Cells trying to keep pace with constantly changing environmental conditions need to strike a fine balance between maintaining their genomic integrity and allowing enough genetic flexibility to adapt to inhospitable conditions. ...
Cell & Microbiology
Jan 29, 2012
0
0
(PhysOrg.com) -- For hundreds of years, researchers from many branches of science have sought to explain the veritable explosion in diversity in animal organisms that started approximately 541 million years ago here on planet ...
Genetic parasites invaded the mammalian genome more than 100 million years ago and dramatically changed the way mammals reproduce -- transforming the uterus in the ancestors of humans and other mammals from the production ...
Biotechnology
Sep 25, 2011
9
0
A "hidden" code linked to the DNA of plants allows them to develop and pass down new biological traits far more rapidly than previously thought, according to the findings of a groundbreaking study by researchers at the Salk ...
Biotechnology
Sep 16, 2011
26
0
In the quest to understand genomes -- how they're built, how they're organized and what makes them work -- a team of Johns Hopkins researchers has engineered from scratch a computer-designed yeast chromosome and incorporated ...
Cell & Microbiology
Sep 14, 2011
29
0
Yale University researchers have successfully re-engineered the protein-making machinery in bacteria, a technical tour de force that promises to revolutionize the study and treatment of a variety of diseases.
Biochemistry
Aug 25, 2011
0
0
(PhysOrg.com) -- Archaea are among the oldest known life-forms, but they are not well understood. It was only in the 1970s that these single-celled microorganisms were designated as a domain of life distinct from bacteria ...
Cell & Microbiology
Jul 6, 2011
0
0
Scientists at Penn State University have achieved a major milestone in the attempt to assemble, in a test tube, entire chromosomes from their component parts. The achievement reveals the process a cell uses to package the ...
Cell & Microbiology
May 19, 2011
0
0
(PhysOrg.com) -- The evolution and diversification of the more than 300,000 living species of flowering plants may have been "jump started" much earlier than previously calculated, a new study indicates. According to Claude ...
Evolution
Apr 10, 2011
2
0
(PhysOrg.com) -- One of the most difficult aspects of working at the nanoscale is actually seeing the object being worked on. Biological structures like viruses, which are smaller than the wavelength of light, are invisible ...
Bio & Medicine
Sep 1, 2010
0
0
