Abstract
The transfer of cultured tomato cells (Lycopersicon esculentum cv VFNT-Cherry) to a low water potential environment resulted in an increased dry weight to fresh weight ratio accompanied by a rapid accumulation of proline. Proline content continued to increase as osmotic adjustment and growth occurred. The initial increase in proline concentration was accompanied by a drop in turgor. However, proline levels continued to increase with a gain in turgor during osmotic adjustment. Thus, the accumulation of proline depended not only on cell water potential, or on the initial loss of turgor but more closely on cell osmotic potential. The ultimate level of proline depended on the level of adaptation. Proline levels remained high after more than 100 cell generations in low water potential media, but declined rapidly after transfer to media with a less negative water potential. Addition of exogenous proline to the medium during water stress and during osmotic downshock alleviated the normally resulting inhibition of growth. The results suggest a positive role for proline accumulation in adaptation of cells to changing external water potentials.
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Claims 10
Claim · model-written summary
Transfer of cultured tomato cells to a low water potential environment increased their dry weight to fresh weight ratio.
- Taxon
- tomato
Solanum lycopersicume0 - Material
- Lycopersicon esculentum cv VFNT-Cherrye0
- Organ / stage
- cultured tomato cellse0
- Treatment
- a low water potential environmente0
- Outcome
- dry weight to fresh weight ratioe0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The transfer of cultured tomato cells (Lycopersicon esculentum cv VFNT-Cherry) to a low water potential environment resulted in an increased dry weight to fresh weight ratio accompanied by a rapid accumulation of proline”
Claim · model-written summary
Transfer of cultured tomato cells to a low water potential environment rapidly increased proline accumulation.
- Taxon
- tomatoSolanum lycopersicume0
- Material
- Lycopersicon esculentum cv VFNT-Cherrye0
- Organ / stage
- cultured tomato cellse0
- Treatment
- a low water potential environmente0
- Outcome
- accumulation of prolinee0
- Direction
- rapid accumulatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The transfer of cultured tomato cells (Lycopersicon esculentum cv VFNT-Cherry) to a low water potential environment resulted in an increased dry weight to fresh weight ratio accompanied by a rapid accumulation of proline”
Claim · model-written summary
Proline content continued to increase during osmotic adjustment and growth of tomato cells, with a gain in turgor.
- Taxon
- tomatoSolanum lycopersicume0
- Material
- Lycopersicon esculentum cv VFNT-Cherrye0
- Outcome
- Proline contente1
- Direction
- continued to increasee1
- Qualifier
- with a gain in turgore3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The transfer of cultured tomato cells (Lycopersicon esculentum cv VFNT-Cherry) to a low water potential environment resulted in an increased dry weight to fresh weight ratio accompanied by a rapid accumulation of proline”
e1“Proline content continued to increase as osmotic adjustment and growth occurred”
e3“However, proline levels continued to increase with a gain in turgor during osmotic adjustment”
Claim · model-written summary
The initial increase in proline concentration was accompanied by a drop in turgor in tomato cells.
- Taxon
- tomatoSolanum lycopersicume0
- Compound
- prolinee2
- Outcome
- turgore2
- Direction
- drope2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The transfer of cultured tomato cells (Lycopersicon esculentum cv VFNT-Cherry) to a low water potential environment resulted in an increased dry weight to fresh weight ratio accompanied by a rapid accumulation of proline”
e2“The initial increase in proline concentration was accompanied by a drop in turgor”
Claim · model-written summary
Proline accumulation depended more closely on cell osmotic potential than on cell water potential or initial turgor loss.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- cell osmotic potentiale4
- Outcome
- accumulation of prolinee4
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The transfer of cultured tomato cells (Lycopersicon esculentum cv VFNT-Cherry) to a low water potential environment resulted in an increased dry weight to fresh weight ratio accompanied by a rapid accumulation of proline”
e4“Thus, the accumulation of proline depended not only on cell water potential, or on the initial loss of turgor but more closely on cell osmotic potential”
Claim · model-written summary
The ultimate level of proline in tomato cells depended on the level of adaptation.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- the level of adaptatione5
- Outcome
- ultimate level of prolinee5
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The transfer of cultured tomato cells (Lycopersicon esculentum cv VFNT-Cherry) to a low water potential environment resulted in an increased dry weight to fresh weight ratio accompanied by a rapid accumulation of proline”
e5“The ultimate level of proline depended on the level of adaptation”
Claim · model-written summary
Proline levels remained high in tomato cells after more than 100 cell generations in low water potential media.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- low water potential mediae6
- Outcome
- Proline levelse6
- Direction
- remained highe6
- Qualifier
- after more than 100 cell generationse6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The transfer of cultured tomato cells (Lycopersicon esculentum cv VFNT-Cherry) to a low water potential environment resulted in an increased dry weight to fresh weight ratio accompanied by a rapid accumulation of proline”
e6“Proline levels remained high after more than 100 cell generations in low water potential media, but declined rapidly after transfer to media with a less negative water potential”
Claim · model-written summary
Proline levels declined rapidly in tomato cells after transfer to media with a less negative water potential.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- transfer to media with a less negative water potentiale6
- Outcome
- Proline levelse6
- Direction
- declined rapidlye6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The transfer of cultured tomato cells (Lycopersicon esculentum cv VFNT-Cherry) to a low water potential environment resulted in an increased dry weight to fresh weight ratio accompanied by a rapid accumulation of proline”
e6“Proline levels remained high after more than 100 cell generations in low water potential media, but declined rapidly after transfer to media with a less negative water potential”
Claim · model-written summary
Addition of exogenous proline alleviated the inhibition of growth of tomato cells under water stress.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- Addition of exogenous proline to the mediume7
- Outcome
- inhibition of growthe7
- Direction
- alleviatede7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The transfer of cultured tomato cells (Lycopersicon esculentum cv VFNT-Cherry) to a low water potential environment resulted in an increased dry weight to fresh weight ratio accompanied by a rapid accumulation of proline”
e7“Addition of exogenous proline to the medium during water stress and during osmotic downshock alleviated the normally resulting inhibition of growth”
Claim · model-written summary
Proline accumulation is suggested to play a positive role in adaptation of tomato cells to changing external water potentials.
- Taxon
- tomatoSolanum lycopersicume0
- Compound
- prolinee7
- Outcome
- adaptation of cells to changing external water potentialse7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The transfer of cultured tomato cells (Lycopersicon esculentum cv VFNT-Cherry) to a low water potential environment resulted in an increased dry weight to fresh weight ratio accompanied by a rapid accumulation of proline”
e7“The results suggest a positive role for proline accumulation in adaptation of cells to changing external water potentials”
The same questions in other papers
proline · disease · Solanum lycopersicum (tomato)Results agree
3 papers in the same direction as this paper
- positive
- positive
- positive
in vitro · disease · Solanum lycopersicum (tomato)Positive and negative results
9 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
7 papers more in this group
See all 11 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.