C12Q2525/197

LABELED PROBES WITH DIFFERENTIALLY CLEAVABLE LINKERS AND THEIR USE IN DE-CODING DNA AND RNA MOLECULES

The invention is directed to a method for detecting RNA, DNA or protein target sequences by a) Hybridizing a library of probes having the general formula (I)


P—(CL-D).sub.x  (I)  With P: probes having at least 10 nucleotides or amino acids CL: cleavable linker D: fluorescent dye X: integer between 1 and 5  to RNA, DNA or protein target sequences wherein the library comprises probes P having different sequences of nucleotides or amino acids and cleavable linkers CL of different groups which are cleavable with different means b) Removing unhybridized probes and detecting the hybridized probes via the fluorophores D by a first image c) Cleaving sequentially by different means each group of chemical linkers CL from the hybridized probes; removing the thus cleaved fluorophores D and detecting the remaining hybridized probes via their fluorophores D by a second image d) Detecting the removed fluorophores D by comparing the first and second image. e) Obtaining a part of the sequence information of the target sequences via the sequence information of the probes P associated with the removed fluorophores D f) Repeating step c) until all groups of chemical linkers CL are cleaved.

LABELED PROBES WITH DIFFERENTIALLY CLEAVABLE LINKERS AND THEIR USE IN DE-CODING DNA AND RNA MOLECULES

The invention is directed to a method for detecting RNA, DNA or protein target sequences by a) Hybridizing a library of probes having the general formula (I)


P—(CL-D).sub.x  (I)  With P: probes having at least 10 nucleotides or amino acids CL: cleavable linker D: fluorescent dye X: integer between 1 and 5  to RNA, DNA or protein target sequences wherein the library comprises probes P having different sequences of nucleotides or amino acids and cleavable linkers CL of different groups which are cleavable with different means b) Removing unhybridized probes and detecting the hybridized probes via the fluorophores D by a first image c) Cleaving sequentially by different means each group of chemical linkers CL from the hybridized probes; removing the thus cleaved fluorophores D and detecting the remaining hybridized probes via their fluorophores D by a second image d) Detecting the removed fluorophores D by comparing the first and second image. e) Obtaining a part of the sequence information of the target sequences via the sequence information of the probes P associated with the removed fluorophores D f) Repeating step c) until all groups of chemical linkers CL are cleaved.

Methods for delivering an analyte to transmembrane pores

The invention relates to a new method of delivering an analyte to a transmembrane pore in a membrane. The method involves the use of microparticles.

Methods for delivering an analyte to transmembrane pores

The invention relates to a new method of delivering an analyte to a transmembrane pore in a membrane. The method involves the use of microparticles.

Kit for split-pool barcoding target molecules that are in or on cells or cell organelles
11634752 · 2023-04-25 · ·

The invention provides methods, compositions, kits and devices for the detection of target molecules. In some embodiments, the invention allows for multiplexed target molecule detection.

Kit for split-pool barcoding target molecules that are in or on cells or cell organelles
11634752 · 2023-04-25 · ·

The invention provides methods, compositions, kits and devices for the detection of target molecules. In some embodiments, the invention allows for multiplexed target molecule detection.

RNA templated ligation

The present application provides methods for detecting a target nucleic acid molecule in a sample comprising contacting said sample with a ligatable probe comprising one or more parts and allowing said probe to hybridise to the target nucleic acid molecule, ligating any probe which has hybridised to the target nucleic acid molecule, amplifying the ligated probe, and detecting the amplification product, thereby to detect the target nucleic acid molecule, wherein said probes comprise at least one ribonucleotide at or near to a ligation site and/or wherein the probe or a probe part comprises an additional sequence 5′ to a target-specific binding site which is not hybridised to the target nucleic acid molecule upon hybridisation of the probe to the target nucleic acid molecule and forms a 5′ flap containing one or more nucleotides at its 3′ end that is cleaved prior to ligation, and methods of synthesising a DNA molecule with Phi29 DNA polymerase using a template nucleic acid molecule comprising at least one ribonucleotide. Probes for use in the detection methods are provided.

RNA templated ligation

The present application provides methods for detecting a target nucleic acid molecule in a sample comprising contacting said sample with a ligatable probe comprising one or more parts and allowing said probe to hybridise to the target nucleic acid molecule, ligating any probe which has hybridised to the target nucleic acid molecule, amplifying the ligated probe, and detecting the amplification product, thereby to detect the target nucleic acid molecule, wherein said probes comprise at least one ribonucleotide at or near to a ligation site and/or wherein the probe or a probe part comprises an additional sequence 5′ to a target-specific binding site which is not hybridised to the target nucleic acid molecule upon hybridisation of the probe to the target nucleic acid molecule and forms a 5′ flap containing one or more nucleotides at its 3′ end that is cleaved prior to ligation, and methods of synthesising a DNA molecule with Phi29 DNA polymerase using a template nucleic acid molecule comprising at least one ribonucleotide. Probes for use in the detection methods are provided.

Method for amplifying target nucleic acid and composition for amplifying target nucleic acid
11634760 · 2023-04-25 · ·

The present invention relates to a method for detecting a target nucleic acid, which induces any surrogate target to be amplified in the presence of the target nucleic acid and is useful for molecular diagnosis, prenatal diagnosis, early diagnosis, cancer diagnosis, genetic related diagnosis, genetic trait diagnosis, diagnosis of infectious bacteria, identification of drug-resistant bacteria, forensic medicine, species identification of organisms, and the like.

REAGENTS FOR MASSIVELY PARALLEL NUCLEIC ACID SEQUENCING

The present disclosure provides compositions and methods that employ the compositions for conducting nucleic acid sequencing workflows, where the workflows include library preparation, immobilization and amplification of the library molecules to form immobilized template molecules, and sequencing the template molecules. In some embodiments, the compositions comprise reagents used to conduct nucleic acid sequencing workflows.