Chlorella viruses evoke a rapid release of K(+) from host cells during the early phase of infection (Articolo in rivista)

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  • Chlorella viruses evoke a rapid release of K(+) from host cells during the early phase of infection (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.virol.2007.10.024 (literal)
Alternative label
  • Neupärtl M; Meyer C; Woll I; Frohns F; Kang M; Van Etten JL; Kramer D; Hertel B; Moroni A; Thiel G. (2008)
    Chlorella viruses evoke a rapid release of K(+) from host cells during the early phase of infection
    in Virology (N.Y.N.Y., Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Neupärtl M; Meyer C; Woll I; Frohns F; Kang M; Van Etten JL; Kramer D; Hertel B; Moroni A; Thiel G. (literal)
Pagina inizio
  • 340 (literal)
Pagina fine
  • 348 (literal)
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  • 372 (literal)
Rivista
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  • 2 (literal)
Note
  • PubMe (literal)
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  • Neupärtl M, Meyer C, Woll I, Frohns F, Kramer D, Hertel B, Thiel G.: Institute of Botany, Technische Universität Darmstadt, Schnittspahnstrasse 3, D-64287 Darmstadt, Germany; Kang M, Van Etten JL.: Department of Plant Pathology and Nebraska Center for Virology, 406 Plant Sciences Hall, University of Nebraska, Lincoln, NE 8583-0722, USA Moroni A.: Department of Biology Università degli Studi di Milano and CNR IBF Sezione di Milano- Via Celoria 26, 20133 I-Milano, Italy (literal)
Titolo
  • Chlorella viruses evoke a rapid release of K(+) from host cells during the early phase of infection (literal)
Abstract
  • Infection of Chlorella NC64A cells by PBCV-1 produces a rapid depolarization of the host probably by incorporation of a viral-encoded K(+) channel (Kcv) into the host membrane. To examine the effect of an elevated conductance, we monitored the virus-stimulated efflux of K(+) from the chlorella cells. The results indicate that all 8 chlorella viruses tested evoked a host specific K(+) efflux with a concomitant decrease in the intracellular K(+). This K(+) efflux is partially reduced by blockers of the Kcv channel. Qualitatively these results support the hypothesis that depolarization and K(+) efflux are at least partially mediated by Kcv. The virus-triggered K(+) efflux occurs in the same time frame as host cell wall degradation and ejection of viral DNA. Therefore, it is reasonable to postulate that loss of K(+) and associated water fluxes from the host lower the pressure barrier to aid ejection of DNA from the virus particles into the host. (literal)
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