Journal
PLANT BIOLOGY
Volume 20, Issue 3, Pages 426-432Publisher
WILEY
DOI: 10.1111/plb.12711
Keywords
Auxin; bending; lateral root; PRE3; secondary structure; WOX11
Categories
Funding
- School in Biotechnology, Biosciences and Surgical Technologies of the University of Insubria
- University of Insubria
- EC FP7 Project [ZEPHYR-308313]
- Gatsby Foundation [GAT3395/PR3]
- National Science Foundation
- Biotechnology and Biological Sciences Research Council grant [BB/N013158/1]
- University of Helsinki [799992091]
- European Research Council Advanced Investigator Grant SYMDEV [323052]
- Academy of Finland Centre of Excellence programme [63053034]
- BBSRC [BB/N013158/1] Funding Source: UKRI
Ask authors/readers for more resources
The spatial deployment of lateral roots determines the ability of a plant to interact with the surrounding environment for nutrition and anchorage. This paper shows that besides the pericycle, the vascular cambium becomes active in Arabidopsis thaliana taproot at a later stage of development and is also able to form new lateral roots. To demonstrate the above, we implemented a two-step approach in which the first step leads to development of a secondary structure in A.thaliana taproot, and the second applies a mechanical stress on the vascular cambium to initiate formation of a new lateral root primordium. GUS staining showed PRE3, DR5 and WOX11 signals in the cambial zone of the root during new lateral root formation. An advanced level of wood formation, characterized by the presence of medullar rays, was achieved. Preliminary investigations suggest the involvement of auxin and two transcription factors (PRE3/ATBS1/bHLH135/TMO7 and WOX11) in the transition of some vascular cambium initials from a role as producers of xylem/phloem mother cells to founder cells of a new lateral root primordium.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available