ScienceDaily: Biotechnology News |
- Hiding in plain sight, a new frog species with a 'weird' croak is identified in New York City
- Fragrant new biofuel: Researchers develop a new candidate for a cleaner, greener and renewable diesel fuel
- How muscle cells seal their membranes
- Capturing chromosomes during cell division
| Hiding in plain sight, a new frog species with a 'weird' croak is identified in New York City Posted: 14 Mar 2012 09:40 AM PDT In New York City -- in the midst of some of the world's tallest skyscrapers -- and within view of the Statue of Liberty, scientists have found a new frog species. While the discovery of new species are regularly made in remote rainforests, finding this one in the ponds and marshes of Staten Island, mainland New York, and New Jersey was a big surprise to scientists.  |
| Posted: 14 Mar 2012 07:12 AM PDT Researchers have identified methyl ketones, chemical compounds known for their fragrance and flavor, as strong biofuel candidates. Methyl ketones produced from glucose by engineered E. coli yielded high cetane numbers -- a diesel fuel rating comparable to the octane number for gasoline.  |
| How muscle cells seal their membranes Posted: 14 Mar 2012 07:05 AM PDT Every cell is enclosed by a thin double layer of lipids that separates the distinct internal environment of the cell from the extracellular space. Damage to this lipid bilayer, also referred to as plasma membrane, disturbs the cellular functions and may lead to the death of the cell. For example, downhill walking tears many little holes into the plasma membranes of the muscle cells in our legs. To prevent irreparable damage, muscle cells have efficient systems to seal these holes again. Researchers have succeeded for the first time in observing membrane repair in real-time in a living organism.  |
| Capturing chromosomes during cell division Posted: 14 Mar 2012 07:04 AM PDT Scientists have been successful in elucidating a new mechanism for the error-free segregation of the human genome during cell division. They have been able to show that the enzyme Aurora B and the protein complex Ska play a central role in flawless chromosome segregation.  |
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