ScienceDaily: Top Environment News |
- Scientists discover tool that uncrosses chromosomes
- Study resolves debate on human cell shut-down process
- Chromosomes organize into 'yarns': May explain why DNA mutations can affect genes located thousands of base pairs away
| Scientists discover tool that uncrosses chromosomes Posted: 12 Apr 2012 09:13 AM PDT Researchers have discovered a key tool that helps sperm and eggs develop exactly 23 chromosomes each. The work, which could lead to insights into fertility, spontaneous miscarriages, cancer and developmental disorders.  |
| Study resolves debate on human cell shut-down process Posted: 12 Apr 2012 07:57 AM PDT Researchers have resolved the debate over the mechanisms involved in the shut-down process during cell division in the body.  |
| Posted: 11 Apr 2012 11:43 AM PDT A new layer in the complex organization of chromosomes has been discovered. Scientists have now shown that chromosomes fold in a series of contiguous "yarns" that harbor groups of genes and regulatory elements, bringing them in contact with each other and allowing them to work in a coordinated manner during development.  |
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