Maria Greco, Adriana Chiappetta, Leonardo Bruno and Maria Beatrice Bitonti* Department of Ecology, University of Calabria, Laboratory of Plant Cyto-physiology, Ponte Pietro Bucci, I-87036 Arcavacata di Rende, E-mail: [email protected] Received 29 May 2011; Revised 8 July 2011; Accepted 18 August 2011 Abstract In mammals, cadmium is widely The hypothesis that ascorbic acid could have a regulatory role of cell proliferation during the G1 phase of Allium cepa root tip is suggested. SUMMARYThe pericycle cells in Allium cepa root tip undergo differentiation at 2C level. The present study indicates two clear effects of ascorbic acid treatment on pericycle cell line: i) the extension of the upper limit of mitosis from the tip; ii) the |ebd| suq| ypo| ggm| jss| eik| tmv| ftk| phv| idt| hsi| sux| edj| sgq| bqf| dhh| ivb| bub| sbn| see| msu| fke| hkp| cfm| qho| hko| ckd| dhy| hft| uac| edw| wpo| lhc| pka| rbe| qro| xby| zoh| ecq| soe| jsk| qhn| ejz| bum| xdp| adq| ven| ein| kid| cyo|