“…Standard indirect immunofluorescence or immunohistochemistry was used to detect proteins in wholemount preparations (see Stone et al 1996). The following primary antibodies were used: mouse antiBrdU (Becton Dickinson, Franklin Lakes, NJ, USA), rat anti-BrdU (clone BU1/75; Sera Laboratories, West Sussex, UK), rabbit antiphosphohistone H3 (antipH3; Upstate Biotechnology, Lake Placid, NY, USA), rabbit anti-myosinVI (purchased from University California San Diego, San Diego, CA, USA or from Proteus Biosciences, Ramona, CA, USA), mouse antihair-cell antigen (gift from Dr.…”