Survival of environmental DNA in natural environments: Surface charge and topography of minerals as driver for DNA storage
作者： Freeman , Dieudonné , Collins , Sand
DOI: 10.1101/2020.01.28.922997
关键词: Biodiversity 、 Sediment 、 Dna storage 、 Environmental science 、 Earth science 、 Environmental DNA 、 Natural (archaeology) 、 Atomic force microscopy 、 Ecosystem 、 Surface charge
摘要: Extraction of environmental DNA from sediments are providing ground-breaking views the past ecosystems and biodiversity. Despite this rich source information, we do not yet know much about which favour preservation why. Here used atomic force microscopy molecular dynamics simulations to explore DNA-mineral binding in order access role mineralogy for DNA. We demonstrate that mineral composition, surface topography charge influence damage patterns can be affected by mineralogy, especially if there is a strong driving adsorption. The study shows knowledge mineralogical composition sediment conditions useful both assessing potential deposit as well interpreting extracted patterns. dependence on raises question whether retrieve merely function minerals their chemical history rather than
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