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tag mole rats genetics genomics microbiology

Epigenetic Enigmas
Beth Marie Mole | Oct 16, 2012 | 3 min read
Overturning previous studies, a peculiar protozoan mysteriously uses a DNA-markup system to take out the genetic trash.   
An illustration of green bacteria floating above neutral-colored intestinal villi
The Inside Guide: The Gut Microbiome’s Role in Host Evolution
Catherine Offord | Jul 1, 2021 | 10+ min read
Bacteria that live in the digestive tracts of animals may influence the adaptive trajectories of their hosts.
The Genetics of Society
Claire Asher and Seirian Sumner | Jan 1, 2015 | 10 min read
Researchers aim to unravel the molecular mechanisms by which a single genotype gives rise to diverse castes in eusocial organisms.
Notebook
The Scientist Staff | Jul 21, 1996 | 7 min read
OVERSATURATED: "There are more funded projects than we can absorb," says HGS's William Haseltine. Earlier this month, Human Genome Sciences Inc. (HGS), a biotech firm in Rockville, Md., and Philadelphia-based pharmaceutical giant SmithKline Beecham widened their almost three-year-old exclusive agreement to include more companies in their bioprospecting of the human genome. In research and marketing deals totaling more than $90 million over the next five years, Schering Plough Corp. of Madison
Resisting Cancer
George Klein | Apr 1, 2015 | 9 min read
If one out of three people develops cancer, that means two others don’t. Understanding why could lead to insights relevant to prevention and treatment.
TS 2015 Gift Guide
Kerry Grens | Dec 14, 2015 | 3 min read
Check out these life science–inspired gifts
Top 10 Innovations 2013
The Scientist | Dec 1, 2013 | 10+ min read
The Scientist’s annual competition uncovered a bonanza of interesting technologies that made their way onto the market and into labs this year.
Odd Man Out
Alla Katsnelson | Mar 1, 2010 | 10+ min read
Do fish have personalities?
A Thousand Points of Light
Bob Sinclair | Oct 15, 2000 | 10+ min read
Not so long ago, researchers had somewhat limited choices for locating and following a particular piece of DNA. A probe could be labeled using radioactivity, by kinasing an end or nick-translating the whole piece. A fragment of interest could be visualized (along with all other DNA and RNA species in the preparation) using ethidium bromide. With sufficient skill and patience an investigator could obtain from these rather crude techniques fairly impressive information, such as the precise 5' end

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