaluated the ability of rotavirus strains with different receptor requirements to infect the apical and basolateral surfaces of polarized MDCKII cells. We used neuraminidase (NA)-sensitive (RRV and TFR-1) and neuraminidase-resistant (Wa and UK) viruses that differ in their use of integrins. Regardless of their receptor requirements, all virus strains tested were found to efficiently infect cells from both membrane surface domains, with preference for the basolateral domain, since: (i) disruption of tight junctions of polarized cell monolayers by calcium chelation led to a reversible increase of rotavirus infectivity, (ii) the viruses infected preferentially the cells located at the borders of microcolonies of polarized cells, and (iii) in cells grown on a permeable support all four virus strains were able to start the infection by either plasma membrane domain. Preferential infection (5-11-fold more efficiently) of the basolateral surface correlated with the neuraminidase resistance of the virus strains, but not with their requirement for integrins, which in MDCKII cells seem to be used by all four viruses. The infection of both cell surface domains by RRV was found to depend on the presence of terminal sialic ...Continue Reading

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Citations

Sep 26, 2015·Viruses·Jesús M Torres-Flores, Carlos F Arias
Apr 1, 2010·Viruses·Stefan TaubeChristiane E Wobus
Jan 4, 2013·Journal of Virology·Boris LampAndrea Maisner
Apr 23, 2021·Current Opinion in Virology·Carlos F Arias, Susana López

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