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Photochemical Processes of Cell DNA Damage by UV Radiation of Various Wavelengths: Biological Consequences
AbstractPhotochemical reactions in cell DNA are induced in various organisms by solar UV radiation and may lead to a series of biological responses...
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A recombinant fungal photolyase autonomously enters human cell nuclei to fix UV-induced DNA lesions
Solar ultraviolet radiations induced DNA damages in human skin cells with cyclobutane pyrimidine dimers (CPD) and (6–4) photoproducts (6–4PPs) as the...
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A new approach to the induction and recovery of Synechococcus leopoliensis CPD-photolyase for cosmetic applications
Ultraviolet (UV) radiation generates cyclobutane pyrimidine dimer (CPD) photoproducts in the DNA of skin cells, causing photoaging and non-melanoma...
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A (6-4)-photolyase from the Antarctic bacterium Sphingomonas sp. UV9: recombinant production and in silico features
Photolyases are proteins that enzymatically repair the UV-induced DNA damage by a protein–DNA electron transfer mechanism. They repair either...
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Impact of double-strand breaks induced by uv radiation on neuroinflammation and neurodegenerative disorders
Exposure to UV affects the development and growth of a wide range of organisms. Nowadays, researchers are focusing on the impact of UV radiation and...
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Impacts of UV radiation on Bacillus biocontrol agents and their resistance mechanisms
Bacillus biocontrol agent(s) BCA(s) such as Bacillus cereus, Bacillus thuringiensis and Bacillus subtilis have been widely applied to control...
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Role of reactive oxygen species in ultraviolet-induced photodamage of the skin
Reactive oxygen species (ROS), such as superoxides (O 2 •−) and hydroxyl groups (OH·), are short-lived molecules containing unpaired electrons....
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Detection of Cell-to-Cell Transport with Chlorophyll Microfluorometry: Selectivity of Metabolite Passage and Sensitivity to Sodium and Potassium Ions
AbstractPulse-amplitude-modulated chlorophyll microfluorometry was used to quantify the permeation of photometabolites across the plasmodesmata in...
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Induction Changes of Chlorophyll Fluorescence in Chara Cells Related to Metabolite Exchange between Chloroplasts and Cytoplasmic Flow
Abstract —Induction changes in chlorophyll fluorescence are associated with photosynthetic electron transfer, generation of the transmembrane proton...
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Structural organization, evolution, and distribution of viral pyrimidine dimer-DNA glycosylases
DNA glycosylases are DNA repair enzymes capable of removing damaged nitrogenous bases, including those formed as a result of UV irradiation with...
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A natural occurring bifunctional CPD/(6-4)-photolyase from the Antarctic bacterium Sphingomonas sp. UV9
AbstractPhotolyases are flavoproteins that repair ultraviolet-induced DNA lesions (cyclobutane pyrimidine dimer or CPD, and pyrimidine (6-4)...
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An enzymatic tandem reaction to produce odor-active fatty aldehydes
AbstractAldehydes represent a versatile and favored class of flavoring substances. A biocatalytic access to odor-active aldehydes was developed by...
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Response of Foodborne Pathogens to Ultraviolet Light
Ultraviolet (UV) light is a widely used non-thermal technology. Thereinto, UV-C is considered to be the most effective type for the inactivation of...
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Genome Stability of Bacillus velezensis after Two-Year Exposure in Open Space
Abstract —Spore-forming bacteria have a unique resistance to negative environmental conditions, including aggressive space factors, and are an...
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FTIR and Raman Spectroscopy of Rhodopsins
Vibrational spectroscopy such as FTIR and Raman spectroscopy is a powerful, sensitive, and informative method for studying protein structural changes...
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Possible repair of UV-damaged Spodoptera littoralis nucleopolyhedrovirus DNA via generation of mutant carrying photolyase gene with DNA repair activity
BackgroundBaculoviruses can be inactivated by ultraviolet (UV) light, which limits their application as an efficient biopesticide. In an attempt to...
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Sargassum-Derived Agents for Potential Cosmetic Applications
Significant advances in the cosmeceutical sector have been achieved by brown macroalgae named Sargassum, it is a species inhabited in the...
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Similarities and Differences in Photochemistry of Type I and Type II Rhodopsins
AbstractThe diversity of the retinal-containing proteins (rhodopsins) in nature is extremely large. Fundamental similarity of the structure and...
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Photochemistry and Signaling Activity of Plant Cryptochromes: A Review
Abstract —Cryptochromes constitute an extensive class of blue-light sensory receptors that regulate the processes of development and circadian rhythm...
