Forward genetics has been enormously empowered by the ability to rapidly identify mutations responsible for phenotype when they occur on a defined, homozygous genetic background. This situation applies in model organisms such as inbred mice and drosophila, for which reference sequences also exist. Core B is dedicated to the identification of ENU- and EMS-induced mutations in these species. The "Resequencing Core" was developed to support the first cycle of funding was the precursor upon which Core B is based. As originally constructed, the resequencing core did not have access to powerful mutation finding methods. Within the framework of this earlier core, robotic systems for validation sequencing were developed, so that mutations within coding sequences or splice junctions could be found in circumscribed critical regions. Later, the same methods were adapted to the validation of putative mutations identified through SOLiD sequencing. At present, the Sequencing Core is in full operation, and SOLiD calls are automatically amplified and then confirmed or excluded as candidates. Core B will continuously update, expand, and perfect software for mutation identification, a crucial element of Projects 1 and 2. Within Core B we will also operate a pipeline for the public release of mutations found in the course of our work. These "incidental mutations" will form the core of an allelic series in the mouse and drosophila genomes, and several thousand such mutations have already been catalogued within Mutagenetix, contributed by our group and by the Goodnow group at Australian National University. As technology improves with the advent of SOLiD 5500XL technology and its successors, validation sequencing may become less central to Core B, and greater emphasis will accordingly be placed upon whole genome sequencing alone as a means of finding mutations. [Indeed, capillary validation sequencing may be replaced entirely by methods such as Ion Torrent sequencing]. Core B will also be responsible for bulk segregation analysis, selected as the mapping technique of choice for its speed and low cost.

Public Health Relevance

Core B is an essential pillar of the Program Project, offering cutting-edge sequencing technology to all of the participating groups. These technologies give a new way of finding mutations rapidly, speeding the achievement of project objectives many fold. This will lead to more rapid implementation of concrete measures in the treatment of viral disease.

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Kuniyoshi, Kanako; Takeuchi, Osamu; Pandey, Surya et al. (2014) Pivotal role of RNA-binding E3 ubiquitin ligase MEX3C in RIG-I-mediated antiviral innate immunity. Proc Natl Acad Sci U S A 111:5646-51
Zeng, Ming; Hu, Zeping; Shi, Xiaolei et al. (2014) MAVS, cGAS, and endogenous retroviruses in T-independent B cell responses. Science 346:1486-92
Lamiable, Olivier; Imler, Jean-Luc (2014) Induced antiviral innate immunity in Drosophila. Curr Opin Microbiol 20:62-8
Majzoub, Karim; Hafirassou, Mohamed Lamine; Meignin, Carine et al. (2014) RACK1 controls IRES-mediated translation of viruses. Cell 159:1086-95
Colak, Elif; Leslie, Alasdair; Zausmer, Kieran et al. (2014) RNA and imidazoquinolines are sensed by distinct TLR7/8 ectodomain sites resulting in functionally disparate signaling events. J Immunol 192:5963-73
Lee, Hanna; Komano, Jun; Saitoh, Yasunori et al. (2013) Zinc-finger antiviral protein mediates retinoic acid inducible gene I-like receptor-independent antiviral response to murine leukemia virus. Proc Natl Acad Sci U S A 110:12379-84
Fukuyama, Hidehiro; Verdier, Yann; Guan, Yongsheng et al. (2013) Landscape of protein-protein interactions in Drosophila immune deficiency signaling during bacterial challenge. Proc Natl Acad Sci U S A 110:10717-22
Kemp, Cordula; Mueller, Stefanie; Goto, Akira et al. (2013) Broad RNA interference-mediated antiviral immunity and virus-specific inducible responses in Drosophila. J Immunol 190:650-8
Baccala, Roberto; Gonzalez-Quintial, Rosana; Blasius, Amanda L et al. (2013) Essential requirement for IRF8 and SLC15A4 implicates plasmacytoid dendritic cells in the pathogenesis of lupus. Proc Natl Acad Sci U S A 110:2940-5
Coste, Franck; Kemp, Cordula; Bobezeau, Vanessa et al. (2012) Crystal structure of Diedel, a marker of the immune response of Drosophila melanogaster. PLoS One 7:e33416

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