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As a summary, a typical DNA rolling circle replication has five steps: [2] Circular dsDNA will be "nicked". The 3' end is elongated using "unnicked" DNA as leading strand (template); 5' end is displaced. Displaced DNA is a lagging strand and is made double stranded via a series of Okazaki fragments. Replication of both "unnicked" and displaced ...
Monodnaviria is a realm of viruses that includes all single-stranded DNA viruses that encode an endonuclease of the HUH superfamily that initiates rolling circle replication (RCR) of the circular viral genome. Viruses descended from such viruses are also included in the realm, including certain linear single-stranded DNA (ssDNA) viruses and ...
A rolling circle mechanism that produces linear strands while progressing in a loop around the circular genome is also common. [6] [7] Some dsDNA viruses use a strand displacement method whereby one strand is synthesized from a template strand, and a complementary strand is then synthesized from the prior synthesized strand, forming a dsDNA ...
Workflow for DNA nanoball sequencing [1] DNA nanoball sequencing is a high throughput sequencing technology that is used to determine the entire genomic sequence of an organism. The method uses rolling circle replication to amplify small fragments of genomic DNA into DNA nanoballs. Fluorescent nucleotides bind to complementary nucleotides and ...
DNA molecules with a length of 1 kb are selected by loading on the 6% TBE PAGE gel. In the next step, the DNA molecules are circularized with T-tailed 30 bp long synthetic oligonucleotides (T30), which contains two outward-facing MmeI recognition sites, and the resulting circularized DNA undergoes rolling circle replication. The amplified ...
A rolling circle mechanism that produces linear strands while progressing in a loop around the circular genome is also common. [8] Some dsDNA viruses use a strand displacement method whereby one strand is synthesized from a template strand, and a complementary strand is then synthesized from the prior synthesized strand, forming a dsDNA genome. [9]
Cressdnaviricota is a phylum of viruses with small, circular single-stranded DNA genomes and encoding rolling circle replication-initiation proteins with the N-terminal HUH endonuclease and C-terminal superfamily 3 helicase domains.
Rolling-Circle Mechanism for Helitron transposition and gene acquisition in the concerted model Helitron could be either autonomous or non-autonomous. One transposase molecule cleaves at the donor (by the first tyrosine (Y1) residue of the Rep protein) and target sites (by the second tyrosine (Y2) residue) and binds to the resulting 5' ends.