What is Tryptophan Operon?
Tryptophan Operon, also known as Pod Operon, is the area of DNA molecules in which genes that code for the jokes for tryptophan are expressed when the amino acid is low. Tryptophan is one of the 20 amino acids used inside living cells. Its production was well studied in Escherichia coli (E. coli) bacteria.
in E. coli cell code for tryptophan. These are joined together, side by side, in a structure called operason. Tryptophan Operon also consists and is controlled by the operator's website. DNA transcription is controlled by proteins. The repressor proteins can connect to the operator's location and block genes in the transcription and trytophan are produced. The operator is associated with the promoter point on the tryptophan operator, where a molecule called RNA polymerase is connected and can proceed along the gesstrou not to transcript of genes. This is generated by Messenger RNA that encodes tryptophan. This transcription process is the basis for the production of this amino acid.
When this amino acid is present, it binds to a repression protein that is activated and binds to the operator's place to block any transcription along the tryptophan operator. In fact, to simplify this description of amino acid molecule, it actually changes the shape of the repressor so that it can fit into the shape of the DNA helix. In this way, the molecular procession is blocked. When tryptophan is not present, the repressor is shaped differently and cannot fit into the bottom. The function of the repressor when the gene transcription is shut down is referred to as negative control.
Operation is one of many biosynthetic operas in the genomes of every living thing. Tryptophan is known as a co-depressor because the protein is connected to stop the transcription along the tryptophane operason. In the human body, tryptophan is one of the 10 amino acids involved in protein synthesis. The predecessor for serotonin, which regulates patterns of sleep, mood and appetite, has an important role. Deficiencies in this amino acidThey can lead to serotonin deficiencies, resulting in symptoms such as depression, anxiety, weight gain and insomnia.
Excess tryptophan is not considered toxic, but causes fatigue. It is in most foods that have proteins, especially turkey, bananas, soybeans and tuna. This amino acid has regulation of activation and repression of tryptophan operas and has a major function in all living cells, such as E. coli, as well as in the human body.