Date:9/23/2009

h the primary aim of teasing out missing details of their family history. The tools the investigators brought to bear included techniques for isolating and cloning DNA sequences of interest, rewriting specific parts of the genetic code through what's called site-directed mutagenesis and determining the three-dimensional structure of proteins expressed as a result. Their discovery of a double mutation could lead to the development of more accurate classification tools and effective marker-assisted breeding methods. They suggest that this knowledge might also be used in another way, to enable American species and cultivars to produce European-tasting wines, free of the "musty" or "foxy" flavors associated with New World varieties.

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Contact: Patrick Regan regan@zv.tum.de 49-892-892-2743 Technische Universitaet Muenchen Source:Eurekalert

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