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[2] [4] [5] Most bacteria and archaea contain only one DNA replication origin. [2] The GC skew is positive and negative in the leading strand and in the lagging strand respectively; therefore, it is expected to see a switch in GC skew sign just at the point of DNA replication origin and terminus. [4]
Origin recognition in eukaryotes other than S. cerevisiae or its close relatives does not conform to the sequence-specific read-out of conserved origin DNA elements. Pursuits to isolate specific chromosomal replicator sequences more generally in eukaryotic species, either genetically or by genome-wide mapping of initiator binding or replication ...
DNAP uses the negative strand as a template to make positive sense DNA. As it translocates around the genome it displaces the outer strand of already-synthesised DNA, which is immediately coated by SSBP proteins. The A protein cleaves the complete genome every time it recognises the origin sequence. [citation needed]
Figure 1. TATA box structural elements. The TATA box consensus sequence is TATAWAW, where W is either A or T. In molecular biology, the TATA box (also called the Goldberg–Hogness box) [1] is a sequence of DNA found in the core promoter region of genes in archaea and eukaryotes. [2]
This operator contains half of the iteron sequence, making it able to bind the dimer and promote gene expression. [2] [4] Plasmids containing iterons are all organized very similarly in structure. [2] The gene for Rep proteins is usually found directly downstream of the origin of replication. [5]
This method of sequencing utilizes binding characteristics of a library of short single stranded DNA molecules (oligonucleotides), also called DNA probes, to reconstruct a target DNA sequence. Non-specific hybrids are removed by washing and the target DNA is eluted. [136] Hybrids are re-arranged such that the DNA sequence can be reconstructed.
An inverted repeat sequence: signals the end of replication of donor DNA and is responsible for transfer frequency, plasmid mobilization, and secondary DNA structure formation. [3] [8] [10] AT-rich region: important for DNA strand opening and is located adjacent to the inverted repeat sequences. [1] [3] [5] [8] [11] [12]