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Cited by 741

The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.

Regulation of starvation- and virus-induced autophagy by the eIF2α kinase signaling pathway

Open access
Tallóczy, Zsolt, Jiang, Wenxia, Virgin, Herbert W., Leib, David A., Scheuner, Donalyn, Kaufman, Randal J., Eskelinen, Eeva-Liisa, Levine, Beth·2002·Proceedings of the National Academy of Sciences

Abstract

The eIF2α kinases are a family of evolutionarily conserved serine/threonine kinases that regulate stress-induced translational arrest. Here, we demonstrate that the yeast eIF2α kinase, GCN2 , the target phosphorylation site of Gcn2p, Ser-51 of eIF2α, and the eIF2α-regulated transcriptional transactivator, GCN4 , are essential for another fundamental stress response, starvation-induced autophagy. The mammalian IFN-inducible eIF2α kinase, PKR, rescues starvation-induced autophagy in GCN2 -disrupted yeast, and pkr null and Ser-51 nonphosphorylatable mutant eIF2α murine embryonic fibroblasts are defective in autophagy triggered by herpes simplex virus infection. Furthermore, PKR and eIF2α Ser-51-dependent autophagy is antagonized by the herpes simplex virus neurovirulence protein, ICP34.5. Thus, autophagy is a novel evolutionarily conserved function of the eIF2α kinase pathway that is targeted by viral virulence gene products.

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Metadata

Authors
Tallóczy, Z., Jiang, W., Virgin, H. W., Leib, D. A., Scheuner, D., Kaufman, R. J., Eskelinen, E.-L., & Levine, B.
Venue
Proceedings of the National Academy of Sciences
Published
2001-12-26
Volume
99
Issue
1
Pages
190-195
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2001467419
Cited by
741
References
3
FWCI
10.46
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Regulation of starvation- and virus-induced autophagy by the eIF2α kinase signaling pathway. https://app.cochat.ai/papers/10.1073/pnas.012485299
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Tallóczy, Z., Jiang, W., Virgin, H. W., Leib, D. A., Scheuner, D., Kaufman, R. J., Eskelinen, E.-L., & Levine, B. (2002). Regulation of starvation- and virus-induced autophagy by the eIF2α kinase signaling pathway. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.012485299

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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