N-MYC down-regulated-like proteins regulate meristem initiation by modulating auxin transport and MAX2 expression.

ABSTRACT:

Background

N-MYC down-regulated-like (NDL) proteins interact with the Gβ subunit (AGB1) of the heterotrimeric G protein complex and play an important role in AGB1-dependent regulation of lateral root formation by affecting root auxin transport, auxin gradients and the steady-state levels of mRNA encoding the PIN-FORMED 2 and AUXIN 1 auxin transport facilitators. Auxin transport in aerial tissue follows different paths and utilizes different transporters than in roots; therefore, in the present study, we analyzed whether NDL proteins play an important role in AGB1-dependent, auxin-mediated meristem development.

Methodology/principal findings

Expression levels of NDL gene family members need to be tightly regulated, and altered expression (both over-expression and down-regulat

SUBMITTER: Mudgil Y 

PROVIDER: S-EPMC3817199 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature