deoxyribodipyrimidine photolyase

(redirected from Photolyase)
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de·ox·y·ri·bo·di·py·rim·i·dine pho·to·ly·ase

(dē-oks'ē-rī'bō-dī-pī-rim'i-dēn fō'tō-lī'ās),
An enzyme in yeast that is activated by light, whereupon it can reverse a previous photochemical reaction by cleaving the cyclobutane ring of the thymine dimer.
References in periodicals archive ?
As a UT Dallas student, Rupert said, Sancar successfully purified and described a bacterial enzyme called photolyase, which is critical to this type of DNA repair.
The formulation is driven by ingredients such as arazine, a patented antioxidant that protects against the harmful effects of free radicals resulting in skin inflammation; L-carnosine, a dipeptide antioxidant that protects protein from glycation and carbonylation; L-ergothioneine, a amino acid antioxidant that scavenges free radicals and offers critical protection to proteins and DNA; photolyase, a light activated enzyme that helps protect against free radical damage; endonuclease, an enzyme helps protect against free radical damage; and 8-oxoguanine glycosylase, an enzyme that helps protect against guanine oxidation.
An earlier clinical study on Photolyase, a key component of Celfix DNA[TM] Youth Recovery[TM] Facial Serum by renowned Italian dermatologist, Dr.
The whole cryptochromes family has an N-terminal photolyase homolyase region (PHR) domain.
In the new study, lead researcher Dongping Zhong and his colleagues used ultra-fast pulses of laser light to spy on a photolyase while it was healing a strand of DNA.
Increases in recombination were accompanied by strong induction of photolyase and Rad51 gene expression.
The bacterium Escherichia coli harbors an enzyme called DNA photolyase, which reverses the photoreaction between two thymines.
Light and dark in chromatin repair: repair of UV-induced DNA lesions by photolyase and nucleotide excision repair.
Photolyase is a structure specific DNA binding protein whose specificity is determined by the backbone structure of DNA at the binding site.
Scientists in Dusseldorf, Germany, are testing a new lotion containing an enzyme called photolyase on patients exposed to UVB (the sun's short-wave radiation).
Photolyase repair is specific, rapid, efficient, and - like excision repair - relatively error-free.
This product is comprised of a radical scavenger, caffeine, a complex with amino acid salts consisting of sorbitol, arginine-HCl, or-nithine-HCl, tyrosine and Si02, an enzyme photolyase enclosed in liposomes and UV endonuclease, and an extract from corallina officinalis with propylene glycol.