News tagged with prokaryote
Single gene mutation can sweep through bacterial population, opening the door for the concept of 'species'
Bacteria are the most populous organisms on the planet. They thrive in almost every known environment, adapting to different habitats by means of genetic variations that provide the capabilities essential ...
Apr 05, 2012 |
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Researchers Present New Sex Evolution Theory
(PhysOrg.com) -- Harris Bernstein and Carol Bernstein have proposed a new theory on the billion-year-old mystery of sexual reproduction evolution.
Jul 08, 2010 |
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Discovery of a complex, multicellular life from over two billion years ago
The discovery in Gabon of more than 250 fossils in an excellent state of conservation has provided proof, for the first time, of the existence of multicellular organisms 2.1 billion years ago. This finding ...
Space & Earth / Earth Sciences
Jun 30, 2010 |
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Researchers Clone and Engineer Bacterial Genomes in Yeast and Transplant Genomes Back into Bacterial Cells
Researchers at the J. Craig Venter Institute (JCVI), a not-for-profit genomic research organization, published results today describing new methods in which the entire bacterial genome from Mycoplasma mycoides was cloned ...
Aug 24, 2009 |
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Search results for prokaryote
Scientists find the structure of a key 'gene silencer' protein
Scientists at The Scripps Research Institute have determined the three-dimensional atomic structure of a human protein that is centrally involved in regulating the activities of cells. Knowing the precise ...
Apr 26, 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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Study reveals how protein machinery binds and wraps DNA to start replication
(PhysOrg.com) -- Before any cell - healthy or cancerous - can divide, it has to replicate its DNA. So scientists who want to know how normal cells work - and perhaps how to stop abnormal ones - are keen to ...
Mar 06, 2012 |
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Researchers identify structure of key control element behind protein misfolding that can lead to disease
The gold standard for nanotechnology is nature's own proteins. These biomolecular nanomachines – macromolecules forged from peptide chains of amino acids - are able to fold themselves into a dazzling ...
Feb 24, 2012 |
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Genetic information migrates from plant to plant
Plant scientists were confounded by the fact that the DNA extracted from the plants’ green chloroplasts sometimes showed the greatest similarities when related species grew in the same area. They tried ...
Feb 03, 2012 |
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Microbe metabolism: For the smallest organisms, size determines how microbes spend energy
Every living organism balances a budget of sorts — by allocating energy to various parts of its body to fuel essential life processes. Throughout its lifetime, an organism may rebalance this budget to ...
Jan 04, 2012 |
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Shedding light on the 'dark matter' of the genome
Most of the time, Stefano Torriani is a plant pathologist. His most recent research project revolved around the fungus Mycosphaerella graminicola where he analyzed a special class of genes that encode cell wall degrading enzyme ...
Nov 29, 2011 |
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Detailed view of a crucial enzymatic complex revealed
Researchers led by ETH professor Nenad Ban have now completed the three-dimensional structure of the ribosome from a higher organism. This structure will increase the understanding of this cellular “protein ...
Nov 07, 2011 |
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Clearing house for DNA gets a boost
Arizona State University's Biodesign Institute is home to a rich trove of biological material. Known as DNASU, this growing storehouse—a sort of genetic Library of Congress—holds over 147,000 plasmids, (circular ...
Oct 20, 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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List of search results for prokaryote
