Like guards controlling access to a gated community, nuclear pore complexes are communication channels that regulate the passage of proteins and RNA to and from a cell's nucleus. Recent studies by researchers at the Salk ...
Jan 22, 2009
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Researchers from Huntsman Cancer Institute (HCI) at the University of Utah report that they have identified a previously undiscovered trigger mechanism for a quality control checkpoint at the very end of the cell division ...
Cell & Microbiology
Nov 22, 2010
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Researchers at the Stowers Institute for Medical Research have glimpsed two proteins working together inside living cells to facilitate communication between the cell's nucleus and its exterior compartment, the cytoplasm. ...
Cell & Microbiology
Feb 10, 2014
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The movement of genetic materials, such as RNA and ribosomes, from the nucleus to the cytoplasm is a critical component in a cell's ability to make the proteins necessary for essential biological functions. Until now, it ...
Cell & Microbiology
May 10, 2012
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Students learn about the nucleus in ninth grade biology—it's the inner sanctum of biological cells, where the genome resides with the blueprints for cells to make proteins that are the building-blocks of life. Guarding ...
Cell & Microbiology
Oct 12, 2022
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(Phys.org) —Proteins known as histones give structure to DNA, which coils around them like string on spools. But as is so often the case in biology, it turns out there is more to these structures than meets the eye. Scientists ...
Cell & Microbiology
Sep 25, 2014
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(PhysOrg.com) -- For perhaps 1.8 billion years after life first emerged on Earth, a sort of evolutionary writer’s block stalled the development of organisms more complicated than single cells. Then, a burst of experimental ...
Biochemistry
Jul 13, 2009
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When it comes to the two basic types of cells, prokaryotes and eukaryotes, compartmentalization is everything. Prokaryotes are evolutionarily ancient cells that only have a membrane surrounding their outer boundary, while ...
Biochemistry
Oct 6, 2009
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U of T researchers have discovered how severely damaged DNA is transported within a cell and how it is repaired.
Cell & Microbiology
Jul 24, 2015
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All creatures of the animal kingdom share one thing: the nuclear membrane. Wrapping the genetic core of the cell, this membrane, together with all the attached proteins, plays a vital role in biological functions. Despite ...
Cell & Microbiology
Sep 8, 2017
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