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Published byDavid Garrett Modified over 9 years ago
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FLEXGene Consortium Tools for Manipulating the Proteome
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FLEXGene Repository Introduction
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The human genome project will continue to be a fundamental resource for all biological and biomedical research. We believe that access to a repository representing the entire proteome is the next example of a needed common resource.
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Consortium Mission To catalyze a new era of biological and biomedical research by creating a comprehensive gold-standard cDNA repository that enables protein expression in all experimental formats and at any chosen scale
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Executive Project Overview Organization Public/private partnership Seeking 8-10 industrial members Managed under NIH umbrella Organization Public/private partnership Seeking 8-10 industrial members Managed under NIH umbrella Deliverables cDNA clones representing 20,000 human genes Fully sequence-verified Gold standard Protein expression-ready in any context Multiple reputable distributors Long term quality control process Freedom to operate Deliverables cDNA clones representing 20,000 human genes Fully sequence-verified Gold standard Protein expression-ready in any context Multiple reputable distributors Long term quality control process Freedom to operate
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To accelerate the study of protein function, we need a gold-standard cDNA repository
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Proteomics Abundance-based Identify & Quantify Function-based Express & Examine
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A perfect repository would be… Comprehensive – Ultimate goal should be at least one clone per mRNA Addressable – Clones should be indexed to enable the rapid assembly of user-defined subsets Flexible – Cloning technology should enable easy transfer into any vector Expression-ready – Clones should capture exact coding regions and be amenable to addition of fusion tags Highest standard – All clones should be sequence-verified Affordable – Clones should be available at an acceptable cost
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Enabling Technologies Informatics –Genome sequencing projects High-throughput technologies –DNA sequencing –Liquid handling –Storage/retrieval Recombinational Cloning
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Traditional DNA Subcloning
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Individualized strategy required for every gene Days to weeks to obtain subclones Too inefficient for automation
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Moving Genes by Recombination Mix two plasmids and enzyme
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Only the Desired Product Survives Moving Genes by Recombination
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One universal strategy to move cDNAs to any vector Single step, 1 hour reaction High-throughput Near 100% efficient, no mutations Traditional Recombinational
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Shortens Time from Idea to Experiments
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Enables High-Throughput Functional Assays
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Building layers of information about proteins ncncpccn ABAXYZCL –––+–––– – ––––––– +–+––––– 12127611 Localization Interactors Assay #1 Assay #2 Assay #3 Purification method
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