Forever young.
Propagation of a species requires periodic cell renewal to avoid clonal senescence. Liu et al. (2010) now describe a new mechanism of cell renewal in budding yeast, in which damaged protein aggregates are transported out of the daughter buds along actin cables to preserve youthfulness.
Paul F. Glenn Lab, Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. leng@mit.edu
Leonard
L
Guarente
D000199:Actins / Q000378:metabolism; D021381:Protein Transport; D012441:Saccharomyces cerevisiae / Q000166:cytology* / Q000378:metabolism; D029701:Saccharomyces cerevisiae Proteins / Q000378:metabolism
D000199:Actins; D029701:Saccharomyces cerevisiae Proteins