Abstract
BACKGROUND: The dwarf tomato variety Micro-Tom has been used as a plant model for studies of plant development. However, its response to environmental and agricultural factors has not been well studied. This work studies the phytochemical content of Micro-Tom tomato and its comparative response to saline and nutritional (N, K and Ca) stresses with regard to a commercial variety. RESULTS: The chromatographic profiles of Micro-Tom were similar to those of the commercial variety and the only differences appear to be the concentration of the components. In Micro-Tom, the concentrations of sugars and organic acids increased by salinity in a lesser extent than in Optima. Moreover, contrary to that observed in the commercial variety, phenolic compounds and vitamin C did not increase by salinity in the dwarf variety. However, both varieties increased similarly the concentrations of carotenoids under saline conditions. Finally, fruit yield and most primary and secondary metabolite concentrations in Micro-Tom were not affected by N, K or Ca limitation. CONCLUSIONS: The mutations leading to the dwarf phenotype did not greatly alter the metabolite profiles but studies using Micro-Tom as a plant model should consider the lower capacity for sugars and organic acids under saline conditions and the greater tolerance to nutrient limitation of the dwarf variety.
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Claims 8
Claim · model-written summary
Micro-Tom and the commercial variety had similar chromatographic profiles.
- Taxon
- tomato
Solanum lycopersicumt0 - Material
- Micro-Tome0
- Outcome
- chromatographic profilese0
- Comparator
- commercial varietye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The chromatographic profiles of Micro-Tom were similar to those of the commercial variety and the only differences appear to be the concentration of the components.”
t0“tomato”
Claim · model-written summary
Salinity increased Micro-Tom sugars less than in Optima.
- Taxon
- tomatoSolanum lycopersicumt0
- Material
- Micro-Tome0
- Treatment
- salinitye0
- Outcome
- concentrations of sugarse0
- Direction
- increasede0
- Comparator
- Optimae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Micro-Tom, the concentrations of sugars and organic acids increased by salinity in a lesser extent than in Optima.”
t0“tomato”
Claim · model-written summary
Salinity increased Micro-Tom organic acids less than in Optima.
- Taxon
- tomatoSolanum lycopersicumt0
- Material
- Micro-Tome0
- Treatment
- salinitye0
- Outcome
- organic acidse0
- Direction
- increasede0
- Comparator
- Optimae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Micro-Tom, the concentrations of sugars and organic acids increased by salinity in a lesser extent than in Optima.”
t0“tomato”
Claim · model-written summary
Salinity did not increase phenolic compounds in Micro-Tom.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- salinitye0
- Outcome
- phenolic compoundse0
- Direction
- did not increasee0
Not reportedMaterialComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“phenolic compounds and vitamin C did not increase by salinity in the dwarf variety.”
t0“tomato”
Claim · model-written summary
Salinity did not increase vitamin C in Micro-Tom.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- salinitye0
- Outcome
- vitamin Ce0
- Direction
- did not increasee0
Not reportedMaterialComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“phenolic compounds and vitamin C did not increase by salinity in the dwarf variety.”
t0“tomato”
Claim · model-written summary
Salinity increased carotenoids similarly in both varieties.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- saline conditionse0
- Outcome
- concentrations of carotenoidse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“both varieties increased similarly the concentrations of carotenoids under saline conditions.”
t0“tomato”
Claim · model-written summary
N, K and Ca limitation did not affect Micro-Tom fruit yield.
- Taxon
- tomatoSolanum lycopersicumt0
- Material
- Micro-Tome0
- Treatment
- N, K or Ca limitatione0
- Outcome
- fruit yielde0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fruit yield and most primary and secondary metabolite concentrations in Micro-Tom were not affected by N, K or Ca limitation.”
t0“tomato”
Claim · model-written summary
N, K and Ca limitation did not affect most Micro-Tom metabolite concentrations.
- Taxon
- tomatoSolanum lycopersicumt0
- Material
- Micro-Tome0
- Treatment
- N, K or Ca limitatione0
- Outcome
- primary and secondary metabolite concentrationse0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fruit yield and most primary and secondary metabolite concentrations in Micro-Tom were not affected by N, K or Ca limitation.”
t0“tomato”
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