Library characterization by digital assay
First Claim
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1. A method of library characterization, comprising:
- obtaining a nucleic acid library including members each having a first adapter region and a second adapter region, wherein at least a subset of the members have an insert disposed between the first and second adapter regions;
forming partitions containing members of the library;
performing a digital assay on the partitions with an adapter region probe to generate data collected from a plurality of the partitions while members of the library are contained within the plurality of partitions, the data indicating whether a library member is present in each of the plurality of partitions; and
determining a characteristic of the library based on the data,wherein the probe binds selectively to empty members of the library having no insert between the adapter regions, relative to members of the library having an insert.
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Abstract
Methods of characterizing a nucleic acid library by digital assay.
293 Citations
33 Claims
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1. A method of library characterization, comprising:
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obtaining a nucleic acid library including members each having a first adapter region and a second adapter region, wherein at least a subset of the members have an insert disposed between the first and second adapter regions; forming partitions containing members of the library; performing a digital assay on the partitions with an adapter region probe to generate data collected from a plurality of the partitions while members of the library are contained within the plurality of partitions, the data indicating whether a library member is present in each of the plurality of partitions; and determining a characteristic of the library based on the data, wherein the probe binds selectively to empty members of the library having no insert between the adapter regions, relative to members of the library having an insert. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of library characterization, comprising:
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obtaining a nucleic acid library including members each having a first adapter region and a second adapter region, wherein at least a subset of the members have an insert disposed between the first and second adapter regions; forming partitions containing members of the library; performing a digital assay on the partitions with an adapter region probe to generate data collected from a plurality of the partitions while members of the library are contained within the plurality of partitions, the data indicating whether a library member is present in each of the plurality of partitions; and determining a characteristic of the library based on the data, wherein the step of determining a characteristic includes a step of determining a level of empty members of the library having no insert between the adapter regions. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15)
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16. A method of library characterization, comprising:
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obtaining a nucleic acid library including members each having a first adapter region and a second adapter region, wherein at least a subset of the members have an insert disposed between the first and second adapter regions; forming partitions containing members of the library; performing a digital assay on the partitions to generate data collected from a plurality of the partitions while members of the library are contained within the plurality of partitions, the data indicating whether a library member is present in each of the plurality of partitions; and determining a characteristic of the library based on the data, wherein the step of performing a digital assay uses a first probe that binds to the first adapter region and a distinct second probe that binds to the second adapter region, wherein the step of determining a characteristic includes a step of determining a level of library members containing both the first adapter region and the second adapter region, and wherein the step of determining a characteristic also includes a step of determining a level of library members containing the first adapter region and not the second adapter region and a level of library members containing the second adapter region and not the first adapter region. - View Dependent Claims (17, 18, 19, 20, 21, 22)
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23. A method of library characterization, comprising:
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obtaining a nucleic acid library including members each having a first adapter region and a second adapter region, wherein at least a subset of the members have an insert disposed between the first and second adapter regions; forming partitions containing members of the library; performing a digital assay on the partitions to generate data collected from a plurality of the partitions while members of the library are contained within the plurality of partitions, the data indicating whether a library member is present in each of the plurality of partitions; and determining a characteristic of the library based on the data, wherein the step of performing a digital assay uses a first probe that binds to the first adapter region and a distinct second probe that binds to the second adapter region, and wherein the step of determining a characteristic includes a step of determining a level of library members containing both the first adapter region and the second adapter region and substantially excluding empty members, and a step of determining a level of empty members from the data. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30)
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31. A method of library characterization, comprising:
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obtaining a nucleic acid library including members each having a first constant region and a second constant region, wherein at least a subset of the members have a variable region disposed between the first and second constant regions; forming droplets containing members of the library at limiting dilution; amplifying members of the library in the droplets using a primer for each constant region; detecting light emitted from the droplets; and determining a level of empty members of the library based on the light emitted. - View Dependent Claims (32, 33)
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Specification