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Magnetic tweezers that can manipulate strands of DNA

An array of magnetic traps designed for manipulating individual biomolecules and measuring the ultrasmall forces that affect their behavior has been demonstrated by scientists at the National Institute of Standards and Technology (NIST).

9 Apr 2004

Completion of the sequencing of human chromosome 19

The United States Department of Energy (DOE) Joint Genome Institute (JGI) and Stanford University report today the completion of the sequencing of human chromosome 19, the most gene-rich of all the human chromosomes. This achievement is described in the April 1, 2004 edition of the journal Nature.

7 Apr 2004

How rat's genetic blueprint stacks up against those of mice and humans

An international research team, supported by the National Institutes of Health (NIH), today announced it has completed a high-quality, draft sequence of the genome of the laboratory rat, and has used that data to explore how the rat's genetic blueprint stacks up against those of mice and humans.

31 Mar 2004

Comparative genomics to cast new light on other spirochete microbes

Three centuries after a pioneering Dutch microbiologist first observed the spiral-shaped oral pathogen Treponema denticola, scientists have deciphered the bacterium’s entire DNA sequence and used comparative genomics to cast new light on other spirochete microbes.

29 Mar 2004

Scientists identify genetic changes during infection by tuberculosis

Researchers at the Center for Biomedical Inventions at UT Southwestern Medical Center at Dallas have identified the genetic changes that Mycobacterium tuberculosis, the bacterium that causes tuberculosis, undergoes during infection of a living host.

22 Mar 2004