DNA ITERON Meaning and
Definition
-
DNA iteron refers to a specific DNA sequence found in bacterial genomes, often associated with plasmids, that plays a critical role in the replication and maintenance of these genetic elements. An iteron is a short, tandemly repeated sequence motif that serves as the binding site for specific replication proteins.
In the context of DNA replication, the iterons act as recognition sites for initiator proteins which interact with the DNA and initiate replication. These initiator proteins, also known as initiators or replicators, may belong to a family of proteins called helicases, which are responsible for unwinding the double-stranded DNA molecules during replication.
The DNA iteron sequence is usually located within the origin of replication (ori), a specific DNA region necessary to initiate plasmid replication. The binding of replicator proteins to the iteron sequences results in the assembly of a replication complex, which then proceeds to separate the DNA strands and initiate replication by synthesizing new complementary strands.
The number and arrangement of iteron repeat sequences can vary among plasmids, and often plasmids possess multiple iteron sequences in tandem. These iterons can exhibit varying degrees of conservation within related plasmids and can influence the regulation of plasmid replication, thereby affecting the copy number of the plasmid within bacterial cells.
In summary, DNA iterons are repetitive sequences found in plasmids that act as binding sites for initiator proteins, allowing for the replication and maintenance of these genetic elements. They play a crucial role in the regulation of plasmid replication and contribute to the stability and copy number of plasmids in bacterial cells.
Common Misspellings for DNA ITERON
- sna iteron
- xna iteron
- cna iteron
- fna iteron
- rna iteron
- ena iteron
- dba iteron
- dma iteron
- dja iteron
- dha iteron
- dnz iteron
- dns iteron
- dnw iteron
- dnq iteron
- dna uteron
- dna jteron
- dna kteron
- dna oteron
- dna 9teron
- dna 8teron
Etymology of DNA ITERON
The term "DNA iteron" is a scientific term used in genetics and molecular biology to describe a specific DNA sequence. It is made up of two components: "DNA" and "iteron".
The etymology of "DNA" stands for "Deoxyribonucleic Acid". The word "deoxyribo" refers to the type of sugar (deoxyribose) found in the DNA molecule, and "nucleic acid" refers to the type of biomolecule DNA is.
On the other hand, "iteron" is derived from the Latin word "iter", meaning "to go" or "to travel". In the context of genetics, "iteron" refers to a DNA sequence that can replicate autonomously and repeatedly within a genome. It was initially coined by scientists to describe certain regions of DNA that are essential for self-replication.
Infographic
Add the infographic to your website:
