Johns Hopkins scientists report what is believed to be the first evidence that complex, reversible behavioral patterns in bees – and presumably other animals – are linked to reversible chemical tags on genes.
Plants & Animals
Sep 16, 2012
2
0
The discipline of systems chemistry deals with the analysis and synthesis of various autocatalytic systems and is therefore closely related to the study of the origin of life, since it investigates systems that can be considered ...
Biochemistry
Aug 9, 2023
0
421
In research that casts cells as curators of their own history, Dana-Farber Cancer Institute scientists have discovered that adult tissues retain a memory, inscribed on their DNA, of the embryonic cells from which they arose. ...
Cell & Microbiology
Mar 21, 2019
0
1340
Many animals – from locusts to fish – live in groups and swarm, but scientists aren't sure why or how this behavior evolved. Now a multidisciplinary team of Michigan State University scientists has used a model system ...
Plants & Animals
Jun 5, 2013
1
0
One of the greatest enigmas of evolutionary biology is that while sex is the dominant mode of reproduction among multicellular organisms, asexual reproduction appears much more efficient and less costly. However, in a study ...
Evolution
Jun 6, 2019
2
358
Highly developed seed plants evolved deep root systems that are able to sense Earth's gravity. The how and when of this evolutionary step has, until now, remained unknown. Plant biologists at the Institute of Science and ...
Plants & Animals
Aug 2, 2019
3
192
Tapeworms have no gut or head. They are parasites that cause debilitating diseases, which can be deadly and often don't respond to drugs. Now, scientists have mapped the genetic code of tapeworms for the first time, the journal ...
Biotechnology
Mar 18, 2013
0
0
A new study challenges the orthodoxy of microbiology that in response to environmental changes, bacterial genes will boost production of needed proteins and decrease production of those that aren't. Researchers with the U.S. ...
Cell & Microbiology
Jun 19, 2013
0
0
An essential weapon in the body's fight against infection has come into sharper view. Researchers at Princeton University have discovered the 3D structure of an enzyme that cuts to ribbons the genetic material of viruses ...
Cell & Microbiology
Mar 1, 2014
0
0
Viruses cannot only cause illnesses in humans, they also infect bacteria. Those protect themselves with a kind of 'immune system' which – simply put – consists of specific sequences in the genetic material of the bacteria ...
Cell & Microbiology
Nov 22, 2013
0
0
