Paper · 2017 · Proceedings of the National Academy of Sciences

Harnessing host ROS-generating machinery for the robust genome replication of a plant RNA virus

Kiwamu Hyodo; Kenji Hashimoto; Kazuyuki Kuchitsu; et al.

5
claims
10
verbatim quotes
102
citations
2
research areas
✓
Open access

Abstract

(NbCDPKiso2) from the plasma membrane to the p27-containing intracellular aggregate structures. p27 also induces an intracellular ROS burst in an RBOH-dependent manner. NbCDPKiso2 was shown to be an activator of the p27-triggered ROS accumulations and to be required for RCNMV replication. Importantly, this RBOH-derived ROS is essential for robust viral RNA replication. The need for RBOH-derived ROS was demonstrated for the replication of another (+)RNA virus, brome mosaic virus, suggesting that this characteristic is true for plant (+)RNA viruses. Collectively, our findings revealed a hitherto unknown viral strategy whereby the host ROS-generating machinery is diverted for robust viral RNA replication.

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Claims 5

Observationobservedoriginal resultmeasured

Claim · model-written summary

NbCDPKiso2 moved from plasma membrane to p27-containing aggregates.

Taxon
plantt0
Gene
NbCDPKiso2e0
Outcome
p27-containing intracellular aggregate structurese0

Verbatim

e0

“(NbCDPKiso2) from the plasma membrane to the p27-containing intracellular aggregate structures”

✓ located verbatim in the source · abstract, characters 0–94 · show in text ↑
t0

“plant RNA virus”

✓ located verbatim in the source · title, characters 80–95 · show in text ↑
Mechanismobservedoriginal resultmeasured

Claim · model-written summary

p27 induced an RBOH-dependent intracellular ROS burst.

Taxon
plantt0
Gene
p27e0
Outcome
intracellular ROS burste0

Verbatim

e0

“p27 also induces an intracellular ROS burst in an RBOH-dependent manner”

✓ located verbatim in the source · abstract, characters 96–167 · show in text ↑
t0

“plant RNA virus”

✓ located verbatim in the source · title, characters 80–95 · show in text ↑
Mechanismobservedoriginal resultmeasured

Claim · model-written summary

NbCDPKiso2 activated p27-triggered ROS accumulation and was required for RCNMV replication.

Taxon
plantt0
Interactor
RCNMVRed clover necrotic mosaic viruse0pathogen
Gene
NbCDPKiso2e0
Outcome
p27-triggered ROS accumulationse0

Verbatim

e0

“NbCDPKiso2 was shown to be an activator of the p27-triggered ROS accumulations and to be required for RCNMV replication”

✓ located verbatim in the source · abstract, characters 169–288 · show in text ↑
t0

“plant RNA virus”

✓ located verbatim in the source · title, characters 80–95 · show in text ↑
Mechanismobservedoriginal resultmeasured

Claim · model-written summary

RBOH-derived ROS was essential for robust viral RNA replication.

Taxon
plantt0
Gene
RBOHe0
Outcome
viral RNA replicatione0
Qualifier
essentiale0

Verbatim

e0

“this RBOH-derived ROS is essential for robust viral RNA replication”

✓ located verbatim in the source · abstract, characters 303–370 · show in text ↑
t0

“plant RNA virus”

✓ located verbatim in the source · title, characters 80–95 · show in text ↑
Mechanismobservedoriginal resultmeasured

Claim · model-written summary

Brome mosaic virus replication also required RBOH-derived ROS.

Taxon
plantt0
Interactor
brome mosaic virusBrome mosaic viruse0pathogen
Gene
RBOHe0
Outcome
replication of another (+)RNA virus, brome mosaic viruse0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Brome mosaic virus
Brome mosaic virus · InteractorNikolai Nikitin, Ekaterina Trifonova, Evgeniy Evtushenko, Mikhail Kirpichnikov, Joseph Atabekov, and Olga Karpova · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The need for RBOH-derived ROS was demonstrated for the replication of another (+)RNA virus, brome mosaic virus”

✓ located verbatim in the source · abstract, characters 372–482 · show in text ↑
t0

“plant RNA virus”

✓ located verbatim in the source · title, characters 80–95 · show in text ↑