Have you ever wondered why we carry two copies of each chromosome in all of our cells? During reproduction, we receive one from each of our parents. This means that we also receive two copies, or alleles, of each gene—one ...
Cell & Microbiology
Nov 29, 2023
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RNA (ribonucleic acid), which is made up of ribonucleotides, is a molecule found in all living organisms. RNA is thought to have probably preceded DNA in primordial life billions of years ago. RNA was eventually replaced ...
Molecular & Computational biology
Nov 27, 2023
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To carry out all of life's functions, proteins must be produced from instructions carried by genes within DNA and delivered to the cell's protein-making machinery by messenger RNA.
Cell & Microbiology
Nov 24, 2023
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A new molecular technology capable of binding to mRNA and regulating gene expression may offer a new avenue for treating diseases caused by haploinsufficiency, or the absence of one functional gene copy, according to a study ...
Biotechnology
Nov 17, 2023
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Scientists have shown how a molecule with broad-spectrum antibiotic activity works by disabling a process vital to bacterial growth without affecting the normal functioning of human cells. The journal mBio published the work, ...
Cell & Microbiology
Nov 1, 2023
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A broad-spectrum antiviral drug candidate, 2-thiouridine, that targets positive-strand RNA viruses has been identified and characterized.
Biochemistry
Oct 20, 2023
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Identifying different types of body fluids can help forensic experts reconstruct a crime scene, but it's difficult to do so. In a study published in Electrophoresis, researchers developed a method using two different types ...
Molecular & Computational biology
Oct 18, 2023
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Messenger RNA (mRNA) vaccines are revolutionizing the therapy of cancer. They can be flexibly developed in a short period of time, allowing transient expression of multiple antigens for safe and efficient immunization. A ...
Bio & Medicine
Oct 16, 2023
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19
Northwestern Medicine scientists have identified how cytoskeletal proteins contribute to the growth of developing eggs in fruit flies, findings that further the field's understanding of how egg cells form and differentiate ...
Cell & Microbiology
Oct 10, 2023
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Researchers Katalin Kariko and Drew Weissman won the Nobel Medicine Prize on Monday for work on messenger RNA (mRNA) technology that paved the way for groundbreaking COVID-19 vaccines.
Other
Oct 2, 2023
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Messenger ribonucleic acid (mRNA) is a molecule of RNA encoding a chemical "blueprint" for a protein product. mRNA is transcribed from a DNA template, and carries coding information to the sites of protein synthesis: the ribosomes. Here, the nucleic acid polymer is translated into a polymer of amino acids: a protein. In mRNA as in DNA, genetic information is encoded in the sequence of nucleotides arranged into codons consisting of three bases each. Each codon encodes for a specific amino acid, except the stop codons that terminate protein synthesis. This process requires two other types of RNA: transfer RNA (tRNA) mediates recognition of the codon and provides the corresponding amino acid, while ribosomal RNA (rRNA) is the central component of the ribosome's protein manufacturing machinery.
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