English
 
User Manual Privacy Policy Disclaimer Contact us
  Advanced SearchBrowse

Item

ITEM ACTIONSEXPORT
 
 
DownloadE-Mail
  The regulatory landscape of a core maize domestication module controlling bud dormancy and growth repression

Dong, Z., Xiao, Y., Govindarajulu, R., Feil, R., Siddoway, M. L., Nielsen, T., et al. (2019). The regulatory landscape of a core maize domestication module controlling bud dormancy and growth repression. Nature Communications, 10(1): 3810. doi:10.1038/s41467-019-11774-w.

Item is

Basic

show hide
Item Permalink: http://hdl.handle.net/21.11116/0000-0004-95A4-A Version Permalink: http://hdl.handle.net/21.11116/0000-0004-95A5-9
Genre: Journal Article

Files

show Files

Locators

show

Creators

show
hide
 Creators:
Dong, Zhaobin1, Author
Xiao, Yuguo1, Author
Govindarajulu, Rajanikanth1, Author
Feil, R.2, Author              
Siddoway, Muriel L.1, Author
Nielsen, Torrey1, Author
Lunn, J. E.2, Author              
Hawkins, Jennifer1, Author
Whipple, Clinton1, Author
Chuck, George1, Author
Affiliations:
1external, ou_persistent22              
2System Regulation, Department Stitt, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753327              

Content

show
hide
Free keywords: -
 Abstract: Many domesticated crop plants have been bred for increased apical dominance, displaying greatly reduced axillary branching compared to their wild ancestors. In maize, this was achieved through selection for a gain-of-function allele of the TCP transcription factor teosinte branched1 (tb1). The mechanism for how a dominant Tb1 allele increased apical dominance, is unknown. Through ChIP seq, RNA seq, hormone and sugar measurements on 1 mm axillary bud tissue, we identify the genetic pathways putatively regulated by TB1. These include pathways regulating phytohormones such as gibberellins, abscisic acid and jasmonic acid, but surprisingly, not auxin. In addition, metabolites involved in sugar sensing such as trehalose 6-phosphate were increased. This suggests that TB1 induces bud suppression through the production of inhibitory phytohormones and by reducing sugar levels and energy balance. Interestingly, TB1 also putatively targets several other domestication loci, including teosinte glume architecture1, prol1.1/grassy tillers1, as well as itself. This places tb1 on top of the domestication hierarchy, demonstrating its critical importance during the domestication of maize from teosinte.

Details

show
hide
Language(s): eng - English
 Dates: 2019
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1038/s41467-019-11774-w
Other: Dong2019
 Degree: -

Event

show

Legal Case

show

Project information

show

Source 1

show
hide
Title: Nature Communications
  Abbreviation : Nat. Commun.
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: London : Nature Publishing Group
Pages: - Volume / Issue: 10 (1) Sequence Number: 3810 Start / End Page: - Identifier: ISSN: 2041-1723
CoNE: https://pure.mpg.de/cone/journals/resource/2041-1723