Abstract
Tomato is one of the most widely cultivated horticultural plants in the world, while the key volatile compounds of tomato fruits generally derive from fatty acid, carotenoid, phenylalanine, and branched-chain amino acid pathways. As an important endogenous signal molecule, methyl salicylate (MeSA) plays a crucial role in the fruit ripening process of plant. Recently, it has been demonstrated that MeSA can maintain the flavor quality of full ripe tomatoes after cold-storage preservation. However, few research teams attempted to investigate the effects of MeSA plus low temperature treatment on the different volatile biosynthetic pathways of tomatoes previously. Therefore, in this study, the effects of methyl salicylate pre-treatment (0.05 mM MeSA, 24 h) on the volatile profile and flavor-related key gene expressions of tomato fruits stored at 10°C were evaluated for the first time. Our results showed that the loss of volatile compounds in low temperature-treated tomato fruits could be effectively alleviated by MeSA pre-treatment. Although MeSA had no remarkable effect on the formation of carotenoid pathway- and branched-chain amino acid pathway-related volatiles in tomatoes subjected to low temperature, the content of fatty acid pathway-related volatiles (including cis -3-hexenal, hexanal, and trans -2-hexenal) in full red fruits of 10°C MeSA group was remarkably higher than that of 10°C control group. Furthermore, MeSA pre-treatment significantly up-regulated the expression of LOXC or LOXD gene in low temperature-treated fruits at breaker or full red stage, respectively. In conclusion, pre-treatment with MeSA might avoid the loss of aromatic compounds in tomato fruits stored at low temperature by activating the fatty acid pathway.
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Claims 6
Claim · model-written summary
MeSA pretreatment alleviated volatile compound loss in low temperature treated tomato fruit.
- Taxon
- tomato
Solanum lycopersicume0 - Treatment
- MeSA pre-treatmente0
- Outcome
- loss of volatile compoundse0
- Direction
- alleviatede0
- Comparator
- low temperature-treated tomato fruitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the loss of volatile compounds in low temperature-treated tomato fruits could be effectively alleviated by MeSA pre-treatment”
Claim · model-written summary
MeSA did not remarkably affect carotenoid pathway volatiles under low temperature.
- Taxon
- tomatoesSolanum lycopersicume0
- Treatment
- MeSAe0
- Outcome
- formation of carotenoid pathway- and branched-chain amino acid pathway-related volatilese0
- Direction
- no remarkable effecte0
- Qualifier
- low temperaturee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“MeSA had no remarkable effect on the formation of carotenoid pathway- and branched-chain amino acid pathway-related volatiles in tomatoes subjected to low temperature”
Claim · model-written summary
Fatty acid pathway volatiles were higher in full red fruit given MeSA at 10°C than in the 10°C control.
- Taxon
- tomatoesSolanum lycopersicumt0
- Organ / stage
- full red fruitse0
- Treatment
- 10°C MeSA groupe0
- Outcome
- content of fatty acid pathway-related volatilese0
- Direction
- highere0
- Comparator
- 10°C control groupe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomatoes”
e0“the content of fatty acid pathway-related volatiles (including cis -3-hexenal, hexanal, and trans -2-hexenal) in full red fruits of 10°C MeSA group was remarkably higher than that of 10°C control group”
Claim · model-written summary
MeSA significantly upregulated LOXC expression at breaker stage under low temperature.
- Taxon
- tomatoesSolanum lycopersicumt0
- Organ / stage
- breakere0
- Treatment
- MeSA pre-treatmente0
- Gene
- LOXCe0
- Outcome
- expression of LOXCe0
- Direction
- up-regulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomatoes”
e0“MeSA pre-treatment significantly up-regulated the expression of LOXC or LOXD gene in low temperature-treated fruits at breaker or full red stage, respectively”
Claim · model-written summary
MeSA significantly upregulated LOXD expression at full red stage under low temperature.
- Taxon
- tomatoesSolanum lycopersicumt0
- Organ / stage
- full rede0
- Treatment
- MeSA pre-treatmente0
- Gene
- LOXDe0
- Outcome
- expression of LOXC or LOXD genee0
- Direction
- up-regulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomatoes”
e0“MeSA pre-treatment significantly up-regulated the expression of LOXC or LOXD gene in low temperature-treated fruits at breaker or full red stage, respectively”
Claim · model-written summary
Authors propose MeSA pretreatment might prevent aroma loss by activating the fatty acid pathway.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- pre-treatment with MeSAe0
- Outcome
- loss of aromatic compoundse0
- Qualifier
- activating the fatty acid pathwaye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pre-treatment with MeSA might avoid the loss of aromatic compounds in tomato fruits stored at low temperature by activating the fatty acid pathway”
The same questions in other papers
methyl salicylate · molecular: expression · Solanum lycopersicum (tomato)Results agree
1 paper in the same direction as this paper
- positive
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.