In the cell nucleus, DNA wraps around what are called histone proteins, forming regularly spaced spherical bodies called nucleosomes. Thus, large portions of the genetic material are inaccessible to the gene reading machinery. ...
Biochemistry
Mar 7, 2012
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0
Scripps Research Institute scientists have made a significant leap forward in the drive to find a way to safely reprogram mature human cells and turn them into stem cells, which can then change into other cell types, such ...
Cell & Microbiology
Dec 2, 2010
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0
Potential precursors to life on Earth form from a variety of complex mixtures, according to a team of scientists who say this could point to the development of building blocks crucial to forming genetic molecules for the ...
Astrobiology
Jul 8, 2019
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421
Investigating the activity of genes in dog brain tissues revealed that a large portion of genes (16,000 out of 20,000) are active in all animals, and approximately 3,500 were differentially expressed between the age groups ...
Veterinary medicine
Mar 18, 2022
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35
(Phys.org)— A diverse group of researchers from the U.S. and China has discovered a molecule that allows for controlling the movements of animals using only light. In their paper published in the journal Nature Chemical ...
(PhysOrg.com) -- Using the same protein molecule that scientists have used for decades to copy genetic material, researchers have developed a molecular motor for propelling DNA.
Biochemistry
Apr 16, 2009
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0
New research paves the way for the development of a vaccine for the Tasmanian devil, currently on the brink of extinction because of a contagious cancer.
Plants & Animals
Mar 11, 2013
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0
(AP) -- Marshall Nirenberg, a scientist whose work untangling fundamental genetic processes earned him a Nobel Prize, has died. He was 82.
Other
Jan 21, 2010
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0
Harvard University scientists on Wednesday said they had created Smileys, Chinese characters and card-game symbols at scales of billionths of a metre using strands of DNA.
Bio & Medicine
May 30, 2012
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0
A team led by bioinformatics experts Andreas Keller and Fabian Kern from Saarland University together with researchers at Stanford University have gained new insights into manifestations of aging at the molecular level. They ...
Biotechnology
Apr 27, 2023
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