Synthetic genomics
The J. Craig Venter Institute is working in this field. The team of about 20 researchers is led by  Nobel laureate Hamilton Smith, DNA researcher Craig Venter and microbiologist Clyde A. Hutchison III. The Venter group has put together a semi-synthetic Mycoplasma genitalium bacterial genome by recombination of 25 overlapping fragments. This was done in a single step: