Proper tissue function and regeneration is supported by stem cells, which reside in so-called niches. New work from Carnegie's Yixian Zheng and Haiyang Chen identifies an important component for regulating stem cell niches, ...
Cell & Microbiology
Jul 12, 2013
0
0
In 2002, Secretary of state Donald Rumsfeld made a statement regarding weapons of mass destruction that today is still well known. He famously parsed the evidence (or lack thereof) into "known knowns, known unknowns, and ...
A type of wrinkled 'super pea' may help control blood sugar levels and could reduce the risk of type 2 diabetes, suggests a new study.
Plants & Animals
Oct 26, 2020
1
371
Working in teeny tiny worms, scientists can now test the effects of thousands of genetic mutations in one fell swoop.
Biotechnology
Nov 1, 2022
0
326
A giant individual of the fungus, Armillaria gallica, or honey mushroom, first studied 25 years ago by James B. Anderson, a professor emeritus of biology at the University of Toronto Mississauga, is not only alive and well ...
Plants & Animals
Nov 14, 2018
0
199
Curing debilitating genetic diseases is one of the great challenges of modern medicine. During the past decade, development of CRISPR technologies and advancements in genetics research brought new hope for patients and their ...
Biotechnology
Jul 1, 2022
0
256
Sometimes so-called synonymous mutations occur in DNA. These do not lead to a change in the protein sequence but which may still have major negative effects on the ability of bacteria to survive. New research from Uppsala ...
Evolution
Feb 17, 2016
0
59
(Phys.org)—Researchers have discovered that a genetic difference in a 'switch', which causes over-activity in parts of the brain, may explain why some people could be more susceptible to conditions such as obesity and addiction, ...
Biochemistry
Aug 23, 2012
6
0
A critical goal in genetics and evolution is predicting the effects of mutations that may happen in the future and inferring the effects of those that happened in the past. To make these predictions, scientists generally ...
Evolution
May 19, 2022
0
531
In a study analyzing the genomes of 210,000 people in the United States and Britain, researchers at Columbia University find that the genetic variants linked to Alzheimer's disease and heavy smoking are less frequent in people ...
Evolution
Sep 5, 2017
2
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