Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun biochemistry An enzyme that repairs DNA that has been damaged by light.

Etymologies

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Examples

  • Dongping Zhong and his colleagues from Ohio State University describe how they were able to observe the enzyme, called photolyase, inject a single electron and proton into an injured strand of DNA.

    Gaea Times (by Simple Thoughts) Breaking News and incisive views 24/7 2010

  • Dongping Zhong and his colleagues from Ohio State University describe how they were able to observe the enzyme, called photolyase, inject a single electron and proton into an injured strand of DNA.

    Daily News & Analysis 2010

  • Dongping Zhong and his colleagues from Ohio State University describe how they were able to observe the enzyme, called photolyase, inject a single electron and proton into an injured strand of DNA.

    Medindia Health News 2010

  • The marsupials have an enzyme not found in humans called photolyase and researchers Linda Feketeova and Uta Wille say understanding how the enzyme repairs damaged DNA could one day lead to a '' dream cream '' that could be applied as a preventive measure after sun exposure.

    unknown title 2009

  • But adding an extra molecule to an enzyme such as photolyase could change how it moves.

    THE MEDICAL NEWS 2010

  • But adding an extra molecule to an enzyme such as photolyase could change how it moves.

    PhysOrg.com - latest science and technology news stories 2010

  • Now that researchers know the mechanism by which photolyase works, they might use that information to design drugs or lotions that heal sun damage, Zhong said.

    Medindia Health News 2010

  • The study has revealed that photolyase breaks up those errant bonds in just the right spots to cause the atoms in the DNA to move back into their original positions.

    Medindia Health News 2010

  • Zhong and colleagues synthesized DNA in the lab and exposed it to ultraviolet light, producing damage similar to that of sunburn, then added photolyase enzymes.

    Medindia Health News 2010

  • The bonds are then arranged in such a way that the electron and proton are automatically ejected out of the DNA helix and back into the photolyase, presumably so it could start the cycle over again and go on to heal other sites.

    Medindia Health News 2010

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