How Do Strigolactones Ameliorate Nutrient Deficiencies in Plants?
Author:
- 14 May 2019
- journal article
- research article
- Published by Cold Spring Harbor Laboratory in Cold Spring Harbor Perspectives in Biology
- Vol. 11 (8) , a034686
Abstract
Strigolactones (SLs), a group of plant secondary metabolites, play an important role as a host recognition signal for symbiotic arbuscular mycorrhizal (AM) fungi in the rhizosphere. SLs promote symbioses with other beneficial microbes, including root nodule bacteria. Root parasitic weeds also take advantage of SLs as a clue to locate living host roots. In plants, SLs function as plant hormones regulating various growth and developmental processes including shoot and root architectures. Plants under nutrient deficiencies, especially that of phosphate, promote SL production and exudation to attract symbionts and to optimize shoot and root architecture.Keywords
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