The J. Craig Venter Institute, Rockville, MD 20850, USA. jgoll@jcvi.org|The J. Craig Venter Institute, Rockville, MD 20850, USA. jgoll@jcvi.org|The J. Craig Venter Institute, Rockville, MD 20850, USA. jgoll@jcvi.org|The J. Craig Venter Institute, Rockville, MD 20850, USA. jgoll@jcvi.org|The J. Craig Venter Institute, Rockville, MD 20850, USA. jgoll@jcvi.org|The J. Craig Venter Institute, Rockville, MD 20850, USA. jgoll@jcvi.org