NDLI: Utilization of Salmon Milt DNA Against UV Damage

Content Provider	Springer Nature Link
Author	Sasaki, Yoshiharu Miyoshi, Daisuke Sugimoto, Naoki
Copyright Year	2009
Abstract	We examined the effect of ultraviolet (UV) irradiation on the UV spectra and radical scavenging activity of DNA strands and found that the absorption spectra of salmon milt DNA was extended up to about 350 nm after ultraviolet C (UVC, 100–280 nm) irradiation with 300 kJ/m$^{2}$. The UV B (UVB, 280–315 nm) protection ability of UVC-irradiated salmon milt DNA for a single-stranded target DNA (19-mer) was further studied. The percentage of damaged target DNA after 50 kJ/m$^{2}$ of UVB irradiation in the presence of UVC-irradiated salmon milt DNA, UVC-unirradiated salmon milt DNA, and 2-phenylbenzimidazole sulfonic acid was estimated to be 24.6%, 27.0%, and 18.9%, respectively. Moreover, the ultraviolet A (UVA, 315–400 nm)/UVB ratio and critical wavelength of natural (UVC-unirradiated) salmon milt DNA were estimated to be 0.13 and 313 nm, respectively, whereas those of the UVC-irradiated salmon milt DNA were 0.34 and 375 nm, respectively. Interestingly, the value of 1,1-diphenyl-2-picrylhydrazyl radical scavenging activity in UVC-irradiated salmon milt DNA was about five times higher than that of UVC-unirradiated salmon milt DNA. These results indicate that the UVC-irradiated salmon milt DNA could be useful as a protector against a wide range of UV light from UVC∼UVA.
Starting Page	2458
Ending Page	2466
Page Count	9
File Format	PDF
ISSN	02732289
Journal	Applied Biochemistry and Biotechnology
Volume Number	160
Issue Number	8
e-ISSN	15590291
Language	English
Publisher	Humana Press Inc
Publisher Date	2009-07-10
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ultraviolet C-irradiated salmon milt DNA Ultraviolet C-unirradiated salmon milt DNA Ultraviolet absorption Ultraviolet B protection ability 1,1-diphenyl-2-picrylhydrazyl radical scavenging activity Biochemistry Biotechnology
Content Type	Text
Resource Type	Article
Subject	Medicine Molecular Biology Environmental Engineering Biochemistry Bioengineering Applied Microbiology and Biotechnology Biotechnology

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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