(Phys.org)—The sorcerer's apprentice started a water-carrying system, but couldn't stop it, and soon he was up to his neck in water, and trouble. Living cells have a better design: When they activate a gene, they have a ...
Cell & Microbiology
Sep 6, 2012
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An international group of scientists studied the effects of 17 lifespan-extending interventions on gene activity in mice and discovered genetic biomarkers of longevity. The results of their study were published in the journal ...
Biotechnology
Aug 23, 2019
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Being a human couch potato can greatly increase fat accumulation, hasten the onset of Type II diabetes symptoms, result in detrimental blood chemistry and cardiovascular changes, and eventually, bring about one's death.
Plants & Animals
Sep 18, 2019
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92
Scientists have long prized the roundworm Caenorhabditis elegans as a model for studying the biology of multicellular organisms. The millimeter-long worms are easy to grow in the lab and manipulate genetically, and have only ...
Biotechnology
Sep 19, 2018
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Popularly dubbed "the book of life," the human genome is extraordinarily difficult to read. But without full knowledge of its grammar and syntax, the genome's 2.9 billion base-pairs of adenine and thymine, cytosine and guanine ...
Biotechnology
Jul 1, 2012
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UNC School of Medicine researchers discovered that the major developmental function of heterochromatin – a form of tight DNA packaging found in chromosomes – is likely to suppress activity of virus-like DNA elements known ...
Biotechnology
Sep 1, 2016
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(PhysOrg.com) -- A team of Yale University scientists has discovered a previously unknown type of molecular scissors that can tailor micro-RNAs, tiny snippets of genetic material that play a key role in regulating many of ...
Biotechnology
May 6, 2010
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Cancer is characterized by a number of key biological processes known as the "hallmarks of cancer," which remodel cells and their immediate environment so that tumors can form, grow, and thrive. Many of these changes are ...
Bio & Medicine
Nov 2, 2022
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DNA activity can change without changing the sequence of the DNA segment itself. Gene activation and inactivation can be the basis for how species produce unique individuals. Some processes that change gene activity are well ...
Evolution
Feb 25, 2019
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135
Humans share at least 97 percent of their genes with chimpanzees, but, as a new study of transcription factors makes clear, what you have in your genome may be less important than how you use it.
Cell & Microbiology
Dec 7, 2009
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