| 1. |
- McGinn, Steven, et al.
(författare)
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New Technologies for DNA analysis-A review of the READNA Project.
- 2016
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Ingår i: New Biotechnology. - : Elsevier BV. - 1876-4347 .- 1871-6784.
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Forskningsöversikt (refereegranskat)abstract
- The REvolutionary Approaches and Devices for Nucleic Acid analysis (READNA) project received funding from the European Commission for 4 1/2 years. The objectives of the project revolved around technological developments in nucleic acid analysis. The project partners have discovered, created and developed a huge body of insights into nucleic acid analysis, ranging from improvements and implementation of current technologies to the most promising sequencing technologies that constitute a 3(rd) and 4(th) generation of sequencing methods with nanopores and in situ sequencing, respectively.
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| 2. |
- Dahl, Fredrik, et al.
(författare)
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Multigene amplification and massively parallel sequencing for cancer mutation discovery
- 2007
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Ingår i: Proceedings of the National Academy of Sciences of the United States of America. - : Proceedings of the National Academy of Sciences. - 0027-8424 .- 1091-6490. ; 104:22, s. 9387-9392
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Tidskriftsartikel (refereegranskat)abstract
- We have developed a procedure for massively parallel resequencing of multiple human genes by combining a highly multiplexed and target-specific amplification process with a high-throughput parallel sequencing technology. The amplification process is based on oligonucleotide constructs, called selectors, that guide the circularization of specific DNA target regions. Subsequently, the circularized target sequences are amplified in multiplex and analyzed by using a highly parallel sequencing-by-synthesis technology. As a proof-of-concept study, we demonstrate parallel resequencing of 10 cancer genes covering 177 exons with average sequence coverage per sample of 93%. Seven cancer cell lines and one normal genomic DNA sample were studied with multiple mutations and polymorphisms identified among the 10 genes. Mutations and polymorphisms in the TP53 gene were confirmed by traditional sequencing.
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| 3. |
- Jarvius, Jonas, et al.
(författare)
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Digital Quantification using Amplified Single-Molecule Detection
- 2006
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Ingår i: Nature Methods. - 1548-7091 .- 1548-7105. ; 3:9, s. 725-727
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Tidskriftsartikel (refereegranskat)abstract
- We describe a scheme for biomolecule enumeration by converting nanometer-scale specific molecular recognition events mediated by rolling-circle amplification to fluorescent micrometer-sized DNA molecules amenable to discrete optical detection. Our amplified single-molecule detection (SMD) approach preserves the discrete nature of the molecular population, allowing multiplex detection and highly precise quantification of molecules over a dynamic range of seven orders of magnitude. We apply the method for sensitive detection and quantification of the bacterial pathogen Vibrio cholerae.
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| 4. |
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| 5. |
- Ke, Rongqin, et al.
(författare)
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Improving Precision of Proximity Ligation Assay by Amplified Single Molecule Detection
- 2013
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Ingår i: PLOS ONE. - : Public Library of Science (PLoS). - 1932-6203. ; 8:7
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Tidskriftsartikel (refereegranskat)abstract
- Proximity ligation assay (PLA) has been proven to be a robust protein detection method. The technique is characterized by high sensitivity and specificity, but the assay precision is probably limited by the PCR readout. To investigate this potential limitation and to improve precision, we developed a digital proximity ligation assay for protein measurement in fluids based on amplified single molecule detection. The assay showed significant improvements in precision, and thereby also detection sensitivity, over the conventional real-time PCR readout.
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| 6. |
- Landegren, Ulf, et al.
(författare)
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Molecular tools for a molecular medicine : analyzing genes, transcripts and proteins using padlock and proximity probes
- 2004
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Ingår i: Journal of Molecular Recognition. - : Wiley. - 0952-3499 .- 1099-1352. ; 17:3, s. 194-7
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Tidskriftsartikel (refereegranskat)abstract
- Procedures and reagents are needed to specifically detect all the macromolecules that are being identified in the course of genome projects. We discuss how this challenge may be met using a set of ligation-based reagents termed padlock probes and proximity ligation probes. These probes include elements with affinity for specific nucleic acid and protein molecules, respectively, along with unique identifier DNA sequence elements that encode the identity of the recognized target molecules. The information content of DNA strands that form in the detection reactions are recorded after amplification, allowing the recognized target molecules to be identified. The procedures permit highly specific solution-phase or localized analyses of large sets of target molecules as required in future molecular analyses.
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| 7. |
- Landegren, Ulf, et al.
(författare)
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Padlock and proximity probes for in situ and array-based analyses : tools for the post genomic era
- 2003
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Ingår i: Comparative and functional genomics. - : Hindawi Limited. - 1531-6912 .- 1532-6268. ; 4:5, s. 525-30
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Tidskriftsartikel (refereegranskat)abstract
- Highly specific high-throughput assays will be required to take full advantage of the accumulating information about the macromolecular composition of cells and tissues, in order to characterize biological systems in health and disease. We discuss the general problem of detection specificity and present the approach our group has taken, involving the reformatting of analogue biological information to digital reporter segments of genetic information via a series of DNA ligation assays. The assays enable extensive, coordinated analyses of the numbers and locations of genes, transcripts and protein.
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