A study conducted by researchers at the University of São Paulo in Brazil shows that competition for nutrients and lack of cooperation among bacteria of the species Escherichia coli in the same population and in situations ...
Cell & Microbiology
Mar 10, 2021
0
7
DNA sequences that can fold into shapes other than the classic double helix tend to have higher mutation rates than other regions in the human genome. New research by a team of Penn State scientists shows that the elevated ...
Molecular & Computational biology
Feb 8, 2021
0
79
Inside every cell lies a genome—a full set of DNA that contains the instructions for building an organism. Across the biological world, genomes show a staggering diversity in size. For example, the genome of the Japanese ...
Evolution
Aug 6, 2020
0
34
Whilst most organisms try to stop their DNA from mutating, scientists from the UK and China have discovered that a common fungus found on bread actively mutates its own DNA as a way of fighting virus-like infections.
Biotechnology
Jun 22, 2020
0
112
Before there were animals, bacteria or even DNA on Earth, self-replicating molecules were slowly evolving their way from simple matter to life beneath a constant shower of energetic particles from space.
General Physics
May 20, 2020
11
1188
When you hear the term "evolutionary tree," you may think of Charles Darwin and the study of the relationships between different species over the span of millions of years.
Evolution
Apr 7, 2020
0
47
Peter Thielen and Tom Mehoke have spent years sequencing the genome of influenza. Now, as a new strain of coronavirus spreads across the globe, these biologists from Johns Hopkins Applied Physics Laboratory are transitioning ...
Biotechnology
Mar 31, 2020
0
27
Scientists at Uppsala University have proposed an addition to the theory of evolution that can explain how and why genes move on chromosomes. The hypothesis, called the SNAP Hypothesis, is presented in the scientific journal ...
Evolution
Mar 4, 2020
2
177
After exposing more than 70 million grain amaranth seeds to a soil-based herbicide, researchers were not able to find a single herbicide-resistant mutant. Though preliminary, the findings suggest that the mutation rate in ...
Ecology
May 28, 2019
0
245
Mutation rates are proposed to be a pragmatic balance struck between the harmful effects of mutations and the costs of suppressing them; this hypothesis predicts that longer-lived body parts and those that contribute to the ...
Biotechnology
Apr 9, 2019
0
33
