The poplar MYB master switches bind to the SMRE site and activate the secondary wall biosynthetic program during wood formation.

ABSTRACT: Wood is mainly composed of secondary walls, which constitute the most abundant stored carbon produced by vascular plants. Understanding the molecular mechanisms controlling secondary wall deposition during wood formation is not only an important issue in plant biology but also critical for providing molecular tools to custom-design wood composition suited for diverse end uses. Past molecular and genetic studies have revealed a transcriptional network encompassing a group of wood-associated NAC and MYB transcription factors that are involved in the regulation of the secondary wall biosynthetic program during wood formation in poplar trees. Here, we report the functional characterization of poplar orthologs of MYB46 and MYB83 that are known to be master switches of secondary wall biosynthesi

SUBMITTER: Zhong R 

PROVIDER: S-EPMC3726746 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature