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Fluorescent Tags Help Scientists Solve Mystery Of Human DNA Replication
2013-04-02 05:24:54

redOrbit Staff & Wire Reports - Your Universe Online Scientists at Penn State University have discovered how a vital step in the human DNA replication process — the loading of molecular structures known as sliding clamps onto DNA molecules — is performed. The researchers say their work, the results of which were published in Tuesday´s edition of the journal eLife, will help uncover some of the mystery surrounding this crucial part of the chemical replication...

2009-12-03 14:00:00

Research could lead to an understanding of how accurate DNA replication occurs to prevent mutations known to result in cancer and genetic diseases DETROIT, Dec. 3 /PRNewswire-USNewswire/ -- Wayne State researchers have for the first time observed the movement of a single molecule of DNA polymerase as it incorporates nucleotides one by one. More significantly, they have identified a previously unknown step that they speculate is part of the proofreading process known to prevent the...

2009-10-27 14:13:26

Scientists here have identified how the motions of an enzyme are related to correctly copying genetic instructions, setting the stage for studies that can uncover what happens when DNA copying mistakes are made. Perpetuation of DNA mistakes can cause mutations that lead to cancer and other diseases. But before scientists can determine how and when errors are made during DNA replication, they must first fully understand what's going on when the copying process works properly "“ a...


Word of the Day
call-note
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'
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