In almost every human cell, 2 meters of DNA has to fit within a nucleus that is just 8 millionths of a meter wide. Like wool around a spool, the extreme space challenge requires DNA to wrap around structural proteins called ...
Evolution
Jun 9, 2022
0
47
(PhysOrg.com) -- MicroRNAs can move between cells and play a role in their communication. This discovery was made by plant researchers at Uppsala University together with colleagues from Finland and the US when they were ...
Biotechnology
May 4, 2010
0
0
(Phys.org) —In higher animals, an embryo's protein production immediately after fertilization relies on messenger RNAs (mRNAs) inherited from the mother. But shortly thereafter, the tiny organism undergoes a profound shift ...
Cell & Microbiology
Jan 30, 2014
0
0
Static models of gene regulation networks are inevitably oversimplified, indicating how one gene specifically switches certain target genes on while turning others off. However, the reality is much more dynamic and thus noisier. ...
Biotechnology
Jan 10, 2014
0
0
Human chromosomes are much bigger and more complex than proteins, but like proteins, they appear to fold and unfold in an orderly process as they carry out their functions in cells.
Cell & Microbiology
Apr 28, 2015
2
66
Bacteria have a cunning ability to survive in unfriendly environments.
Molecular & Computational biology
May 29, 2020
0
152
Studying how rattlesnakes regulate their venom gives us important insight into how their genes are controlled. It also highlights the challenges in treating snakebites, according to new research in the journal Genome Biology ...
Plants & Animals
Jan 26, 2024
0
102
Rice University scientists who say biological sensors aren't sensitive enough are doing something about it.
Analytical Chemistry
Apr 13, 2018
0
15
Scientists at the University of California, Irvine have developed a new deep-learning framework that predicts gene regulation at the single-cell level.
Biotechnology
Jan 6, 2021
0
195
Frog embryos do not fully control which genes they can turn on or off in the beginning of their development – but their mother does, through specific proteins in the egg cell. Molecular developmental biologists at Radboud ...
Cell & Microbiology
Dec 18, 2015
0
19
