Transcriptome analysis in rice smos1 mutant

ABSTRACT: In this study, we identified a new rice loss-of-function mutant, small organ size1 (smos1), that decreases the final size of various organs due to decreased cell size and abnormal microtubule orientation. SMOS1 encodes an unusual APETALA2 (AP2)-type transcription factor with an imperfect AP2 domain, and its product belongs to the basal AINTEGUMENTA (ANT) lineage, including WRINKLED1 (WRI1) and ADAP. SMOS1 expression was induced by exogenous auxin treatment, and the auxin response element (AuxRE) of the SMOS1 promoter acts as a cis-motif through interaction with auxin response factor (ARF). Furthermore, a functional fluorophore-tagged SMOS1 was localized to the nucleus, supporting the role of SMOS1 as a transcriptional regulator for organ size control. Microarray analysis showed that the sm

ORGANISM(S): Oryza sativa Japonica Group

SUBMITTER: Koichiro Aya 

PROVIDER: E-GEOD-54357 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress