The images of the fixed samples were acquired using inverted SP5 confocal microscope (Leica Microsystems, Manheim, Germany) and Leica 1.3 NA 40X oil (HC PL APO), Leica 1.4 NA 63X oil (HC PL APO) and Leica 1.3 NA 63x glycerol (HCX PL APO) objectives. The images were processed using Fiji (http://fiji.sc), Chimera (https://www.cgl.ucsf.edu/chimera/) and MovIT visualization software (BioEmergences, http://bioemergences.iscpif.fr/)33 (link).