Claim · model-written summary
Overexpression raised rosette GA4 levels two- to threefold.
- Taxon
- Arabidopsis
Arabidopsist0 - Organ / stage
- vegetative rosettese0
- Treatment
- Over-expression of any of the cDNAse1
- Outcome
- level of GA4e0
- Direction
- increasee0
- Value
- two- to threefolde0
Not reportedMaterialGeneCompoundInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“GA analysis of the vegetative rosettes showed a two- to threefold increase in the level of GA4”
t0“Arabidopsis”
e1“Over-expression of any of the cDNAs gave rise to seedlings with elongated hypocotyls”
Title
Jeremy P; . Coles andrew L. Phillips; Stephen J. Croker; et al. The Plant Journal 1999. doi:10.1046/j.1365-313x.1999.00410.x
Other claims from this paper (13)
- Observation At least three GA 20-oxidase genes have differential expression.
- Mechanism Bioactive GAs feedback regulate the GA 20-oxidase genes.
- Intervention effect Overexpressing any GA 20-oxidase cDNA elongated seedling hypocotyls.
- Intervention effect Overexpression caused earlier flowering under long and short days.
- Intervention effect Overexpressing plants were 25% taller at maturity.
- Intervention effect AtGA20ox1 antisense plants had short hypocotyls and reduced stem elongation.
- Intervention effect AtGA20ox1 antisense reduced GA4 in rosettes and shoot tips.
- Intervention effect AtGA20ox1 antisense delayed flowering in short days.
- Intervention effect AtGA20ox1 antisense reduced stem elongation more in short days.
- Intervention effect AtGA20ox2 antisense had no apparent effects in long days.
- Intervention effect One AtGA20ox2 antisense line had 20% less stem growth in short days.
- Intervention effect AtGA20ox3 antisense generally had no visible effect.
- Intervention effect One AtGA20ox3 antisense line had short hypocotyls.