(Phys.org) —Transposons are DNA elements that can multiply and change their location within an organism's genome. Discovered in the 1940s, for years they were thought to be unimportant and were called "junk DNA." Also ...
Biotechnology
Aug 15, 2013
1
0
When you hear the word "mutations", you probably think of something negative like heritable diseases. But mutations also mean genetic diversity and are at the centre of evolution. Researchers have now uncovered a surprisingly ...
Biotechnology
Aug 14, 2013
0
0
This is a veritable mechanics of aggression on the nanoscale. Certain bacteria, including Staphylococcus aureus, have the ability to deploy tiny darts. This biological weapon kills the host cell by piercing the membrane. ...
Biochemistry
Aug 4, 2013
0
0
(Phys.org) —A Kansas State University-led study has discovered the role of a protein in bacteria that cause a wide variety of diseases, including typhoid fever, plague, meningitis and dysentery. The results may lead to ...
Cell & Microbiology
Jul 1, 2013
0
0
Chlamydia trachomatis is a human pathogen that is the leading cause of bacterial sexually transmitted disease worldwide with more than 90 million new cases of genital infections occurring each year. About 70 percent of women ...
Cell & Microbiology
Jun 20, 2013
1
0
Like a stealthy enemy, blast disease invades rice crops around the world, killing plants and cutting production of one of the most important global food sources. Now a study by an international team of researchers has shed ...
Biotechnology
Jun 18, 2013
1
1
Researchers from Murdoch University have developed an environmentally friendly 'gene silencing' method to control Root Lesion Nematodes, plant pathogens known to reduce crop yields in major crops such as wheat and barley ...
Ecology
Apr 30, 2013
0
0
A new study which was performed jointly at Umea University and the University of Washington in Seattle, USA, discovered that bacteria can degrade the cell membrane of bacterial competitors with enzymes that do not harm their ...
Cell & Microbiology
Apr 4, 2013
0
0
(Phys.org) —Increases in ground-level ozone, especially in rural areas, may interfere not only with predator insects finding host plants, but also with pollinators finding flowers, according to researchers from Penn State ...
Environment
Apr 2, 2013
0
0
More than three quarters of new, emerging or re-emerging human diseases are caused by pathogens from animals, according to the World Health Organization.
Ecology
Mar 20, 2013
0
0
