Abstract
A potyvirus named guar green-sterile virus (GGSV) has been reported to be associated with a disease of guar (Cyamopsis tetragonoloba (L.)) in southern Africa. Symptoms of leaf chlorosis/ localized necrosis and sterility in guar were obtained using a sucrose-gradient purified GGSV preparation for mechanical inoculation. Potyviruses were also isolated from sterile guar plants grown from seed and from mechanically inoculated guar and bean cultivar hosts, which indicates that GGSV is the causal agent of disease symptoms in guar. Polyacrylamide gel electrophoresis, Western blot (immunoblot), serological analyses, and isolation of an RNA species of approximately 9,4 Kb indicate that GGSV is a potyvirus. Results of mechanical transmissions to bean cultivars used to differentiate bean common mosaic virus (BCMV) and bean common mosaic necrosis virus (BCMNV) strains, comparisons with a local strain of BCMV (BCMV-SA), and serological tests with antisera to BCMV and BCMNV indicate that GGSV may serologically react with several BCMV strains but it is not a known strain or serotype of BCMV. Thus, GGSV may be a new guar legume potyvirus
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Claims 10
Claim · model-written summary
Mechanical inoculation with purified GGSV produced leaf chlorosis/localized necrosis and sterility in guar.
- Taxon
- guar
Cyamopsis tetragonolobae0 - Treatment
- sucrose-gradient purified GGSV preparation for mechanical inoculatione0
- Interactor
- GGSVe0pathogen
- Outcome
- leaf chlorosis/ localized necrosis and sterilitye0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Symptoms of leaf chlorosis/ localized necrosis and sterility in guar were obtained using a sucrose-gradient purified GGSV preparation for mechanical inoculation.”
Claim · model-written summary
Potyviruses were isolated from sterile guar plants grown from seed.
- Taxon
- guarCyamopsis tetragonolobae0
- Outcome
- Potyviruses were also isolatede0
- Qualifier
- grown from seede0
PotyvirusOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Potyviruses were also isolated from sterile guar plants grown from seed and from mechanically inoculated guar and bean cultivar hosts”
Claim · model-written summary
Potyviruses were isolated from mechanically inoculated guar.
- Taxon
- guarCyamopsis tetragonolobae0
- Treatment
- mechanically inoculatede0
- Outcome
- Potyviruses were also isolatede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Potyviruses were also isolated from sterile guar plants grown from seed and from mechanically inoculated guar and bean cultivar hosts”
Claim · model-written summary
Potyviruses were isolated from mechanically inoculated bean cultivar hosts.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Potyviruses were also isolated from sterile guar plants grown from seed and from mechanically inoculated guar and bean cultivar hosts”
Claim · model-written summary
The isolation results indicate that GGSV causes disease symptoms in guar.
- Taxon
- guarCyamopsis tetragonolobae0
- Interactor
- GGSVe0pathogen
- Outcome
- disease symptomse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“which indicates that GGSV is the causal agent of disease symptoms in guar.”
Claim · model-written summary
The analyses indicate that GGSV is a potyvirus.
Verbatim
e0“Polyacrylamide gel electrophoresis, Western blot (immunoblot), serological analyses, and isolation of an RNA species of approximately 9,4 Kb indicate that GGSV is a potyvirus.”
Claim · model-written summary
An RNA species of approximately 9,4 Kb was isolated in the characterization of GGSV.
Not reportedDirection
Verbatim
e0“isolation of an RNA species of approximately 9,4 Kb indicate that GGSV is a potyvirus.”
Claim · model-written summary
GGSV may react serologically with several BCMV strains.
Verbatim
e0“GGSV may serologically react with several BCMV strains but it is not a known strain or serotype of BCMV.”
Claim · model-written summary
GGSV is not a known BCMV strain or serotype.
Verbatim
e0“GGSV may serologically react with several BCMV strains but it is not a known strain or serotype of BCMV.”
Claim · model-written summary
GGSV may be a new guar legume potyvirus.
Verbatim
e0“Thus, GGSV may be a new guar legume potyvirus”
The same questions in other papers
inoculation · physiology: pigments · Cyamopsis tetragonoloba (cluster bean)Positive and negative results
1 paper in the same direction as this paper · 4 in the opposite direction
- positive
- positive
- positive
2 papers more in this group
See all 6 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.