The field of evolutionary biology has seen its share of spirited debates. But if there's one principle that virtually every expert in the field agrees on, it's that natural selection occurs at the level of the genome.
Evolution
Jan 16, 2020
9
1870
RNA, or ribonucleic acid, is present in the cells of all living beings and required to synthesize proteins. A research team at the University of California, Riverside, has discovered the structure of a novel RNA-modifying ...
Molecular & Computational biology
Nov 6, 2019
0
424
Scientists at the US Department of Energy's Oak Ridge National Laboratory have demonstrated a method to insert genes into a variety of microorganisms that previously would not accept foreign DNA, with the goal of creating ...
Cell & Microbiology
Sep 13, 2019
0
49
All species mark their DNA with methyl groups. This is done to regulate gene expression, distinguish indigenous DNA from foreign DNA, or to mark old DNA strands during replication. Methylation is carried out by certain enzymes ...
Cell & Microbiology
Aug 19, 2019
0
255
Single-cell research reveals minute details about cells that may be overlooked in other analyses. Biologists currently use a range of methods to gather single-cell data on diverse tissues and species. One researcher may use ...
Cell & Microbiology
Jun 7, 2019
0
52
DNA activity can change without changing the sequence of the DNA segment itself. Gene activation and inactivation can be the basis for how species produce unique individuals. Some processes that change gene activity are well ...
Evolution
Feb 25, 2019
0
135
UCLA biologist Steve Jacobsen's research has the potential to have a significant impact on the improvement of crops.
Plants & Animals
Feb 14, 2019
0
41
Researchers from the University of Queensland's Australian Institute for Bioengineering and Nanotechnology (AIBN) have discovered a unique nano-scaled DNA signature that appears to be common to all cancers.
Bio & Medicine
Dec 4, 2018
0
1485
In mammals, females have a limited supply of oocytes. Oocytes have a unique epigenome with approximately half the DNA methylation of sperm, and the most terminally differentiated somatic cells. Until recently, regulators ...
Biotechnology
Nov 29, 2018
0
55
Different subpopulations of a plant species can have distinct traits, varying in size, seed count, coloration, and so on. The primary source of this variation is genes: different versions of a gene can lead to different traits. ...
Biotechnology
Nov 20, 2018
0
20
