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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Smith, Douglas R. Quinlan, Aaron R. Peckham, Heather E. Makowsky, Kathryn Tao, Wei Woolf, Betty Shen, Lei Donahue, William F. Tusneem, Nadeem Stromberg, Michael P. Stewart, Donald A. Zhang, Lu Ranade, Swati S. Warner, Jason B. Lee, Clarence C. Coleman, Brittney E. Zhang, Zheng McLaughlin, Stephen F. Malek, Joel A. Sorenson, Jon M. Blanchard, Alan P. Chapman, Jarrod Hillman, David Chen, Feng Rokhsar, Daniel S. McKernan, Kevin J. Jeffries, Thomas W. Marth, Gabor T. Richardson, Paul M. |
| Description | Country affiliation: United States Author Affiliation: Smith DR ( Agencourt Bioscience Corporation, Beverly, Massachusetts 01915, USA. douglas.smith@agencourt.com) |
| Abstract | Forward genetic mutational studies, adaptive evolution, and phenotypic screening are powerful tools for creating new variant organisms with desirable traits. However, mutations generated in the process cannot be easily identified with traditional genetic tools. We show that new high-throughput, massively parallel sequencing technologies can completely and accurately characterize a mutant genome relative to a previously sequenced parental (reference) strain. We studied a mutant strain of Pichia stipitis, a yeast capable of converting xylose to ethanol. This unusually efficient mutant strain was developed through repeated rounds of chemical mutagenesis, strain selection, transformation, and genetic manipulation over a period of seven years. We resequenced this strain on three different sequencing platforms. Surprisingly, we found fewer than a dozen mutations in open reading frames. All three sequencing technologies were able to identify each single nucleotide mutation given at least 10-15-fold nominal sequence coverage. Our results show that detecting mutations in evolved and engineered organisms is rapid and cost-effective at the whole-genome level using new sequencing technologies. Identification of specific mutations in strains with altered phenotypes will add insight into specific gene functions and guide further metabolic engineering efforts. |
| File Format | HTM / HTML |
| ISSN | 10889051 |
| e-ISSN | 15495469 |
| DOI | 10.1101/gr.077776.108 |
| Journal | Genome Research |
| Issue Number | 10 |
| Volume Number | 18 |
| Language | English |
| Publisher | Cold Spring Harbor Laboratory Press |
| Publisher Date | 2008-10-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Discipline Genetics Discipline Genomics Dna Mutational Analysis Genome, Fungal Mutation Pichia Genetics Sequence Alignment Sequence Analysis, Dna |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Genetics (clinical) |
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