Cytokinin-dependent secondary growth determines root biomass in radish (Raphanus sativus L.).

ABSTRACT: The root serves as an essential organ in plant growth by taking up nutrients and water from the soil and supporting the rest of the plant body. Some plant species utilize roots as storage organs. Sweet potatoes (Ipomoea batatas), cassava (Manihot esculenta), and radish (Raphanus sativus), for example, are important root crops. However, how their root growth is regulated remains unknown. In this study, we characterized the relationship between cambium and radial root growth in radish. Through a comparative analysis with Arabidopsis root expression data, we identified putative cambium-enriched transcription factors in radish and analysed their expression in representative inbred lines featuring distinctive radial growth. We found that cell proliferation activities in the cambium positively c

SUBMITTER: Jang G 

PROVIDER: S-EPMC4507762 | biostudies-literature | 2015 Aug

REPOSITORIES: biostudies-literature