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Recombineering with ssDNA provided a breakthrough both in the efficiency of the reaction and the ease of making point mutations. [1] This technique was further enhanced by the discovery that by avoiding the methyl-directed mismatch repair system, the frequency of obtaining recombinants can be increased to over 10 7 /10 8 viable cells. [14]
Mung bean nuclease (Nuclease MB) is a nuclease derived from sprouts of the mung bean (Vigna radiata) that removes nucleotides in a step-wise manner from single-stranded DNA molecules (ssDNA) and is used in biotechnological applications to remove such ssDNA from a mixture also containing double-stranded DNA (dsDNA).
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 ...
In gene therapy application utilizing rAAV, the virus transduces the cell with a single stranded DNA (ssDNA) flanked by two inverted terminal repeats (ITRs). These ITRs form hairpins at the end of the sequence to serve as primers to initiate synthesis of the second strand before subsequent steps of infection can begin.
Restriction endonucleases may be found that cleave standard dsDNA (double-stranded DNA), or ssDNA (single-stranded DNA), or even RNA. [citation needed] This discussion is restricted to dsDNA; however, the discussion can be extended to the following: Standard dsDNA; Non-standard DNA; Holliday junctions
1.4.1 ssDNA vs. dsDNA. 1.5 Amount. ... One major difference between DNA and RNA is the sugar, ... see the section on uses in technology below.
After Rep, along with other replication proteins, binds to the dsDNA it forms a stem loop where the DNA is then cleaved at the nanomer sequence causing a displacement of the strand. This displacement allows the replication fork to progress in the 3’ to 5’ direction which ultimately yields a new ssDNA strand and a concatameric DNA strand. [6]
High Resolution Melt (HRM) analysis is a powerful technique in molecular biology for the detection of mutations, polymorphisms and epigenetic differences in double-stranded DNA samples. It was discovered and developed by Idaho Technology and the University of Utah. [1] It has advantages over other genotyping technologies, namely: