Small differences in DNA sequence contribute to heritable variations within a species, as do chemical modifications of DNA called epigenetic changes. In order to better understand the significance of such epigenetic changes ...
Molecular & Computational biology
Nov 9, 2022
0
10
A team of scientists at Whitehead Institute and the Broad Institute of MIT and Harvard have systematically evaluated the functions of more than 5,000 essential human genes using a novel, pooled, imaged-based screening method. ...
Cell & Microbiology
Nov 8, 2022
0
209
Hybrids of two common North American songbirds, the black-capped and mountain chickadee, are more likely to be found in places where humans have altered the landscape in some way, finds new University of Colorado Boulder ...
Plants & Animals
Oct 28, 2022
0
90
The first Neanderthal draft genome was published in 2010. Since then, researchers from the Max Planck Institute for Evolutionary Anthropology have sequenced a further 18 genomes from 14 different archaeological sites throughout ...
Archaeology
Oct 19, 2022
2
1460
In 1923, Te Rangi Hīroa (Sir Peter Buck) documented the last confirmed capture of a special fish—the upokororo or New Zealand grayling.
Molecular & Computational biology
Oct 2, 2022
0
9
What's in a name? For microorganisms, apparently a lot.
Cell & Microbiology
Sep 21, 2022
1
136
Mitochondria are compartments—so-called "organelles"—in our cells that provide the chemical energy supply we need to move, think, and live. Chloroplasts are organelles in plants and algae that capture sunlight and perform ...
Evolution
Sep 16, 2022
0
58
A multidisciplinary team of Indiana University researchers have discovered that the motion of chromatin, the material that DNA is made of, can help facilitate effective repair of DNA damage in the human nucleus—a finding ...
Cell & Microbiology
Sep 2, 2022
0
163
A simple statistical test shows that contrary to current practice, the "gaps" within DNA protein and sequence alignments commonly used in evolutionary biology can provide important information about nucleotide and amino acid ...
Evolution
Aug 16, 2022
3
591
pH—the concentration of protons in a watery solution—indicates how acidic the solution is. It regulates a broad range of natural and engineered chemical processes, including the synthesis of designed DNA sequences for ...
Biochemistry
Jul 27, 2022
0
125
