Abstract
Putative inhibitory effect of ‘Candidatus Phytoplasma mali’ 1/93 mild strain was tested under greenhouse conditions against the related ESFY and the distantly related STOL and AAY strains of ‘Candidatus Phytoplasma prunorum’, ‘Candidatus Phytoplasma solani’ and ‘Candidatus Phytoplasma asteris’, respectively, which are responsible for serious damages and yield losses in fruit orchards across Europe. A consequent decrease of the DNA amount of the virulent GSFY strain analysed by PCR and Real-Time PCR could be observed when the plants were preliminary immunised by 1/93 strain. The cross-protection phenomenon proved to be effective between closely related strains, but no inhibition occurred among distantly related strains due to preliminary infection. Our results support that immunization with a mild, antagonist strain can be of phytopathological relevance in phytoplasmal researches.
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Claims 4
Claim · model-written summary
Preliminary immunization with strain 1/93 decreased DNA of virulent GSFY.
- Taxon
- plantsViridiplantaee0
- Treatment
- preliminary immunised by 1/93 straine0
- Interactor
- GSFY straine0pathogen
- Second interactor
- 1/93 straine0biocontrol_agent
- Outcome
- DNA amount of the virulent GSFY straine0
- Direction
- decreasee0
Not reportedComparator
Verbatim
e0“A consequent decrease of the DNA amount of the virulent GSFY strain analysed by PCR and Real-Time PCR could be observed when the plants were preliminary immunised by 1/93 strain.”
Claim · model-written summary
Cross-protection was effective between closely related phytoplasma strains.
- Taxon
- plantsViridiplantaee1
- Interactor
- 1/93 straine1biocontrol_agent
- Outcome
- cross-protection phenomenon proved to be effectivee0
- Qualifier
- closely related strainse0
Verbatim
e0“The cross-protection phenomenon proved to be effective between closely related strains”
e1“the plants were preliminary immunised by 1/93 strain”
Claim · model-written summary
Preliminary infection did not inhibit distantly related phytoplasma strains.
- Taxon
- plantsViridiplantaee1
- Treatment
- preliminary infectione0
- Interactor
- 1/93 straine1biocontrol_agent
- Outcome
- inhibitione0
- Direction
- no inhibitione0
Not reportedComparator
Verbatim
e0“no inhibition occurred among distantly related strains due to preliminary infection”
e1“the plants were preliminary immunised by 1/93 strain”
Claim · model-written summary
The authors conclude that immunization with a mild antagonist strain could be relevant to phytoplasma research.
- Taxon
- plantsViridiplantaee1
- Interactor
- 1/93 straine1biocontrol_agent
- Outcome
- immunization with a mild, antagonist straine0
Verbatim
e0“immunization with a mild, antagonist strain can be of phytopathological relevance in phytoplasmal researches”
e1“the plants were preliminary immunised by 1/93 strain”
The same questions in other papers
infection · disease · Viridiplantae (plants)Positive and negative results
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See all 9 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.