Gibberellin localization and transport in plants

J Binenbaum, R Weinstain, E Shani - Trends in plant science, 2018 - cell.com
Distribution patterns and finely-tuned concentration gradients of plant hormones govern
plant growth and development. Gibberellin (GA) is a plant hormone regulating key …

Stem cell function during plant vascular development

S Miyashima, J Sebastian, JY Lee, Y Helariutta - The EMBO journal, 2013 - embopress.org
The plant vascular system, composed of xylem and phloem, evolved to connect plant organs
and transport various molecules between them. During the post‐embryonic growth, these …

AUXIN RESPONSE FACTOR7 integrates gibberellin and auxin signaling via interactions between DELLA and AUX/IAA proteins to regulate cambial activity in poplar

J Hu, H Su, H Cao, H Wei, X Fu, X Jiang, Q Song… - The Plant …, 2022 - academic.oup.com
Cambial development in the stems of perennial woody species is rigorously regulated by
phytohormones. Auxin and gibberellin (GA) play crucial roles in stimulating cambial activity …

WOX4 and WOX14 act downstream of the PXY receptor kinase to regulate plant vascular proliferation independently of any role in vascular organisation

JP Etchells, CM Provost, L Mishra, SR Turner - Development, 2013 - journals.biologists.com
In plants, the cambium and procambium are meristems from which vascular tissue is
derived. In contrast to most plant cells, stem cells within these tissues are thin and extremely …

Gibberellins promote polar auxin transport to regulate stem cell fate decisions in cambium

R Mäkilä, B Wybouw, O Smetana, L Vainio, A Solé-Gil… - Nature plants, 2023 - nature.com
Vascular cambium contains bifacial stem cells, which produce secondary xylem to one side
and secondary phloem to the other. However, how these fate decisions are regulated is …

The LBD11-ROS feedback regulatory loop modulates vascular cambium proliferation and secondary growth in Arabidopsis

TVT Dang, S Lee, H Cho, K Choi, I Hwang - Molecular Plant, 2023 - cell.com
Vascular cambium produces the phloem and xylem, vascular tissues that transport
resources and provide mechanical support, making it an ideal target for crop improvement …

The Arabidopsis NPF3 protein is a GA transporter

I Tal, Y Zhang, ME Jørgensen, O Pisanty… - Nature …, 2016 - nature.com
Gibberellins (GAs) are plant hormones that promote a wide range of developmental
processes. While GA signalling is well understood, little is known about how GA is …

In vivo gibberellin gradients visualized in rapidly elongating tissues

A Rizza, A Walia, V Lanquar, WB Frommer, AM Jones - Nature Plants, 2017 - nature.com
The phytohormone gibberellin (GA) is a key regulator of plant growth and development.
Although the upstream regulation and downstream responses to GA vary across cells and …

Strigolactone Promotes Degradation of DWARF14, an α/β Hydrolase Essential for Strigolactone Signaling in Arabidopsis

F Chevalier, K Nieminen, JC Sánchez-Ferrero… - The Plant …, 2014 - academic.oup.com
Strigolactones (SLs) are phytohormones that play a central role in regulating shoot
branching. SL perception and signaling involves the F-box protein MAX2 and the hydrolase …

A PXY-mediated transcriptional network integrates signaling mechanisms to control vascular development in Arabidopsis

ME Smit, SR McGregor, H Sun, C Gough… - The Plant …, 2020 - academic.oup.com
The cambium and procambium generate the majority of biomass in vascular plants. These
meristems constitute a bifacial stem cell population from which xylem and phloem are …