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This enzyme work well at A↓pN, T ↓pN sites, and especially A↓pN sites are 100% degraded. However, it is difficult to degrade C↓pC, C↓pG site. Mung bean exonuclease is a nuclease derived from mung beans that removes nucleotides in a step-wise manner from single stranded DNA molecules and is used to remove such ssDNA from a mixture also ...
Nucleic acid thermodynamics is the study of how temperature affects the nucleic acid structure of double-stranded DNA (dsDNA). The melting temperature (T m) is defined as the temperature at which half of the DNA strands are in the random coil or single-stranded (ssDNA) state. T m depends on the length of the DNA molecule and its specific ...
To follow the transition of dsDNA (double-stranded) to ssDNA (single-stranded), intercalating dyes are employed. These dyes show differential fluorescence emission dependent on their association with double-stranded or single-stranded DNA. SYBR Green I is a first generation dye for HRM. It fluoresces when intercalated into dsDNA and not ssDNA.
A section of DNA. The bases lie horizontally between the two spiraling strands [15] (animated version). The DNA double helix is stabilized primarily by two forces: hydrogen bonds between nucleotides and base-stacking interactions among aromatic nucleobases. [16] The four bases found in DNA are adenine (A), cytosine (C), guanine (G) and thymine (T).
In contrast, pathogenic anti-dsDNA antibodies found in SLE are usually of IgG isotype and show high avidity for dsDNA. [15] One possible mechanism for anti-dsDNA and their role in nephritis is the formation of immune complexes that arise by indirect binding to DNA or nucleosomes that are adhered to the glomerular basement membrane (GBM).
Hazard analysis and critical control points, or HACCP (/ ˈ h æ s ʌ p / [1]), is a systematic preventive approach to food safety from biological, chemical, and physical hazards in production processes that can cause the finished product to be unsafe and designs measures to reduce these risks to a safe level.
DNA end resection, also called 5′–3′ degradation, is a biochemical process where the blunt end of a section of double-stranded DNA (dsDNA) is modified by cutting away some nucleotides from the 5' end to produce a 3' single-stranded sequence.
At a wavelength of 260 nm, the average extinction coefficient for double-stranded DNA (dsDNA) is 0.020 (μg/mL) −1 cm −1, for single-stranded DNA (ssDNA) it is 0.027 (μg/mL) −1 cm −1, for single-stranded RNA (ssRNA) it is 0.025 (μg/mL) −1 cm −1 and for short single-stranded oligonucleotides it is dependent on the length and base ...