TY - JOUR AU - AB - Downloaded from genesdev.cshlp.org on November 16, 2021 - Published by Cold Spring Harbor Laboratory Press RESEARCH COMMUNICATION a candidate cell fate determinant, but SHR protein is Mosaic analyses using marked transiently detected in both daughter cells after asym- metric cell division and thus is not an intrinsically seg- activation and deletion clones regated determinant. dissect Arabidopsis scr mutants form a single ground tissue layer that ex- presses both cortical and endodermal markers. SCR is SCARECROW action expressed in the endodermis, the ground tissue stem in asymmetric cell division cells, and the QC (Scheres et al. 1995; Di Laurenzio et al. 1996), and SHR is required for up-regulation of SCR ex- Renze Heidstra, David Welch, and Ben Scheres pression in the ground tissue (Helariutta et al. 2000). The mixed fate of ground tissue cells in scr suggests that it Department of Molecular Cell Biology, Utrecht University, does not encode a fate determinant but that it controls 3584 CH Utrecht, The Netherlands asymmetric cell division. Mutant analysis has not deter- mined whether SCR is involved in asymmetric fate sepa- In the Arabidopsis root meristem, ground tissue stem ration (Fig. 1b, 3), endodermis specification (Fig. 1b, 1), or cell daughters perform an TI - Mosaic analyses using marked activation and deletion clones dissect Arabidopsis SCARECROW action in asymmetric cell division JF - Genes & Development DO - 10.1101/gad.305504 DA - 2004-08-15 UR - https://www.deepdyve.com/lp/unpaywall/mosaic-analyses-using-marked-activation-and-deletion-clones-dissect-i-CFqtubln2c DP - DeepDyve ER -