| pubmed-article:10618224 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:10618224 | lifeskim:mentions | umls-concept:C0038027 | lld:lifeskim |
| pubmed-article:10618224 | lifeskim:mentions | umls-concept:C0443307 | lld:lifeskim |
| pubmed-article:10618224 | lifeskim:mentions | umls-concept:C0004595 | lld:lifeskim |
| pubmed-article:10618224 | lifeskim:mentions | umls-concept:C0012854 | lld:lifeskim |
| pubmed-article:10618224 | lifeskim:mentions | umls-concept:C0034286 | lld:lifeskim |
| pubmed-article:10618224 | lifeskim:mentions | umls-concept:C0041625 | lld:lifeskim |
| pubmed-article:10618224 | lifeskim:mentions | umls-concept:C1704973 | lld:lifeskim |
| pubmed-article:10618224 | lifeskim:mentions | umls-concept:C0205263 | lld:lifeskim |
| pubmed-article:10618224 | lifeskim:mentions | umls-concept:C2004457 | lld:lifeskim |
| pubmed-article:10618224 | pubmed:issue | 1 | lld:pubmed |
| pubmed-article:10618224 | pubmed:dateCreated | 2000-2-9 | lld:pubmed |
| pubmed-article:10618224 | pubmed:abstractText | The loss of stratospheric ozone and the accompanying increase in solar UV flux have led to concerns regarding decreases in global microbial productivity. Central to understanding this process is determining the types and amounts of DNA damage in microbes caused by solar UV irradiation. While UV irradiation of dormant Bacillus subtilis endospores results mainly in formation of the "spore photoproduct" 5-thyminyl-5,6-dihydrothymine, genetic evidence indicates that an additional DNA photoproduct(s) may be formed in spores exposed to solar UV-B and UV-A radiation (Y. Xue and W. L. Nicholson, Appl. Environ. Microbiol. 62:2221-2227, 1996). We examined the occurrence of double-strand breaks, single-strand breaks, cyclobutane pyrimidine dimers, and apurinic-apyrimidinic sites in spore DNA under several UV irradiation conditions by using enzymatic probes and neutral or alkaline agarose gel electrophoresis. DNA from spores irradiated with artificial 254-nm UV-C radiation accumulated single-strand breaks, double-strand breaks, and cyclobutane pyrimidine dimers, while DNA from spores exposed to artificial UV-B radiation (wavelengths, 290 to 310 nm) accumulated only cyclobutane pyrimidine dimers. DNA from spores exposed to full-spectrum sunlight (UV-B and UV-A radiation) accumulated single-strand breaks, double-strand breaks, and cyclobutane pyrimidine dimers, whereas DNA from spores exposed to sunlight from which the UV-B component had been removed with a filter ("UV-A sunlight") accumulated only single-strand breaks and double-strand breaks. Apurinic-apyrimidinic sites were not detected in spore DNA under any of the irradiation conditions used. Our data indicate that there is a complex spectrum of UV photoproducts in DNA of bacterial spores exposed to solar UV irradiation in the environment. | lld:pubmed |
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| pubmed-article:10618224 | pubmed:language | eng | lld:pubmed |
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| pubmed-article:10618224 | pubmed:citationSubset | IM | lld:pubmed |
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| pubmed-article:10618224 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:10618224 | pubmed:month | Jan | lld:pubmed |
| pubmed-article:10618224 | pubmed:issn | 0099-2240 | lld:pubmed |
| pubmed-article:10618224 | pubmed:author | pubmed-author:NicholsonW... | lld:pubmed |
| pubmed-article:10618224 | pubmed:author | pubmed-author:SliemanT ATA | lld:pubmed |
| pubmed-article:10618224 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:10618224 | pubmed:volume | 66 | lld:pubmed |
| pubmed-article:10618224 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:10618224 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:10618224 | pubmed:pagination | 199-205 | lld:pubmed |
| pubmed-article:10618224 | pubmed:dateRevised | 2009-11-18 | lld:pubmed |
| pubmed-article:10618224 | pubmed:meshHeading | pubmed-meshheading:10618224... | lld:pubmed |
| pubmed-article:10618224 | pubmed:meshHeading | pubmed-meshheading:10618224... | lld:pubmed |
| pubmed-article:10618224 | pubmed:meshHeading | pubmed-meshheading:10618224... | lld:pubmed |
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| pubmed-article:10618224 | pubmed:meshHeading | pubmed-meshheading:10618224... | lld:pubmed |
| pubmed-article:10618224 | pubmed:meshHeading | pubmed-meshheading:10618224... | lld:pubmed |
| pubmed-article:10618224 | pubmed:meshHeading | pubmed-meshheading:10618224... | lld:pubmed |
| pubmed-article:10618224 | pubmed:year | 2000 | lld:pubmed |
| pubmed-article:10618224 | pubmed:articleTitle | Artificial and solar UV radiation induces strand breaks and cyclobutane pyrimidine dimers in Bacillus subtilis spore DNA. | lld:pubmed |
| pubmed-article:10618224 | pubmed:affiliation | Department of Veterinary Science and Microbiology, University of Arizona, Tucson, Arizona 85721, USA. | lld:pubmed |
| pubmed-article:10618224 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:10618224 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |
| pubmed-article:10618224 | pubmed:publicationType | Research Support, U.S. Gov't, Non-P.H.S. | lld:pubmed |
| pubmed-article:10618224 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
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