Researchers have shown for the first time that embryonic cells destined to become either egg or sperm rely on different methods of repressive gene regulation.
Cell & Microbiology
Dec 9, 2021
0
39
Within a cell, the nucleus is surrounded by the nuclear envelope—two layers of phospholipid membrane that prevents the nucleus mixing with other parts of the cell, thus protecting the cell's DNA from outside damage.
Cell & Microbiology
Dec 8, 2021
0
373
Stained molecules in the cell nucleus, the inner life of a synaptic cleft, or the surface of a floral leaf: Modern microscopes enable researchers to examine processes that are otherwise invisible and located in tiniest structures ...
Cell & Microbiology
Dec 7, 2021
0
5
Biomedical Engineering Professor Corey Neu and Ph. D. student Benjamin Seelbinder of the University of Colorado at Boulder wanted to answer two fundamental questions. How do cells adapt to their environment and how does a ...
Cell & Microbiology
Dec 2, 2021
0
90
The human genome can be thought of as a massive library, containing over 20,000 different "instruction manuals": your genes. For example, there are genes which contain information to build a brain cell, a skin cell, a white ...
Cell & Microbiology
Nov 5, 2021
0
563
All proteins in a cell are assembled by complicated molecular machines. The precursors of these ribosomes are produced in the cell nucleus and then enter the cell through the so-called nuclear pores. Researchers at the University ...
Cell & Microbiology
Oct 27, 2021
1
2505
Within the microscopic boundaries of a single human cell, the intricate folds and arrangements of protein and DNA bundles dictate a person's fate: which genes are expressed, which are suppressed, and—importantly—whether ...
Biotechnology
Oct 11, 2021
0
152
A team led by researchers at Baylor College of Medicine has discovered a mechanism by which transcription factor KLF4 can help to organize chromatin, thus influencing gene expression.
Cell & Microbiology
Sep 22, 2021
0
44
Duchenne muscular dystrophy (DMD), a rare genetic disease usually diagnosed in young boys, gradually weakens muscles across the body until the heart or lungs fail. Symptoms often show up by age 5; as the disease progresses, ...
Biochemistry
Aug 10, 2021
0
680
The nucleolus—a conspicuous but obscure organelle within the cell nucleus—is normally too compact to be studied in detail. Researchers at Case Western Reserve University just learned how to simplify its structure in living ...
Cell & Microbiology
Aug 10, 2021
0
344
