Computer-aided probability base calling for arrays of nucleic acid probes on chips
First Claim
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1. A method of calling an unknown base in a sample nucleic acid sequence, comprising:
- inputting a plurality of probe intensities, each of the probe intensities corresponding to a nucleic acid probe;
determining a plurality of probabilities, each of the probabilities reflecting the likelihood that one of the potential base calls is correct, the probabilities being calculated according to a distribution model, the hybridization intensities and sequences of the plurality of probes; and
calling the unknown base according to the probabilities of the potential base calls.
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Abstract
A computer system for analyzing nucleic acid sequences is provided. The computer system is used to calculate probabilities for determining unknown bases by analyzing the fluorescence intensities of hybridized nucleic acid probes on biological chips. Additionally, information from multiple experiments is utilized to improve the accuracy of calling unknown bases.
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Citations
26 Claims
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1. A method of calling an unknown base in a sample nucleic acid sequence, comprising:
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inputting a plurality of probe intensities, each of the probe intensities corresponding to a nucleic acid probe;
determining a plurality of probabilities, each of the probabilities reflecting the likelihood that one of the potential base calls is correct, the probabilities being calculated according to a distribution model, the hybridization intensities and sequences of the plurality of probes; and
calling the unknown base according to the probabilities of the potential base calls. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A computer program on computer readable media that calls an unknown base in a sample nucleic acid sequence, comprising:
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code that receives as input a plurality of probe intensities, each of the probe intensities corresponding to a nucleic acid probe;
code that determines a plurality of probabilities, each of the probabilities reflecting the likelihood that one of the potential base calls is correct, the probabilities being calculated according to a distribution model, the hybridization intensities and sequences of the plurality of probes; and
code that calls the unknown base according to the probabilities of the potential base calls. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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Specification