Redundant CArG Box Cis-motif Activity Mediates SHATTERPROOF2 Transcriptional Regulation during Arabidopsis thaliana Gynoecium Development.

ABSTRACT: In the Arabidopsis thaliana seed pod, pod shatter and seed dispersal properties are in part determined by the development of a longitudinally orientated dehiscence zone (DZ) that derives from cells of the gynoecial valve margin (VM). Transcriptional regulation of the MADS protein encoding transcription factors genes SHATTERPROOF1 (SHP1) and SHATTERPROOF2 (SHP2) are critical for proper VM identity specification and later on for DZ development. Current models of SHP1 and SHP2 regulation indicate that the transcription factors FRUITFULL (FUL) and REPLUMLESS (RPL) repress these SHP genes in the developing valve and replum domains, respectively. Thus the expression of the SHP genes is restricted to the VM. FUL encodes a MADS-box containing transcription factor that is predicted to act through C

SUBMITTER: Sehra B 

PROVIDER: S-EPMC5650620 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature