Origin of complex cells started without oxygen
The origin of complex cells started without oxygen, new research suggests.
The origin of complex cells started without oxygen, new research suggests.
Evolution
Apr 27, 2022
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Seagrasses cover shallow coastal regions of temperate and tropical seas worldwide. Seagrass meadows form the basis of an essential ecosystem that is home to numerous animals, including endangered species of sea turtles, seahorses, ...
Environment
Feb 14, 2022
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21
University of Exeter scientists have discovered new information about the tiny propellers used by single-cell organisms called archaea.
Plants & Animals
Feb 7, 2022
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A study led by microbiologists at TU Dresden shows that methanogenic archaea do not always need to form methane to survive. It is possible to bypass methanogenesis with the seemingly simpler and more environmentally friendly ...
Ecology
Jan 12, 2022
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67
Archaea are often mistaken as bacteria, given that both are small, single-cell organisms. However, archaea are as genetically different from bacteria as humans are from bacteria. While archaea are found in most environments, ...
Cell & Microbiology
Oct 27, 2021
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17
The emergence of eukaryotic cells is considered as a critical biological evolutionary event on Earth. The origin of eukaryotes and eukaryosis are frontier issues in both life and Earth sciences. Currently, it is widely accepted ...
Other
Oct 20, 2021
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Microbial production of methane from organic material is an essential process in the global carbon cycle and an important source of renewable energy. This natural process is based on a cooperative interaction between different ...
Materials Science
Oct 4, 2021
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136
Methanogenic archaea use sophisticated enzyme systems to live in energy-limited anoxic environments. A key mechanism for saving energy is electron bifurcation, a reaction that 'splits' the energy of a pair of electrons, making ...
Cell & Microbiology
Sep 3, 2021
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67
"The distinction between the past, present and future is only a stubbornly persistent illusion," Albert Einstein wrote. Perhaps this is nowhere more evident than in protein evolution, where past and present versions of the ...
Evolution
Aug 25, 2021
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2121
A team of researchers from the University of California, Colorado State University and Lawrence Berkeley National Laboratory has discovered a new kind of extrachromosomal element (ECE) living inside of a methane-metabolizing ...