ScienceDaily: Biotechnology News |
- Hotspots for biogenesis of small RNA molecules in plant cells discovered
- Protein researchers unravel the molecular dance of DNA repair
- Gold nanoantennas detect proteins
| Hotspots for biogenesis of small RNA molecules in plant cells discovered Posted: 15 Mar 2012 10:59 AM PDT Throughout their life, plants form leaves and side roots. These two types of organs have something in common: their development is finely tuned by small regulatory RNA molecules, the trans-acting short interfering RNAs (ta-siRNAs). Scientists were now able to demonstrate how and where within the plant cell these ta-siRNAs are produced. They succeeded in identifying hotspots for the biogenesis of these special RNA molecules.  |
| Protein researchers unravel the molecular dance of DNA repair Posted: 15 Mar 2012 09:30 AM PDT Using state-of-the-art technology, scientists have successfully obtained "molecular snapshots" of tens of thousands processes involved in DNA damage repair. The results will help unravel exactly how cells repair their broken DNA, how chemotherapy affects cells' workings and will assist in the discovery of new drugs with fewer side effects.  |
| Gold nanoantennas detect proteins Posted: 14 Mar 2012 08:17 AM PDT Scientists have developed a new method of observing individual proteins. Detailed knowledge of the dynamics of proteins is necessary in order to understand the related biological processes that occur on the molecular level. To date, this information has been obtained by means of labeling proteins with fluorescent substances, but unfortunately this changes the proteins under investigation and thus influences the biological processes that are to be observed.  |
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