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Wichers, J. Stephan; Scholz, Judith A. M.; Strauss, Jan; Witt, Susanne; Lill, Andrés; Ehnold, Laura-Isabell; Neupert, Niklas; Liffner, Benjamin; Lühken, Renke; Petter, Michaela; Lorenzen, Stephan; Wilson, Danny W.; Löw, Christian; Lavazec, Catherine; Bruchhaus, Iris; Tannich, Egbert; Gilberger, Tim W.; Bachmann, Anna

Dissecting the Gene Expression, Localization, Membrane Topology, and Function of the Plasmodium falciparum STEVOR Protein Family

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  • Medientyp: E-Artikel
  • Titel: Dissecting the Gene Expression, Localization, Membrane Topology, and Function of the Plasmodium falciparum STEVOR Protein Family
  • Beteiligte: Wichers, J. Stephan; Scholz, Judith A. M.; Strauss, Jan; Witt, Susanne; Lill, Andrés; Ehnold, Laura-Isabell; Neupert, Niklas; Liffner, Benjamin; Lühken, Renke; Petter, Michaela; Lorenzen, Stephan; Wilson, Danny W.; Löw, Christian; Lavazec, Catherine; Bruchhaus, Iris; Tannich, Egbert; Gilberger, Tim W.; Bachmann, Anna
  • Erschienen: American Society for Microbiology, 2019
  • Erschienen in: mBio
  • Sprache: Englisch
  • DOI: 10.1128/mbio.01500-19
  • ISSN: 2161-2129; 2150-7511
  • Schlagwörter: Virology ; Microbiology
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: <jats:p> Malaria claims about half a million lives each year. <jats:named-content content-type="genus-species">Plasmodium falciparum</jats:named-content> , the causative agent of the most severe form of the disease, uses proteins that are translocated to the surface of infected erythrocytes for immune evasion. To circumvent the detection of these gene products by the immune system, the parasite evolved a complex strategy that includes gene duplications and elaborate sequence polymorphism. STEVORs are one family of these variant surface antigens and are encoded by about 40 genes. Using deep RNA sequencing of blood-stage parasites, including free merozoites, we first established <jats:italic>stevor</jats:italic> expression of the cultured isolate and compared it with published transcriptomes. We reveal a biphasic expression of most <jats:italic>stevor</jats:italic> genes and confirm this for individual STEVORs at the protein level. The membrane topology of a rhoptry-associated variant was experimentally elucidated and linked to host cell invasion, underlining the importance of this multifunctional protein family for parasite proliferation. </jats:p>
  • Zugangsstatus: Freier Zugang