Rather than one key and one strong lock, biology often uses tens or hundreds of weaker links to bind parts together, such as cell membranes. This allows for selectivity and also reversibility—the binding can also be undone. ...
Cell & Microbiology
Sep 2, 2021
0
46
DNA is composed of nucleobases represented by the letters A, T, G and C. They form the basis of the genetic code and are present in all living beings. But in a bacteriophage, another base, represented by the letter Z, exists. ...
Cell & Microbiology
Jul 9, 2021
0
221
Researchers have developed and successfully demonstrated a novel method for studying how cells repair damaged DNA in space. Sarah Stahl-Rommel of Genes in Space and colleagues present the new technique in the open-access ...
Biotechnology
Jun 30, 2021
0
16
Scientists have organized proteins—nature's most versatile building blocks—in desired 2D and 3D ordered arrays while maintaining their structural stability and biological activity. They built these designer functional ...
Biotechnology
Jun 25, 2021
0
16
The myriad processes occurring in biological cells may seem unbelievably complex at first glance. And yet, in principle, they are merely a logical succession of events, and could even be used to form digital circuits. Researchers ...
Biochemistry
Jun 2, 2021
0
26
Nanopore technology shows promise for making it possible to develop small, portable, inexpensive devices that can sequence DNA in real time. One of the challenges, however, has been to make the technology more accurate.
Biotechnology
Apr 29, 2021
0
28
Telomeres are large nucleoproteins structures that cap the ends of chromosomes in eukaryotic cells. When a cell divides, a small portion of the telomere is lost due to the inherently incomplete process of genome replication. ...
Biotechnology
Apr 22, 2021
0
197
From cancer treatment to sunlight, radiation and toxins can severely damage DNA in both harmful and healthy cells. While the body has evolved to efficiently treat and restore damaged cells, the mechanisms that allow this ...
Molecular & Computational biology
Apr 15, 2021
0
150
Over the past decade, the CRISPR-Cas9 gene editing system has revolutionized genetic engineering, allowing scientists to make targeted changes to organisms' DNA. While the system could potentially be useful in treating a ...
Biotechnology
Apr 9, 2021
12
1904
Using DNA structures as scaffolds, Tim Liedl, a scientist of Ludwig-Maximilians-Universitaet (LMU) in Munich, has shown that precisely positioned gold nanoparticles can serve as efficient energy transmitters.
Nanomaterials
Apr 8, 2021
0
93
