Strigolactones contribute to shoot elongation and to the formation of leaf margin serrations in Medicago truncatula R108.

ABSTRACT: Strigolactones were recently identified as a new class of plant hormones involved in the control of shoot branching. The characterization of strigolactone mutants in several species has progressively revealed their contribution to several other aspects of development in roots and shoots. In this article, we characterize strigolactone-deficient and strigolactone-insensitive mutants of the model legume Medicago truncatula for aerial developmental traits. The most striking mutant phenotype observed was compact shoot architecture. In contrast with what was reported in other species, this could not be attributed to enhanced shoot branching, but was instead due to reduced shoot elongation. Another notable feature was the modified leaf shape in strigolactone mutants: serrations at the leaf margin

SUBMITTER: Lauressergues D 

PROVIDER: S-EPMC4438446 | biostudies-literature | 2015 Mar

REPOSITORIES: biostudies-literature