Provided herein are compositions, kits, and methods for detecting at least one of a C. diffcile tcdA, tcdB, tcdC, cdtA, or cdtB nucleic acid in a sample. In son embodiments, one or more alleles of tcdC such as 117del tcdC or 184T tcdC are detected.

Provided herein are compositions, kits, and methods for detecting at least one of a C. diffcile tcdA, tcdB, tcdC, cdtA, or cdtB nucleic acid in a sample. In son embodiments, one or more alleles of tcdC such as 117del tcdC or 184T tcdC are detected.

Provided herein is technology relating to the amplification-based detection of bisulfite-treated DNAs and particularly, but not exclusively, to methods and compositions for multiplex amplification of low-level sample DNA prior to further characterization of the sample DNA. The technology further provides methods for isolating DNA from blood or blood product samples, e.g., plasma samples.

Provided herein is technology relating to the amplification-based detection of bisulfite-treated DNAs and particularly, but not exclusively, to methods and compositions for multiplex amplification of low-level sample DNA prior to further characterization of the sample DNA. The technology further provides methods for isolating DNA from blood or blood product samples, e.g., plasma samples.

Provided herein is reagent mixture comprising multiplexed amplification reagents and flap assay reagents for detecting, in a single reaction, mutant copies of the KRAS gene that contain any of the 34A, 34C, 34T, 35A, 35C, 35T or 38A point mutations. Methods that employ the reagent mix and kits for performing the same are also provided.

Provided herein is reagent mixture comprising multiplexed amplification reagents and flap assay reagents for detecting, in a single reaction, mutant copies of the KRAS gene that contain any of the 34A, 34C, 34T, 35A, 35C, 35T or 38A point mutations. Methods that employ the reagent mix and kits for performing the same are also provided.

Provided are methods and devices for single-molecule genomic analysis. In one embodiment, the methods entail processing a double-stranded nucleic acid and characterizing said nucleic acid. These methods are useful in, e.g. determining structural variations and copy number variations between individuals.

Provided are methods and devices for single-molecule genomic analysis. In one embodiment, the methods entail processing a double-stranded nucleic acid and characterizing said nucleic acid. These methods are useful in, e.g. determining structural variations and copy number variations between individuals.

The present invention relates to the detection of a target nucleic acid sequence by a PTOCE-E (PTO Cleavage and Extension-dependent Extension) assay. The PTOCE-E assay of the present invention can reduce the non-target signal and increase the target signal as compared with the conventional PTOCE and PCE-SH methods, thereby enabling more accurate detection of the target nucleic acid sequence.

The present invention relates to the detection of a target nucleic acid sequence by a PTOCE-E (PTO Cleavage and Extension-dependent Extension) assay. The PTOCE-E assay of the present invention can reduce the non-target signal and increase the target signal as compared with the conventional PTOCE and PCE-SH methods, thereby enabling more accurate detection of the target nucleic acid sequence.