ABSTRACT

The formation of tubular membrane bilayer structures (nanotubes)

is a common phenomenon in both artificial membranes (see Iglicˇ

et al., 2003; Karlsson et al., 2001; Kralj-Iglicˇ et al., 2001a; Kralj-Iglicˇ,

2002; Mathivet et al., 1996, and Section 6.4) and cellular systems

(Chinnery et al., 2008; Davis and Sowinski, 2008; Galkina et al., 2005;

Gerdes et al., 2007; Gerdes and Carvalho, 2008; Gimsa et al., 2007;

Hurtig et al., 2010; Iglicˇ et al., 2007b; Koyanagi et al., 2005; O¨nfelt

et al., 2004; Rustom et al., 2004; Sun et al., 2005; Veranicˇ et al., 2008;

Vidulescu et al., 2004; Watkins and Salter, 2005).