Phosphorylation of cytokeratin 17 by herpes simplex virus type 2 US3 protein kinase

Takayuki Murata, Fumi Goshima, Yuji Nishizawa, Tohru Daikoku, Hiroki Takakuwa, Kenzo Ohtsuka, Tetsushi Yoshikawa, Yukihiro Nishiyama

Research output: Contribution to journalArticle

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Abstract

We previously reported the establishment of an HEp2 cell line which expresses the US3 protein kinase (PK) of herpes simplex virus type 2 (HSV-2) upon induction with IPTG. Here we report that expression, phosphorylation and ubiquitination of cytokeratin 17 (CK17) are enhanced in US3-expressing HEp2 cells. In vitro kinase and co-immunoprecipitation assays provided evidence that US3 PK directly phosphorylates CK17. Expression of US3 PK caused a significant decrease in filamentous staining of CK17, suggesting that phosphorylation of CK17 by US3 PK causes a disruption of intermediate filaments. Our observations suggest a role for US3 in the regulation of CKs and intermediate filaments in cells. Moreover, we found that infection of a keratinocyte-derived cell line, A431, with a US3-deficient virus, results in cytopathic effects that are morphologically distinct from those induced by wild-type and revertant viruses, suggesting that US3 PK may be important for interaction between HSV-2 and peripheral epithelial cells.

Original languageEnglish
Pages (from-to)707-719
Number of pages13
JournalMICROBIOLOGY and IMMUNOLOGY
Volume46
Issue number10
DOIs
Publication statusPublished - 01-01-2002

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Keratin-17
Human Herpesvirus 2
Protein Kinases
Phosphorylation
Intermediate Filaments
Viruses
Isopropyl Thiogalactoside
Cell Line
Ubiquitination
Keratinocytes
Immunoprecipitation
Phosphotransferases
Epithelial Cells
Human herpesvirus 2 US3 protein
Staining and Labeling
Infection

All Science Journal Classification (ASJC) codes

  • Microbiology
  • Immunology
  • Virology

Cite this

Murata, T., Goshima, F., Nishizawa, Y., Daikoku, T., Takakuwa, H., Ohtsuka, K., ... Nishiyama, Y. (2002). Phosphorylation of cytokeratin 17 by herpes simplex virus type 2 US3 protein kinase. MICROBIOLOGY and IMMUNOLOGY, 46(10), 707-719. https://doi.org/10.1111/j.1348-0421.2002.tb02755.x
Murata, Takayuki ; Goshima, Fumi ; Nishizawa, Yuji ; Daikoku, Tohru ; Takakuwa, Hiroki ; Ohtsuka, Kenzo ; Yoshikawa, Tetsushi ; Nishiyama, Yukihiro. / Phosphorylation of cytokeratin 17 by herpes simplex virus type 2 US3 protein kinase. In: MICROBIOLOGY and IMMUNOLOGY. 2002 ; Vol. 46, No. 10. pp. 707-719.
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Phosphorylation of cytokeratin 17 by herpes simplex virus type 2 US3 protein kinase. / Murata, Takayuki; Goshima, Fumi; Nishizawa, Yuji; Daikoku, Tohru; Takakuwa, Hiroki; Ohtsuka, Kenzo; Yoshikawa, Tetsushi; Nishiyama, Yukihiro.

In: MICROBIOLOGY and IMMUNOLOGY, Vol. 46, No. 10, 01.01.2002, p. 707-719.

Research output: Contribution to journalArticle

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