Knockdown of strigolactone biosynthesis genes in Populus affects BRANCHED1 expression and shoot architecture.

Abstract excerpt

Plant architecture is modified by a regulatory system that controls axillary bud outgrowth. Key components in this system are strigolactones (SLs) and BRANCHED1, which inhibit bud outgrowth. Their role has been described in herbaceous model systems, including Arabidopsis, rice and pea. However, a role in woody perennial species, including the model tree poplar, has not been unequivocally proven. In this study, we...

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