(Phys.org)—Bacteria may be simple creatures, but unlike "higher" organisms they have a neat evolutionary trick. When the going gets tough, they can simply pick up and incorporate a loose bit of genetic material from their ...
Cell & Microbiology
Aug 31, 2012
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Toxic chemicals wreak havoc on cells, damaging DNA and other critical molecules. A new study from researchers at MIT and the University at Albany reveals how a molecular emergency-response system shifts the cell into damage-control ...
Cell & Microbiology
Jul 3, 2012
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(PhysOrg.com) -- To make proteins, cells assemble long chains of amino acids, based on genetic instructions from DNA. That construction takes place in a tiny cellular structure called a ribosome, to which amino acids are ...
Cell & Microbiology
Nov 11, 2011
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A portion of the "code" of life has been unraveled by a UC Santa Barbara graduate student from the town of Jojutla, Mexico.
Cell & Microbiology
Mar 23, 2011
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Like a film director cutting out extraneous footage to create a blockbuster, the cellular machine called the spliceosome snips out unwanted stretches of genetic material and joins the remaining pieces to fashion a template ...
Cell & Microbiology
Mar 21, 2010
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December 9, 2009 -Even small errors made by cells during protein production can have profound disease effects, and nature has developed ways to uncover these mistakes and correct them. Though in the case of one essential ...
Cell & Microbiology
Dec 9, 2009
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When cells are confronted with an invading virus or bacteria or exposed to an irritating chemical, they protect themselves by going off their DNA recipe and inserting the wrong amino acid into new proteins to defend them ...
Cell & Microbiology
Nov 25, 2009
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RNA transcription is the genomic process in which a cell produces a duplicate of a gene's DNA sequence. In a study published in Nucleic Acids Research, University of Alabama at Birmingham Department of Chemistry Professor ...
Molecular & Computational biology
May 30, 2024
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Researchers at the University of Colorado Anschutz Medical Campus have discovered a mechanism by which a bacterial virus undermines the virulence of Salmonella, allowing the host a chance to rehabilitate.
Cell & Microbiology
Apr 5, 2024
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The Hirohide Saito Laboratory has developed cyclic RNA switches that can control gene expression in a cell type-specific manner using miRNAs and RNA-binding proteins and has successfully constructed an artificial gene circuit ...
Cell & Microbiology
Feb 16, 2023
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