Search claims · PlantClaims

Observationobservedoriginal resultmeasured

Claim · model-written summary

Virus replication was demonstrated in Cuscuta.

Taxon: CuscutaCuscutae0
Outcome: Virus replicatione0

Verbatim

e0
“Virus replication could be demonstrated in Cuscuta.”
✓ located verbatim in the source · abstract, characters 1183–1234

Title

Mikona, Cord; Jelkmann, Wilhelm OpenAgrar 2010

Other claims from this paper (10)

Observation Cuscuta reflexa transmitted GLRaV-7 from grapevine to Tetragonia expansa.
Observation Cuscuta europea transmitted GLRaV-7 to Nicotiana occidentalis.
Observation Cuscuta campestris was infected but failed to transmit GLRaV-7.
Method / resource RT-PCR verified virus transmission in all five plant species.
Observation dsRNA gels showed high-molecular-weight viral genome and subgenomic RNA bands.
Observation GLRaV-7 persisted in four experimental plants for over four years.
Observation Infected T. expansa and Cuscuta remained symptomless.
Observation N. occidentalis showed severe stunting and decline.
Observation GLRaV-7 titer differed greatly among host tissues.
Method / resource Experimental hosts and Cuscuta enabled dsRNA extraction for viral genome characterization.

Mechanismauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

The authors propose that failure to form replication complexes restricts virus replication.

Outcome: efficiency of virus replicatione0
Direction: restrictse0
Qualifier: lack of formation of VRCse0

Not reportedTaxon

Verbatim

e0
“lack of formation of VRCs restricts the efficiency of virus replication”
✓ located verbatim in the source · abstract, characters 1039–1110

t0
“tobacco”
✓ located verbatim in the source · title, characters 65–72

Title

Coat protein regulates formation of replication complexes during tobacco mosaic virus infection

S. Asurmendi; R. H. Berg; J. C. Koo; et al. Proceedings of the National Academy of Sciences 2004. doi:10.1073/pnas.0307778101

Other claims from this paper (10)

Observation Movement protein associated with and surrounded the endoplasmic reticulum.
Observation Replicase occurred inside MP bodies and at isolated cellular sites.
Observation Coat protein surrounded viral replication complexes.
Intervention effect Coat protein increased movement protein production.
Intervention effect Coat protein increased replication complex size.
Intervention effect Mutant CP(T42W) reduced movement protein amount.
Intervention effect Mutant CP(T42W) interfered with replication complex formation.
Mechanism The authors propose that failure to form replication complexes restricts movement complex formation.
Mechanism The proposed mechanism restricts cell-to-cell infection spread.
Observation Mutant CP(T42W) provides higher plant coat-protein-mediated protection.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Virus-induced host changes begin ahead of the replication front and persist beyond cessation of replication.

Taxon: plantsViridiplantaet0
Outcome: sequencee0
Qualifier: ahead of the main front of virus replicatione0

Verbatim

e0
“This sequence starts ahead of the main front of virus replication and virus protein accumulation and lasts beyond the time at which virus replication has ceased.”
✓ located verbatim in the source · abstract, characters 323–484

t0
“plants”
✓ located verbatim in the source · title, characters 45–51

Title

Programmed responses to virus replication in plants

A. J. Maule; M. Escaler; M. A. Aranda Molecular Plant Pathology 2000. doi:10.1046/j.1364-3703.2000.00002.x

Other claims from this paper (3)

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Challenge virus replication was incompletely suppressed.

Taxon: CAPSICUM ANUUMt0
Outcome: challenge virus replicatione0
Direction: incomplete suppressione0

Verbatim

e0
“incomplete suppression of challenge virus replication (incomplete cross protection)”
✓ located verbatim in the source · abstract, characters 259–342

t0
“CAPSICUM ANUUM”
✓ located verbatim in the source · title, characters 40–54

Title

VIRUS INTERACTIONS IN MIXED INFECTIONS (CAPSICUM ANUUM).

M. D. Alegbejo UA Campus Repository (The University of Arizona) 1983

Other claims from this paper (16)

Observation PVY and PeMV reciprocally suppressed local lesion production.
Association Increasing challenge virus concentration reduced suppression.
Intervention effect Virus inoculum source did not significantly affect subsequent interference.
Association Local lesion counts were directly related to virus particle counts.
Observation TEV transmitted between Tabasco plants in one pot within four days.
Mechanism TEV transmission probably occurred through root grafts.
Observation Mixed PVY and PeMV infection produced a new PVY strain, PVY-N.
Observation The new strain had changed biological and serological properties.
Observation The new strain was produced only in mixed infections.
Observation The new strain remained stable after six serial transfers.
Association Development of the new strain appears host dependent.
Observation PVY with PeMV did not induce local lesions, systemic necrosis or Special pepper death.
Observation PVY with TEV did not induce local lesions, systemic necrosis or Special pepper death.
Observation PeMV alone caused Tabasco death.
Association TEV behavior in Tabasco mixed infection depended on temperature.
Observation TEV alone caused Tabasco wilt and death regardless of greenhouse temperature or season.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Virus replication was demonstrated in Cuscuta.

Taxon: CuscutaCuscutae0
Outcome: Virus replication could be demonstratede0

Verbatim

e0
“Virus replication could be demonstrated in Cuscuta”
✓ located verbatim in the source · abstract, characters 1183–1233

Title

Replication of Grapevine leafroll-associated virus-7 (GLRaV-7) by Cuscuta Species and Its Transmission to Herbaceous Plants

Cord Mikona; Wilhelm Jelkmann Plant Disease 2010. doi:10.1094/pdis-94-4-0471

Other claims from this paper (12)

Observation Cuscuta reflexa transmitted GLRaV-7 from grapevine to Tetragonia expansa.
Observation Cuscuta europea transmitted GLRaV-7 to Nicotiana occidentalis.
Observation Cuscuta campestris became infected with GLRaV-7.
Observation Cuscuta campestris could not transfer the virus to an experimental host.
Method / resource RT-PCR verified viral transmission from all five plant species.
Observation dsRNA gels showed viral genome and subgenomic RNA bands.
Observation GLRaV-7 persisted in four experimental plant species for more than four years.
Observation Infected T. expansa and Cuscuta species remained symptomless.
Observation Infected N. occidentalis developed severe symptoms, stunting and decline.
Observation GLRaV-7 titers differed greatly between tissues of natural and experimental hosts.
Method / resource Experimental hosts and Cuscuta allowed dsRNA extraction for viral genome characterization.
Recommendation The alternative host plants facilitate nucleic acid extraction and could serve as etiological models.

Observationauthor interpretationoriginal resultmeasured

Claim · model-written summary

STMV RNA requires a helper virus for replication.

Taxon: Nicotiana benthamianaNicotiana benthamianat0
Interactor: STMVSatellite tobacco mosaic viruse0pathogen
Outcome: requires helper virus for replicatione0

Not reportedDirection

Verbatim

e0
“STMV RNA requires helper virus for replication”
✓ located verbatim in the source · abstract, characters 678–724

t0
“Nicotiana benthamiana”
✓ located verbatim in the source · title, characters 80–101

Title

Replication of wild-type and mutant clones of satellite tobacco mosaic virus in Nicotiana benthamiana protoplasts.

G Routh; M N Yassi; T E Mirkov; et al. Journal of General Virology 1997. doi:10.1099/0022-1317-78-6-1271

Other claims from this paper (9)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Localization of viral DNA and replication transcripts identified maize cells in which Maize streak virus replication was active.

Taxon: maizeZea mayse2
Interactor: Maize streak virusMaize streak viruse0pathogen
Outcome: cells in which virus replication was activee6

Verbatim

e0
“Maize streak virus (MSV)”
✓ located verbatim in the source · abstract, characters 0–24

e2
“shoot apical meristem of maize”
✓ located verbatim in the source · abstract, characters 273–303

e6
“Localization of both double-stranded viral DNA and transcripts encoding proteins involved in virus replication identified cells in which virus replication was active”
✓ located verbatim in the source · abstract, characters 1119–1284

Title

Tissue Specificity ofZea maysInfection by Maize Streak Virus

Andrew P. Lucy Molecular Plant-Microbe Interactions 1996. doi:10.1094/mpmi-9-0022

Other claims from this paper (5)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Ivyleaf morning glory sustained virus replication.

Taxon: SoybeanGlycine maxt0
Interactor: ivyleaf morning gloryIpomoea hederaceae0weed
Outcome: sustain virus replicatione0

Verbatim

e0
“several species were found to sustain virus replication, including ivyleaf morning glory”
✓ located verbatim in the source · abstract, characters 378–466

t0
“Soybean vein necrosis-associated virus”
✓ located verbatim in the source · title, characters 16–54

Title

Epidemiology of Soybean vein necrosis-associated virus

Jing Zhou; Ioannis E. Tzanetakis Phytopathology 2013. doi:10.1094/phyto-12-12-0322-r

Other claims from this paper (2)

Method / resource Detection protocols were developed to detect all database virus isolates.
Observation Koch’s postulates were fulfilled using soybean thrips.

Mechanismobservedoriginal resultpositivemeasured

Claim · model-written summary

Beclin1 inhibited virus replication.

Taxon: plantsViridiplantaet0
Gene: Beclin1 (ATG6)e0
Outcome: virus replicatione0
Direction: inhibitse0

Verbatim

e0
“Beclin1 (ATG6), a core component of autophagy, inhibits virus replication”
✓ located verbatim in the source · abstract, characters 180–253

t0
“plants”
✓ located verbatim in the source · title, characters 41–47

Title

Beclin1 restricts RNA virus infection in plants through suppression and degradation of the viral polymerase

Fangfang Li; Changwei Zhang; Yinzi Li; et al. Nature Communications 2018. doi:10.1038/s41467-018-03658-2

Other claims from this paper (8)

Observation TuMV infection activated autophagy in plants.
Observation Beclin1 interacted with TuMV NIb via the conserved GDD motif.
Mechanism The Beclin1–NIb complex was targeted for autophagic degradation, likely via ATG8a.
Intervention effect Autophagy inhibitors inhibited Beclin1-mediated NIb degradation.
Intervention effect Beclin1 deficiency enhanced NIb accumulation and viral infection.
Intervention effect ATG8a deficiency enhanced NIb accumulation and viral infection.
Intervention effect Overexpression of a Beclin1 truncation mutant inhibited virus replication.
Observation Beclin1–RdRp interaction extended to several RNA viruses.

Observationobservedoriginal resultmeasured

Claim · model-written summary

ACMV replication in maize cells was 10 to 20% of wheat dwarf virus replication.

Taxon: maizeZea mayse0
Interactor: ACMVe0pathogen
Second interactor: wheat dwarf virusWheat dwarf viruse0pathogen
Outcome: ACMV replicatione0
Direction: lowerinferrede0
Value: 10 to 20%e0
Comparator: wheat dwarf viruse0

Verbatim

e0
“ACMV replication in maize cells was compared to that of wheat dwarf virus and found to be 10 to 20% of that observed with the monocotyledon-specific virus”
✓ located verbatim in the source · abstract, characters 570–724

Title

Replication of the DNA A component of African cassava mosaic virus in a heterologous system

U. Paszkowski; S.-B. Zhang; I. Potrykus; et al. Journal of General Virology 1993. doi:10.1099/0022-1317-74-12-2725

Other claims from this paper (5)

Observation ACMV DNA A replicated in maize protoplasts.
Observation ACMV DNA A replication in maize protoplasts was 10 to 20% of replication in tobacco protoplasts.
Observation Replication was detected after cell division began in both plant systems.
Intervention effect Insertion of 1165 bp of non-viral DNA prevented ACMV DNA A replication in maize.
Intervention effect Insertion of 1165 bp of non-viral DNA did not prevent ACMV DNA A replication in tobacco.

“virus replication”

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