Abstract
Tungro virus infection stimulates proline accumulation in leaves of rice ( Oryza sativa L.), especially in a sensitive cultivar, Taichung Native 1. Disease‐induced proline accumulation increases with the severity of the disease. Proline also accumulates in senescing, detached healthy rice leaves. The magnitude of proline accumulation in these leaves was further accentuated by ABA and retarded by kinetin. In the absence of drought stress, virus infection induces severe symptoms (stunting) in a drought tolerant cultivar (Lalnakanda 41) when compared to cultivars with intermediate (MW 10) and high sensitivity (Cauvery) to drought. Thus tungro virus mimics water stress in inducing proline accumulation in rice leaves. In both cases a common factor, ABA, may mediate proline accumulation. In drought stress, proline accumulation is associated with tolerance, while in virus stress, proline accumulation is connected with sensitivity. It is, therefore, clear that proline cannot always act to relieve physiological stress.
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Claims 11
Claim · model-written summary
Tungro virus infection stimulates proline accumulation in rice leaves.
- Taxon
- Oryza sativa
Oryza sativae1 - Treatment
- Tungro virus infectione1
- Interactor
- Tungro viruse1pathogen
- Outcome
- proline accumulatione1
- Direction
- stimulatese1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Tungro virus infection stimulates proline accumulation in leaves of rice ( Oryza sativa L.)”
Claim · model-written summary
Proline accumulation increases with the severity of the disease.
- Taxon
- riceOryza sativae1
- Treatment
- severity of the diseasee2
- Outcome
- proline accumulatione2
- Direction
- increasese2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Tungro virus infection stimulates proline accumulation in leaves of rice ( Oryza sativa L.)”
e2“proline accumulation increases with the severity of the disease”
Claim · model-written summary
Proline also accumulates in senescing, detached healthy rice leaves.
- Taxon
- riceOryza sativae3
- Organ / stage
- senescing, detached healthy rice leavese3
- Outcome
- Prolinee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Proline also accumulates in senescing, detached healthy rice leaves”
Claim · model-written summary
ABA further accentuates proline accumulation in senescing detached rice leaves.
- Taxon
- riceOryza sativae1
- Treatment
- ABAe4
- Outcome
- proline accumulatione4
- Direction
- accentuatede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Tungro virus infection stimulates proline accumulation in leaves of rice ( Oryza sativa L.)”
e4“The magnitude of proline accumulation in these leaves was further accentuated by ABA”
Claim · model-written summary
Kinetin retards proline accumulation in senescing detached rice leaves.
- Taxon
- riceOryza sativae1
- Treatment
- kinetine5
- Outcome
- proline accumulatione4
- Direction
- retardede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Tungro virus infection stimulates proline accumulation in leaves of rice ( Oryza sativa L.)”
e4“The magnitude of proline accumulation in these leaves was further accentuated by ABA”
e5“retarded by kinetin”
Claim · model-written summary
Virus infection induces severe symptoms in the drought-tolerant cultivar Lalnakanda 41 compared with cultivars of intermediate and high drought sensitivity.
- Taxon
- riceOryza sativae1
- Material
- Lalnakanda 41e6
- Treatment
- virus infectione6
- Outcome
- severe symptomse6
- Direction
- inducese6
- Comparator
- cultivars with intermediate (MW 10) and high sensitivity (Cauvery) to droughte6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Tungro virus infection stimulates proline accumulation in leaves of rice ( Oryza sativa L.)”
e6“virus infection induces severe symptoms (stunting) in a drought tolerant cultivar (Lalnakanda 41) when compared to cultivars with intermediate (MW 10) and high sensitivity (Cauvery) to drought”
Claim · model-written summary
Tungro virus mimics water stress in inducing proline accumulation in rice leaves.
- Taxon
- riceOryza sativae7
- Interactor
- tungro viruse7pathogen
- Outcome
- proline accumulatione7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“tungro virus mimics water stress in inducing proline accumulation in rice leaves”
Claim · model-written summary
ABA may mediate proline accumulation in both drought and virus stress.
- Taxon
- riceOryza sativae1
- Compound
- ABAe2
- Outcome
- proline accumulatione2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Tungro virus infection stimulates proline accumulation in leaves of rice ( Oryza sativa L.)”
e2“a common factor, ABA, may mediate proline accumulation”
Claim · model-written summary
In drought stress, proline accumulation is associated with tolerance.
- Taxon
- riceOryza sativae1
- Treatment
- drought stresse2
- Outcome
- proline accumulatione2
- Direction
- associated withe2
- Qualifier
- tolerancee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Tungro virus infection stimulates proline accumulation in leaves of rice ( Oryza sativa L.)”
e2“In drought stress, proline accumulation is associated with tolerance”
Claim · model-written summary
In virus stress, proline accumulation is connected with sensitivity.
- Taxon
- riceOryza sativae1
- Treatment
- virus stresse2
- Outcome
- proline accumulatione2
- Direction
- connected withe2
- Qualifier
- sensitivitye2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Tungro virus infection stimulates proline accumulation in leaves of rice ( Oryza sativa L.)”
e2“in virus stress, proline accumulation is connected with sensitivity”
Claim · model-written summary
Proline cannot always act to relieve physiological stress.
- Taxon
- riceOryza sativae1
- Compound
- prolinee2
- Outcome
- relieve physiological stresse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Tungro virus infection stimulates proline accumulation in leaves of rice ( Oryza sativa L.)”
e2“proline cannot always act to relieve physiological stress”
The same questions in other papers
infection · physiology: osmolytes · Oryza sativa (rice)Positive and negative results
4 papers in the same direction as this paper · 4 in the opposite direction
- positive
- positive
- positive
5 papers more in this group
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.