Computer-aided visualization and analysis system for sequence evaluation
First Claim
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1. In a computer system, a method of identifying mutations in a sample nucleic acid sequence, said method comprising the steps of:
- inputting a first set of probe intensities, each of said probe intensities in said first set being associated with a nucleic acid probe and indicating hybridization affinity between said associated nucleic acid probe and a reference nucleic acid sequence;
inputting a second set of probe intensities, each of said probe intensities in said second set being associated with a nucleic acid probe and indicating hybridization affinity between said associated nucleic acid probe and said sample sequences;
said computer system comparing probe intensities in said first set and probe intensities in said second set to select hybridization regions where said probe intensities in said first set and said probe intensities in said second set differ, each region including multiple base positions; and
identifying mutations in said sample sequence according to characteristics of said selected regions.
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Abstract
A computer system (1) for analyzing nucleic acid sequences is provided. The computer system is used to perform multiple methods for determining unknown bases by analyzing the fluorescence intensities of hybridized nucleic acid probes. The results of individual experiments may be improved by processing nucleic acid sequences together. Comparative analysis of multiple experiments is also provided by displaying reference sequences in one area (814) and sample sequences in another area (816) on a display device (3).
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Citations
27 Claims
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1. In a computer system, a method of identifying mutations in a sample nucleic acid sequence, said method comprising the steps of:
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inputting a first set of probe intensities, each of said probe intensities in said first set being associated with a nucleic acid probe and indicating hybridization affinity between said associated nucleic acid probe and a reference nucleic acid sequence; inputting a second set of probe intensities, each of said probe intensities in said second set being associated with a nucleic acid probe and indicating hybridization affinity between said associated nucleic acid probe and said sample sequences; said computer system comparing probe intensities in said first set and probe intensities in said second set to select hybridization regions where said probe intensities in said first set and said probe intensities in said second set differ, each region including multiple base positions; and identifying mutations in said sample sequence according to characteristics of said selected regions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A computer program for identifying mutations in a sample nucleic acid sequence, comprising:
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computer readable code that receives as input a first set of probe intensities, each of said probe intensities in said first set being associated with a nucleic acid probe and indicating hybridization affinity between said associated nucleic acid probe and a reference nucleic acid sequence; computer readable code that receives as input a second set of probe intensities, each of said probe intensities in said second set being associated with a nucleic acid probe and indicating hybridization affinity between said associated nucleic acid probe and said sample sequence; computer readable code that compares probe intensities in said first set and probe intensities in said second set to select hybridization regions where said probe intensities in said first set and said probe intensities in said second set differ, each region including multiple base positions; computer readable code that identifies mutations in said sample sequence according to characteristics of said selected regions; and a tangible medium that stores said computer readable codes.
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14. In a computer system, a method of identifying bases in a sample nucleic acid sequence, said method of comprising the steps of:
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inputting reference hybridization intensities of a reference nucleic acid sequence hybridizing with a set of probes; inputting sample hybridization intensities of said sample sequence hybridizing with said set of probes; selecting a region including multiple base positions where said reference hybridization intensities differ from said sample hybridization intensities; and identifying a base in said sample sequence that differs from said reference sequence by analyzing said region. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 27)
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26. A computer program product for identifying bases in a sample nucleic acid sequence, comprising:
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computer readable codes that receive as input reference hybridization intensities of a reference nucleic acid sequence hybridizing with a set of probes; computer readable code that receives as input sample hybridization intensities of said sample sequence hybridization with said set of probes; computer readable code that selects a region including multiple base positions where said reference hybridization intensities differ from said sample hybridization intensities; computer readable code that identifies a base in said sample sequence that differs from said reference sequence by analyzing said region; and a tangible medium that stores said computer readable codes.
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Specification