Claim · model-written summary
Long-day transfer produced shoot-apex morphological changes associated with flowering transition.
- Taxon
- Arabidopsis
Arabidopsist0 - Organ / stage
- shoot apexe0
- Treatment
- long-day photoperiodse1
- Outcome
- morphological changes at the shoot apex associated with the transition to floweringe0
- Comparator
- short-e1
Not reportedMaterialGeneCompoundInteractorInteractor roleSecond interactorSecond interactor roleSettingDirectionValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there were morphological changes at the shoot apex associated with the transition to flowering”
e1“transferring plants from short- to long-day photoperiods”
t0“Arabidopsis”
Title
GAMYB-like Genes, Flowering, and Gibberellin Signaling in Arabidopsis
Gregory F.W. Gocal; Candice C. Sheldon; Frank Gubler; et al. PLANT PHYSIOLOGY 2001. doi:10.1104/pp.010442
Other claims from this paper (12)
- Method / resource AtMYB33, AtMYB65 and AtMYB101 substituted for barley GAMYB in promoter transactivation.
- Intervention effect Long-day transfer increased Arabidopsis petiole growth rate and erectness within 1 to 2 days.
- Intervention effect Petiole GA(1) accumulation increased 11-fold following long-day transfer.
- Intervention effect Petiole GA(4) accumulation increased threefold following long-day transfer.
- Intervention effect AtMYB33 expression at the shoot apex increased after long-day transfer.
- Intervention effect Paclobutrazol blocked long-day-induced petiole elongation.
- Intervention effect GA treatment induced flowering under short days.
- Intervention effect GA treatment increased shoot-apex AtMYB33 expression.
- Intervention effect GA treatment elongated petioles and made them erect.
- Observation AtMYB33 bound an eight-base-pair sequence in the LEAFY promoter.
- Observation The same LEAFY promoter sequence was important to its GA response.
- Mechanism The authors suggest GAMYB-like genes may mediate GA signaling in growth and flowering.