ScienceDaily: Biotechnology News |
- Protein plays role in helping plants see light
- Why many cells are better than one: Limited decision-making ability of individual cells is bolstered in masses
- 'Dark matter' of the genome revealed through analysis of 29 mammals
- Researchers reconstruct genome of the Black Death; Bacteria found to be ancestor of all modern plagues
- Understanding the constraints of evolution provides roadmap to mammalian biology
- Significant breakthrough in study of chlamydia
- Scientists move closer to predicting who will and will not fight off severe infections
- Scientists demonstrate the power of optical forces in blood cell identification
| Protein plays role in helping plants see light Posted: 12 Oct 2011 03:56 PM PDT Scientists report for the first time the elusive role a critical protein plays in this molecular signaling pathway that regulates phototropism in plants.  |
| Posted: 12 Oct 2011 01:13 PM PDT Researchers have quantified the number of possible decisions that an individual cell can make after receiving a cue from its environment, and surprisingly, it's only two.  |
| 'Dark matter' of the genome revealed through analysis of 29 mammals Posted: 12 Oct 2011 10:26 AM PDT An international team of researchers has discovered the vast majority of the so-called "dark matter" in the human genome, by means of a sweeping comparison of 29 mammalian genomes. The team has pinpointed the parts of the human genome that control when and where genes are turned on. This map is a critical step in interpreting the thousands of genetic changes that have been linked to human disease.  |
| Posted: 12 Oct 2011 10:26 AM PDT An international team has sequenced the entire genome of the Black Death, one of the most devastating epidemics in human history.  |
| Understanding the constraints of evolution provides roadmap to mammalian biology Posted: 12 Oct 2011 10:26 AM PDT Researchers produced a high-resolution genomic map of more than 3.5 million constrained elements that account for approximately four percent of the human genome. The researchers identified 3,788 candidate new exons with more than half of those existing outside of known protein-coding genes. They found possible functions for about 60 percent of the chemicals that make up DNA but the functional class of the remaining 40 percent remains unknown.  |
| Significant breakthrough in study of chlamydia Posted: 12 Oct 2011 10:14 AM PDT A breakthrough in the study of chlamydia genetics could open the way to new treatments and the development of a vaccine for this sexually transmitted disease. For decades research progress has been hampered because scientists have been prevented from fully understanding these bacteria as they have been unable to manipulate the genome of Chlamydia trachomatis.  |
| Scientists move closer to predicting who will and will not fight off severe infections Posted: 12 Oct 2011 08:35 AM PDT Why are some people prone to severe infections, while others handle them with less difficulty? A new research report attempts to answer this question by shedding light on the genetic differences that influence our ability to fight off bacterial infections.  |
| Scientists demonstrate the power of optical forces in blood cell identification Posted: 12 Oct 2011 08:33 AM PDT Biological analysis systems that rely on labels can be costly, labor intensive, and depend upon prior knowledge of the target in question. Researchers have developed a system that can detect optical pressure differences between populations or classes of cells.  |
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