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
Within every cell in our body, our DNA is tightly bundled with proteins to form structures known as chromosomes. The commonly known shape of a chromosome relates to an X-shaped appearance in many organisms. The formation ...
Plants & Animals
Feb 14, 2024
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9
Researchers from China studying soybean genome evolution have focused on the phenomenon of centromere repositioning, which involves the formation of new centromeres at different chromosomal locations without altering the ...
Evolution
Oct 13, 2023
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1
Holocentric chromosomes have evolved independently from X-shaped monocentric chromosomes multiple times in both animals and plants, but the mechanism behind the centromere-type transition is unknown. Now, an international ...
Cell & Microbiology
Jun 15, 2023
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21
During cell division, chromosomes, i.e., molecules containing our genetic material, must be properly replicated and segregated so that each daughter cell receives a complete and accurate set. Now, in an article published ...
Cell & Microbiology
Jun 8, 2023
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77
When creating a computer program, errors in the code can introduce bugs to the software. Similarly, errors in our body's genetic code, DNA, which is stored in structures known as chromosomes, can bring about mutations in ...
Cell & Microbiology
May 26, 2023
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83
Centromeres, the DNA sections often found at the center of the chromosomes, display enormous interspecies diversity, despite having the same vital role during cell division across almost the entire tree of life. An international ...
Evolution
May 17, 2023
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44
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
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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
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84
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
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87
