A tiny chemical modification on one of the most abundant and important proteins in cells, actin, has long been somewhat mysterious, its function not fully understood, but scientists from the Perelman School of Medicine at ...
Cell & Microbiology
Apr 8, 2020
0
67
Early on in each cell, a critical protein known as FoxA2 simultaneously binds to both the chromosomal proteins and the DNA, opening the flood gates for gene activation, according to a new study led by researchers in the Perelman ...
Cell & Microbiology
Mar 18, 2020
0
78
One out of eight couples has trouble conceiving, with nearly a quarter of those cases caused by unexplained male infertility. For the past decade, research has linked that infertility to defective sperm that fail to "evict" ...
Molecular & Computational biology
Dec 16, 2019
0
27
Through early adulthood, exposure to new experiences—like learning to drive a car or memorizing information for an exam—triggers change in the human brain, re-wiring neural pathways to imprint memories and modify behavior. ...
Plants & Animals
Nov 12, 2019
1
408
For the past 20 years, researchers have been trying to perfect the construction of human artificial chromosomes, or HACs for short. In a paper published today in Cell, Penn researchers describe a new way to form an essential ...
Molecular & Computational biology
Jul 25, 2019
0
52
Transitions are a hallmark of life. When dormant plants flower in the spring or when a young adult strikes out on their own, there is a shift in control. Similarly, there is a transition during early development when an embryo ...
Cell & Microbiology
Jun 18, 2019
1
62
Viruses, the most abundant biological entities on earth, are a scourge on humanity, causing both chronic infections and global pandemics that can kill millions. Yet, the true extent of viruses that infect humans remains completely ...
Molecular & Computational biology
May 8, 2019
0
91
Laws that require landlords to disclose bed bug infestations help combat the spread of the insects and protect the health of potential tenants. According to a new study, these laws also lead to cost savings, on average, for ...
Mathematics
Mar 4, 2019
2
41
Kidney stones—solid, pebble-like grit that forms when too much of certain minerals like calcium are in the urine—can strike men, women, and increasingly, children, and the presence and pain of stones afflicts more than ...
Biochemistry
Oct 10, 2018
0
4
The genome sequences of ape parasites related to Plasmodium vivax (P. vivax), the main source of mosquito-borne malaria outside Africa, provide insights on the origin and early evolution of the human parasite. This finding ...
Cell & Microbiology
Aug 20, 2018
0
42
