Abstract
Summary Beet ringspot virus (BRSV) isolate IF came from a 1980 bait test on a Scottish soil sample. Between 1982 and 1984, it was used to study possible BRSV seed transmission in potato ( Solanum tuberosum ). To encourage flowering, potato scions were graft-inoculated onto tomato plants and these grafted plants were inoculated with IF. Flowers on BRSV-infected potato shoots were self-pollinated and their seeds collected. BRSV was found readily in pollen from these potato flowers, but never detected in any seedlings that grew from their seeds. Thus, although BRSV was present in pollen, no evidence of potato true seed transmission was obtained. In 1985, IF was preserved by freeze-drying and kept thereafter in a historical virus isolate collection. In 2020, it was subjected to high throughput sequencing and a complete genomic sequence was obtained. No recombination was detected in the IF sequence but its RNA1 and RNA2 were major parents of three, and a minor parent of one, recombinant BRSV isolates, respectively. Phylogenetic analysis of the P1 and P2 components of the coat protein gene encoded on its RNA2 placed the isolate IF sequence within the BRSV lineage. However, too few other BRSV sequences from different countries were present to provide information on its geographical associations.
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Claims 7
Claim · model-written summary
BRSV was found readily in pollen from BRSV-infected potato flowers.
- Taxon
- potato
Solanum tuberosume1 - Organ / stage
- pollene2
- Interactor
- BRSVBovine orthopneumoviruse2pathogen
- Outcome
- found readily in pollene2
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Between 1982 and 1984, it was used to study possible BRSV seed transmission in potato ( Solanum tuberosum )”
e2“BRSV was found readily in pollen from these potato flowers, but never detected in any seedlings that grew from their seeds”
Claim · model-written summary
BRSV was never detected in seedlings grown from seeds of BRSV-infected potato flowers.
- Taxon
- potatoSolanum tuberosume1
- Organ / stage
- seedlingse2
- Interactor
- BRSVBovine orthopneumoviruse2pathogen
- Outcome
- never detected in any seedlingse2
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Between 1982 and 1984, it was used to study possible BRSV seed transmission in potato ( Solanum tuberosum )”
e2“BRSV was found readily in pollen from these potato flowers, but never detected in any seedlings that grew from their seeds”
Claim · model-written summary
No evidence of potato true seed transmission of BRSV was obtained.
- Taxon
- potatoSolanum tuberosume1
- Outcome
- potato true seed transmissione3
- Qualifier
- no evidencee3
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Between 1982 and 1984, it was used to study possible BRSV seed transmission in potato ( Solanum tuberosum )”
e3“no evidence of potato true seed transmission was obtained”
Claim · model-written summary
A complete genomic sequence of the archival BRSV isolate was obtained by high throughput sequencing.
- Taxon
- potatoSolanum tuberosume1
- Outcome
- complete genomic sequencee4
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Between 1982 and 1984, it was used to study possible BRSV seed transmission in potato ( Solanum tuberosum )”
e4“In 2020, it was subjected to high throughput sequencing and a complete genomic sequence was obtained”
Claim · model-written summary
The BRSV isolate IF showed no recombination.
- Taxon
- potatoSolanum tuberosume1
- Outcome
- recombinatione5
- Qualifier
- No recombination was detected in the IF sequencee5
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Between 1982 and 1984, it was used to study possible BRSV seed transmission in potato ( Solanum tuberosum )”
e5“No recombination was detected in the IF sequence but its RNA1 and RNA2 were major parents of three, and a minor parent of one, recombinant BRSV isolates, respectively”
Claim · model-written summary
RNA1 and RNA2 of isolate IF were major parents of three recombinant BRSV isolates and a minor parent of one.
- Taxon
- potatoSolanum tuberosume1
- Outcome
- major parents of threee5
- Value
- threee5
- Qualifier
- a minor parent of onee5
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Between 1982 and 1984, it was used to study possible BRSV seed transmission in potato ( Solanum tuberosum )”
e5“No recombination was detected in the IF sequence but its RNA1 and RNA2 were major parents of three, and a minor parent of one, recombinant BRSV isolates, respectively”
Claim · model-written summary
Phylogenetic analysis placed the isolate IF sequence within the BRSV lineage.
- Taxon
- potatoSolanum tuberosume1
- Gene
- coat protein genee6
- Outcome
- placed the isolate IF sequence within the BRSV lineagee6
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Between 1982 and 1984, it was used to study possible BRSV seed transmission in potato ( Solanum tuberosum )”
e6“Phylogenetic analysis of the P1 and P2 components of the coat protein gene encoded on its RNA2 placed the isolate IF sequence within the BRSV lineage”