Abstract
The cuticle is the first physical barrier covering the surface of tomatoes and plays an important role in multiple stress responses. But the molecular regulatory networks of cuticle formation are not fully understood. In this study, we found that SlMYB72 can interact with SlTAGL1 to regulate the formation of fruit cuticle in tomato. Downregulating the expression of SlMYB72 inhibits the formation of fruit cuticle, resulting in a reduced fruit cuticle thickness, accelerated postharvest water loss, and increased susceptibility to Botrytis cinerea. RNA sequencing analysis showed that downregulation of the SlMYB72 gene decreased the expression levels of genes related to fatty acid and cuticle metabolism. SlMYB72 regulates the cuticle formation by directly binding to the promoter of long-chain acyl-coA synthetases (SlLACS1) and medium-chain alkane hydroxylase (SlMAH1). Moreover, SlMYB72 interacts with SlTAGL1, which can enhance the transcriptional activation of SlMYB72 on the SlMAH1 promoter. Overall, our study expands our understanding of the regulation of cuticle formation by SlMYB72 and provides new insights into fruit shelf life extension via manipulation of cuticle content.
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Claims 9
Claim · model-written summary
SlMYB72 interacts with SlTAGL1 to regulate tomato fruit cuticle formation.
- Taxon
- tomato
Solanum lycopersicume0 - Gene
- SlMYB72e0
- Outcome
- formation of fruit cuticlee0
- Qualifier
- interact with SlTAGL1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“SlMYB72 can interact with SlTAGL1 to regulate the formation of fruit cuticle in tomato”
Claim · model-written summary
Downregulating SlMYB72 inhibited fruit cuticle formation.
- Taxon
- tomatoSolanum lycopersicume1
- Treatment
- Downregulating the expression of SlMYB72e0
- Gene
- SlMYB72e0
- Outcome
- formation of fruit cuticlee0
- Direction
- inhibitse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Downregulating the expression of SlMYB72 inhibits the formation of fruit cuticle”
e1“fruit cuticle in tomato”
Claim · model-written summary
Downregulating SlMYB72 reduced fruit cuticle thickness.
- Taxon
- tomatoSolanum lycopersicume1
- Treatment
- Downregulating the expression of SlMYB72e0
- Gene
- SlMYB72e0
- Outcome
- fruit cuticle thicknesse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Downregulating the expression of SlMYB72 inhibits the formation of fruit cuticle, resulting in a reduced fruit cuticle thickness”
e1“fruit cuticle in tomato”
Claim · model-written summary
Downregulating SlMYB72 accelerated postharvest water loss.
- Taxon
- tomatoSolanum lycopersicume1
- Treatment
- Downregulating the expression of SlMYB72e0
- Gene
- SlMYB72e0
- Outcome
- postharvest water losse0
- Direction
- acceleratede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Downregulating the expression of SlMYB72 inhibits the formation of fruit cuticle, resulting in a reduced fruit cuticle thickness, accelerated postharvest water loss”
e1“fruit cuticle in tomato”
Claim · model-written summary
Downregulating SlMYB72 increased susceptibility to Botrytis cinerea.
- Taxon
- tomatoSolanum lycopersicume1
- Treatment
- Downregulating the expression of SlMYB72e0
- Interactor
- Botrytis cinerea
Botrytis cinereae0pathogen - Gene
- SlMYB72e0
- Outcome
- susceptibility to Botrytis cinereae0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Downregulating the expression of SlMYB72 inhibits the formation of fruit cuticle, resulting in a reduced fruit cuticle thickness, accelerated postharvest water loss, and increased susceptibility to Botrytis cinerea”
e1“fruit cuticle in tomato”
Claim · model-written summary
SlMYB72 downregulation decreased expression of genes related to fatty acid and cuticle metabolism.
- Taxon
- tomatoSolanum lycopersicume1
- Treatment
- downregulation of the SlMYB72 genee0
- Gene
- SlMYB72e0
- Outcome
- expression levels of genes related to fatty acid and cuticle metabolisme0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“downregulation of the SlMYB72 gene decreased the expression levels of genes related to fatty acid and cuticle metabolism”
e1“fruit cuticle in tomato”
Claim · model-written summary
SlMYB72 directly binds the SlLACS1 promoter to regulate cuticle formation.
- Taxon
- tomatoSolanum lycopersicume1
- Gene
- SlLACS1e0
- Outcome
- cuticle formatione0
- Qualifier
- directly binding to the promotere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“SlMYB72 regulates the cuticle formation by directly binding to the promoter of long-chain acyl-coA synthetases (SlLACS1) and medium-chain alkane hydroxylase (SlMAH1)”
e1“fruit cuticle in tomato”
Claim · model-written summary
SlMYB72 directly binds the SlMAH1 promoter to regulate cuticle formation.
- Taxon
- tomatoSolanum lycopersicume1
- Gene
- SlMAH1e0
- Outcome
- cuticle formatione0
- Qualifier
- directly binding to the promotere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“SlMYB72 regulates the cuticle formation by directly binding to the promoter of long-chain acyl-coA synthetases (SlLACS1) and medium-chain alkane hydroxylase (SlMAH1)”
e1“fruit cuticle in tomato”
Claim · model-written summary
SlTAGL1 interaction enhanced SlMYB72 transcriptional activation of the SlMAH1 promoter.
- Taxon
- tomatoSolanum lycopersicume1
- Gene
- SlTAGL1e0
- Outcome
- transcriptional activation of SlMYB72 on the SlMAH1 promotere0
- Direction
- enhancee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“SlMYB72 interacts with SlTAGL1, which can enhance the transcriptional activation of SlMYB72 on the SlMAH1 promoter”
e1“fruit cuticle in tomato”
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