In all living organisms, the biomolecule transfer RNA (tRNA) plays a fundamental role in protein production. tRNAs are generated from precursor molecules in several steps. The enzyme tRNA splicing endonuclease (TSEN), among ...
Biotechnology
Jul 13, 2023
0
5
Transcription factor IIH, or TFIIH, pronounced "TF two H," is a veritable workhorse among the protein complexes that control human cell activity. It plays critical roles both in transcription—the highly regulated enzymatic ...
Cell & Microbiology
Jul 10, 2023
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92
Despite being densely packed to fit into the nucleus, chromosomes storing our genetic information are always in motion. This allows specific regions to come into contact and thereby activate a gene. A group of scientists ...
Cell & Microbiology
Jun 29, 2023
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50
Aleksandra Radenovic, head of the Laboratory of Nanoscale Biology in the School of Engineering, has worked for years to improve nanopore technology, which involves passing a molecule like DNA through a tiny pore in a membrane ...
Bio & Medicine
Jun 19, 2023
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1085
A human cell harbors roughly 2 meters of DNA, encompassing the essential genetic information of an individual. If one were to unwind and stretch out all the DNA contained within a single person, it would span a staggering ...
Biotechnology
Jun 16, 2023
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1718
In a new study, published today in Nature Communications, a multi-center team led by the Wellcome Sanger Institute, the University of Oslo, Imperial College London and UCL, has mapped for the first time the evolutionary timeline ...
Evolution
Jun 15, 2023
0
53
Giraffes in eastern Africa may be even more endangered than previously thought. A new study led by researchers at Penn State reveals that populations of Masai giraffes separated geographically by the Great Rift Valley have ...
Plants & Animals
Jun 12, 2023
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129
The tiny tubes and thread-like structures that give cells their shape and help determine their function have been artificially re-created using strands of DNA in a study led by UCL researchers.
Biotechnology
Jun 12, 2023
0
32
Cephalopods are a large family of marine animals that includes octopuses, cuttlefish and squid. They live in every ocean, from warm, shallow tropical waters to near-freezing, abyssal depths. More remarkably, report two scientists ...
Plants & Animals
Jun 8, 2023
0
42
Each cell comes with a finite set of instructions encoded in its DNA. Life, however, is unpredictable, and when circumstances change, animals need flexibility to acclimate. New research led by Joshua Rosenthal of the Marine ...
Plants & Animals
Jun 8, 2023
0
90
