News tagged with ancient enzymes
Researchers create billion-year-old bacteria and trace its evolution
(PhysOrg.com) -- University of Waikato researchers have managed to create a billion-year-old bacterial enzyme and then trace its evolution through history, to the modern day.
Nov 01, 2011 |
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Researchers resurrect ancient enzymes to reveal conditions of early life on Earth
(PhysOrg.com) -- Scientists from Columbia University, Georgia Institute of Technology and the University of Granada have for the first time reconstructed active enzymes from four-billion-year-old extinct organisms. ...
Apr 12, 2011 |
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Search results for ancient enzymes
Bacteria alive (more or less) in 86-million-year-old seabed clay
(Phys.org) -- A new study by scientists from Denmark and Germany has found live bacteria trapped in red clay deposited on the ocean floor some 86 million years ago. The bacteria use miniscule amounts of oxygen ...
May 18, 2012 |
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Plant enzyme's origins traced to non-enzyme ancestors
(Phys.org) -- As plants began to transition from aquatic habitats to dry land some 500 million years ago, their needs changed. Those primitive ancestors of modern plants were ill-equipped to survive in a dry, sunlight-blasted ...
May 13, 2012 |
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Nature's billion-year-old battery key to storing energy
New research at Concordia University is bringing us one step closer to clean energy. It is possible to extend the length of time a battery-like enzyme can store energy from seconds to hours, a study published in the Journal of ...
Apr 18, 2012 |
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New insights into ancient life: Chromosome segregation in Archaea
(PhysOrg.com) -- The effort to classify life into various groups has been a bumpy ride. Prior to the 1900s, living things were usually pegged as either plants or animals – period. By the middle of the ...
Mar 16, 2012 |
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Ultraviolet protection molecule in plants yields its secrets
Lying around in the sun all day is hazardous not just for humans but also for plants, which have no means of escape. Ultraviolet (UV) radiation from the sun can damage proteins and DNA inside cells, leading ...
Feb 09, 2012 |
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Researchers identify molecular 'culprit' in rise of planetary oxygen
A turning point in the history of life occurred 2 to 3 billion years ago with the unprecedented appearance and dramatic rise of molecular oxygen. Now researchers report they have identified an enzyme that ...
Space & Earth / Earth Sciences
Jan 10, 2012 |
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NASA developing comet harpoon for sample return
(PhysOrg.com) -- The best way to grab a sample of a rotating comet that is racing through the inner solar system at up to 150,000 miles per hour while spewing chunks of ice, rock and dust may be to avoid the ...
Space & Earth / Space Exploration
Dec 13, 2011 |
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Star Wars-inspired bacterium provides glimpse into life
(PhysOrg.com) -- A bacterium whose name was inspired by the Star Wars films has provided new clues into the evolution of our own cells and how they came to possess the vital energy-producing units called mitochondria.
Dec 09, 2011 |
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Last universal common ancestor more complex than previously thought
Scientists call it LUCA, the Last Universal Common Ancestor, but they don't know much about this great-grandparent of all living things. Many believe LUCA was little more than a crude assemblage of molecular parts, a chemical ...
Oct 05, 2011 |
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Harmless soil-dwelling bacteria successfully kill cancer
A bacterial strain that specifically targets tumours could soon be used as a vehicle to deliver drugs in frontline cancer therapy. The strain is expected to be tested in cancer patients in 2013 says a scientist ...
Sep 05, 2011 |
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List of search results for ancient enzymes
