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tag quantitative pcr microbiology ecology

Ants Share Pathogens for Immunity
Sabrina Richards | Apr 3, 2012 | 4 min read
A new study shows that grooming by ants promotes colony-wide resistance to fungal infections by transferring small amounts of pathogen to nestmates.
No Place to Hide
Claire Asher | May 31, 2017 | 7 min read
Environmental DNA is tracking down difficult-to-detect species, from rock snot in the U.S. to cave salamanders in Croatia.
An Ocean of Viruses
Joshua S. Weitz and Steven W. Wilhelm | Jul 1, 2013 | 10+ min read
Viruses abound in the world’s oceans, yet researchers are only beginning to understand how they affect life and chemistry from the water’s surface to the sea floor.
An Archaeal pathogen?
Jeffrey M. Perkel | Jul 1, 2006 | 3 min read
AN ARCHAEAL PATHOGEN? X-ray from a necrotic tooth containing a periapical bone lesion Credit: COURTESY OF MORGANA ELI VIANNA" />AN ARCHAEAL PATHOGEN? X-ray from a necrotic tooth containing a periapical bone lesion Credit: COURTESY OF MORGANA ELI VIANNA The rogue's gallery of human pathogens is filled with members of the Bacteria and Eukaryota domains of life. Notably absent is the third domain: Archaea. According to a recent report in the Journal of Clinical Microbiology, however,
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.
Surpassing the Law of Averages
Jeffrey M. Perkel | Sep 1, 2009 | 7 min read
By Jeffrey M. Perkel Surpassing the Law of Averages How to expose the behaviors of genes, RNA, proteins, and metabolites in single cells. By necessity or convenience, almost everything we know about biochemistry and molecular biology derives from bulk behavior: From gene regulation to Michaelis-Menten kinetics, we understand biology in terms of what the “average” cell in a population does. But, as Jonathan Weissman of the University of Califo
O Come, All Ye Scientists
Anne Minerd(aminerd@the-scientist.com) | Dec 5, 2004 | 7 min read
Scientists from Manhattan to Pasadena, Moscow to Johannesburg, responded to The Scientist's question, "What gift do you most want this holiday season, and why?" Answers included the practical (sliceable gel blocks), the whimsical (a Star Trek tricorder), and meteorological (another El Niño). But what they all had in common was the desire for that most intangible and elusive of gifts: hastened progress in the researchers' respective fields.TREKKIAN DELIGHTFor upcoming missions to Mars and Eu
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
Articles Alert
Simon Silver | Jul 8, 1990 | 7 min read
The Scientist has asked a group of experts to comment periodically upon recent articles that they have found noteworthy. Their selections, presented herein every issue, are neither endorsements of content nor the result of systematic searching. Rather, the list represents personal choices of articles the columnists believe the scientific community as a whole may also find interesting. Reprints of any articles cited here may be ordered through The Genuine Article, 3501 Market St., Philadelphia,

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