Reproductive cells, such as an egg and sperm, join to form stem cells that can mature into any tissue type. But how do reproductive cells arise? We humans are born with all of the reproductive cells that we will ever produce. ...
Biotechnology
Mar 16, 2014
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0
We know that our environment -- what we eat, the toxic compounds we are exposed to -- can positively or negatively impact our life span. But could it also affect the longevity of our descendants, who may live under very different ...
Biotechnology
Oct 19, 2011
1
1
In mammals, social behavior and social status can substantially influence the survival, reproductive performance, and health of individuals. However, it is not yet fully understood how the translation of social and environmental ...
Plants & Animals
Mar 28, 2024
0
15
A research team has recently made a significant breakthrough in understanding how the DNA copying machine helps pass on epigenetic information to maintain gene traits at each cell division.
Cell & Microbiology
Mar 7, 2024
0
195
Every cell in the human body contains the same genetic instructions, encoded in its DNA. However, out of about 30,000 genes, each cell expresses only those genes that it needs to become a nerve cell, immune cell, or any of ...
Cell & Microbiology
Nov 16, 2023
0
101
Recent discoveries in the field of epigenetics, the study of inheritance of traits that occur without changing the DNA sequence, have shown that chronological age in mammals correlates with epigenetic changes that accumulate ...
Evolution
Sep 30, 2023
0
209
Researchers Dr. Ádám Sturm and Dr. Tibor Vellai from Eötvös Loránd University, Hungary have made an exciting breakthrough in understanding how we age. They focused on "transposable elements" (TEs), which are parts of ...
Cell & Microbiology
Sep 25, 2023
0
162
Researchers at the Centre for Genomic Regulation (CRG) in Barcelona and the Max Delbrück Center for Molecular Medicine in the Helmholtz Association in Berlin have revealed how cells accelerate changes to their identity, ...
Cell & Microbiology
Jun 27, 2023
0
58
Like thread tightly wrapped around a spool, DNA is wrapped around histones and packaged into structures called nucleosomes. Scientists at St. Jude Children's Research Hospital are exploring how a type of transcription factor ...
Cell & Microbiology
May 24, 2023
0
137
Studying the microbiology of any entity, be it a molecule or a dolphin, ideally means putting a spotlight as close to the source material as possible. That can be especially challenging when you're investigating the Rube ...
Biochemistry
Apr 5, 2023
0
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