Friday, June 17, 2011

ScienceDaily: Biotechnology News

ScienceDaily: Biotechnology News

Gatekeepers: How microbes make it past tight spaces between cells

Posted: 16 Jun 2011 04:39 PM PDT

There are ten microbial cells for every one human cell in the body, and microbiology dogma holds that there is a tight barrier protecting the inside of the body from outside invaders, in this case bacteria. Bacterial pathogens can break this barrier to cause infection and researchers wondered how microbes get inside the host and circulate in the first place. They tested to see if microbes somehow weaken host cell defenses to enter tissues.

Surroundings matter: Researchers engineer the environment for stem cell development to control differentiation

Posted: 16 Jun 2011 11:27 AM PDT

New research shows that systematically controlling the local and global environments during stem cell development helps to effectively direct the process of differentiation. In the future, these findings could be used to develop manufacturing procedures for producing large quantities of stem cells for diagnostic and therapeutic applications.

How the immune system fights back against anthrax infections

Posted: 16 Jun 2011 09:19 AM PDT

Scientists have uncovered how the body's immune system launches its survival response to the notorious and deadly bacterium anthrax. The findings describe key emergency signals the body sends out when challenged by a life-threatening infection.

New supercomputer will chase novel genes

Posted: 16 Jun 2011 06:25 AM PDT

A new supercomputer having Northern Europe's largest 'shared memory' can quickly and efficiently process the enormous quantities of genetic information, which is key to advances in green biotechnology, using DNA from tens of thousands of microorganisms to create new cell factories.
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