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Riboswitch-controlled formation of rho-independent transcription termination hairpins leads to premature transcription termination. Riboswitch-mediated folding sequesters the ribosome-binding site, thereby inhibiting translation. The riboswitch is a ribozyme that cleaves itself in the presence of sufficient concentrations of its metabolite.
Glycine riboswitch. The bacterial glycine riboswitch is an RNA element that can bind the amino acid glycine. Glycine riboswitches usually consist of two metabolite-binding aptamer domains with similar structures in tandem. The aptamers were originally thought to cooperatively bind glycine to regulate the expression of downstream genes.
The TPP riboswitch, also known as the THI element and Thi-box riboswitch, is a highly conserved RNA secondary structure. It serves as a riboswitch [1][2] that binds thiamine pyrophosphate (TPP) directly and modulates gene expression through a variety of mechanisms in archaea, bacteria and eukaryotes. [3][4][5] TPP is the active form of thiamine ...
RPMI 1640, simply known as RPMI medium, is a cell culture medium commonly used to culture mammalian cells. [1] RPMI 1640 was developed by George E. Moore, Robert E. Gerner, and H. Addison Franklin in 1966 at Roswell Park Comprehensive Cancer Center (formerly known as Roswell Park Memorial Institute), from where it derives its name. [2]
Cell culture is also a key technique for cellular agriculture, which aims to provide both new products and new ways of producing existing agricultural products like milk, (cultured) meat, fragrances, and rhino horn from cells and microorganisms. It is therefore considered one means of achieving animal-free agriculture.
Diauxic growth, diauxie or diphasic growth is any cell growth characterized by cellular growth in two phases. Diauxic growth, meaning double growth, is caused by the presence of two sugars on a culture growth media, one of which is easier for the target bacterium to metabolize. The preferred sugar is consumed first, which leads to rapid growth ...
Eagle's minimal essential medium. Minimal essential medium (MEM) is a synthetic cell culture medium developed by Harry Eagle first published in 1959 [ 1 ] in Science that can be used to maintain cells in tissue culture. It is based on 6 salts and glucose described in Earle's salts in 1934: (calcium chloride, potassium chloride, magnesium ...
Stable isotope labeling by/with amino acids in cell culture (SILAC) is a technique based on mass spectrometry that detects differences in protein abundance among samples using non-radioactive isotopic labeling. [1][2][3][4] It is a popular method for quantitative proteomics.