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Custom-made zinc-finger nucleases (ZFNs) can induce targeted genome modifications with high efficiency in cell types including Drosophila, C. elegans, plants, and humans. A bottleneck in the application of ZFN technology has been the generation of highly specific engineered zinc-finger arrays. Here we describe OPEN (Oligomerized Pool ENgineering), a rapid,(More)
An efficient method for making directed DNA sequence modifications to plant genes (gene targeting) is at present lacking, thereby frustrating efforts to dissect plant gene function and engineer crop plants that better meet the world's burgeoning need for food, fibre and fuel. Zinc-finger nucleases (ZFNs)-enzymes engineered to create DNA double-strand breaks(More)
Homologous recombination offers great promise for plant genome engineering. This promise has not been realized, however, because when DNA enters plant cells homologous recombination occurs infrequently and random integration predominates. Using a tobacco test system, we demonstrate that chromosome breaks created by zinc-finger nucleases greatly enhance the(More)
Engineered zinc finger nucleases can stimulate gene targeting at specific genomic loci in insect, plant and human cells. Although several platforms for constructing artificial zinc finger arrays using "modular assembly" have been described, standardized reagents and protocols that permit rapid, cross-platform "mixing-and-matching" of the various zinc finger(More)
In the version of this correspondence initially published, the two previously published datasets analyzed were labeled with incorrect references in Figure 1b. Reference 2 should be associated with the second column (80 sites), and reference 3 should be associated with the third column (96 sites). In the " Battle of the chips " section, the Infinium assay(More)
Purified endoplasmic reticulum devoid of contaminating endomembranes has been isolated from both germinating and developing castor bean endosperm by a modified two-step centrifugation procedure. These membranes have been characterised for protein and lipid composition, subfractionated into lumenal and integral membrane protein fractions, and antisera raised(More)
A full-length cDNA encoding a calreticulin-like protein was isolated by immune-screening a germinating castor bean endosperm cDNA library with antisera raised to the total lumenal fraction of purified plant endoplasmic reticulum. The calcium-binding properties of the recombinant protein were characterized and shown to be essentially identical to those(More)
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