Liha töötlemine
Phages used to Development of phage-resistant bacterial
control food spoilage bacteria can be mutants is another point of concern that may
derived from corresponding foods and food- be overcome using a pool of phage strains,
processing environments. Because phages with each targeting different receptors on the
are highly specific to prokaryotes, it is bacterial cell-wall surface. On the other hand,
unlikely that they can target human eukary- phages continuously co-evolve with bacteria,
268 Chapter 14
adjusting themselves to regain ability to and selective breeding may be tools to
infect mutated bacteria (Weitz et al. 2005). decrease phage specificity, which would
Another major drawback of phage technol- increase the range of bacteria susceptible to
ogy is the difficulty of getting phages to kill control. Further steps may also include devel-