Cut And Tag
Cut And Tag - Related Videos
07:09
Using Cleavage Under Targets and Tagmentation (CUT&Tag) Assay in Mouse Myoblast Research
0 Views •
2024
Researchers new to the epigenetic field will find CUT&Tag a significantly easier alternative to ChIP assays. CUT&Tag has tremendously benefited the epigenetic studies on rare and primary cell populations, generating high-quality data from very few cells. This protocol describes performing H3K4me1 CUT&Tag assays on mouse myoblasts isolated from mouse hindlimb muscles.
10:11
Collection and Long-Term Maintenance of Leaf-Cutting Ants (Atta) in Laboratory Conditions
0 Views •
Cited by 6 •
2022
Here, a protocol is described to successfully collect and maintain healthy Atta (Hymenoptera: Formicidae) ant colonies in laboratory conditions. Additionally, different nest types and configurations are detailed together with possible experimental procedures.
11:26
High-throughput Gene Tagging in Trypanosoma brucei
0 Views •
Cited by 21 •
2016
Addition of a tag to a protein is a powerful way of gaining insight into its function. Here, we describe a protocol to endogenously tag hundreds of Trypanosoma brucei proteins in parallel such that genome scale tagging is achievable.
01:08
Brick Cutting Techniques
0 Views •
2024
Brick-cutting techniques involve various tools and methods to shape bricks for construction. A mason's hammer with a chisel-pointed end is used for basic shaping through sharp, precise strikes. For more complex shapes requiring higher precision, a power saw with a water-cooled diamond blade is used. Cut bricks are categorized by size. Bricks cut to half their original length are called half-bats, while those cut to three-fourths their length are known as three-fourth bats. Special types of cut...
01:17
Cut-off Frequency of BJT
0 Views •
2024
Cut-off frequencies in Bipolar Junction Transistors (BJTs) mark the transition between the signal's pass band and stop band, influencing their performance in amplifying or attenuating frequencies. These frequencies are crucial for designing BJTs to meet specific operational requirements in electronic circuits. Alpha Cut-Off Frequency: Pertinent to the common-base configuration, the alpha cut-off frequency defines the upper-frequency limit at which the current gain, alpha, remains stable. As...
FAQs
The antibody determines which histone modification or DNA-binding protein guides the profiling reaction. After permeabilization, it binds the selected chromatin-associated target, positioning the protein A or G-Tn5 fusion near that site. Consequently, the sequencing library reflects the genomic distribution of the chosen mark or protein rather than a general survey of all chromatin.
The fusion connects antibody recognition with library preparation. Protein A or G binds the antibody, placing Tn5 near the associated chromatin target. Tn5 then cuts nearby accessible DNA while adding sequencing adapters to the resulting fragments. This coupling links molecular targeting and fragment generation within the same profiling strategy.
Because cutting occurs near an antibody-bound chromatin target, the recovered fragments provide positional information about where that mark or protein is located in the genome. Sequencing these fragments can reveal regulatory elements, nucleosome organization, or transcription-factor binding sites. The localized reaction therefore supports high spatial resolution in epigenomic measurements.
The assay can be directed toward specific histone modifications or DNA-binding proteins, allowing different aspects of genome regulation to be examined separately. Depending on the antibody target, the resulting map can describe regulatory elements, nucleosome organization, or transcription-factor binding sites. This makes target selection central to interpreting the biological meaning of the data.
A typical workflow begins with permeabilized cells or nuclei and introduces an antibody against the selected histone modification or DNA-binding protein. A protein A or G-Tn5 fusion is then positioned through antibody binding, and nearby DNA is cut as sequencing adapters are added. Researchers purify the resulting fragments and sequence them to map target-associated genomic locations.
Cut and Tag can profile chromatin features with low sample requirements, making it suitable when only small numbers of cells or nuclei are available. This capability supports studies of limited or rare populations that may be difficult to analyze with approaches requiring more starting material. The resulting maps can still characterize regulatory and chromatin-associated features.
Researchers can apply the technique to epigenomic studies, cell-state characterization, developmental research, and investigations of gene regulation. It is particularly useful when the goal is to locate selected histone modifications or DNA-binding proteins across the genome. These applications connect chromatin profiles with regulatory elements, nucleosome organization, and transcription-factor binding.
Sequencing identifies the genomic positions represented by fragments generated near the selected chromatin target. Comparing these positions can indicate where regulatory elements, nucleosome organization, or transcription-factor binding sites occur. In biological studies, those maps help characterize cell states and developmental contexts while examining how chromatin-associated features relate to gene regulation.