Discriminative analysis of clone signature
First Claim
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1. A reproducible, discriminative and x-coherent signature from a nucleic acid molecule, comprising a signature obtained by a method comprising the steps of:
- a) performing an enzymatic chain elongation reaction, using at least one primer to start the elongation process, and at least one chain extension terminator, whereas not all four possible terminators are used, in order to obtain differentially sized products, wherein said differentially sized products emit a detectable signal, b) separating the differentially sized products obtained in step a), c) detecting the detectable signals corresponding to each of the differentially sized reaction products after separation, and d) creating the signature directly or indirectly based on the detected signals in step c).
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Abstract
The invention relates to signatures obtained by a method for analyzing nucleic acid, wherein said nucleic acids are partially sequenced, not using all 4 chain extension terminators, a signature is generated, corresponding to the partial sequence, said signature being compared with other theoretical or actual signatures to analyze said nucleic acid.
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Citations
51 Claims
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1. A reproducible, discriminative and x-coherent signature from a nucleic acid molecule, comprising a signature obtained by a method comprising the steps of:
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a) performing an enzymatic chain elongation reaction, using at least one primer to start the elongation process, and at least one chain extension terminator, whereas not all four possible terminators are used, in order to obtain differentially sized products, wherein said differentially sized products emit a detectable signal, b) separating the differentially sized products obtained in step a), c) detecting the detectable signals corresponding to each of the differentially sized reaction products after separation, and d) creating the signature directly or indirectly based on the detected signals in step c). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46)
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34. A signature specific for a nucleic acid molecule, consisting of an electropherogram obtained after electrophoresis of the product of an enzymatic chain elongation reaction on said nucleic acid molecule, using at least one primer to start the elongation process, and at least one chain extension terminator, whereas not all four possible terminators are used.
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47. A method for generating graphical data representative of the similarity of first and second x-coherent analog signatures of nucleic acid molecules, comprising the steps of:
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dividing each signature into a plurality of fragments, performing a cross-correlation of each fragment of the first signature with each fragment of the second signature, respectively, so as to generate a matrix of cross-correlation values, generating a matrix of graphical zones for display, wherein each zone has a visual property determined from a corresponding cross- correlation value, and displaying said matrix. - View Dependent Claims (48, 49, 50, 51)
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Specification