Human Y chromosome much older than previously thought
(Phys.org) —University of Arizona geneticists have discovered the oldest known genetic branch of the human Y chromosome – the hereditary factor determining male sex.
(Phys.org) —University of Arizona geneticists have discovered the oldest known genetic branch of the human Y chromosome – the hereditary factor determining male sex.
Biotechnology
Mar 4, 2013
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An international research collaboration has uncovered a new mechanism of the crosstalk between microtubules and actin cytoskeleton during cell division and revealed unique characteristics of the previously unexplored protein ...
Cell & Microbiology
Jul 16, 2024
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The gene editing technique CRISPR/Cas9 has allowed researchers to make precise and impactful changes to an organism's DNA to fix mutations that cause genetic disease. However, the CRISPR/Cas9 method can also result in unintended ...
Biotechnology
Sep 15, 2023
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Grey hair, wisdom, and wrinkles on our skin mark us as we age, but it's the more subtle changes beneath the surface that make us old. Now, researchers have discovered that our chromosomes also wrinkle with age, changing how ...
Biotechnology
Oct 31, 2017
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(Phys.org)—A team of researchers from South Korea, the U.K. and the U.S. has used computational methods to follow chromosomal rearrangements in seven genomes. In their paper published in Proceedings of the National Academy ...
(Phys.org)—A team of researchers with members from institutions in Hungary, the U.S. and the U.K. has found a link between the adult sex ratio (ASR) and gender chromosome differences. In their paper published in the journal ...
(Phys.org) —The diversity of plants, mammals and birds in Australia is well-known, but scientists have very little idea of how many hundreds of thousands of species of Australian insects exist.
Biotechnology
Aug 27, 2014
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(Phys.org) —A team of scientists at the Friedrich Miescher Institute for Biomedical Research and the University of Geneva has functionally dissected the molecular processes that ensure the stability of chromosomes. They ...
Cell & Microbiology
Jun 5, 2013
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The mitotic spindle, an apparatus that segregates chromosomes during cell division, may be more complex than the standard textbook picture suggests, according to researchers at the Harvard School of Engineering and Applied ...
Cell & Microbiology
Apr 26, 2012
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Analysis of ancient mitochondrial DNA (mtDNA) has been used to establish migration and population patterns for American indigenous cultures during the time before Christopher Columbus sailed to the Americas. New research ...
Biotechnology
Apr 23, 2012
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