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A Plant Vacuolar Protease, VPE, Mediates Virus-Induced Hypersensitive Cell Death

Hatsugai, Noriyuki, Kuroyanagi, Miwa, Yamada, Kenji, Meshi, Tetsuo, Tsuda, Shinya, Kondo, Maki, Nishimura, Mikio, Hara-Nishimura, Ikuko·2004·Science

Abstract

Programmed cell death (PCD) in animals depends on caspase protease activity. Plants also exhibit PCD, for example as a response to pathogens, although a plant caspase remains elusive. Here we show that vacuolar processing enzyme (VPE) is a protease essential for a virus-induced hypersensitive response that involves PCD. VPE deficiency prevented virus-induced hypersensitive cell death in tobacco plants. VPE is structurally unrelated to caspases, although VPE has a caspase-1 activity. Thus, plants have evolved a regulated cellular suicide strategy that, unlike PCD of animals, is mediated by VPE and the cellular vacuole.

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Metadata

Authors
Hatsugai, N., Kuroyanagi, M., Yamada, K., Meshi, T., Tsuda, S., Kondo, M., Nishimura, M., & Hara-Nishimura, I.
Venue
Science
Published
2004-08-06
Volume
305
Issue
5685
Pages
855-858
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2024077782
Cited by
621
References
0
FWCI
13.34
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: A Plant Vacuolar Protease, VPE, Mediates Virus-Induced Hypersensitive Cell Death. https://app.cochat.ai/papers/10.1126/science.1099859
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Hatsugai, N., Kuroyanagi, M., Yamada, K., Meshi, T., Tsuda, S., Kondo, M., Nishimura, M., & Hara-Nishimura, I. (2004). A Plant Vacuolar Protease, VPE, Mediates Virus-Induced Hypersensitive Cell Death. Science. https://doi.org/10.1126/science.1099859

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

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.