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tag germ cells ecology microbiology neuroscience developmental biology

illustration of neurons in blue with synapses lighting up
Gut Molecule Linked to Decreased Myelination in Mouse Brains
Angie Voyles Askham, Spectrum | Feb 17, 2022 | 4 min read
A study shows that a molecule produced by intestinal microbes can enter the brain and that its presence is also associated with altered brain connectivity.
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.
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.
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?
Stem Cell Discoveries Stir Debate
Douglas Steinberg | Nov 12, 2000 | 9 min read
Editor's Note: This is the first of two articles on questions raised by recent stem cell discoveries. The second article, focusing on various organs and the nervous system, will appear in the Nov. 27 issue of The Scientist. Researchers first isolated embryonic stem cells (ESCs) from mouse blastocysts almost 20 years ago, and a paper announcing the discovery of human ESCs emerged in 1998. Adult-derived stem cells (ASCs) have since become the rage in certain quarters of biology, with unexpected--
Contributors
Diana Kwon | May 1, 2017 | 4 min read
Meet some of the people featured in the May 2017 issue of The Scientist.
A Paradigm Shift in Stem Cell Research?
Ricki Lewis | Mar 5, 2000 | 9 min read
Photo: E.D. Laywell, UT MemphisMultipotent clones of cells derived from the adult human brain With the promises and challenges of stem cell research in the headlines, visions of artificial livers dance in the public's eye. Bioethicists, politicians, and citizens alike continue to debate whether public funds should be used to obtain cells from human embryos and fetuses. On the scientific front, however, the implications of stem cell research are even more profound than offering replacement parts.
scientific conferences meeting coronavirus covid-19 sars-cov-2
Life Science Conference Disruptions Due to Coronavirus
The Scientist | Mar 5, 2020 | 8 min read
Find out which meetings have been canceled, postponed, or are going ahead as planned.
Bioscience Make-Over
Karen Young Kreeger | Oct 15, 1995 | 3 min read
Echoing the centuries-old debate among scientists over how to organize and name Earth's species, authors of National Research Council (NRC) reports rating research-doctorate programs have also struggled over the "taxonomy" of disciplines within the biosciences. Allan Cartter, in his 1966 report An Assessment of Quality In Graduate Education (Washington, D.C., American Council on Education), observed that grouping programs within the biological sciences represented a challenge, owing to the vari
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.

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