Methods and systems for molecular composition generation

    公开(公告)号:US12049621B2

    公开(公告)日:2024-07-30

    申请号:US17093050

    申请日:2020-11-09

    CPC classification number: C12N15/1065

    Abstract: The present disclosure provides methods and systems for generation of compositions comprising two or more sets of molecules. Compositions herein may comprise sets of molecules of different types. Sets of molecules may be generated by attachment to supports. Different types of molecules may be used to generate a large number of unique molecules. One or more types of molecules may be used to identify one or more additional types of molecules. Compositions of the present disclosure may be used in, for example, nucleic acid sequencing.

    Methods, kits, and compositions for processing extracellular molecules

    公开(公告)号:US11851700B1

    公开(公告)日:2023-12-26

    申请号:US17318364

    申请日:2021-05-12

    Abstract: Disclosed are methods, compositions and kits for contacting a sample containing a biological particle with a catalyst associated with or attached to a support. The biological particle may be cells and/or nuclei. The catalyst may be an enzyme configured to digest an extracellular molecule, such as an extracellular biological molecule, including extracellular nucleic acid molecules. In some examples, the biological particle is an aggregate of cells that is processed to single cells with a nuclease that is attached to a bead support. The bead and nuclease may subsequently be removed from the system. The single cells that result from the method can be used in single cell-based droplet systems for obtaining genome or transcriptome profiles of single cells.

    SINGLE CELL ANALYSIS OF TRANSPOSASE ACCESSIBLE CHROMATIN

    公开(公告)号:US20180340171A1

    公开(公告)日:2018-11-29

    申请号:US15842713

    申请日:2017-12-14

    Abstract: Methods and systems for sample preparation techniques that allow amplification (e.g., whole genome amplification) and sequencing of chromatin accessible regions of single cells are provided. The methods and systems generally operate by forming or providing partitions (e.g., droplets) including a single biological particle and a single bead comprising a barcoded oligonucleotide. The preparation of barcoded next-generation sequencing libraries prepared from a single cell is facilitated by the transposon-mediated transposition and fragmentation of a target nucleic acid sequence. The methods and systems may be configured to allow the implementation of single-operation or multi-operation chemical and/or biochemical processing within the partitions.

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