Diverse roles of strigolactones in plant development

Brewer, Philip B., Koltai, Hinanit and Beveridge, Christine A. (2013) Diverse roles of strigolactones in plant development. Molecular Plant, 6 1: 18-28. doi:10.1093/mp/sss130


Author Brewer, Philip B.
Koltai, Hinanit
Beveridge, Christine A.
Title Diverse roles of strigolactones in plant development
Journal name Molecular Plant   Check publisher's open access policy
ISSN 1674-2052
1752-9867
Publication date 2013-01-01
Year available 2012
Sub-type Critical review of research, literature review, critical commentary
DOI 10.1093/mp/sss130
Volume 6
Issue 1
Start page 18
End page 28
Total pages 11
Place of publication Oxford, United Kingdom
Publisher Oxford University Press
Language eng
Abstract With the discovery of strigolactones as root exudate signals that trigger parasitic weed seed germination, and then as a branching inhibitor and plant hormone, the next phase of strigolactone research has quickly revealed this hormone class as a major player in optimizing plant growth and development. From the early stages of plant evolution, it seems that strigolactones were involved in enabling plants to modify growth in order to gain advantage in competition with neighboring organisms for limited resources. For example, a moss plant can alter its growth in response to strigolactones emanating from a neighbor. Within a higher plant, strigolactones appear to be involved in controlling the balance of resource distribution via strategic modification of growth and development. Most notably, higher plants that encounter phosphate deficiency increase strigolactone production, which changes root growth and promotes fungal symbiosis to enhance phosphate intake. The shoot also changes by channeling resources away from unessential leaves and branches and into the main stem and root system. This hormonal response is a key adaption that radically alters whole-plant architecture in order to optimize growth and development under diverse environmental conditions.
Keyword Strigolactone
Branching
Root
Secondary growth
Germination
Symbiosis
Light
Nutrient
Evolution
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes First published online: 15 November 2012.

Document type: Journal Article
Sub-type: Critical review of research, literature review, critical commentary
Collections: Official 2013 Collection
School of Biological Sciences Publications
 
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