Abstract
Phytohormones play important roles in modulating tomato fruit development and ripening. The 2-oxoglutarate-dependent dioxygenase (2OGD) superfamily containing several subfamilies involved in hormone biosynthesis and metabolism. In this study, we aimed to identify hormone biosynthesis and metabolism-related to 2OGD proteins in tomato and explored their roles in fruit development and ripening. We identified nine 2OGD protein subfamilies involved in hormone biosynthesis and metabolism, including the gibberellin (GA) biosynthetic protein families GA20ox and GA3ox, GA degradation protein families C19-GA2ox and C20-GA2ox, ethylene biosynthetic protein family ACO, auxin degradation protein family DAO, jasmonate hydroxylation protein family JOX, salicylic acid degradation protein family DMR6, and strigolactone biosynthetic protein family LBO. These genes were differentially expressed in different tomato organs. The GA degradation gene SlGA2ox2, and the auxin degradation gene SlDAO1, showed significantly increased expression from the mature-green to the breaker stage during tomato fruit ripening, accompanied by decreased endogenous GA and auxin, indicating that SlGA2ox2 and SlDAO1 were responsible for the reduced GA and auxin concentrations. Additionally, exogenous gibberellin 3 (GA3) and indole-3-acetic acid (IAA) treatment of mature-green fruits delayed fruit ripening and increased the expression of SlGA2ox2 and SlDAO1, respectively. Therefore, SlGA2ox2 and SlDAO1 are implicated in the degradation of GAs and auxin during tomato fruit ripening.
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Claims 14
Claim · model-written summary
Nine 2OGD protein subfamilies involved in hormone biosynthesis and metabolism were identified.
- Taxon
- tomato
Solanum lycopersicumt0 - Gene
- 2OGDe0
- Outcome
- nine 2OGD protein subfamilies involved in hormone biosynthesis and metabolisme0
- Value
- ninee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“We identified nine 2OGD protein subfamilies involved in hormone biosynthesis and metabolism”
t0“Tomato Fruit Ripening”
Claim · model-written summary
The identified 2OGD genes were differentially expressed across tomato organs.
- Taxon
- tomatoSolanum lycopersicume0
- Gene
- genese0
- Outcome
- differentially expressed in different tomato organse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These genes were differentially expressed in different tomato organs”
t0“Tomato Fruit Ripening”
Claim · model-written summary
SlGA2ox2 expression increased significantly from mature-green to breaker stage.
- Taxon
- tomatoSolanum lycopersicume0
- Organ / stage
- mature-green to the breaker stagee0
- Gene
- SlGA2ox2e0
- Outcome
- expressione0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The GA degradation gene SlGA2ox2, and the auxin degradation gene SlDAO1, showed significantly increased expression from the mature-green to the breaker stage during tomato fruit ripening”
Claim · model-written summary
SlDAO1 expression increased significantly from mature-green to breaker stage.
- Taxon
- tomatoSolanum lycopersicume0
- Organ / stage
- mature-green to the breaker stagee0
- Gene
- SlDAO1e0
- Outcome
- expressione0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The GA degradation gene SlGA2ox2, and the auxin degradation gene SlDAO1, showed significantly increased expression from the mature-green to the breaker stage during tomato fruit ripening”
Claim · model-written summary
Endogenous GA decreased during tomato fruit ripening.
- Taxon
- tomatoSolanum lycopersicumt0
- Outcome
- endogenous GAe0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“accompanied by decreased endogenous GA and auxin”
t0“Tomato Fruit Ripening”
Claim · model-written summary
Endogenous auxin decreased during tomato fruit ripening.
- Taxon
- tomatoSolanum lycopersicumt0
- Outcome
- auxine0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“accompanied by decreased endogenous GA and auxin”
t0“Tomato Fruit Ripening”
Claim · model-written summary
The authors infer that SlGA2ox2 causes reduced GA concentrations.
- Taxon
- tomatoSolanum lycopersicumt0
- Gene
- SlGA2ox2e0
- Outcome
- reduced GAe0
- Qualifier
- responsiblee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“SlGA2ox2 and SlDAO1 were responsible for the reduced GA and auxin concentrations”
t0“Tomato Fruit Ripening”
Claim · model-written summary
The authors infer that SlDAO1 causes reduced auxin concentrations.
- Taxon
- tomatoSolanum lycopersicumt0
- Gene
- SlDAO1e0
- Outcome
- auxin concentrationse0
- Qualifier
- responsiblee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“SlGA2ox2 and SlDAO1 were responsible for the reduced GA and auxin concentrations”
t0“Tomato Fruit Ripening”
Claim · model-written summary
Exogenous GA3 delayed ripening of mature-green tomato fruit.
- Taxon
- tomatoSolanum lycopersicumt0
- Organ / stage
- mature-green fruitse0
- Treatment
- gibberellin 3 (GA3)e0
- Outcome
- fruit ripeninge0
- Direction
- delayede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exogenous gibberellin 3 (GA3) and indole-3-acetic acid (IAA) treatment of mature-green fruits delayed fruit ripening”
t0“Tomato Fruit Ripening”
Claim · model-written summary
Exogenous IAA delayed ripening of mature-green tomato fruit.
- Taxon
- tomatoSolanum lycopersicumt0
- Organ / stage
- mature-green fruitse0
- Treatment
- indole-3-acetic acid (IAA)e0
- Outcome
- fruit ripeninge0
- Direction
- delayede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exogenous gibberellin 3 (GA3) and indole-3-acetic acid (IAA) treatment of mature-green fruits delayed fruit ripening”
t0“Tomato Fruit Ripening”
Claim · model-written summary
Exogenous GA3 increased SlGA2ox2 expression.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- gibberellin 3 (GA3)e0
- Gene
- SlGA2ox2e0
- Outcome
- expression of SlGA2ox2e0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exogenous gibberellin 3 (GA3) and indole-3-acetic acid (IAA) treatment of mature-green fruits delayed fruit ripening and increased the expression of SlGA2ox2 and SlDAO1, respectively”
t0“Tomato Fruit Ripening”
Claim · model-written summary
Exogenous IAA increased SlDAO1 expression.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- indole-3-acetic acid (IAA)e0
- Gene
- SlDAO1e0
- Outcome
- SlDAO1e0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exogenous gibberellin 3 (GA3) and indole-3-acetic acid (IAA) treatment of mature-green fruits delayed fruit ripening and increased the expression of SlGA2ox2 and SlDAO1, respectively”
t0“Tomato Fruit Ripening”
Claim · model-written summary
The authors implicate SlGA2ox2 in GA degradation during ripening.
- Taxon
- tomatoSolanum lycopersicume0
- Gene
- SlGA2ox2e0
- Outcome
- degradation of GAse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“SlGA2ox2 and SlDAO1 are implicated in the degradation of GAs and auxin during tomato fruit ripening”
Claim · model-written summary
The authors implicate SlDAO1 in auxin degradation during ripening.
- Taxon
- tomatoSolanum lycopersicume0
- Gene
- SlDAO1e0
- Outcome
- auxine0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“SlGA2ox2 and SlDAO1 are implicated in the degradation of GAs and auxin during tomato fruit ripening”
The same questions in other papers
gibberellin A3 · quality: postharvest · Solanum lycopersicum (tomato)Positive and negative results
1 in the opposite direction
- positive
indole-3-acetic acid · quality: postharvest · Solanum lycopersicum (tomato)Positive and negative results
1 in the opposite direction
- positive
Gibberellic acid · quality: postharvest · Solanum lycopersicum (tomato)Positive and negative results
3 papers in the same direction as this paper · 8 in the opposite direction
- positive
- positive
- positive
8 papers more in this group
See all 12 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.