Periodical
Formation of lateral root meristems is a two-stage process
| العنوان: | Formation of lateral root meristems is a two-stage process |
|---|---|
| المؤلفون: | Laskowski, Marta J., Williams, Mary E., Nusbaum, H. Chad, Sussex, Ian M. |
| المصدر: | Development; October 1995, Vol. 121 Issue: 10 p3303-3310, 8p |
| مستخلص: | In both radish and Arabidopsis, lateral root initiation involves a series of rapid divisions in pericycle cells located on the xylem radius of the root. In Arabidopsis, the number of pericycle cells that divide to form a primordium was estimated to be about 11. To determine the stage at which primordia are able to function as root meristems, primordia of different stages were excised and cultured without added hormones. Under these conditions, primordia that consist of 2 cell layers fail to develop while primordia that consist of at least 3-5 cell layers develop as lateral roots. We hypothesize that meristem formation is a two-step process involving an initial period during which a population of rapidly dividing, approximately isodiametric cells that constitutes the primordium is formed, and a sub-sequent stage during which meristem organization takes place within the primordium. |
| قاعدة البيانات: | Supplemental Index |
Full Text Finder | تدمد: | 09501991 14779129 |
|---|---|
| DOI: | 10.1242/dev.121.10.3303 |