In the early 1900s, a cook named Mary Mallon, better known as "Typhoid Mary," spread Salmonella Typhi, the causative agent of typhoid fever, to dozens of her patrons even though she showed no symptoms. Many people today harbor ...
Cell & Microbiology
Jan 22, 2024
0
15
Human pluripotent stem cells are cells that have two very important traits—a seemingly endless proliferative capability and the amazing ability to give rise to any cell in our body. These characteristics make these cells ...
Cell & Microbiology
Jan 16, 2024
0
32
Prime editing, a versatile form of gene editing that can correct most known disease-causing genetic mutations, now has a new vehicle to deliver its machinery into cells in living animals.
Biotechnology
Jan 8, 2024
0
3
In a new study published in the Proceedings of the National Academy of Sciences, University of Utah (the U) biologists have developed a method for illuminating the intricate interactions of the synaptonemal complex in the ...
Cell & Microbiology
Jan 3, 2024
0
41
The genetic alphabet contains just four letters, referring to the four nucleotides, the biochemical building blocks that comprise all DNA. Scientists have long wondered whether it's possible to add more letters to this alphabet ...
Biotechnology
Dec 14, 2023
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64
A previously mysterious small RNA molecule in mice is found to play a crucial role in gene expression, and may be the first identified member of a new class of regulatory RNAs.
Cell & Microbiology
Dec 13, 2023
0
26
A University of Michigan-led study based on a review of genetic and health information from more than 276,000 people finds strong support for a decades-old evolutionary theory that sought to explain aging and senescence.
Evolution
Dec 8, 2023
0
260
When mammals have offspring, they invest a lot. Unlike fish or frogs, the embryo cannot develop on its own. It has to implant in the uterus, where it is supplied with everything it needs to survive. Until this happens, the ...
Cell & Microbiology
Nov 6, 2023
0
4
A genetic breakthrough has opened new opportunities for iron-fortified vegetables and cereal crops to help address the global health issue of anemia.
Molecular & Computational biology
Oct 31, 2023
1
136
Sharks have been populating the oceans for about 400 to 500 million years. While our planet and many of its inhabitants have undergone massive changes several times during this period, this basal group of vertebrates has ...
Plants & Animals
Oct 23, 2023
1
196
