Halle, Germany
February, 2004
In a recent publication (Nature Biotechnology,
February Issue)
Icon Genetics
Research Centre Freising reports on a novel
technology for generating transgenic plants, which do not
contain a selection marker gene. “This work is a good example of
ICON Genetics’ endeavour to address bio-safety issues, such as
the use of antibiotic resistance genes, in the context of
genetically modified plants by developing new approaches using
state of the art biotechnology”, says Hans-Ulrich Koop,
Co-Founder of ICON Genetics and Research Director of the
Freising site. “In addition”, he points out, “the technology
further strengthens our excellent IP position in plastid
transformation, where during the past years we have developed a
whole set of independent technologies, which give us freedom to
operate in this area.”
ICON Genetics Research Centre Freising focuses on transformation
of chloroplasts, the site of photosynthesis in plant cells. This
approach largely reduces the probability of undesired gene
escape into the environment. Timothy Golds, Group Leader at the
Freising Research Centre: "Our technology provides the highest
level of genetic safety by combining chloroplast transformation
with a system that automatically removes the selection gene from
the transgenic plants. This technological breakthrough is based
on the re-greening of artificially created pigment deficient
acceptor lines together with resistance markers that are unable
to stably integrate into the chloroplast genome. Furthermore",
he adds, "The new system is comparable in efficiency with
existing procedures for chloroplast transformation but has the
additional advantage of reducing the time necessary for
production of the transgenic plants." |