As an organism grows and responds to its environment, genes in its cells are constantly turning on and off, with different patterns of gene expression in different cells. But can changes in gene expression be passed on from ...
Biotechnology
Mar 20, 2019
1
61
When potential DNA evidence—say, from a sexual assault case—is submitted to a forensic lab for analysis, the scientists are often faced with the time-consuming challenge of sorting out which DNA profile came from the ...
Analytical Chemistry
Feb 6, 2019
0
125
The steady production of sperm relies on the number of sperm stem cells in the testis remaining constant. Researchers including Assistant Professor Yu Kitadate and Professor Shosei Yoshida (developmental biologists at the ...
Cell & Microbiology
Dec 21, 2018
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38
In mammals, females have a limited supply of oocytes. Oocytes have a unique epigenome with approximately half the DNA methylation of sperm, and the most terminally differentiated somatic cells. Until recently, regulators ...
Biotechnology
Nov 29, 2018
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55
Researchers have found that a protein in the cell membranes of sperm plays a key role in how they find their way to eggs. The PMCA protein may also help explain how egg cells only interact with sperm from the same species. ...
Cell & Microbiology
Nov 15, 2018
0
68
Millions of couples who have trouble conceiving may get relief from new research led by scientists at The University of Texas at San Antonio. The researchers have developed a high-resolution genetic map showing how men produce ...
Cell & Microbiology
Nov 7, 2018
0
46
Scientists have created miniature magnetic swimming devices – which mimic the appearance of sperm cells – that could revolutionise disease treatment by swimming drugs to specific areas of the body.
Soft Matter
Oct 2, 2018
0
150
Through clever partner selection, animals can increase the future success of their offspring. With some species, this process continues even after the sex act. Researchers at the Max Planck Institute for Evolutionary Biology ...
Evolution
Oct 1, 2018
0
36
Scientists affiliated with the Marine Biological Laboratory (MBL) have identified a key molecule driving chemoattraction between sperm and egg cells in marine invertebrates. The study was recently published in Nature Communications.
Cell & Microbiology
Aug 3, 2018
1
695
(Phys.org)—A pair of researchers affiliated with the University of California and Calico Life Sciences, has discovered a possible explanation regarding how human germlines are rejuvenated. In their paper published in the ...
