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tag polyunsaturated fatty acids culture microbiology developmental biology

The Role of Mom’s Microbes During Pregnancy
Carolyn A. Thomson and Kathy D. McCoy | Aug 1, 2021 | 10+ min read
Bacteria in the gut influence the production of antibodies and themselves secrete metabolites. In a pregnant woman, these compounds may influence immune development of her fetus.
A scanning electron micrograph of a coculture of E. coli and Acinetobacter baylyi. Nanotubes can be seen extending from the E. coli.
What’s the Deal with Bacterial Nanotubes?
Sruthi S. Balakrishnan | Jun 1, 2021 | 10+ min read
Several labs have reported the formation of bacterial nanotubes under different, often contrasting conditions. What are these structures and why are they so hard to reproduce?
Extremophiles: They Love Living on the Edge
Harvey Black | Jul 7, 2002 | 7 min read
Image: Courtesy of NASA/Marshall Space Flight CenterImage: Courtesy of John Reeve FROZEN FLUFF: Using electron beams to drill holes, scientists recovered these extremophiles from Antarctic ice. Brent Christner (above, middle), a graduate student in John Reeve's lab at Ohio State University, collecting ice core samples in Antarctica. They thrive, not just survive. The microbes live in places such as the Antarctic, where temperatures reach -45°C in the summer; on the ocean floor, in c
Articles Alert
The Scientist Staff | Aug 7, 1988 | 8 min read
The Scientist has asked a group of experts to periodically comment upon recent articles that they have found noteworthy. Their selections, presented here in every issue, we neither endorsements of content nor the result of systematic searching. Rather, they are personal choices of articles they 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, Pa. 19104, or by telep
Notebook
Ricki Lewis | Apr 11, 1999 | 7 min read
Peanuts may be losing their bite PEANUT ALLERGY VACCINE Peanuts are more than just an annoyance on airplanes--for a few dozen people each year, they cause deadly anaphylactic shock. The only protection is knowledge of one's allergy and avoidance of the offending food. But most peanut-associated allergic deaths occur from peanut extracts added to prepared foods--additives that sometimes remain unlisted on labels. A peanut allergy vaccine could prevent such deaths. Kam Leong, a professor of biom
Epigenetics: Genome, Meet Your Environment
Leslie Pray | Jul 4, 2004 | 10+ min read
©Mehau Kulyk/Photo Researchers, IncToward the end of World War II, a German-imposed food embargo in western Holland – a densely populated area already suffering from scarce food supplies, ruined agricultural lands, and the onset of an unusually harsh winter – led to the death by starvation of some 30,000 people. Detailed birth records collected during that so-called Dutch Hunger Winter have provided scientists with useful data for analyzing the long-term health effects of prenat

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