Early migrations of humans to the Americas from Siberia around 12,000 years ago have been traced using the bacteria they carried by an international team including scientists at the University of Warwick.
Evolution
Jun 14, 2021
3
410
When a plant or animal species is introduced to a new environment with few natural predators, it can spread uncontrollably, transforming the ecosystem and crowding out existing populations. One well-known example is the cane ...
Ecology
Feb 20, 2020
0
380
One of the best studied topics of molecular biology is bacterial chemotaxis-the movement of bacterial cells in response to chemical stimuli. While scientists at UC San Diego thought they—and the science community in general—knew ...
Cell & Microbiology
Nov 6, 2019
0
111
There is remarkable biodiversity in all but the most extreme ecosystems on Earth. When many species are competing for the same finite resource, a theory called competitive exclusion suggests one species will outperform the ...
General Physics
Jan 2, 2018
13
1247
Bacteriophages—viruses that infect bacteria—are common in soil ecosystems. However, many of these phages have not been identified, and the bacteria they target are also a mystery.
Ecology
Feb 13, 2024
0
47
A new model demonstrates that chasing interactions can induce dynamical patterns in the organization of bacterial species. Structural patterns can be created due to the chasing interactions between two bacterial species.
General Physics
Oct 6, 2023
0
170
Eating and being eaten is a normal process in nature. These predator–prey dynamics help to stabilize ecosystems. It ensures that individual species do not become too abundant, controls their populations, and prevents damage ...
Ecology
Feb 28, 2023
0
73
People flock to shopping malls for all sorts of reasons. But money isn't the only thing they leave behind—and shopping bags aren't the only things they take home.
Cell & Microbiology
Jan 6, 2023
0
36
Researchers from Konstantin Severinov's laboratory have shown what luck has to do with bacterial cells acquiring and retaining small DNA molecules called plasmids in spite of the countering action of the CRISPR-Cas defense. ...
Evolution
May 6, 2022
0
21
Networks are systems comprising many components that interact with one another through a collection of connections, nodes and links. In a well-functioning brain, neural networks assemble the cellular components needed for ...
General Physics
Feb 25, 2022
0
23
