Scientists know that atmospheric oxygen irreversibly accumulated on Earth around 2.3 billion years ago, at a time known as the Great Oxidation Event, or GOE. Prior to that time all life was microbial, and most, if not all, ...
Earth Sciences
Jun 6, 2017
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With his thesis, Jacob Lewerentz, Department of Molecular Biology at Umeå University, contributes to the knowledge about how cells regulate their protein level and adapt to a new milieu outside their organism. He has also ...
Cell & Microbiology
Oct 3, 2022
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About ten years ago, the discovery of microRNAs — tiny cellular molecules that regulate our genetic code — unlocked a world of scientific possibilities, including a deeper understanding of human disease. One new analytical ...
Biotechnology
Sep 27, 2010
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(Phys.org) —Although they live in similarly extreme ecosystems at opposite ends of the world, Antarctic insects appear to employ entirely different methods at the genetic level to cope with extremely dry conditions than ...
Plants & Animals
Mar 12, 2013
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Spanish National Research Council (CSIC) researchers have reconstructed the invasion routes followed by the red swamp crayfish during its human-driven expansion based on the analysis of a mitochondrial gene (COI), which was ...
Plants & Animals
May 16, 2019
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The Aurora A kinase may contribute to polycystic kidney disease (PKD) by inactivating a key calcium channel in kidney cells, according to a study in the June 13 issue of The Journal of Cell Biology.
Cell & Microbiology
Jun 13, 2011
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Stanford marine biologist Stephen Palumbi describes the back reefs at Ofu Island in American Samoa as a tropical paradise with turquoise lagoons of warm water that would please any tourist.
Environment
Mar 20, 2012
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Cephalopods are a large family of marine animals that includes octopuses, cuttlefish and squid. They live in every ocean, from warm, shallow tropical waters to near-freezing, abyssal depths. More remarkably, report two scientists ...
Plants & Animals
Jun 8, 2023
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Stanford researchers have gained new insights into how the rise of reproductive barriers between organisms creates new species and drives the incredible diversification of life on Earth.
Evolution
Jan 18, 2024
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New modeling shows how synonymous mutations—those that change the DNA sequence of a gene but not the sequence of the encoded protein—can still impact protein production and function. A team of researchers led by Penn ...
Biochemistry
Dec 5, 2022
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