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1 September 2003 UV Damage and Photoreactivation: Timing and Age are Everything
Gabriella Grad, Bethany J. Burnett, Craig E. Williamson
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Abstract

Aquatic organisms, ranging from bacteria to fish, living in clear lakes are presently receiving damaging levels of UV radiation. Photoreactivation is a light-dependent mechanism by which some organisms deal with DNA damage caused by UV radiation. Yet, photoreactivation is a mechanism that confounds long-term predictive modeling of UV effects on the survival of these organisms. Here we show that a short-lived rotifer species, Asplanchna girodi, previously thought to have little to no photoreactivation, does indeed have a significant amount of it. The ability to undergo photoreactivation in A. girodi is dependent on age and becomes apparent only after several days of observation after UV exposure.

Gabriella Grad, Bethany J. Burnett, and Craig E. Williamson "UV Damage and Photoreactivation: Timing and Age are Everything," Photochemistry and Photobiology 78(3), 225-227, (1 September 2003). https://doi.org/10.1562/0031-8655(2003)078<0225:UDAPTA>2.0.CO;2
Received: 20 December 2002; Accepted: 1 June 2003; Published: 1 September 2003
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