One enzyme regulates the body's insulin receptor, ensuring energy needed for function and survival. The other enables a bacterium to wreak havoc in the form of bubonic plague.
Biochemistry
Aug 22, 2013
0
0
Certain bacteria can build such complex membrane structures that, in terms of complexity and dynamics, look like eukaryotes, i.e., organisms with a distinct membrane-bound nucleus. Scientists from Heidelberg University and ...
Cell & Microbiology
Aug 16, 2013
0
0
(Phys.org) —Mad cow disease and its cousin Creutzfeld-Jakob disease cause fatal spongy changes in brain tissue. Today, we know that these diseases are caused by prions, proteins that are folded incorrectly. A team of German ...
Biochemistry
Aug 16, 2013
0
0
Research at the University of Sheffield, published in the latest issue of Water Science and Technology: Water Supply, points the way to more sophisticated and targeted methods of ensuring our drinking water remains safe to ...
Cell & Microbiology
Aug 14, 2013
0
0
(Phys.org) —A high-angle helix helps microorganisms like sperm and bacteria swim through mucus and other viscoelastic fluids, according to a new study by researchers from Brown University and the University of Wisconsin. ...
General Physics
Aug 13, 2013
0
0
(Phys.org) —In 1958 a group of scientists working in Denmark made the striking observation that bacterial cells are about twice as large when they are cultured on a rich nutrient source than when they are cultured on a ...
Cell & Microbiology
Aug 12, 2013
0
0
(Phys.org) —A scientific breakthrough by researchers at the University of Kent has revealed how vitamin B12/antipernicious anaemia factor is made – a challenge often referred to as 'the Mount Everest of biosynthetic problems'.
Biochemistry
Aug 8, 2013
0
0
New Zealand and Australian scientists have found a new way in which bacteria store and release toxins, and their discovery may be harnessed to develop new bioinsecticides for crop pests and even new medicines.
Ecology
Aug 5, 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
Abdominal pain, fever, diarrhoea—these symptoms could point to an infection with the bacterium Yersinia. The bacterium's pathogenic potential is based on a syringe-like injection apparatus called injectisome. For the first ...
Cell & Microbiology
Jul 31, 2013
2
0
