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The saltiness of the sea breaks DNA in marine invertebrates: possible implications for animal evolution

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dc.contributor.author Dmitrieva, Natalia I. en
dc.contributor.author Ferraris, Joan D. en
dc.contributor.author Norenburg, Jon L. en
dc.contributor.author Burg, Maurice B. en
dc.date.accessioned 2011-03-30T13:26:32Z
dc.date.available 2011-03-30T13:26:32Z
dc.date.issued 2006
dc.identifier.citation Dmitrieva, Natalia I., Ferraris, Joan D., Norenburg, Jon L., and Burg, Maurice B. 2006. "<a href="https://repository.si.edu/handle/10088/14816">The saltiness of the sea breaks DNA in marine invertebrates: possible implications for animal evolution</a>." <em>Cell Cycle</em>. 5 (12):1320&ndash;1323. <a href="https://doi.org/10.4161/cc.5.12.2867">https://doi.org/10.4161/cc.5.12.2867</a> en
dc.identifier.issn 1551-4005
dc.identifier.uri http://hdl.handle.net/10088/14816
dc.description.abstract More than 97 percent of the world&#39;s water is ocean and its average osmolality of 1000 mosmol/kg is much higher than the 300 mosmol/kg found in most of the intercellular fluids of vertebrates. Many marine invertebrates are osmoconformers, meaning that the osmolality of their extracellular fluid is the same as that of seawater. We report here that marine invertebrates from diverse phyla have numerous DNA breaks in their cells while they are exposed to normal seawater containing high NaCl, but that the DNA breaks decrease or disappear when the animals are acclimated to the same water diluted to 300 mosmol/kg. We speculate that, since DNA breaks cause mutations, salinity might have important background effects on the rate and course of evolution. en
dc.relation.ispartof Cell Cycle en
dc.title The saltiness of the sea breaks DNA in marine invertebrates: possible implications for animal evolution en
dc.type Journal Article en
dc.identifier.srbnumber 98195
dc.identifier.doi 10.4161/cc.5.12.2867
rft.jtitle Cell Cycle
rft.volume 5
rft.issue 12
rft.spage 1320
rft.epage 1323
dc.description.SIUnit NMNH en
dc.description.SIUnit NH-Invertebrate Zoology en
dc.citation.spage 1320
dc.citation.epage 1323


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