Geneticists exploring the dark heart of the human genome have discovered big chunks of Neanderthal and other ancient DNA. The results open new ways to study both how chromosomes behave during cell division and how they have ...
Evolution
Jun 18, 2019
0
938
A genomic study of human and selected nonhuman primate centromeres has revealed their unimaginable diversity and speed of evolutionary change.
Evolution
Apr 3, 2024
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44
It's been nearly two decades since a UC Santa Cruz research team announced that they had assembled and posted the first human genome sequence on the internet. Despite the passage of time, enormous gaps remain in our genomic ...
Biotechnology
Mar 19, 2018
0
40
Since the 1800s, scientists have noted configuration of centromeres, a special chromosomal region that is vital for cell division, in the nucleus. Up until this point, however, the determining mechanisms and the biological ...
Plants & Animals
Aug 1, 2022
0
87
Although the genomes of thousands of plant and animal species have been sequenced, for most of these genomes a significant portion is missing—the highly repetitive DNA. In the midst of these mysterious genome compartments ...
Molecular & Computational biology
May 14, 2019
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154
Researchers led by Osaka University used cryogenic electron microscopy to analyze the atomic structure of the centromeric region of the chromosome, essential for cell division. A protein called CENP-A marks the centromere; ...
Cell & Microbiology
Feb 6, 2023
0
73
A research team led by André Marques at the Max Planck Institute for Plant Breeding Research in Cologne, Germany, has uncovered the profound effects of an atypical mode of chromosome arrangement on genome organization and ...
Evolution
Aug 4, 2022
0
84
Each of your cells contains two copies of 23 chromosomes, one inherited from your father and one from your mother. Theoretically, when you create a gamete—a sperm or an egg—each copy has a 50-50 shot at being passed on. ...
Cell & Microbiology
Nov 2, 2017
1
130
When a cell divides—a process known as mitosis—its chromosomes need to be separated and evenly distributed into the newly created daughter cells. Although this is known to be extremely complicated and to feature a range ...
Cell & Microbiology
Nov 13, 2018
0
25
Fifteen years ago, the Human Genome Project announced they had cracked the code of life. Nonetheless, the published human genome map was incomplete and parts of our DNA remained to be deciphered. Now, a new study published ...
Biotechnology
Apr 10, 2018
0
7
