Article ; Online: Plasmodium
iScience
2022 Volume 25, Issue 5, Page(s) 104281
Abstract: Parasite-derived PVM-resident proteins are critical for complete parasite development inside hepatocytes, although the function of most of these proteins remains unknown. Here, we show that the upregulated in infectious sporozoites 4 (UIS4) protein, ... ...
| Abstract | Parasite-derived PVM-resident proteins are critical for complete parasite development inside hepatocytes, although the function of most of these proteins remains unknown. Here, we show that the upregulated in infectious sporozoites 4 (UIS4) protein, resident at the PVM, interacts with the host cell actin. By suppressing filamentous actin formation, UIS4 avoids parasite elimination. Host cell actin dynamics increases around UIS4-deficient parasites, which is associated with subsequent parasite elimination. Notably, parasite elimination is impaired significantly by the inhibition of host myosin-II, possibly through relieving the compression generated by actomyosin complexes at the host-parasite interface. Together, these data reveal that UIS4 has a critical role in the evasion of host defensive mechanisms, enabling hence EEF survival and development. |
|---|---|
| Language | English |
| Publishing date | 2022-04-22 |
| Publishing country | United States |
| Document type | Journal Article |
| ISSN | 2589-0042 |
| ISSN (online) | 2589-0042 |
| DOI | 10.1016/j.isci.2022.104281 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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